repos/blastem: xband.c annotate

annotate xband.c @ 1229:a8313793216a

Minor xband fixes

author	Michael Pavone <pavone@retrodev.com>
date	Thu, 23 Feb 2017 22:09:34 -0800
parents	2e6dcb5c11a2
children	0ed27bb6a658

rev	line source
1228 2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 #include <stdlib.h>
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 #include <stddef.h>
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 #include <string.h>
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 #include "romdb.h"
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 #include "genesis.h"
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 #include "tern.h"
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	7 #include "xband.h"
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	8 #include "util.h"
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	9
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	10 #define BIT_ROM_HI 4
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	11
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	12 uint8_t xband_detect(uint8_t *rom, uint32_t rom_size)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	13 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	14 //Internal ROM is 512KB, accept larger ones for overdumps and custom firmware
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	15 if (rom_size < (512*1024)) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	16 return 0;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	17 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	18
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	19 //ROM has no standard header, but does have a jump at $100
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	20 if (rom[0x100] != 0x4E \|\| rom[0x101] != 0xF9) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	21 return 0;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	22 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	23
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	24 //product ID is all NULL
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	25 for (int i = GAME_ID_OFF; i <= (GAME_ID_OFF + GAME_ID_LEN); i++)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	26 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	27 if (rom[i]) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	28 return 0;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	29 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	30 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	31 return 1;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	32 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	33
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	34 static xband get_xband(genesis_context gen)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	35 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	36 if (!gen->extra) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	37 gen->extra = gen->m68k->options->gen.memmap[0].buffer;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	38 gen->m68k->mem_pointers[2] = (uint16_t *)gen->save_storage;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	39 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	40 return gen->extra;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	41 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	42
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	43 static void update_control(genesis_context *gen, uint8_t value)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	44 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	45 xband *x = gen->extra;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	46 if ((x->control ^ value) & BIT_ROM_HI) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	47 if (value & BIT_ROM_HI) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	48 gen->m68k->mem_pointers[0] = (uint16_t *)gen->save_storage;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 gen->m68k->mem_pointers[1] = NULL;
1229 a8313793216a Minor xband fixes Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	50 gen->m68k->mem_pointers[2] = gen->cart;
1228 2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	51 gen->m68k->mem_pointers[3] = x->cart_space - 0x100000;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	52 } else {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	53 gen->m68k->mem_pointers[0] = x->cart_space;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	54 gen->m68k->mem_pointers[1] = x->cart_space;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	55 gen->m68k->mem_pointers[2] = (uint16_t *)gen->save_storage;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	56 gen->m68k->mem_pointers[3] = NULL;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	57 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	58 m68k_invalidate_code_range(gen->m68k, 0, 0x3BC000);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	59 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	60 x->control = value;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	61 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	62
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	63 static void xband_write_b(uint32_t address, void context, uint8_t value)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	64 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	65 m68k_context *m68k = context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	66 genesis_context *gen = m68k->system;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	67 xband *x = get_xband(gen);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	68 if (address == 0x181) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	69 x->kill = value;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	70 printf("Write to \"soft\" kill register %X\n", value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	71 } else if (address == 0x183) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	72 update_control(gen, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	73 printf("Write to \"soft\" control register %X\n", value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	74 } else if ((x->control & BIT_ROM_HI && address < 0x200000) \|\| (address >= 0x200000 && !(x->control & BIT_ROM_HI))) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	75 gen->save_storage[(address & 0xFFFF) ^ 1] = value;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	76 m68k_handle_code_write(address, m68k);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	77 //TODO: handle code at mirror addresses
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	78 } else {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	79 printf("Unhandled write to cartridge area %X: %X\n", address, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	80 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	81 return context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	82 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	83
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	84 static void xband_write_hi_b(uint32_t address, void context, uint8_t value)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	85 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	86 return xband_write_b(address \| 0x200000, context, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	87 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	88
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	89 static void xband_write_w(uint32_t address, void context, uint16_t value)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	90 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	91 m68k_context *m68k = context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	92 genesis_context *gen = m68k->system;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	93 xband *x = get_xband(gen);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	94 if (address == 0x180 \|\| address == 0x182) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	95 return xband_write_b(address \| 1, context, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	96 } else if ((x->control & BIT_ROM_HI && address < 0x200000) \|\| (address >= 0x200000 && !(x->control & BIT_ROM_HI))) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	97 gen->save_storage[address & 0xFFFE] = value;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	98 gen->save_storage[(address & 0xFFFE) \| 1] = value >> 8;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	99 m68k_handle_code_write(address, m68k);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	100 //TODO: handle code at mirror addresses
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	101 return context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	102 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	103 printf("Unhandled write to %X: %X\n", address, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	104 return context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	105 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	106
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	107 static void xband_write_hi_w(uint32_t address, void context, uint16_t value)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	108 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	109 return xband_write_w(address \| 0x200000, context, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	110 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	111
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	112 static uint16_t xband_read_w(uint32_t address, void *context)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	113 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	114 m68k_context *m68k = context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	115 genesis_context *gen = m68k->system;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	116 xband *x = get_xband(gen);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	117 //TODO: actually do something intelligent here
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	118 return x->cart_space[address >> 1];
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	119 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	120
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	121 static uint16_t xband_read_hi_w(uint32_t address, void *context)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	122 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	123 return xband_read_w(address \| 0x200000, context);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	124 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	125
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	126 static uint8_t xband_read_b(uint32_t address, void *context)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	127 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	128 uint16_t val = xband_read_w(address, context);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	129 return address & 1 ? val : val >> 8;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	130 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	131
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	132 static uint8_t xband_read_hi_b(uint32_t address, void *context)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	133 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	134 return xband_read_b(address \| 0x200000, context);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	135 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	136
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	137 static void xband_reg_write_b(uint32_t address, void context, uint8_t value)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	138 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	139 m68k_context *m68k = context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	140 genesis_context *gen = m68k->system;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	141 if (!(address & 1)) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	142 printf("Ignoring write to even address %X: %X\n", address, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	143 return context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	144 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	145 xband *x = get_xband(gen);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	146 if (address < 0x3BFE00) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	147 uint32_t offset = (address - 0x3BC001) / 2;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	148 if (offset < XBAND_REGS) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	149 x->regs[offset] = value;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	150 printf("Write to register %X: %X\n", address, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	151 } else {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	152 printf("Unhandled register write %X: %X\n", address, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	153 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	154 } else {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	155 if (address == 0x3BFE01) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	156 x->kill = value;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	157 printf("Write to kill register %X\n", value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	158 } else if (address == 0x3BFE03) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	159 update_control(gen, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	160 printf("Write to control register %X\n", value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	161 } else {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	162 printf("Unhandled register write %X: %X\n", address, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	163 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	164 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	165 return context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	166 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	167
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	168 static void xband_reg_write_w(uint32_t address, void context, uint16_t value)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	169 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	170 return xband_reg_write_b(address \| 1, context, value);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	171 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	172
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	173 static uint8_t xband_reg_read_b(uint32_t address, void *context)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	174 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	175 m68k_context *m68k = context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	176 genesis_context *gen = m68k->system;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	177 if (!(address & 1)) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	178 printf("Read from even address %X\n", address);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	179 return gen->header.get_open_bus_value(&gen->header) >> 8;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	180 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	181 xband *x = get_xband(gen);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	182 if (address < 0x3BFE00) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	183 uint32_t offset = (address - 0x3BC001) / 2;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	184 if (offset < XBAND_REGS) {
1229 a8313793216a Minor xband fixes Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	185 printf("Regsister read: %X\n", address);
1228 2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	186 return x->regs[offset];
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	187 } else {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	188 printf("Unhandled register read from address %X\n", address);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	189 return 0x5D;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	190 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	191 } else {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	192 if (address == 0x3BFE01) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	193 return x->kill;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	194 } else if (address == 0x3BFE03) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	195 return x->control;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	196 } else {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	197 printf("Unhandled register read from address %X\n", address);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	198 return 0x5D;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	199 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	200 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	201 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	202
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	203 static uint16_t xband_reg_read_w(uint32_t address, void *context)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	204 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	205 m68k_context *m68k = context;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	206 genesis_context *gen = m68k->system;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	207 uint16_t value = xband_reg_read_b(address \| 1, context);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	208 value \|= gen->header.get_open_bus_value(&gen->header) & 0xFF00;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	209 return value;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	210 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	211
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	212 rom_info xband_configure_rom(tern_node rom_db, void rom, uint32_t rom_size, void lock_on, uint32_t lock_on_size, memmap_chunk const base_map, uint32_t base_chunks)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	213 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	214 rom_info info;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	215 if (lock_on && lock_on_size) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	216 rom_info lock_on_info = configure_rom(rom_db, lock_on, lock_on_size, NULL, 0, base_map, base_chunks);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	217 info.name = alloc_concat("XBAND - ", lock_on_info.name);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	218 info.regions = lock_on_info.regions;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	219 //TODO: Move this to a shared function in romdbc.h
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	220 free(lock_on_info.name);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	221 if (lock_on_info.save_type != SAVE_NONE) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	222 free(lock_on_info.save_buffer);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	223 if (lock_on_info.save_type == SAVE_I2C) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	224 free(lock_on_info.eeprom_map);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	225 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	226 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	227 free(lock_on_info.map);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	228 free(lock_on_info.port1_override);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	229 free(lock_on_info.port2_override);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	230 free(lock_on_info.ext_override);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	231 free(lock_on_info.mouse_mode);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	232 } else {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	233 info.name = strdup("XBAND");
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	234 info.regions = REGION_J\|REGION_U\|REGION_E;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	235 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	236 info.save_size = 64*1024;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	237 info.save_buffer = malloc(info.save_size);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	238 info.save_mask = info.save_size-1;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	239 info.save_type = RAM_FLAG_BOTH;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	240 info.port1_override = info.port2_override = info.ext_override = info.mouse_mode = NULL;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	241 info.eeprom_map = NULL;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	242 info.num_eeprom = 0;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	243 xband *x = calloc(sizeof(xband), 1);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	244 rom_size = nearest_pow2(rom_size);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	245 for (int i = 0; (i + rom_size) <= sizeof(x->cart_space) / 2; i += rom_size)
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	246 {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	247 memcpy(x->cart_space + i/2, rom, rom_size);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	248 }
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	249 if (lock_on && lock_on_size >= 0x200) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	250 memcpy(x->cart_space + 0x80, ((uint16_t *)lock_on) + 0x80, 0x100);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	251 }
1229 a8313793216a Minor xband fixes Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	252 //observed power on values
a8313793216a Minor xband fixes Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	253 memset(x->regs, 0x5D, sizeof(x->regs));
a8313793216a Minor xband fixes Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	254 x->regs[0x7C] = 0;
a8313793216a Minor xband fixes Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	255 x->regs[0x7D] = 0x80;
a8313793216a Minor xband fixes Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	256 x->regs[0xB4] = 0x7F;
a8313793216a Minor xband fixes Michael Pavone <pavone@retrodev.com> parents: 1228 diff changeset	257
1228 2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	258 byteswap_rom(0x400000, x->cart_space);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	259
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	260 info.map_chunks = base_chunks + 5;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	261 info.map = calloc(sizeof(memmap_chunk), info.map_chunks);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	262 info.map[0].mask = 0xFFFFFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	263 info.map[0].aux_mask = 0xFFFFFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	264 info.map[0].flags = MMAP_READ\|MMAP_CODE\|MMAP_PTR_IDX\|MMAP_FUNC_NULL\|MMAP_AUX_BUFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	265 info.map[0].start = 0;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	266 info.map[0].end = 0x10000;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	267 info.map[0].ptr_index = 0;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	268 info.map[0].buffer = x->cart_space;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	269 info.map[0].write_16 = xband_write_w;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	270 info.map[0].write_8 = xband_write_b;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	271 info.map[0].read_16 = xband_read_w;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	272 info.map[0].read_8 = xband_read_b;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	273 info.map[1].mask = 0xFFFFFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	274 info.map[1].aux_mask = 0xFFFFFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	275 info.map[1].flags = MMAP_READ\|MMAP_CODE\|MMAP_PTR_IDX\|MMAP_FUNC_NULL\|MMAP_AUX_BUFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	276 info.map[1].start = 0x10000;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	277 info.map[1].end = 0x200000;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	278 info.map[1].ptr_index = 1;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	279 info.map[1].buffer = x->cart_space;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	280 info.map[1].write_16 = xband_write_w;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	281 info.map[1].write_8 = xband_write_b;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	282 info.map[1].read_16 = xband_read_w;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	283 info.map[1].read_8 = xband_read_b;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	284 info.map[2].mask = 0xFFFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	285 info.map[2].aux_mask = 0xFFFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	286 info.map[2].flags = MMAP_READ\|MMAP_CODE\|MMAP_PTR_IDX\|MMAP_FUNC_NULL;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	287 info.map[2].start = 0x200000;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	288 info.map[2].end = 0x210000;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	289 info.map[2].ptr_index = 2;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	290 info.map[2].buffer = NULL;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	291 info.map[2].write_16 = xband_write_hi_w;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	292 info.map[2].write_8 = xband_write_hi_b;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	293 info.map[2].read_16 = xband_read_hi_w;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	294 info.map[2].read_8 = xband_read_hi_b;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	295 info.map[3].mask = 0xFFFFFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	296 info.map[3].aux_mask = 0xFFFFFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	297 info.map[3].flags = MMAP_READ\|MMAP_CODE\|MMAP_PTR_IDX\|MMAP_FUNC_NULL;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	298 info.map[3].start = 0x210000;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	299 info.map[3].end = 0x3BC000;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	300 info.map[3].ptr_index = 3;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	301 info.map[3].buffer = NULL;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	302 info.map[3].write_16 = xband_write_w;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	303 info.map[3].write_8 = xband_write_b;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	304 info.map[3].read_16 = xband_read_w;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	305 info.map[3].read_8 = xband_read_b;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	306 info.map[4].mask = 0xFFFFFF;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	307 info.map[4].flags = MMAP_READ\|MMAP_CODE\|MMAP_PTR_IDX\|MMAP_FUNC_NULL;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	308 info.map[4].start = 0x3BC000;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	309 info.map[4].end = 0x3C0000;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	310 info.map[4].ptr_index = 4;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	311 info.map[4].write_16 = xband_reg_write_w;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	312 info.map[4].write_8 = xband_reg_write_b;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	313 info.map[4].read_16 = xband_reg_read_w;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	314 info.map[4].read_8 = xband_reg_read_b;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	315 memcpy(info.map + 5, base_map, base_chunks * sizeof(memmap_chunk));
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	316
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	317 return info;
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: diff changeset	318 }

Mercurial > repos > blastem

annotate xband.c @ 1229:a8313793216a