repos/blastem: blastem.c annotate

annotate blastem.c @ 412:00d5a2b532f4

Fix movem with pc displacement or pc indexed source

author	Mike Pavone <pavone@retrodev.com>
date	Wed, 19 Jun 2013 00:40:13 -0700
parents	c3abc4ada43d
children	dbf4e1c86f3c

rev	line source
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1 #include "68kinst.h"
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	2 #include "m68k_to_x86.h"
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	3 #include "z80_to_x86.h"
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	4 #include "mem.h"
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	5 #include "vdp.h"
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	6 #include "render.h"
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	7 #include "blastem.h"
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	8 #include <stdio.h>
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	9 #include <stdlib.h>
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	10 #include <string.h>
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	11
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	12 #define CARTRIDGE_WORDS 0x200000
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	13 #define RAM_WORDS 32 * 1024
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	14 #define Z80_RAM_BYTES 8 * 1024
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	15
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	16 #define MCLKS_NTSC 53693175
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	17 #define MCLKS_PAL 53203395
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	18
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	19 #define MCLKS_PER_68K 7
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	20 #define MCLKS_PER_YM MCLKS_PER_68K
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	21 #define MCLKS_PER_Z80 15
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	22 #define MCLKS_PER_PSG (MCLKS_PER_Z80*16)
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	23
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	24 //TODO: Figure out the exact value for this
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	25 #define CYCLE_NEVER 0xFFFFFFFF
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	26 #define LINES_NTSC 262
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	27 #define LINES_PAL 312
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	28
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	29 uint32_t mclks_per_frame = MCLKS_LINE*LINES_NTSC;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	30
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	31 uint16_t cart[CARTRIDGE_WORDS];
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	32 uint16_t ram[RAM_WORDS];
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	33 uint8_t z80_ram[Z80_RAM_BYTES];
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	34
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	35 io_port gamepad_1;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	36 io_port gamepad_2;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	37
215 2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	38 int headless = 0;
265 c6d12878ea93 Add -n flag for disabling the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	39 int z80_enabled = 1;
356 79e4b466e7d0 Get rid of debug puts and limit based on audio rather than frame rate by default. Mike Pavone <pavone@retrodev.com> parents: 354 diff changeset	40 int frame_limit = 0;
215 2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	41
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	42 #ifndef MIN
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	43 #define MIN(a,b) ((a) < (b) ? (a) : (b))
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	44 #endif
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	45
166 97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	46 #define SMD_HEADER_SIZE 512
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	47 #define SMD_MAGIC1 0x03
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	48 #define SMD_MAGIC2 0xAA
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	49 #define SMD_MAGIC3 0xBB
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	50 #define SMD_BLOCK_SIZE 0x4000
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	51
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	52 int load_smd_rom(long filesize, FILE * f)
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	53 {
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	54 uint8_t block[SMD_BLOCK_SIZE];
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	55 filesize -= SMD_HEADER_SIZE;
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	56 fseek(f, SMD_HEADER_SIZE, SEEK_SET);
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	57
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	58 uint16_t * dst = cart;
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	59 while (filesize > 0) {
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	60 fread(block, 1, SMD_BLOCK_SIZE, f);
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	61 for (uint8_t low = block, high = (block+SMD_BLOCK_SIZE/2), *end = block+SMD_BLOCK_SIZE; high < end; high++, low++) {
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	62 (dst++) = high << 8 \| *low;
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	63 }
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	64 filesize -= SMD_BLOCK_SIZE;
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	65 }
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	66 return 1;
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	67 }
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	68
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	69 int load_rom(char * filename)
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	70 {
166 97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	71 uint8_t header[10];
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	72 FILE * f = fopen(filename, "rb");
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	73 if (!f) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	74 return 0;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	75 }
166 97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	76 fread(header, 1, sizeof(header), f);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	77 fseek(f, 0, SEEK_END);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	78 long filesize = ftell(f);
158 a2ab895d9708 Fix predec address mode when used as source Mike Pavone <pavone@retrodev.com> parents: 153 diff changeset	79 if (filesize/2 > CARTRIDGE_WORDS) {
a2ab895d9708 Fix predec address mode when used as source Mike Pavone <pavone@retrodev.com> parents: 153 diff changeset	80 //carts bigger than 4MB not currently supported
a2ab895d9708 Fix predec address mode when used as source Mike Pavone <pavone@retrodev.com> parents: 153 diff changeset	81 filesize = CARTRIDGE_WORDS*2;
a2ab895d9708 Fix predec address mode when used as source Mike Pavone <pavone@retrodev.com> parents: 153 diff changeset	82 }
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	83 fseek(f, 0, SEEK_SET);
166 97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	84 if (header[1] == SMD_MAGIC1 && header[8] == SMD_MAGIC2 && header[9] == SMD_MAGIC3) {
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	85 int i;
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	86 for (i = 3; i < 8; i++) {
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	87 if (header[i] != 0) {
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	88 break;
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	89 }
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	90 }
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	91 if (i == 8) {
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	92 if (header[2]) {
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	93 fprintf(stderr, "%s is a split SMD ROM which is not currently supported", filename);
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	94 exit(1);
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	95 }
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	96 return load_smd_rom(filesize, f);
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	97 }
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	98 }
97aa449706c2 Added SMD ROM support Mike Pavone <pavone@retrodev.com> parents: 158 diff changeset	99 fread(cart, 2, filesize/2, f);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	100 fclose(f);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	101 for(unsigned short * cur = cart; cur - cart < (filesize/2); ++cur)
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	102 {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	103 cur = (cur >> 8) \| (*cur << 8);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	104 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	105 //TODO: Mirror ROM
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	106 return 1;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	107 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	108
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	109 uint16_t read_dma_value(uint32_t address)
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	110 {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	111 //addresses here are word addresses (i.e. bit 0 corresponds to A1), so no need to do div by 2
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	112 if (address < 0x200000) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	113 return cart[address];
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	114 } else if(address >= 0x700000) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	115 return ram[address & 0x7FFF];
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	116 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	117 //TODO: Figure out what happens when you try to DMA from weird adresses like IO or banked Z80 area
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	118 return 0;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	119 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	120
317 e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	121 //TODO: Make these dependent on the video mode
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	122 //#define VINT_CYCLE ((MCLKS_LINE * 225 + (148 + 40) * 4)/MCLKS_PER_68K)
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	123 #define ZVINT_CYCLE ((MCLKS_LINE * 225 + (148 + 40) * 4)/MCLKS_PER_Z80)
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	124 //#define VINT_CYCLE ((MCLKS_LINE * 226)/MCLKS_PER_68K)
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	125 //#define ZVINT_CYCLE ((MCLKS_LINE * 226)/MCLKS_PER_Z80)
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	126
186 02e25abe2dcd Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write Mike Pavone <pavone@retrodev.com> parents: 185 diff changeset	127 void adjust_int_cycle(m68k_context * context, vdp_context * v_context)
02e25abe2dcd Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write Mike Pavone <pavone@retrodev.com> parents: 185 diff changeset	128 {
317 e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	129 context->int_cycle = CYCLE_NEVER;
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	130 if ((context->status & 0x7) < 6) {
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	131 uint32_t next_vint = vdp_next_vint(v_context);
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	132 if (next_vint != CYCLE_NEVER) {
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	133 next_vint /= MCLKS_PER_68K;
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	134 context->int_cycle = next_vint;
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	135 context->int_num = 6;
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	136 }
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	137 if ((context->status & 0x7) < 4) {
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	138 uint32_t next_hint = vdp_next_hint(v_context);
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	139 if (next_hint != CYCLE_NEVER) {
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	140 next_hint /= MCLKS_PER_68K;
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	141 if (next_hint < context->int_cycle) {
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	142 context->int_cycle = next_hint;
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	143 context->int_num = 4;
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	144
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	145 }
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	146 }
186 02e25abe2dcd Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write Mike Pavone <pavone@retrodev.com> parents: 185 diff changeset	147 }
02e25abe2dcd Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write Mike Pavone <pavone@retrodev.com> parents: 185 diff changeset	148 }
317 e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	149
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	150 context->target_cycle = context->int_cycle < context->sync_cycle ? context->int_cycle : context->sync_cycle;
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	151 /*printf("Cyc: %d, Trgt: %d, Int Cyc: %d, Int: %d, Mask: %X, V: %d, H: %d, HICount: %d, HReg: %d, Line: %d\n",
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	152 context->current_cycle, context->target_cycle, context->int_cycle, context->int_num, (context->status & 0x7),
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	153 v_context->regs[REG_MODE_2] & 0x20, v_context->regs[REG_MODE_1] & 0x10, v_context->hint_counter, v_context->regs[REG_HINT], v_context->cycles / MCLKS_LINE);*/
186 02e25abe2dcd Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write Mike Pavone <pavone@retrodev.com> parents: 185 diff changeset	154 }
02e25abe2dcd Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write Mike Pavone <pavone@retrodev.com> parents: 185 diff changeset	155
198 209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	156 int break_on_sync = 0;
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	157
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	158 uint8_t reset = 1;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	159 uint8_t need_reset = 0;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	160 uint8_t busreq = 0;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	161 uint8_t busack = 0;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	162 uint32_t busack_cycle = CYCLE_NEVER;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	163 uint8_t new_busack = 0;
280 9ee64039ddeb Fix bank register update Mike Pavone <pavone@retrodev.com> parents: 279 diff changeset	164 //#define DO_DEBUG_PRINT
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	165 #ifdef DO_DEBUG_PRINT
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	166 #define dprintf printf
271 969ee17471c5 Protect debug prints for busreq/reset regs with appropriate macros Mike Pavone <pavone@retrodev.com> parents: 268 diff changeset	167 #define dputs puts
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	168 #else
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	169 #define dprintf
271 969ee17471c5 Protect debug prints for busreq/reset regs with appropriate macros Mike Pavone <pavone@retrodev.com> parents: 268 diff changeset	170 #define dputs
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	171 #endif
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	172
402 de2c085ce174 Assert z80 interrupt longer so that they are not missed when they should not be Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	173 #define Z80_VINT_DURATION 128
de2c085ce174 Assert z80 interrupt longer so that they are not missed when they should not be Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	174
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	175 void sync_z80(z80_context * z_context, uint32_t mclks)
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	176 {
265 c6d12878ea93 Add -n flag for disabling the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	177 if (z80_enabled && !reset && !busreq) {
333 f16136a3835d Update Z80 vint timing Mike Pavone <pavone@retrodev.com> parents: 327 diff changeset	178 genesis_context * gen = z_context->system;
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	179 if (need_reset) {
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	180 z80_reset(z_context);
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	181 need_reset = 0;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	182 }
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	183 z_context->sync_cycle = mclks / MCLKS_PER_Z80;
333 f16136a3835d Update Z80 vint timing Mike Pavone <pavone@retrodev.com> parents: 327 diff changeset	184 uint32_t vint_cycle = vdp_next_vint_z80(gen->vdp) / MCLKS_PER_Z80;
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	185 while (z_context->current_cycle < z_context->sync_cycle) {
402 de2c085ce174 Assert z80 interrupt longer so that they are not missed when they should not be Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	186 if (z_context->iff1 && z_context->current_cycle < (vint_cycle + Z80_VINT_DURATION)) {
335 14a937097c2b Some Z80 interrupt fixes Mike Pavone <pavone@retrodev.com> parents: 333 diff changeset	187 z_context->int_cycle = vint_cycle < z_context->int_enable_cycle ? z_context->int_enable_cycle : vint_cycle;
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	188 }
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	189 z_context->target_cycle = z_context->sync_cycle < z_context->int_cycle ? z_context->sync_cycle : z_context->int_cycle;
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	190 dprintf("Running Z80 from cycle %d to cycle %d. Native PC: %p\n", z_context->current_cycle, z_context->sync_cycle, z_context->native_pc);
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	191 z80_run(z_context);
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	192 dprintf("Z80 ran to cycle %d\n", z_context->current_cycle);
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	193 }
289 1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	194 } else {
1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	195 z_context->current_cycle = mclks / MCLKS_PER_Z80;
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	196 }
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	197 }
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	198
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	199 void sync_sound(genesis_context * gen, uint32_t target)
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	200 {
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	201 //printf("YM \| Cycle: %d, bpos: %d, PSG \| Cycle: %d, bpos: %d\n", gen->ym->current_cycle, gen->ym->buffer_pos, gen->psg->cycles, gen->psg->buffer_pos * 2);
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	202 psg_run(gen->psg, target);
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	203 ym_run(gen->ym, target);
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	204
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	205 //printf("Target: %d, YM bufferpos: %d, PSG bufferpos: %d\n", target, gen->ym->buffer_pos, gen->psg->buffer_pos * 2);
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	206 }
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	207
321 146c87616b05 Don't update interrupt mask on non-interrupt exceptions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	208 uint32_t frame=0;
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	209 m68k_context * sync_components(m68k_context * context, uint32_t address)
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	210 {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	211 //TODO: Handle sync targets smaller than a single frame
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	212 genesis_context * gen = context->system;
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	213 vdp_context * v_context = gen->vdp;
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	214 z80_context * z_context = gen->z80;
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	215 uint32_t mclks = context->current_cycle * MCLKS_PER_68K;
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 266 diff changeset	216 sync_z80(z_context, mclks);
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	217 if (mclks >= mclks_per_frame) {
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	218 sync_sound(gen, mclks);
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	219 gen->ym->current_cycle -= mclks_per_frame;
1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	220 gen->psg->cycles -= mclks_per_frame;
374 d42a8a3e4894 Fix YM2612 busy flag Mike Pavone <pavone@retrodev.com> parents: 372 diff changeset	221 if (gen->ym->write_cycle != CYCLE_NEVER) {
d42a8a3e4894 Fix YM2612 busy flag Mike Pavone <pavone@retrodev.com> parents: 372 diff changeset	222 gen->ym->write_cycle = gen->ym->write_cycle >= mclks_per_frame/MCLKS_PER_68K ? gen->ym->write_cycle - mclks_per_frame/MCLKS_PER_68K : 0;
d42a8a3e4894 Fix YM2612 busy flag Mike Pavone <pavone@retrodev.com> parents: 372 diff changeset	223 }
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	224 //printf("reached frame end \| 68K Cycles: %d, MCLK Cycles: %d\n", context->current_cycle, mclks);
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	225 vdp_run_context(v_context, mclks_per_frame);
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	226
215 2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	227 if (!headless) {
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 336 diff changeset	228 break_on_sync \|= wait_render_frame(v_context, frame_limit);
215 2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	229 }
321 146c87616b05 Don't update interrupt mask on non-interrupt exceptions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	230 frame++;
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	231 mclks -= mclks_per_frame;
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	232 vdp_adjust_cycles(v_context, mclks_per_frame);
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	233 io_adjust_cycles(&gamepad_1, context->current_cycle, mclks_per_frame/MCLKS_PER_68K);
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	234 io_adjust_cycles(&gamepad_2, context->current_cycle, mclks_per_frame/MCLKS_PER_68K);
344 b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	235 if (busack_cycle != CYCLE_NEVER) {
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	236 if (busack_cycle > mclks_per_frame/MCLKS_PER_68K) {
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	237 busack_cycle -= mclks_per_frame/MCLKS_PER_68K;
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	238 } else {
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	239 busack_cycle = CYCLE_NEVER;
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	240 busack = new_busack;
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	241 }
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	242 }
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	243 context->current_cycle -= mclks_per_frame/MCLKS_PER_68K;
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	244 if (z_context->current_cycle >= mclks_per_frame/MCLKS_PER_Z80) {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	245 z_context->current_cycle -= mclks_per_frame/MCLKS_PER_Z80;
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	246 } else {
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	247 z_context->current_cycle = 0;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	248 }
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	249 if (mclks) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	250 vdp_run_context(v_context, mclks);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	251 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	252 } else {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	253 //printf("running VDP for %d cycles\n", mclks - v_context->cycles);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	254 vdp_run_context(v_context, mclks);
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	255 sync_sound(gen, mclks);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	256 }
317 e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	257 if (context->int_ack) {
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	258 vdp_int_ack(v_context, context->int_ack);
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	259 context->int_ack = 0;
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 290 diff changeset	260 }
186 02e25abe2dcd Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write Mike Pavone <pavone@retrodev.com> parents: 185 diff changeset	261 adjust_int_cycle(context, v_context);
198 209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	262 if (break_on_sync && address) {
209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	263 break_on_sync = 0;
209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	264 debugger(context, address);
209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	265 }
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	266 return context;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	267 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	268
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	269 m68k_context * vdp_port_write(uint32_t vdp_port, m68k_context * context, uint16_t value)
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	270 {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	271 if (vdp_port & 0x2700E0) {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	272 printf("machine freeze due to write to address %X\n", 0xC00000 \| vdp_port);
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	273 exit(1);
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	274 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	275 vdp_port &= 0x1F;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	276 //printf("vdp_port write: %X, value: %X, cycle: %d\n", vdp_port, value, context->current_cycle);
198 209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	277 sync_components(context, 0);
263 2989ed7b8608 Add a second context pointer to m68k_context so that try_fifo_write can still have easy access to the VDP. Handle writes to Z80 code addresses from the 68K. Mike Pavone <pavone@retrodev.com> parents: 260 diff changeset	278 vdp_context * v_context = context->video_context;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	279 if (vdp_port < 0x10) {
149 139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	280 int blocked;
345 29d2ca563499 Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall. Mike Pavone <pavone@retrodev.com> parents: 344 diff changeset	281 uint32_t before_cycle = v_context->cycles;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	282 if (vdp_port < 4) {
149 139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	283 while (vdp_data_port_write(v_context, value) < 0) {
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	284 while(v_context->flags & FLAG_DMA_RUN) {
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	285 vdp_run_dma_done(v_context, mclks_per_frame);
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	286 if (v_context->cycles >= mclks_per_frame) {
215 2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	287 if (!headless) {
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 336 diff changeset	288 wait_render_frame(v_context, frame_limit);
215 2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	289 }
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	290 vdp_adjust_cycles(v_context, mclks_per_frame);
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	291 io_adjust_cycles(&gamepad_1, v_context->cycles/MCLKS_PER_68K, mclks_per_frame/MCLKS_PER_68K);
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	292 io_adjust_cycles(&gamepad_2, v_context->cycles/MCLKS_PER_68K, mclks_per_frame/MCLKS_PER_68K);
344 b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	293 if (busack_cycle != CYCLE_NEVER) {
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	294 if (busack_cycle > mclks_per_frame/MCLKS_PER_68K) {
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	295 busack_cycle -= mclks_per_frame/MCLKS_PER_68K;
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	296 } else {
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	297 busack_cycle = CYCLE_NEVER;
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	298 busack = new_busack;
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	299 }
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	300 }
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	301 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	302 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	303 context->current_cycle = v_context->cycles / MCLKS_PER_68K;
149 139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	304 }
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	305 } else if(vdp_port < 8) {
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	306 blocked = vdp_control_port_write(v_context, value);
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	307 if (blocked) {
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	308 while (blocked) {
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	309 while(v_context->flags & FLAG_DMA_RUN) {
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	310 vdp_run_dma_done(v_context, mclks_per_frame);
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	311 if (v_context->cycles >= mclks_per_frame) {
215 2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	312 if (!headless) {
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 336 diff changeset	313 wait_render_frame(v_context, frame_limit);
215 2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	314 }
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	315 vdp_adjust_cycles(v_context, mclks_per_frame);
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	316 io_adjust_cycles(&gamepad_1, v_context->cycles/MCLKS_PER_68K, mclks_per_frame/MCLKS_PER_68K);
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	317 io_adjust_cycles(&gamepad_2, v_context->cycles/MCLKS_PER_68K, mclks_per_frame/MCLKS_PER_68K);
344 b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	318 if (busack_cycle != CYCLE_NEVER) {
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	319 if (busack_cycle > mclks_per_frame/MCLKS_PER_68K) {
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	320 busack_cycle -= mclks_per_frame/MCLKS_PER_68K;
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	321 } else {
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	322 busack_cycle = CYCLE_NEVER;
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	323 busack = new_busack;
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	324 }
b46771135442 Handle busack across frame boundary Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	325 }
149 139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	326 }
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	327 }
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	328 if (blocked < 0) {
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	329 blocked = vdp_control_port_write(v_context, value);
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	330 } else {
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	331 blocked = 0;
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	332 }
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	333 }
139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 144 diff changeset	334 context->current_cycle = v_context->cycles / MCLKS_PER_68K;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	335 } else {
186 02e25abe2dcd Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write Mike Pavone <pavone@retrodev.com> parents: 185 diff changeset	336 adjust_int_cycle(context, v_context);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	337 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	338 } else {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	339 printf("Illegal write to HV Counter port %X\n", vdp_port);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	340 exit(1);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	341 }
345 29d2ca563499 Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall. Mike Pavone <pavone@retrodev.com> parents: 344 diff changeset	342 if (v_context->cycles != before_cycle) {
29d2ca563499 Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall. Mike Pavone <pavone@retrodev.com> parents: 344 diff changeset	343 context->current_cycle = v_context->cycles / MCLKS_PER_68K;
29d2ca563499 Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall. Mike Pavone <pavone@retrodev.com> parents: 344 diff changeset	344 }
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	345 } else if (vdp_port < 0x18) {
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	346 genesis_context * gen = context->system;
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	347 sync_sound(gen, context->current_cycle * MCLKS_PER_68K);
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	348 psg_write(gen->psg, value);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	349 } else {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	350 //TODO: Implement undocumented test register(s)
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	351 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	352 return context;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	353 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	354
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	355 m68k_context * vdp_port_write_b(uint32_t vdp_port, m68k_context * context, uint8_t value)
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	356 {
357 fa7ea48be9a9 Allow VDP/PSG writes from Z80 Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	357 return vdp_port_write(vdp_port, context, vdp_port < 0x10 ? value \| value << 8 : ((vdp_port & 1) ? value : 0));
fa7ea48be9a9 Allow VDP/PSG writes from Z80 Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	358 }
fa7ea48be9a9 Allow VDP/PSG writes from Z80 Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	359
fa7ea48be9a9 Allow VDP/PSG writes from Z80 Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	360 z80_context * z80_vdp_port_write(uint16_t vdp_port, z80_context * context, uint8_t value)
fa7ea48be9a9 Allow VDP/PSG writes from Z80 Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	361 {
fa7ea48be9a9 Allow VDP/PSG writes from Z80 Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	362 genesis_context * gen = context->system;
358 9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	363 if (vdp_port & 0xE0) {
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	364 printf("machine freeze due to write to Z80 address %X\n", 0x7F00 \| vdp_port);
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	365 exit(1);
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	366 }
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	367 if (vdp_port < 0x10) {
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	368 //These probably won't currently interact well with the 68K accessing the VDP
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	369 vdp_run_context(gen->vdp, context->current_cycle * MCLKS_PER_Z80);
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	370 if (vdp_port < 4) {
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	371 vdp_data_port_write(gen->vdp, value << 8 \| value);
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	372 } else if (vdp_port < 8) {
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	373 vdp_control_port_write(gen->vdp, value << 8 \| value);
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	374 } else {
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	375 printf("Illegal write to HV Counter port %X\n", vdp_port);
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	376 exit(1);
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	377 }
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	378 } else if (vdp_port < 0x18) {
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	379 sync_sound(gen, context->current_cycle * MCLKS_PER_Z80);
358 9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	380 psg_write(gen->psg, value);
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	381 } else {
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	382 //TODO: Implement undocumented test register(s)
9498cfa7f7c8 Make Z80 writes to VDP/PSG not potentially crash the emulator Mike Pavone <pavone@retrodev.com> parents: 357 diff changeset	383 }
357 fa7ea48be9a9 Allow VDP/PSG writes from Z80 Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	384 return context;
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	385 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	386
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	387 uint16_t vdp_port_read(uint32_t vdp_port, m68k_context * context)
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	388 {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	389 if (vdp_port & 0x2700E0) {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	390 printf("machine freeze due to read from address %X\n", 0xC00000 \| vdp_port);
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	391 exit(1);
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	392 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	393 vdp_port &= 0x1F;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	394 uint16_t value;
198 209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	395 sync_components(context, 0);
263 2989ed7b8608 Add a second context pointer to m68k_context so that try_fifo_write can still have easy access to the VDP. Handle writes to Z80 code addresses from the 68K. Mike Pavone <pavone@retrodev.com> parents: 260 diff changeset	396 vdp_context * v_context = context->video_context;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	397 if (vdp_port < 0x10) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	398 if (vdp_port < 4) {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	399 value = vdp_data_port_read(v_context);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	400 } else if(vdp_port < 8) {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	401 value = vdp_control_port_read(v_context);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	402 } else {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	403 value = vdp_hv_counter_read(v_context);
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	404 //printf("HV Counter: %X at cycle %d\n", value, v_context->cycles);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	405 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	406 context->current_cycle = v_context->cycles/MCLKS_PER_68K;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	407 } else {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	408 printf("Illegal read from PSG or test register port %X\n", vdp_port);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	409 exit(1);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	410 }
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	411 return value;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	412 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	413
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	414 uint8_t vdp_port_read_b(uint32_t vdp_port, m68k_context * context)
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	415 {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	416 uint16_t value = vdp_port_read(vdp_port, context);
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	417 if (vdp_port & 1) {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	418 return value;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	419 } else {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	420 return value >> 8;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	421 }
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	422 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	423
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	424 #define TH 0x40
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	425 #define TH_TIMEOUT 8000
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	426
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	427 void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction)
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	428 {
89 9757b4c6c33f Minor joypad fix and commeount out some debug printfs Mike Pavone <pavone@retrodev.com> parents: 88 diff changeset	429 /*uint8_t control = pad->control \| 0x80;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	430 uint8_t th = control & pad->output;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	431 if (pad->input[GAMEPAD_TH0] \|\| pad->input[GAMEPAD_TH1]) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	432 printf("adjust_cycles \| control: %X, TH: %X, GAMEPAD_TH0: %X, GAMEPAD_TH1: %X, TH Counter: %d, Timeout: %d, Cycle: %d\n", control, th, pad->input[GAMEPAD_TH0], pad->input[GAMEPAD_TH1], pad->th_counter,pad->timeout_cycle, current_cycle);
89 9757b4c6c33f Minor joypad fix and commeount out some debug printfs Mike Pavone <pavone@retrodev.com> parents: 88 diff changeset	433 }*/
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	434 if (current_cycle >= pad->timeout_cycle) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	435 pad->th_counter = 0;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	436 } else {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	437 pad->timeout_cycle -= deduction;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	438 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	439 if (busack_cycle < CYCLE_NEVER && current_cycle < busack_cycle) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	440 busack_cycle -= deduction;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	441 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	442 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	443
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	444 void io_data_write(io_port * pad, m68k_context * context, uint8_t value)
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	445 {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	446 if (pad->control & TH) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	447 //check if TH has changed
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	448 if ((pad->output & TH) ^ (value & TH)) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	449 if (context->current_cycle >= pad->timeout_cycle) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	450 pad->th_counter = 0;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	451 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	452 if (!(value & TH)) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	453 pad->th_counter++;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	454 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	455 pad->timeout_cycle = context->current_cycle + TH_TIMEOUT;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	456 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	457 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	458 pad->output = value;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	459 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	460
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	461 uint8_t io_data_read(io_port * pad, m68k_context * context)
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	462 {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	463 uint8_t control = pad->control \| 0x80;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	464 uint8_t th = control & pad->output;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	465 uint8_t input;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	466 if (context->current_cycle >= pad->timeout_cycle) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	467 pad->th_counter = 0;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	468 }
89 9757b4c6c33f Minor joypad fix and commeount out some debug printfs Mike Pavone <pavone@retrodev.com> parents: 88 diff changeset	469 /*if (pad->input[GAMEPAD_TH0] \|\| pad->input[GAMEPAD_TH1]) {
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	470 printf("io_data_read \| control: %X, TH: %X, GAMEPAD_TH0: %X, GAMEPAD_TH1: %X, TH Counter: %d, Timeout: %d, Cycle: %d\n", control, th, pad->input[GAMEPAD_TH0], pad->input[GAMEPAD_TH1], pad->th_counter,pad->timeout_cycle, context->current_cycle);
89 9757b4c6c33f Minor joypad fix and commeount out some debug printfs Mike Pavone <pavone@retrodev.com> parents: 88 diff changeset	471 }*/
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	472 if (th) {
195 c615061f7914 Fix 6-button controller emulation Mike Pavone <pavone@retrodev.com> parents: 186 diff changeset	473 if (pad->th_counter == 3) {
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	474 input = pad->input[GAMEPAD_EXTRA];
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	475 } else {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	476 input = pad->input[GAMEPAD_TH1];
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	477 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	478 } else {
195 c615061f7914 Fix 6-button controller emulation Mike Pavone <pavone@retrodev.com> parents: 186 diff changeset	479 if (pad->th_counter == 3) {
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	480 input = pad->input[GAMEPAD_TH0] \| 0xF;
195 c615061f7914 Fix 6-button controller emulation Mike Pavone <pavone@retrodev.com> parents: 186 diff changeset	481 } else if(pad->th_counter == 4) {
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	482 input = pad->input[GAMEPAD_TH0] & 0x30;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	483 } else {
89 9757b4c6c33f Minor joypad fix and commeount out some debug printfs Mike Pavone <pavone@retrodev.com> parents: 88 diff changeset	484 input = pad->input[GAMEPAD_TH0] \| 0xC;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	485 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	486 }
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	487 uint8_t value = ((~input) & (~control)) \| (pad->output & control);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	488 /*if (pad->input[GAMEPAD_TH0] \|\| pad->input[GAMEPAD_TH1]) {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	489 printf ("value: %X\n", value);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	490 }*/
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	491 return value;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	492 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	493
279 6be6056735a9 Fix native address lookup in bannked memory area Mike Pavone <pavone@retrodev.com> parents: 276 diff changeset	494 uint32_t zram_counter = 0;
289 1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	495 #define Z80_ACK_DELAY 3
336 87b65e5ce1ab Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	496 #define Z80_BUSY_DELAY 1//TODO: Find the actual value for this
289 1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	497 #define Z80_REQ_BUSY 1
1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	498 #define Z80_REQ_ACK 0
1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	499 #define Z80_RES_BUSACK reset
279 6be6056735a9 Fix native address lookup in bannked memory area Mike Pavone <pavone@retrodev.com> parents: 276 diff changeset	500
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	501 m68k_context * io_write(uint32_t location, m68k_context * context, uint8_t value)
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	502 {
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	503 genesis_context * gen = context->system;
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	504 if (location < 0x10000) {
336 87b65e5ce1ab Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	505 if (busack_cycle <= context->current_cycle) {
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	506 busack = new_busack;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	507 busack_cycle = CYCLE_NEVER;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	508 }
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	509 if (!(busack \|\| reset)) {
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	510 location &= 0x7FFF;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	511 if (location < 0x4000) {
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	512 z80_ram[location & 0x1FFF] = value;
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	513 z80_handle_code_write(location & 0x1FFF, gen->z80);
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	514 } else if (location < 0x6000) {
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	515 sync_sound(gen, context->current_cycle * MCLKS_PER_68K);
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	516 if (location & 1) {
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	517 ym_data_write(gen->ym, value);
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	518 } else if(location & 2) {
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	519 ym_address_write_part2(gen->ym, value);
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	520 } else {
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	521 ym_address_write_part1(gen->ym, value);
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	522 }
405 042c4ba4a838 Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again Mike Pavone <pavone@retrodev.com> parents: 404 diff changeset	523 } else if (location == 0x6000) {
042c4ba4a838 Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again Mike Pavone <pavone@retrodev.com> parents: 404 diff changeset	524 gen->z80->bank_reg = (gen->z80->bank_reg >> 1 \| value << 8) & 0x1FF;
042c4ba4a838 Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again Mike Pavone <pavone@retrodev.com> parents: 404 diff changeset	525 if (gen->z80->bank_reg < 0x80) {
042c4ba4a838 Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again Mike Pavone <pavone@retrodev.com> parents: 404 diff changeset	526 gen->z80->mem_pointers[1] = (gen->z80->bank_reg << 15) + ((char *)gen->z80->mem_pointers[2]);
042c4ba4a838 Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again Mike Pavone <pavone@retrodev.com> parents: 404 diff changeset	527 } else {
042c4ba4a838 Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again Mike Pavone <pavone@retrodev.com> parents: 404 diff changeset	528 gen->z80->mem_pointers[1] = NULL;
042c4ba4a838 Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again Mike Pavone <pavone@retrodev.com> parents: 404 diff changeset	529 }
395 0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	530 } else {
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	531 printf("68K write to unhandled Z80 address %X\n", location);
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	532 exit(1);
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	533 }
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	534 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	535 } else {
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	536 location &= 0x1FFF;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	537 if (location < 0x100) {
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	538 switch(location/2)
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	539 {
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	540 case 0x1:
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	541 io_data_write(&gamepad_1, context, value);
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	542 break;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	543 case 0x2:
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	544 io_data_write(&gamepad_2, context, value);
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	545 break;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	546 case 0x3://PORT C Data
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	547 break;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	548 case 0x4:
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	549 gamepad_1.control = value;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	550 break;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	551 case 0x5:
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	552 gamepad_2.control = value;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	553 break;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	554 }
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	555 } else {
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	556 if (location == 0x1100) {
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	557 sync_z80(gen->z80, context->current_cycle * MCLKS_PER_68K);
336 87b65e5ce1ab Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	558 if (busack_cycle <= context->current_cycle) {
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	559 busack = new_busack;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	560 busack_cycle = CYCLE_NEVER;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	561 }
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	562 if (value & 1) {
271 969ee17471c5 Protect debug prints for busreq/reset regs with appropriate macros Mike Pavone <pavone@retrodev.com> parents: 268 diff changeset	563 dputs("bus requesting Z80");
336 87b65e5ce1ab Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	564
87b65e5ce1ab Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	565 if(!reset && !busreq) {
289 1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	566 busack_cycle = ((gen->z80->current_cycle + Z80_ACK_DELAY) * MCLKS_PER_Z80) / MCLKS_PER_68K;//context->current_cycle + Z80_ACK_DELAY;
1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	567 new_busack = Z80_REQ_ACK;
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	568 }
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 362 diff changeset	569 busreq = 1;
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	570 } else {
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	571 if (busreq) {
271 969ee17471c5 Protect debug prints for busreq/reset regs with appropriate macros Mike Pavone <pavone@retrodev.com> parents: 268 diff changeset	572 dputs("releasing z80 bus");
280 9ee64039ddeb Fix bank register update Mike Pavone <pavone@retrodev.com> parents: 279 diff changeset	573 #ifdef DO_DEBUG_PRINT
279 6be6056735a9 Fix native address lookup in bannked memory area Mike Pavone <pavone@retrodev.com> parents: 276 diff changeset	574 char fname[20];
6be6056735a9 Fix native address lookup in bannked memory area Mike Pavone <pavone@retrodev.com> parents: 276 diff changeset	575 sprintf(fname, "zram-%d", zram_counter++);
6be6056735a9 Fix native address lookup in bannked memory area Mike Pavone <pavone@retrodev.com> parents: 276 diff changeset	576 FILE * f = fopen(fname, "wb");
6be6056735a9 Fix native address lookup in bannked memory area Mike Pavone <pavone@retrodev.com> parents: 276 diff changeset	577 fwrite(z80_ram, 1, sizeof(z80_ram), f);
6be6056735a9 Fix native address lookup in bannked memory area Mike Pavone <pavone@retrodev.com> parents: 276 diff changeset	578 fclose(f);
280 9ee64039ddeb Fix bank register update Mike Pavone <pavone@retrodev.com> parents: 279 diff changeset	579 #endif
336 87b65e5ce1ab Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	580 busack_cycle = ((gen->z80->current_cycle + Z80_BUSY_DELAY) * MCLKS_PER_Z80) / MCLKS_PER_68K;
87b65e5ce1ab Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	581 new_busack = Z80_REQ_BUSY;
87b65e5ce1ab Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	582 busreq = 0;
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	583 }
289 1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	584 //busack_cycle = CYCLE_NEVER;
1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	585 //busack = Z80_REQ_BUSY;
336 87b65e5ce1ab Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	586
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	587 }
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	588 } else if (location == 0x1200) {
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	589 sync_z80(gen->z80, context->current_cycle * MCLKS_PER_68K);
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	590 if (value & 1) {
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	591 if (reset && busreq) {
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	592 new_busack = 0;
289 1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	593 busack_cycle = ((gen->z80->current_cycle + Z80_ACK_DELAY) * MCLKS_PER_Z80) / MCLKS_PER_68K;//context->current_cycle + Z80_ACK_DELAY;
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	594 }
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	595 //TODO: Deal with the scenario in which reset is not asserted long enough
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	596 if (reset) {
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	597 need_reset = 1;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	598 //TODO: Add necessary delay between release of reset and start of execution
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	599 gen->z80->current_cycle = (context->current_cycle * MCLKS_PER_68K) / MCLKS_PER_Z80;
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	600 }
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	601 reset = 0;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	602 } else {
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	603 reset = 1;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	604 }
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	605 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	606 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	607 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	608 return context;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	609 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	610
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	611 m68k_context * io_write_w(uint32_t location, m68k_context * context, uint16_t value)
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	612 {
404 88fa2ad53e64 Minor refactor of io_read functions to avoid duplication of logic between byte and word versions Mike Pavone <pavone@retrodev.com> parents: 402 diff changeset	613 if (location < 0x10000 \|\| (location & 0x1FFF) >= 0x100) {
88fa2ad53e64 Minor refactor of io_read functions to avoid duplication of logic between byte and word versions Mike Pavone <pavone@retrodev.com> parents: 402 diff changeset	614 return io_write(location, context, value >> 8);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	615 } else {
404 88fa2ad53e64 Minor refactor of io_read functions to avoid duplication of logic between byte and word versions Mike Pavone <pavone@retrodev.com> parents: 402 diff changeset	616 return io_write(location, context, value);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	617 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	618 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	619
130 0bdbffa9fe90 Make version register return correct value for USA Mike Pavone <pavone@retrodev.com> parents: 115 diff changeset	620 #define USA 0x80
0bdbffa9fe90 Make version register return correct value for USA Mike Pavone <pavone@retrodev.com> parents: 115 diff changeset	621 #define JAP 0x00
0bdbffa9fe90 Make version register return correct value for USA Mike Pavone <pavone@retrodev.com> parents: 115 diff changeset	622 #define EUR 0xC0
0bdbffa9fe90 Make version register return correct value for USA Mike Pavone <pavone@retrodev.com> parents: 115 diff changeset	623 #define NO_DISK 0x20
0bdbffa9fe90 Make version register return correct value for USA Mike Pavone <pavone@retrodev.com> parents: 115 diff changeset	624 uint8_t version_reg = NO_DISK \| USA;
0bdbffa9fe90 Make version register return correct value for USA Mike Pavone <pavone@retrodev.com> parents: 115 diff changeset	625
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	626 uint8_t io_read(uint32_t location, m68k_context * context)
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	627 {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	628 uint8_t value;
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	629 genesis_context *gen = context->system;
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	630 if (location < 0x10000) {
336 87b65e5ce1ab Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	631 if (busack_cycle <= context->current_cycle) {
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	632 busack = new_busack;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	633 busack_cycle = CYCLE_NEVER;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	634 }
289 1cc0850ab6bc Hopefully more correct implementation of the Z80 busack status Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	635 if (!(busack==Z80_REQ_BUSY \|\| reset)) {
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	636 location &= 0x7FFF;
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	637 if (location < 0x4000) {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	638 value = z80_ram[location & 0x1FFF];
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	639 } else if (location < 0x6000) {
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	640 sync_sound(gen, context->current_cycle * MCLKS_PER_68K);
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	641 value = ym_read_status(gen->ym);
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	642 } else {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	643 value = 0xFF;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	644 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	645 } else {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	646 value = 0xFF;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	647 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	648 } else {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	649 location &= 0x1FFF;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	650 if (location < 0x100) {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	651 switch(location/2)
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	652 {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	653 case 0x0:
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	654 //version bits should be 0 for now since we're not emulating TMSS
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	655 value = version_reg;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	656 break;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	657 case 0x1:
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	658 value = io_data_read(&gamepad_1, context);
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	659 break;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	660 case 0x2:
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	661 value = io_data_read(&gamepad_2, context);
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	662 break;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	663 case 0x3://PORT C Data
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	664 break;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	665 case 0x4:
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	666 value = gamepad_1.control;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	667 break;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	668 case 0x5:
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	669 value = gamepad_2.control;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	670 break;
405 042c4ba4a838 Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again Mike Pavone <pavone@retrodev.com> parents: 404 diff changeset	671 case 0x6://PORT C control
042c4ba4a838 Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again Mike Pavone <pavone@retrodev.com> parents: 404 diff changeset	672 value = 0;
042c4ba4a838 Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 again Mike Pavone <pavone@retrodev.com> parents: 404 diff changeset	673 break;
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	674 default:
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	675 value = 0xFF;
153 42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	676 }
42c031184e8a Implement access to Z80 RAM Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	677 } else {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	678 if (location == 0x1100) {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	679 if (busack_cycle <= context->current_cycle) {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	680 busack = new_busack;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	681 busack_cycle = CYCLE_NEVER;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	682 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	683 value = Z80_RES_BUSACK \|\| busack;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	684 dprintf("Byte read of BUSREQ returned %d @ %d (reset: %d, busack: %d, busack_cycle %d)\n", value, context->current_cycle, reset, busack, busack_cycle);
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	685 } else if (location == 0x1200) {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	686 value = !reset;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	687 } else {
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	688 value = 0xFF;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	689 printf("Byte read of unknown IO location: %X\n", location);
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	690 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	691 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	692 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	693 return value;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	694 }
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	695
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	696 uint16_t io_read_w(uint32_t location, m68k_context * context)
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	697 {
404 88fa2ad53e64 Minor refactor of io_read functions to avoid duplication of logic between byte and word versions Mike Pavone <pavone@retrodev.com> parents: 402 diff changeset	698 uint16_t value = io_read(location, context);
88fa2ad53e64 Minor refactor of io_read functions to avoid duplication of logic between byte and word versions Mike Pavone <pavone@retrodev.com> parents: 402 diff changeset	699 if (location < 0x10000 \|\| (location & 0x1FFF) < 0x100) {
88fa2ad53e64 Minor refactor of io_read functions to avoid duplication of logic between byte and word versions Mike Pavone <pavone@retrodev.com> parents: 402 diff changeset	700 value = value \| (value << 8);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	701 } else {
404 88fa2ad53e64 Minor refactor of io_read functions to avoid duplication of logic between byte and word versions Mike Pavone <pavone@retrodev.com> parents: 402 diff changeset	702 value <<= 8;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	703 }
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	704 return value;
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	705 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	706
290 171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	707 z80_context * z80_write_ym(uint16_t location, z80_context * context, uint8_t value)
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	708 {
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	709 genesis_context * gen = context->system;
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	710 sync_sound(gen, context->current_cycle * MCLKS_PER_Z80);
290 171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	711 if (location & 1) {
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	712 ym_data_write(gen->ym, value);
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	713 } else if (location & 2) {
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	714 ym_address_write_part2(gen->ym, value);
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	715 } else {
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	716 ym_address_write_part1(gen->ym, value);
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	717 }
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	718 return context;
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	719 }
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	720
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	721 uint8_t z80_read_ym(uint16_t location, z80_context * context)
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	722 {
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	723 genesis_context * gen = context->system;
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	724 sync_sound(gen, context->current_cycle * MCLKS_PER_Z80);
290 171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	725 return ym_read_status(gen->ym);
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	726 }
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	727
351 2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	728 uint16_t read_sram_w(uint32_t address, m68k_context * context)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	729 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	730 genesis_context * gen = context->system;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	731 address &= gen->save_ram_mask;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	732 switch(gen->save_flags)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	733 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	734 case RAM_FLAG_BOTH:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	735 return gen->save_ram[address] << 8 \| gen->save_ram[address+1];
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	736 case RAM_FLAG_EVEN:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	737 return gen->save_ram[address >> 1] << 8 \| 0xFF;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	738 case RAM_FLAG_ODD:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	739 return gen->save_ram[address >> 1] \| 0xFF00;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	740 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	741 return 0xFFFF;//We should never get here
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	742 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	743
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	744 uint8_t read_sram_b(uint32_t address, m68k_context * context)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	745 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	746 genesis_context * gen = context->system;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	747 address &= gen->save_ram_mask;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	748 switch(gen->save_flags)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	749 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	750 case RAM_FLAG_BOTH:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	751 return gen->save_ram[address];
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	752 case RAM_FLAG_EVEN:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	753 if (address & 1) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	754 return 0xFF;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	755 } else {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	756 return gen->save_ram[address >> 1];
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	757 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	758 case RAM_FLAG_ODD:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	759 if (address & 1) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	760 return gen->save_ram[address >> 1];
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	761 } else {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	762 return 0xFF;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	763 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	764 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	765 return 0xFF;//We should never get here
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	766 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	767
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	768 m68k_context * write_sram_area_w(uint32_t address, m68k_context * context, uint16_t value)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	769 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	770 genesis_context * gen = context->system;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	771 if ((gen->bank_regs[0] & 0x3) == 1) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	772 address &= gen->save_ram_mask;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	773 switch(gen->save_flags)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	774 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	775 case RAM_FLAG_BOTH:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	776 gen->save_ram[address] = value >> 8;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	777 gen->save_ram[address+1] = value;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	778 break;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	779 case RAM_FLAG_EVEN:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	780 gen->save_ram[address >> 1] = value >> 8;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	781 break;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	782 case RAM_FLAG_ODD:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	783 gen->save_ram[address >> 1] = value;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	784 break;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	785 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	786 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	787 return context;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	788 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	789
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	790 m68k_context * write_sram_area_b(uint32_t address, m68k_context * context, uint8_t value)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	791 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	792 genesis_context * gen = context->system;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	793 if ((gen->bank_regs[0] & 0x3) == 1) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	794 address &= gen->save_ram_mask;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	795 switch(gen->save_flags)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	796 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	797 case RAM_FLAG_BOTH:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	798 gen->save_ram[address] = value;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	799 break;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	800 case RAM_FLAG_EVEN:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	801 if (!(address & 1)) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	802 gen->save_ram[address >> 1] = value;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	803 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	804 break;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	805 case RAM_FLAG_ODD:
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	806 if (address & 1) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	807 gen->save_ram[address >> 1] = value;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	808 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	809 break;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	810 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	811 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	812 return context;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	813 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	814
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	815 m68k_context * write_bank_reg_w(uint32_t address, m68k_context * context, uint16_t value)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	816 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	817 genesis_context * gen = context->system;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	818 address &= 0xE;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	819 address >>= 1;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	820 gen->bank_regs[address] = value;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	821 if (!address) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	822 if (value & 1) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	823 context->mem_pointers[2] = NULL;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	824 } else {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	825 context->mem_pointers[2] = cart + 0x200000/2;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	826 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	827 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	828 return context;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	829 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	830
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	831 m68k_context * write_bank_reg_b(uint32_t address, m68k_context * context, uint8_t value)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	832 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	833 if (address & 1) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	834 genesis_context * gen = context->system;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	835 address &= 0xE;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	836 address >>= 1;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	837 gen->bank_regs[address] = value;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	838 if (!address) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	839 if (value & 1) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	840 context->mem_pointers[2] = NULL;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	841 } else {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	842 context->mem_pointers[2] = cart + 0x200000/2;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	843 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	844 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	845 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	846 return context;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	847 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	848
398 c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	849 enum {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	850 BIND_NONE,
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	851 BIND_GAMEPAD1,
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	852 BIND_GAMEPAD2,
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	853 BIND_UI
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	854 };
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	855
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	856 typedef enum {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	857 UI_DEBUG_MODE_INC,
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	858 UI_DEBUG_PAL_INC,
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	859 UI_ENTER_DEBUGGER
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	860 } ui_action;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	861
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	862 typedef struct {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	863 uint8_t bind_type;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	864 uint8_t subtype_a;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	865 uint8_t subtype_b;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	866 uint8_t value;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	867 } keybinding;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	868
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	869 keybinding * bindings[256];
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	870
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	871 void bind_key(int keycode, uint8_t bind_type, uint8_t subtype_a, uint8_t subtype_b, uint8_t value)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	872 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	873 int bucket = keycode >> 8 & 0xFF;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	874 if (!bindings[bucket]) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	875 bindings[bucket] = malloc(sizeof(keybinding) * 256);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	876 memset(bindings[bucket], 0, sizeof(keybinding) * 256);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	877 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	878 int idx = keycode & 0xFF;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	879 bindings[bucket][idx].bind_type = bind_type;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	880 bindings[bucket][idx].subtype_a = subtype_a;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	881 bindings[bucket][idx].subtype_b = subtype_b;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	882 bindings[bucket][idx].value = value;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	883 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	884
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	885 #define GAMEPAD_BUTTON(PRI_SLOT, SEC_SLOT, VALUE) (PRI_SLOT << 12 \| SEC_SLOT << 8 \| VALUE)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	886
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	887 #define DPAD_UP GAMEPAD_BUTTON(GAMEPAD_TH0, GAMEPAD_TH1, 0x01)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	888 #define BUTTON_Z GAMEPAD_BUTTON(GAMEPAD_EXTRA, GAMEPAD_NONE, 0x01)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	889 #define DPAD_DOWN GAMEPAD_BUTTON(GAMEPAD_TH0, GAMEPAD_TH1, 0x02)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	890 #define BUTTON_Y GAMEPAD_BUTTON(GAMEPAD_EXTRA, GAMEPAD_NONE, 0x02)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	891 #define DPAD_LEFT GAMEPAD_BUTTON(GAMEPAD_TH1, GAMEPAD_NONE, 0x04)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	892 #define BUTTON_X GAMEPAD_BUTTON(GAMEPAD_EXTRA, GAMEPAD_NONE, 0x04)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	893 #define DPAD_RIGHT GAMEPAD_BUTTON(GAMEPAD_TH1, GAMEPAD_NONE, 0x08)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	894 #define BUTTON_MODE GAMEPAD_BUTTON(GAMEPAD_EXTRA, GAMEPAD_NONE, 0x08)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	895 #define BUTTON_A GAMEPAD_BUTTON(GAMEPAD_TH0, GAMEPAD_NONE, 0x10)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	896 #define BUTTON_B GAMEPAD_BUTTON(GAMEPAD_TH1, GAMEPAD_NONE, 0x10)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	897 #define BUTTON_START GAMEPAD_BUTTON(GAMEPAD_TH0, GAMEPAD_NONE, 0x20)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	898 #define BUTTON_C GAMEPAD_BUTTON(GAMEPAD_TH1, GAMEPAD_NONE, 0x20)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	899
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	900 void bind_gamepad(int keycode, int gamepadnum, int button)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	901 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	902
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	903 if (gamepadnum < 1 \|\| gamepadnum > 2) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	904 return;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	905 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	906 uint8_t bind_type = gamepadnum - 1 + BIND_GAMEPAD1;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	907 bind_key(keycode, bind_type, button >> 12, button >> 8 & 0xF, button & 0xFF);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	908 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	909
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	910 void bind_ui(int keycode, ui_action action)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	911 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	912 bind_key(keycode, BIND_UI, action, 0, 0);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	913 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	914
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	915 void handle_keydown(int keycode)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	916 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	917 int bucket = keycode >> 8 & 0xFF;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	918 if (!bindings[bucket]) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	919 return;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	920 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	921 int idx = keycode & 0xFF;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	922 keybinding * binding = bindings[bucket] + idx;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	923 switch(binding->bind_type)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	924 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	925 case BIND_GAMEPAD1:
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	926 if (binding->subtype_a <= GAMEPAD_EXTRA) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	927 gamepad_1.input[binding->subtype_a] \|= binding->value;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	928 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	929 if (binding->subtype_b <= GAMEPAD_EXTRA) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	930 gamepad_1.input[binding->subtype_b] \|= binding->value;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	931 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	932 break;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	933 case BIND_GAMEPAD2:
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	934 if (binding->subtype_a <= GAMEPAD_EXTRA) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	935 gamepad_2.input[binding->subtype_a] \|= binding->value;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	936 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	937 if (binding->subtype_b <= GAMEPAD_EXTRA) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	938 gamepad_2.input[binding->subtype_b] \|= binding->value;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	939 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	940 break;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	941 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	942 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	943
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	944 uint8_t ui_debug_mode = 0;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	945 uint8_t ui_debug_pal = 0;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	946
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	947 void handle_keyup(int keycode)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	948 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	949 int bucket = keycode >> 8 & 0xFF;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	950 if (!bindings[bucket]) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	951 return;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	952 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	953 int idx = keycode & 0xFF;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	954 keybinding * binding = bindings[bucket] + idx;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	955 switch(binding->bind_type)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	956 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	957 case BIND_GAMEPAD1:
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	958 if (binding->subtype_a <= GAMEPAD_EXTRA) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	959 gamepad_1.input[binding->subtype_a] &= ~binding->value;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	960 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	961 if (binding->subtype_b <= GAMEPAD_EXTRA) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	962 gamepad_1.input[binding->subtype_b] &= ~binding->value;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	963 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	964 break;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	965 case BIND_GAMEPAD2:
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	966 if (binding->subtype_a <= GAMEPAD_EXTRA) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	967 gamepad_2.input[binding->subtype_a] &= ~binding->value;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	968 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	969 if (binding->subtype_b <= GAMEPAD_EXTRA) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	970 gamepad_2.input[binding->subtype_b] &= ~binding->value;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	971 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	972 break;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	973 case BIND_UI:
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	974 switch (binding->subtype_a)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	975 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	976 case UI_DEBUG_MODE_INC:
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	977 ui_debug_mode++;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	978 if (ui_debug_mode == 4) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	979 ui_debug_mode = 0;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	980 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	981 render_debug_mode(ui_debug_mode);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	982 break;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	983 case UI_DEBUG_PAL_INC:
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	984 ui_debug_pal++;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	985 if (ui_debug_pal == 4) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	986 ui_debug_pal = 0;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	987 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	988 render_debug_pal(ui_debug_pal);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	989 break;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	990 case UI_ENTER_DEBUGGER:
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	991 break_on_sync = 1;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	992 break;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	993 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	994 break;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	995 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	996 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	997
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	998 void set_keybindings()
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	999 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1000 bind_gamepad(RENDERKEY_UP, 1, DPAD_UP);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1001 bind_gamepad(RENDERKEY_DOWN, 1, DPAD_DOWN);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1002 bind_gamepad(RENDERKEY_LEFT, 1, DPAD_LEFT);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1003 bind_gamepad(RENDERKEY_RIGHT, 1, DPAD_RIGHT);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1004 bind_gamepad('a', 1, BUTTON_A);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1005 bind_gamepad('s', 1, BUTTON_B);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1006 bind_gamepad('d', 1, BUTTON_C);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1007 bind_gamepad('q', 1, BUTTON_X);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1008 bind_gamepad('w', 1, BUTTON_Y);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1009 bind_gamepad('e', 1, BUTTON_Z);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1010 bind_gamepad('\r', 1, BUTTON_START);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1011 bind_gamepad('f', 1, BUTTON_MODE);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1012 bind_ui('[', UI_DEBUG_MODE_INC);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1013 bind_ui(']', UI_DEBUG_PAL_INC);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1014 bind_ui('u', UI_ENTER_DEBUGGER);
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1015 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	1016
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1017 typedef struct bp_def {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1018 struct bp_def * next;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1019 uint32_t address;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1020 uint32_t index;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1021 } bp_def;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1022
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1023 bp_def * breakpoints = NULL;
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1024 bp_def * zbreakpoints = NULL;
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1025 uint32_t bp_index = 0;
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1026 uint32_t zbp_index = 0;
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1027
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1028 bp_def find_breakpoint(bp_def cur, uint32_t address)
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1029 {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1030 while (*cur) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1031 if ((*cur)->address == address) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1032 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1033 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1034 cur = &((*cur)->next);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1035 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1036 return cur;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1037 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1038
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1039 bp_def find_breakpoint_idx(bp_def cur, uint32_t index)
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1040 {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1041 while (*cur) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1042 if ((*cur)->index == index) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1043 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1044 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1045 cur = &((*cur)->next);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1046 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1047 return cur;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1048 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1049
372 5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1050 typedef struct disp_def {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1051 struct disp_def * next;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1052 char * param;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1053 uint32_t index;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1054 char format_char;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1055 } disp_def;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1056
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1057 disp_def * displays = NULL;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1058 disp_def * zdisplays = NULL;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1059 uint32_t disp_index = 0;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1060 uint32_t zdisp_index = 0;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1061
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1062 void add_display(disp_def ** head, uint32_t index, char format_char, char param)
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1063 {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1064 disp_def * ndisp = malloc(sizeof(*ndisp));
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1065 ndisp->format_char = format_char;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1066 ndisp->param = strdup(param);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1067 ndisp->next = *head;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1068 ndisp->index = *index++;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1069 *head = ndisp;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1070 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1071
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1072 void remove_display(disp_def ** head, uint32_t index)
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1073 {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1074 while (*head) {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1075 if ((*head)->index == index) {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1076 disp_def * del_disp = *head;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1077 *head = del_disp->next;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1078 free(del_disp->param);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1079 free(del_disp);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1080 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1081 head = &(*head)->next;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1082 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1083 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1084 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1085
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1086 char * find_param(char * buf)
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1087 {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1088 for (; *buf; buf++) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1089 if (*buf == ' ') {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1090 if (*(buf+1)) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1091 return buf+1;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1092 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1093 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1094 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1095 return NULL;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1096 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1097
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1098 void strip_nl(char * buf)
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1099 {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1100 for(; *buf; buf++) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1101 if (*buf == '\n') {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1102 *buf = 0;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1103 return;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1104 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1105 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1106 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1107
372 5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1108 void zdebugger_print(z80_context * context, char format_char, char * param)
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1109 {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1110 uint32_t value;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1111 char format[8];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1112 strcpy(format, "%s: %d\n");
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1113 switch (format_char)
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1114 {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1115 case 'x':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1116 case 'X':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1117 case 'd':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1118 case 'c':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1119 format[5] = format_char;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1120 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1121 case '\0':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1122 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1123 default:
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1124 fprintf(stderr, "Unrecognized format character: %c\n", format_char);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1125 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1126 switch (param[0])
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1127 {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1128 case 'a':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1129 if (param[1] == 'f') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1130 if(param[2] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1131 value = context->alt_regs[Z80_A] << 8;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1132 value \|= context->alt_flags[ZF_S] << 7;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1133 value \|= context->alt_flags[ZF_Z] << 6;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1134 value \|= context->alt_flags[ZF_H] << 4;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1135 value \|= context->alt_flags[ZF_PV] << 2;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1136 value \|= context->alt_flags[ZF_N] << 1;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1137 value \|= context->alt_flags[ZF_C];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1138 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1139 value = context->regs[Z80_A] << 8;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1140 value \|= context->flags[ZF_S] << 7;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1141 value \|= context->flags[ZF_Z] << 6;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1142 value \|= context->flags[ZF_H] << 4;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1143 value \|= context->flags[ZF_PV] << 2;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1144 value \|= context->flags[ZF_N] << 1;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1145 value \|= context->flags[ZF_C];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1146 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1147 } else if(param[1] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1148 value = context->alt_regs[Z80_A];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1149 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1150 value = context->regs[Z80_A];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1151 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1152 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1153 case 'b':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1154 if (param[1] == 'c') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1155 if(param[2] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1156 value = context->alt_regs[Z80_B] << 8;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1157 value \|= context->alt_regs[Z80_C];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1158 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1159 value = context->regs[Z80_B] << 8;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1160 value \|= context->regs[Z80_C];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1161 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1162 } else if(param[1] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1163 value = context->alt_regs[Z80_B];
392 1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1164 } else if(param[1] == 'a') {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1165 value = context->bank_reg << 15;
372 5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1166 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1167 value = context->regs[Z80_B];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1168 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1169 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1170 case 'c':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1171 if(param[1] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1172 value = context->alt_regs[Z80_C];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1173 } else if(param[1] == 'y') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1174 value = context->current_cycle;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1175 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1176 value = context->regs[Z80_C];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1177 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1178 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1179 case 'd':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1180 if (param[1] == 'e') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1181 if(param[2] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1182 value = context->alt_regs[Z80_D] << 8;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1183 value \|= context->alt_regs[Z80_E];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1184 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1185 value = context->regs[Z80_D] << 8;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1186 value \|= context->regs[Z80_E];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1187 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1188 } else if(param[1] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1189 value = context->alt_regs[Z80_D];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1190 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1191 value = context->regs[Z80_D];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1192 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1193 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1194 case 'e':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1195 if(param[1] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1196 value = context->alt_regs[Z80_E];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1197 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1198 value = context->regs[Z80_E];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1199 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1200 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1201 case 'f':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1202 if(param[2] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1203 value = context->alt_flags[ZF_S] << 7;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1204 value \|= context->alt_flags[ZF_Z] << 6;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1205 value \|= context->alt_flags[ZF_H] << 4;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1206 value \|= context->alt_flags[ZF_PV] << 2;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1207 value \|= context->alt_flags[ZF_N] << 1;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1208 value \|= context->alt_flags[ZF_C];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1209 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1210 value = context->flags[ZF_S] << 7;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1211 value \|= context->flags[ZF_Z] << 6;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1212 value \|= context->flags[ZF_H] << 4;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1213 value \|= context->flags[ZF_PV] << 2;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1214 value \|= context->flags[ZF_N] << 1;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1215 value \|= context->flags[ZF_C];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1216 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1217 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1218 case 'h':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1219 if (param[1] == 'l') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1220 if(param[2] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1221 value = context->alt_regs[Z80_H] << 8;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1222 value \|= context->alt_regs[Z80_L];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1223 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1224 value = context->regs[Z80_H] << 8;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1225 value \|= context->regs[Z80_L];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1226 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1227 } else if(param[1] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1228 value = context->alt_regs[Z80_H];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1229 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1230 value = context->regs[Z80_H];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1231 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1232 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1233 case 'l':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1234 if(param[1] == '\'') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1235 value = context->alt_regs[Z80_L];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1236 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1237 value = context->regs[Z80_L];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1238 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1239 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1240 case 'i':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1241 if(param[1] == 'x') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1242 if (param[2] == 'h') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1243 value = context->regs[Z80_IXH];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1244 } else if(param[2] == 'l') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1245 value = context->regs[Z80_IXL];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1246 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1247 value = context->regs[Z80_IXH] << 8;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1248 value \|= context->regs[Z80_IXL];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1249 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1250 } else if(param[1] == 'y') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1251 if (param[2] == 'h') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1252 value = context->regs[Z80_IYH];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1253 } else if(param[2] == 'l') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1254 value = context->regs[Z80_IYL];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1255 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1256 value = context->regs[Z80_IYH] << 8;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1257 value \|= context->regs[Z80_IYL];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1258 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1259 } else if(param[1] == 'n') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1260 value = context->int_cycle;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1261 } else if(param[1] == 'f' && param[2] == 'f' && param[3] == '1') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1262 value = context->iff1;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1263 } else if(param[1] == 'f' && param[2] == 'f' && param[3] == '2') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1264 value = context->iff2;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1265 } else {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1266 value = context->im;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1267 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1268 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1269 case 's':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1270 if (param[1] == 'p') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1271 value = context->sp;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1272 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1273 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1274 case '0':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1275 if (param[1] == 'x') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1276 uint16_t p_addr = strtol(param+2, NULL, 16);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1277 if (p_addr < 0x4000) {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1278 value = z80_ram[p_addr & 0x1FFF];
392 1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1279 } else if(p_addr >= 0x8000) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1280 uint32_t v_addr = context->bank_reg << 15;
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1281 v_addr += p_addr & 0x7FFF;
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1282 if (v_addr < 0x400000) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1283 value = cart[v_addr/2];
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1284 } else if(v_addr > 0xE00000) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1285 value = ram[(v_addr & 0xFFFF)/2];
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1286 }
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1287 if (v_addr & 1) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1288 value &= 0xFF;
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1289 } else {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1290 value >>= 8;
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1291 }
372 5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1292 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1293 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1294 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1295 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1296 printf(format, param, value);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1297 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1298
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1299 z80_context * zdebugger(z80_context * context, uint16_t address)
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1300 {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1301 static char last_cmd[1024];
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1302 char input_buf[1024];
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1303 static uint16_t branch_t;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1304 static uint16_t branch_f;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1305 z80inst inst;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1306 //Check if this is a user set breakpoint, or just a temporary one
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1307 bp_def ** this_bp = find_breakpoint(&zbreakpoints, address);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1308 if (*this_bp) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1309 printf("Z80 Breakpoint %d hit\n", (*this_bp)->index);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1310 } else {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1311 zremove_breakpoint(context, address);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1312 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1313 uint8_t * pc;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1314 if (address < 0x4000) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1315 pc = z80_ram + (address & 0x1FFF);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1316 } else if (address >= 0x8000) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1317 if (context->bank_reg < (0x400000 >> 15)) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1318 fprintf(stderr, "Entered Z80 debugger in banked memory address %X, which is not yet supported\n", address);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1319 exit(1);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1320 } else {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1321 fprintf(stderr, "Entered Z80 debugger in banked memory address %X, but the bank is not pointed to a cartridge address\n", address);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1322 exit(1);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1323 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1324 } else {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1325 fprintf(stderr, "Entered Z80 debugger at address %X\n", address);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1326 exit(1);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1327 }
372 5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1328 for (disp_def * cur = zdisplays; cur; cur = cur->next) {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1329 zdebugger_print(context, cur->format_char, cur->param);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1330 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1331 uint8_t * after_pc = z80_decode(pc, &inst);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1332 z80_disasm(&inst, input_buf, address);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1333 printf("%X:\t%s\n", address, input_buf);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1334 uint16_t after = address + (after_pc-pc);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1335 int debugging = 1;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1336 while(debugging) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1337 fputs(">", stdout);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1338 if (!fgets(input_buf, sizeof(input_buf), stdin)) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1339 fputs("fgets failed", stderr);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1340 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1341 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1342 strip_nl(input_buf);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1343 //hitting enter repeats last command
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1344 if (input_buf[0]) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1345 strcpy(last_cmd, input_buf);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1346 } else {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1347 strcpy(input_buf, last_cmd);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1348 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1349 char * param;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1350 char format[8];
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1351 uint32_t value;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1352 bp_def * new_bp;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1353 switch(input_buf[0])
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1354 {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1355 case 'a':
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1356 param = find_param(input_buf);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1357 if (!param) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1358 fputs("a command requires a parameter\n", stderr);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1359 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1360 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1361 value = strtol(param, NULL, 16);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1362 zinsert_breakpoint(context, value, (uint8_t *)zdebugger);
392 1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1363 debugging = 0;
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1364 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1365 case 'b':
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1366 param = find_param(input_buf);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1367 if (!param) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1368 fputs("b command requires a parameter\n", stderr);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1369 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1370 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1371 value = strtol(param, NULL, 16);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1372 zinsert_breakpoint(context, value, (uint8_t *)zdebugger);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1373 new_bp = malloc(sizeof(bp_def));
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1374 new_bp->next = zbreakpoints;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1375 new_bp->address = value;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1376 new_bp->index = zbp_index++;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1377 zbreakpoints = new_bp;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1378 printf("Z80 Breakpoint %d set at %X\n", new_bp->index, value);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1379 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1380 case 'c':
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1381 puts("Continuing");
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1382 debugging = 0;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1383 break;
372 5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1384 case 'd':
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1385 if (input_buf[1] == 'i') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1386 char format_char = 0;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1387 for(int i = 2; input_buf[i] != 0 && input_buf[i] != ' '; i++) {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1388 if (input_buf[i] == '/') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1389 format_char = input_buf[i+1];
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1390 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1391 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1392 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1393 param = find_param(input_buf);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1394 if (!param) {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1395 fputs("display command requires a parameter\n", stderr);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1396 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1397 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1398 zdebugger_print(context, format_char, param);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1399 add_display(&zdisplays, &zdisp_index, format_char, param);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1400 } else if (input_buf[1] == 'e' \|\| input_buf[1] == ' ') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1401 param = find_param(input_buf);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1402 if (!param) {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1403 fputs("delete command requires a parameter\n", stderr);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1404 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1405 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1406 if (param[0] >= '0' && param[0] <= '9') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1407 value = atoi(param);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1408 this_bp = find_breakpoint_idx(&zbreakpoints, value);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1409 if (!*this_bp) {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1410 fprintf(stderr, "Breakpoint %d does not exist\n", value);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1411 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1412 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1413 new_bp = *this_bp;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1414 zremove_breakpoint(context, new_bp->address);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1415 *this_bp = new_bp->next;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1416 free(new_bp);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1417 } else if (param[0] == 'd') {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1418 param = find_param(param);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1419 if (!param) {
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1420 fputs("delete display command requires a parameter\n", stderr);
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1421 break;
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1422 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1423 remove_display(&zdisplays, atoi(param));
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1424 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1425 }
5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1426 break;
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1427 case 'n':
392 1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1428 //TODO: Handle conditional branch instructions
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1429 if (inst.op == Z80_JP) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1430 if (inst.addr_mode == Z80_IMMED) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1431 after = inst.immed;
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1432 } else if (inst.ea_reg == Z80_HL) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1433 after = context->regs[Z80_H] << 8 \| context->regs[Z80_L];
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1434 } else if (inst.ea_reg == Z80_IX) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1435 after = context->regs[Z80_IXH] << 8 \| context->regs[Z80_IXL];
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1436 } else if (inst.ea_reg == Z80_IY) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1437 after = context->regs[Z80_IYH] << 8 \| context->regs[Z80_IYL];
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1438 }
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1439 } else if(inst.op == Z80_JR) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1440 after += inst.immed;
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1441 } else if(inst.op == Z80_RET) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1442 if (context->sp < 0x4000) {
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1443 after = z80_ram[context->sp & 0x1FFF] \| z80_ram[(context->sp+1) & 0x1FFF] << 8;
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1444 }
1b80b90399da Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 380 diff changeset	1445 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1446 zinsert_breakpoint(context, after, (uint8_t *)zdebugger);
368 c9d2a2371f5e Make the n command in the Z80 debugger actually run the next instruction without needing a c command Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	1447 debugging = 0;
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1448 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1449 case 'p':
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1450 param = find_param(input_buf);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1451 if (!param) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1452 fputs("p command requires a parameter\n", stderr);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1453 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1454 }
372 5dcf7551bb36 Bunch of Z80 debugger improvements Mike Pavone <pavone@retrodev.com> parents: 368 diff changeset	1455 zdebugger_print(context, input_buf[1] == '/' ? input_buf[2] : 0, param);
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1456 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1457 case 'q':
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1458 puts("Quitting");
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1459 exit(0);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1460 break;
395 0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1461 case 's': {
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1462 param = find_param(input_buf);
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1463 if (!param) {
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1464 fputs("s command requires a file name\n", stderr);
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1465 break;
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1466 }
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1467 FILE * f = fopen(param, "wb");
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1468 if (f) {
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1469 if(fwrite(z80_ram, 1, sizeof(z80_ram), f) != sizeof(z80_ram)) {
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1470 fputs("Error writing file\n", stderr);
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1471 }
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1472 fclose(f);
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1473 } else {
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1474 fprintf(stderr, "Could not open %s for writing\n", param);
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1475 }
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1476 break;
0b5f93358a93 Add debugger command for saving Z80 RAM to a file Mike Pavone <pavone@retrodev.com> parents: 392 diff changeset	1477 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1478 default:
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1479 fprintf(stderr, "Unrecognized debugger command %s\n", input_buf);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1480 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1481 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1482 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1483 return context;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1484 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1485
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1486 m68k_context * debugger(m68k_context * context, uint32_t address)
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1487 {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1488 static char last_cmd[1024];
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1489 char input_buf[1024];
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1490 static uint32_t branch_t;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1491 static uint32_t branch_f;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1492 m68kinst inst;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1493 //probably not necessary, but let's play it safe
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1494 address &= 0xFFFFFF;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1495 if (address == branch_t) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1496 bp_def ** f_bp = find_breakpoint(&breakpoints, branch_f);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1497 if (!*f_bp) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1498 remove_breakpoint(context, branch_f);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1499 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1500 branch_t = branch_f = 0;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1501 } else if(address == branch_f) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1502 bp_def ** t_bp = find_breakpoint(&breakpoints, branch_t);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1503 if (!*t_bp) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1504 remove_breakpoint(context, branch_t);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1505 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1506 branch_t = branch_f = 0;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1507 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1508 //Check if this is a user set breakpoint, or just a temporary one
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1509 bp_def ** this_bp = find_breakpoint(&breakpoints, address);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1510 if (*this_bp) {
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1511 printf("68K Breakpoint %d hit\n", (*this_bp)->index);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1512 } else {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1513 remove_breakpoint(context, address);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1514 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1515 uint16_t * pc;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1516 if (address < 0x400000) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1517 pc = cart + address/2;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1518 } else if(address > 0xE00000) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1519 pc = ram + (address & 0xFFFF)/2;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1520 } else {
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1521 fprintf(stderr, "Entered 68K debugger at address %X\n", address);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1522 exit(1);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1523 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1524 uint16_t * after_pc = m68k_decode(pc, &inst, address);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1525 m68k_disasm(&inst, input_buf);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1526 printf("%X: %s\n", address, input_buf);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1527 uint32_t after = address + (after_pc-pc)*2;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1528 int debugging = 1;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1529 while (debugging) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1530 fputs(">", stdout);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1531 if (!fgets(input_buf, sizeof(input_buf), stdin)) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1532 fputs("fgets failed", stderr);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1533 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1534 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1535 strip_nl(input_buf);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1536 //hitting enter repeats last command
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1537 if (input_buf[0]) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1538 strcpy(last_cmd, input_buf);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1539 } else {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1540 strcpy(input_buf, last_cmd);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1541 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1542 char * param;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1543 char format[8];
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1544 uint32_t value;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1545 bp_def * new_bp;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1546 switch(input_buf[0])
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1547 {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1548 case 'c':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1549 puts("Continuing");
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1550 debugging = 0;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1551 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1552 case 'b':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1553 param = find_param(input_buf);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1554 if (!param) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1555 fputs("b command requires a parameter\n", stderr);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1556 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1557 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1558 value = strtol(param, NULL, 16);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1559 insert_breakpoint(context, value, (uint8_t *)debugger);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1560 new_bp = malloc(sizeof(bp_def));
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1561 new_bp->next = breakpoints;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1562 new_bp->address = value;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1563 new_bp->index = bp_index++;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1564 breakpoints = new_bp;
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1565 printf("68K Breakpoint %d set at %X\n", new_bp->index, value);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1566 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1567 case 'a':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1568 param = find_param(input_buf);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1569 if (!param) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1570 fputs("a command requires a parameter\n", stderr);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1571 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1572 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1573 value = strtol(param, NULL, 16);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1574 insert_breakpoint(context, value, (uint8_t *)debugger);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1575 debugging = 0;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1576 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1577 case 'd':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1578 param = find_param(input_buf);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1579 if (!param) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1580 fputs("b command requires a parameter\n", stderr);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1581 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1582 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1583 value = atoi(param);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1584 this_bp = find_breakpoint_idx(&breakpoints, value);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1585 if (!*this_bp) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1586 fprintf(stderr, "Breakpoint %d does not exist\n", value);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1587 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1588 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1589 new_bp = *this_bp;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1590 this_bp = (this_bp)->next;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1591 free(new_bp);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1592 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1593 case 'p':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1594 strcpy(format, "%s: %d\n");
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1595 if (input_buf[1] == '/') {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1596 switch (input_buf[2])
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1597 {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1598 case 'x':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1599 case 'X':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1600 case 'd':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1601 case 'c':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1602 format[5] = input_buf[2];
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1603 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1604 default:
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1605 fprintf(stderr, "Unrecognized format character: %c\n", input_buf[2]);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1606 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1607 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1608 param = find_param(input_buf);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1609 if (!param) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1610 fputs("p command requires a parameter\n", stderr);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1611 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1612 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1613 if (param[0] == 'd' && param[1] >= '0' && param[1] <= '7') {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1614 value = context->dregs[param[1]-'0'];
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1615 } else if (param[0] == 'a' && param[1] >= '0' && param[1] <= '7') {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1616 value = context->aregs[param[1]-'0'];
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1617 } else if (param[0] == 'S' && param[1] == 'R') {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1618 value = (context->status << 8);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1619 for (int flag = 0; flag < 5; flag++) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1620 value \|= context->flags[flag] << (4-flag);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1621 }
185 b204fbed4efe Add ability to print out current 68K cycle in debugger Mike Pavone <pavone@retrodev.com> parents: 184 diff changeset	1622 } else if(param[0] == 'c') {
b204fbed4efe Add ability to print out current 68K cycle in debugger Mike Pavone <pavone@retrodev.com> parents: 184 diff changeset	1623 value = context->current_cycle;
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1624 } else if (param[0] == '0' && param[1] == 'x') {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1625 uint32_t p_addr = strtol(param+2, NULL, 16);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1626 value = read_dma_value(p_addr/2);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1627 } else {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1628 fprintf(stderr, "Unrecognized parameter to p: %s\n", param);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1629 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1630 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1631 printf(format, param, value);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1632 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1633 case 'n':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1634 //TODO: Deal with jmp, dbcc, rtr and rte
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1635 if (inst.op == M68K_RTS) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1636 after = (read_dma_value(context->aregs[7]/2) << 16) \| read_dma_value(context->aregs[7]/2 + 1);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1637 } else if(inst.op == M68K_BCC && inst.extra.cond != COND_FALSE) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1638 if (inst.extra.cond = COND_TRUE) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1639 after = inst.address + 2 + inst.src.params.immed;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1640 } else {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1641 branch_f = after;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1642 branch_t = inst.address + 2 + inst.src.params.immed;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1643 insert_breakpoint(context, branch_t, (uint8_t *)debugger);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1644 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1645 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1646 insert_breakpoint(context, after, (uint8_t *)debugger);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1647 debugging = 0;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1648 break;
327 1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1649 case 'v': {
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1650 genesis_context * gen = context->system;
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1651 //VDP debug commands
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1652 switch(input_buf[1])
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1653 {
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1654 case 's':
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1655 vdp_print_sprite_table(gen->vdp);
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1656 break;
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1657 case 'r':
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1658 vdp_print_reg_explain(gen->vdp);
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1659 break;
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1660 }
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1661 break;
1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 321 diff changeset	1662 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1663 case 'z': {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1664 genesis_context * gen = context->system;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1665 //Z80 debug commands
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1666 switch(input_buf[1])
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1667 {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1668 case 'b':
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1669 param = find_param(input_buf);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1670 if (!param) {
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1671 fputs("zb command requires a parameter\n", stderr);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1672 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1673 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1674 value = strtol(param, NULL, 16);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1675 zinsert_breakpoint(gen->z80, value, (uint8_t *)zdebugger);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1676 new_bp = malloc(sizeof(bp_def));
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1677 new_bp->next = zbreakpoints;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1678 new_bp->address = value;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1679 new_bp->index = zbp_index++;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1680 zbreakpoints = new_bp;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1681 printf("Z80 Breakpoint %d set at %X\n", new_bp->index, value);
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1682 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1683 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1684 break;
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	1685 }
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1686 case 'q':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1687 puts("Quitting");
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1688 exit(0);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1689 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1690 default:
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1691 fprintf(stderr, "Unrecognized debugger command %s\n", input_buf);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1692 break;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1693 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1694 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1695 return context;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1696 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1697
351 2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1698 #define ROM_END 0x1A4
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1699 #define RAM_ID 0x1B0
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1700 #define RAM_FLAGS 0x1B2
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1701 #define RAM_START 0x1B4
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1702 #define RAM_END 0x1B8
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1703 #define MAX_MAP_CHUNKS (4+7+1)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1704 #define RAM_FLAG_MASK 0x1800
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1705
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1706 const memmap_chunk static_map[] = {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1707 {0, 0x400000, 0xFFFFFF, 0, MMAP_READ, cart,
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1708 NULL, NULL, NULL, NULL},
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1709 {0xE00000, 0x1000000, 0xFFFF, 0, MMAP_READ \| MMAP_WRITE \| MMAP_CODE, ram,
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1710 NULL, NULL, NULL, NULL},
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1711 {0xC00000, 0xE00000, 0x1FFFFF, 0, 0, NULL,
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1712 (read_16_fun)vdp_port_read, (write_16_fun)vdp_port_write,
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1713 (read_8_fun)vdp_port_read_b, (write_8_fun)vdp_port_write_b},
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1714 {0xA00000, 0xA12000, 0x1FFFF, 0, 0, NULL,
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1715 (read_16_fun)io_read_w, (write_16_fun)io_write_w,
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1716 (read_8_fun)io_read, (write_8_fun)io_write}
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1717 };
351 2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1718
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1719 char * sram_filename;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1720 genesis_context * genesis;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1721 void save_sram()
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1722 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1723 FILE * f = fopen(sram_filename, "wb");
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1724 if (!f) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1725 fprintf(stderr, "Failed to open SRAM file %s for writing\n", sram_filename);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1726 return;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1727 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1728 uint32_t size = genesis->save_ram_mask+1;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1729 if (genesis->save_flags != RAM_FLAG_BOTH) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1730 size/= 2;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1731 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1732 fwrite(genesis->save_ram, 1, size, f);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1733 fclose(f);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1734 printf("Saved SRAM to %s\n", sram_filename);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1735 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1736
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1737 void init_run_cpu(genesis_context * gen, int debug, FILE * address_log)
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1738 {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1739 m68k_context context;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1740 x86_68k_options opts;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1741 gen->m68k = &context;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1742 memmap_chunk memmap[MAX_MAP_CHUNKS];
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1743 uint32_t num_chunks;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1744 void * initial_mapped = NULL;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1745 gen->save_ram = NULL;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1746 //TODO: Handle carts larger than 4MB
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1747 //TODO: Handle non-standard mappers
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1748 uint32_t size;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1749 if ((cart[RAM_ID/2] & 0xFF) == 'A' && (cart[RAM_ID/2] >> 8) == 'R') {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1750 //Cart has save RAM
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1751 uint32_t rom_end = ((cart[ROM_END/2] << 16) \| cart[ROM_END/2+1]) + 1;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1752 uint32_t ram_start = (cart[RAM_START/2] << 16) \| cart[RAM_START/2+1];
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1753 uint32_t ram_end = (cart[RAM_END/2] << 16) \| cart[RAM_END/2+1];
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1754 uint16_t ram_flags = cart[RAM_FLAGS/2];
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1755 gen->save_flags = ram_flags & RAM_FLAG_MASK;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1756 memset(memmap, 0, sizeof(memmap_chunk)*2);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1757 if (ram_start >= rom_end) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1758 memmap[0].end = rom_end;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1759 memmap[0].mask = 0xFFFFFF;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1760 memmap[0].flags = MMAP_READ;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1761 memmap[0].buffer = cart;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1762
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1763 ram_start &= 0xFFFFFE;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1764 ram_end \|= 1;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1765 memmap[1].start = ram_start;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1766 gen->save_ram_mask = memmap[1].mask = ram_end-ram_start;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1767 ram_end += 1;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1768 memmap[1].end = ram_end;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1769 memmap[1].flags = MMAP_READ \| MMAP_WRITE;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1770 size = ram_end-ram_start;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1771 if ((ram_flags & RAM_FLAG_MASK) == RAM_FLAG_ODD) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1772 memmap[1].flags \|= MMAP_ONLY_ODD;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1773 size /= 2;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1774 } else if((ram_flags & RAM_FLAG_MASK) == RAM_FLAG_EVEN) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1775 memmap[1].flags \|= MMAP_ONLY_EVEN;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1776 size /= 2;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1777 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1778 memmap[1].buffer = gen->save_ram = malloc(size);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1779
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1780 memcpy(memmap+2, static_map+1, sizeof(static_map)-sizeof(static_map[0]));
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1781 num_chunks = sizeof(static_map)/sizeof(memmap_chunk)+1;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1782 } else {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1783 //Assume the standard Sega mapper for now
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1784 memmap[0].end = 0x200000;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1785 memmap[0].mask = 0xFFFFFF;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1786 memmap[0].flags = MMAP_READ;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1787 memmap[0].buffer = cart;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1788
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1789 memmap[1].start = 0x200000;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1790 memmap[1].end = 0x400000;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1791 memmap[1].mask = 0x1FFFFF;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1792 ram_start &= 0xFFFFFE;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1793 ram_end \|= 1;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1794 gen->save_ram_mask = ram_end-ram_start;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1795 memmap[1].flags = MMAP_READ \| MMAP_PTR_IDX \| MMAP_FUNC_NULL;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1796 memmap[1].ptr_index = 2;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1797 memmap[1].read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[2] == NULL
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1798 memmap[1].read_8 = (read_8_fun)read_sram_b;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1799 memmap[1].write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1800 memmap[1].write_8 = (write_8_fun)write_sram_area_b;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1801 memcpy(memmap+2, static_map+1, sizeof(static_map)-sizeof(static_map[0]));
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1802 num_chunks = sizeof(static_map)/sizeof(memmap_chunk)+1;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1803 memset(memmap+num_chunks, 0, sizeof(memmap[num_chunks]));
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1804 memmap[num_chunks].start = 0xA13000;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1805 memmap[num_chunks].end = 0xA13100;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1806 memmap[num_chunks].mask = 0xFF;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1807 memmap[num_chunks].write_16 = (write_16_fun)write_bank_reg_w;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1808 memmap[num_chunks].write_8 = (write_8_fun)write_bank_reg_b;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1809 num_chunks++;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1810 ram_end++;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1811 size = ram_end-ram_start;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1812 if ((ram_flags & RAM_FLAG_MASK) != RAM_FLAG_BOTH) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1813 size /= 2;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1814 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1815 gen->save_ram = malloc(size);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1816 memmap[1].buffer = initial_mapped = cart + 0x200000/2;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1817 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1818 } else {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1819 memcpy(memmap, static_map, sizeof(static_map));
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1820 num_chunks = sizeof(static_map)/sizeof(memmap_chunk);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1821 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1822 if (gen->save_ram) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1823 memset(gen->save_ram, 0, size);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1824 FILE * f = fopen(sram_filename, "rb");
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1825 if (f) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1826 uint32_t read = fread(gen->save_ram, 1, size, f);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1827 fclose(f);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1828 if (read > 0) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1829 printf("Loaded SRAM from %s\n", sram_filename);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1830 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1831 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1832 atexit(save_sram);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1833 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1834 init_x86_68k_opts(&opts, memmap, num_chunks);
211 464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1835 opts.address_log = address_log;
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1836 init_68k_context(&context, opts.native_code_map, &opts);
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1837
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	1838 context.video_context = gen->vdp;
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	1839 context.system = gen;
211 464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1840 //cartridge ROM
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1841 context.mem_pointers[0] = cart;
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	1842 context.target_cycle = context.sync_cycle = mclks_per_frame/MCLKS_PER_68K;
211 464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1843 //work RAM
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1844 context.mem_pointers[1] = ram;
351 2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1845 //save RAM/map
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1846 context.mem_pointers[2] = initial_mapped;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	1847 context.mem_pointers[3] = (uint16_t *)gen->save_ram;
211 464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1848 uint32_t address;
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1849 address = cart[2] << 16 \| cart[3];
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1850 translate_m68k_stream(address, &context);
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1851 if (debug) {
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1852 insert_breakpoint(&context, address, (uint8_t *)debugger);
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1853 }
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1854 m68k_reset(&context);
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1855 }
464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	1856
340 58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1857 char title[64];
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1858
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1859 #define TITLE_START 0x150
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1860 #define TITLE_END (TITLE_START+48)
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1861
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1862 void update_title()
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1863 {
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1864 uint16_t *last = cart + TITLE_END/2 - 1;
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1865 while(last > cart + TITLE_START/2 && *last == 0x2020)
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1866 {
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1867 last--;
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1868 }
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1869 uint16_t *start = cart + TITLE_START/2;
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1870 char *cur = title;
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1871 char last_char = ' ';
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1872 for (; start != last; start++)
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1873 {
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1874 if ((last_char != ' ' \|\| (start >> 8) != ' ') && (start >> 8) < 0x80) {
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1875 (cur++) = start >> 8;
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1876 last_char = *start >> 8;
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1877 }
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1878 if (last_char != ' ' \|\| (start & 0xFF) != ' ' && (start & 0xFF) < 0x80) {
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1879 (cur++) = start;
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1880 last_char = *start & 0xFF;
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1881 }
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1882 }
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1883 (cur++) = start >> 8;
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1884 if ((*start & 0xFF) != ' ') {
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1885 (cur++) = start;
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1886 }
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1887 strcpy(cur, " - BlastEm");
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1888 }
58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1889
341 6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1890 #define REGION_START 0x1F0
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1891
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1892 int detect_specific_region(char region)
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1893 {
346 aff29d50afd5 Fix a region detection bug Mike Pavone <pavone@retrodev.com> parents: 345 diff changeset	1894 return (cart[REGION_START/2] & 0xFF) == region \|\| (cart[REGION_START/2] >> 8) == region \|\| (cart[REGION_START/2+1] & 0xFF) == region;
341 6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1895 }
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1896
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1897 void detect_region()
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1898 {
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1899 if (detect_specific_region('U')\|\| detect_specific_region('B') \|\| detect_specific_region('4')) {
341 6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1900 version_reg = NO_DISK \| USA;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1901 } else if (detect_specific_region('J')) {
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1902 version_reg = NO_DISK \| JAP;
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	1903 } else if (detect_specific_region('E') \|\| detect_specific_region('A')) {
341 6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1904 version_reg = NO_DISK \| EUR;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1905 }
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1906 }
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1907
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1908 int main(int argc, char ** argv)
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1909 {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1910 if (argc < 2) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1911 fputs("Usage: blastem FILENAME\n", stderr);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1912 return 1;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1913 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1914 if(!load_rom(argv[1])) {
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1915 fprintf(stderr, "Failed to open %s for reading\n", argv[1]);
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1916 return 1;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1917 }
341 6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1918 detect_region();
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1919 int width = -1;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1920 int height = -1;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1921 int debug = 0;
407 c3abc4ada43d Add support for logging YM2612 channels to WAVE files Mike Pavone <pavone@retrodev.com> parents: 405 diff changeset	1922 int ym_log = 0;
197 7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler Mike Pavone <pavone@retrodev.com> parents: 195 diff changeset	1923 FILE *address_log = NULL;
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1924 for (int i = 2; i < argc; i++) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1925 if (argv[i][0] == '-') {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1926 switch(argv[i][1]) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1927 case 'd':
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1928 debug = 1;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1929 break;
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 336 diff changeset	1930 case 'f':
356 79e4b466e7d0 Get rid of debug puts and limit based on audio rather than frame rate by default. Mike Pavone <pavone@retrodev.com> parents: 354 diff changeset	1931 frame_limit = 1;
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 336 diff changeset	1932 break;
197 7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler Mike Pavone <pavone@retrodev.com> parents: 195 diff changeset	1933 case 'l':
7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler Mike Pavone <pavone@retrodev.com> parents: 195 diff changeset	1934 address_log = fopen("address.log", "w");
7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler Mike Pavone <pavone@retrodev.com> parents: 195 diff changeset	1935 break;
215 2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	1936 case 'v':
2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	1937 headless = 1;
2b1c2c28b261 Added headless flag to avoid initializing SDL and opening a window when running tests. Mike Pavone <pavone@retrodev.com> parents: 211 diff changeset	1938 break;
265 c6d12878ea93 Add -n flag for disabling the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	1939 case 'n':
c6d12878ea93 Add -n flag for disabling the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	1940 z80_enabled = 0;
c6d12878ea93 Add -n flag for disabling the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	1941 break;
341 6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1942 case 'r':
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1943 i++;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1944 if (i >= argc) {
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1945 fputs("-r must be followed by region (J, U or E)\n", stderr);
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1946 return 1;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1947 }
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1948 switch (argv[i][0])
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1949 {
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1950 case 'j':
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1951 case 'J':
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1952 version_reg = NO_DISK \| JAP;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1953 break;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1954 case 'u':
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1955 case 'U':
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1956 version_reg = NO_DISK \| USA;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1957 break;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1958 case 'e':
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1959 case 'E':
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1960 version_reg = NO_DISK \| EUR;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1961 break;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1962 default:
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1963 fprintf(stderr, "'%c' is not a valid region character for the -r option\n", argv[i][0]);
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1964 return 1;
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1965 }
6ad8e36de685 Support regions other than USA Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	1966 break;
407 c3abc4ada43d Add support for logging YM2612 channels to WAVE files Mike Pavone <pavone@retrodev.com> parents: 405 diff changeset	1967 case 'y':
c3abc4ada43d Add support for logging YM2612 channels to WAVE files Mike Pavone <pavone@retrodev.com> parents: 405 diff changeset	1968 ym_log = 1;
c3abc4ada43d Add support for logging YM2612 channels to WAVE files Mike Pavone <pavone@retrodev.com> parents: 405 diff changeset	1969 break;
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1970 default:
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1971 fprintf(stderr, "Unrecognized switch %s\n", argv[i]);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1972 return 1;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1973 }
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1974 } else if (width < 0) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1975 width = atoi(argv[i]);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1976 } else if (height < 0) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1977 height = atoi(argv[i]);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1978 }
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1979 }
340 58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	1980 update_title();
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1981 width = width < 320 ? 320 : width;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 166 diff changeset	1982 height = height < 240 ? (width/320) * 240 : height;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	1983 uint32_t fps = 60;
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	1984 if (version_reg & 0x40) {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	1985 mclks_per_frame = MCLKS_LINE * LINES_PAL;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	1986 fps = 50;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	1987 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	1988 if (!headless) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	1989 render_init(width, height, title, fps);
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	1990 }
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1991 vdp_context v_context;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1992
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	1993 init_vdp_context(&v_context);
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	1994
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	1995 ym2612_context y_context;
407 c3abc4ada43d Add support for logging YM2612 channels to WAVE files Mike Pavone <pavone@retrodev.com> parents: 405 diff changeset	1996 ym_init(&y_context, render_sample_rate(), fps == 60 ? MCLKS_NTSC : MCLKS_PAL, MCLKS_PER_YM, render_audio_buffer(), ym_log ? YM_OPT_WAVE_LOG : 0);
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	1997
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	1998 psg_context p_context;
380 1c8d74f2ab0b Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run. Mike Pavone <pavone@retrodev.com> parents: 374 diff changeset	1999 psg_init(&p_context, render_sample_rate(), fps == 60 ? MCLKS_NTSC : MCLKS_PAL, MCLKS_PER_PSG, render_audio_buffer());
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	2000
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	2001 z80_context z_context;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	2002 x86_z80_options z_opts;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	2003 init_x86_z80_opts(&z_opts);
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	2004 init_z80_context(&z_context, &z_opts);
290 171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	2005
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	2006 genesis_context gen;
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	2007
171f97e70d85 Implement writes from Z80 to YM-2612 Mike Pavone <pavone@retrodev.com> parents: 289 diff changeset	2008 z_context.system = &gen;
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	2009 z_context.mem_pointers[0] = z80_ram;
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 341 diff changeset	2010 z_context.sync_cycle = z_context.target_cycle = mclks_per_frame/MCLKS_PER_Z80;
260 625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	2011 z_context.int_cycle = CYCLE_NEVER;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	2012 z_context.mem_pointers[1] = z_context.mem_pointers[2] = (uint8_t *)cart;
625f8e4d5fd2 Initial stab at integartiong Z80 core Mike Pavone <pavone@retrodev.com> parents: 215 diff changeset	2013
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	2014 gen.z80 = &z_context;
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	2015 gen.vdp = &v_context;
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	2016 gen.ym = &y_context;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 351 diff changeset	2017 gen.psg = &p_context;
351 2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2018 genesis = &gen;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2019
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2020 int fname_size = strlen(argv[1]);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2021 sram_filename = malloc(fname_size+6);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2022 memcpy(sram_filename, argv[1], fname_size);
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2023 int i;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2024 for (i = fname_size-1; fname_size >= 0; --i) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2025 if (sram_filename[i] == '.') {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2026 strcpy(sram_filename + i + 1, "sram");
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2027 break;
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2028 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2029 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2030 if (i < 0) {
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2031 strcpy(sram_filename + fname_size, ".sram");
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper. Mike Pavone <pavone@retrodev.com> parents: 346 diff changeset	2032 }
398 c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 395 diff changeset	2033 set_keybindings();
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	2034
a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 280 diff changeset	2035 init_run_cpu(&gen, debug, address_log);
88 c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	2036 return 0;
c339559f1d4f Forgot to add blastem main file earlier Mike Pavone <pavone@retrodev.com> parents: diff changeset	2037 }

Mercurial > repos > blastem

annotate blastem.c @ 412:00d5a2b532f4