repos/blastem: sms.c annotate

annotate sms.c @ 1587:ea687ca7d845

Fix missing include in bindings.c

author	Michael Pavone <pavone@retrodev.com>
date	Tue, 19 Jun 2018 23:47:36 -0700
parents	430dd12e4010
children	360d5bab199f

rev	line source
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 #include <string.h>
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 #include <stdlib.h>
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 #include <stddef.h>
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 #include "sms.h"
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 #include "blastem.h"
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 #include "render.h"
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	7 #include "util.h"
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	8 #include "debug.h"
1478 da1dce39e846 Refactored save slot related logic to reduce duplication and allow reuse in new UI. Get state loading/saving mostly working in new UI Michael Pavone <pavone@retrodev.com> parents: 1433 diff changeset	9 #include "saves.h"
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	10 #include "bindings.h"
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	11
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	12 static void memory_io_write(uint32_t location, void vcontext, uint8_t value)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	13 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	14 z80_context *z80 = vcontext;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	15 sms_context *sms = z80->system;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	16 if (location & 1) {
1154 c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	17 uint8_t fuzzy_ctrl_0 = sms->io.ports[0].control, fuzzy_ctrl_1 = sms->io.ports[1].control;
1379 65f1d6558e9e Update SMS code for changes supporting slow rise time emulation in IO code Michael Pavone <pavone@retrodev.com> parents: 1377 diff changeset	18 io_control_write(sms->io.ports, (~value) << 5 & 0x60, z80->current_cycle);
1154 c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	19 fuzzy_ctrl_0 \|= sms->io.ports[0].control;
1379 65f1d6558e9e Update SMS code for changes supporting slow rise time emulation in IO code Michael Pavone <pavone@retrodev.com> parents: 1377 diff changeset	20 io_control_write(sms->io.ports+1, (~value) << 3 & 0x60, z80->current_cycle);
1154 c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	21 fuzzy_ctrl_1 \|= sms->io.ports[1].control;
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	22 if (
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	23 (fuzzy_ctrl_0 & 0x40 & (sms->io.ports[0].output ^ (value << 1)) & (value << 1))
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	24 \|\| (fuzzy_ctrl_0 & 0x40 & (sms->io.ports[1].output ^ (value >> 1)) & (value >> 1))
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	25 ) {
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	26 //TH is an output and it went from 0 -> 1
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	27 vdp_run_context(sms->vdp, z80->current_cycle);
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	28 vdp_latch_hv(sms->vdp);
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	29 }
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	30 io_data_write(sms->io.ports, value << 1, z80->current_cycle);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	31 io_data_write(sms->io.ports + 1, value >> 1, z80->current_cycle);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	32 } else {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	33 //TODO: memory control write
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	34 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	35 return vcontext;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	36 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	37
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	38 static uint8_t hv_read(uint32_t location, void *vcontext)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	39 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	40 z80_context *z80 = vcontext;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	41 sms_context *sms = z80->system;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	42 vdp_run_context(sms->vdp, z80->current_cycle);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	43 uint16_t hv = vdp_hv_counter_read(sms->vdp);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	44 if (location & 1) {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	45 return hv;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	46 } else {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	47 return hv >> 8;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	48 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	50
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	51 static void sms_psg_write(uint32_t location, void vcontext, uint8_t value)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	52 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	53 z80_context *z80 = vcontext;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	54 sms_context *sms = z80->system;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	55 psg_run(sms->psg, z80->current_cycle);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	56 psg_write(sms->psg, value);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	57 return vcontext;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	58 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	59
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	60 static void update_interrupts(sms_context *sms)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	61 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	62 uint32_t vint = vdp_next_vint(sms->vdp);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	63 uint32_t hint = vdp_next_hint(sms->vdp);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	64 sms->z80->int_pulse_start = vint < hint ? vint : hint;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	65 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	66
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	67 static uint8_t vdp_read(uint32_t location, void *vcontext)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	68 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	69 z80_context *z80 = vcontext;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	70 sms_context *sms = z80->system;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	71 vdp_run_context(sms->vdp, z80->current_cycle);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	72 if (location & 1) {
1126 63cd87d910cc Clear interrupt status flags after getting the status register value rather than before Michael Pavone <pavone@retrodev.com> parents: 1120 diff changeset	73 uint8_t ret = vdp_control_port_read(sms->vdp);
1119 55ea7f9a4e92 Fix clearing of interrupt pending flags on control port read in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	74 sms->vdp->flags2 &= ~(FLAG2_VINT_PENDING\|FLAG2_HINT_PENDING);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	75 update_interrupts(sms);
1126 63cd87d910cc Clear interrupt status flags after getting the status register value rather than before Michael Pavone <pavone@retrodev.com> parents: 1120 diff changeset	76 return ret;
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	77 } else {
1149 6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	78 return vdp_data_port_read_pbc(sms->vdp);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	79 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	80 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	81
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	82 static void vdp_write(uint32_t location, void vcontext, uint8_t value)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	83 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	84 z80_context *z80 = vcontext;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	85 sms_context *sms = z80->system;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	86 if (location & 1) {
1371 5b20840711c1 Remove HINT_FUDGE and make a small adjustment to how VDP syncs with rest of system instead. Worse results on CRAM dot issue, but much less of a hack Michael Pavone <pavone@retrodev.com> parents: 1326 diff changeset	87 vdp_run_context_full(sms->vdp, z80->current_cycle);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	88 vdp_control_port_write_pbc(sms->vdp, value);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	89 update_interrupts(sms);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	90 } else {
1371 5b20840711c1 Remove HINT_FUDGE and make a small adjustment to how VDP syncs with rest of system instead. Worse results on CRAM dot issue, but much less of a hack Michael Pavone <pavone@retrodev.com> parents: 1326 diff changeset	91 vdp_run_context(sms->vdp, z80->current_cycle);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	92 vdp_data_port_write_pbc(sms->vdp, value);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	93 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	94 return vcontext;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	95 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	96
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	97 static uint8_t io_read(uint32_t location, void *vcontext)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	98 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	99 z80_context *z80 = vcontext;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	100 sms_context *sms = z80->system;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	101 if (location == 0xC0 \|\| location == 0xDC) {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	102 uint8_t port_a = io_data_read(sms->io.ports, z80->current_cycle);
1148 80ef49539550 Fix reading from second controller port in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1143 diff changeset	103 uint8_t port_b = io_data_read(sms->io.ports+1, z80->current_cycle);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	104 return (port_a & 0x3F) \| (port_b << 6);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	105 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	106 if (location == 0xC1 \|\| location == 0xDD) {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	107 uint8_t port_a = io_data_read(sms->io.ports, z80->current_cycle);
1148 80ef49539550 Fix reading from second controller port in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1143 diff changeset	108 uint8_t port_b = io_data_read(sms->io.ports+1, z80->current_cycle);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	109 return (port_a & 0x40) \| (port_b >> 2 & 0xF) \| (port_b << 1 & 0x80) \| 0x10;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	110 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	111 return 0xFF;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	112 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	113
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	114 static void update_mem_map(uint32_t location, sms_context *sms, uint8_t value)
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	115 {
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	116 z80_context *z80 = sms->z80;
1142 5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	117 void *old_value;
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	118 if (location) {
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	119 uint32_t idx = location - 1;
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	120 old_value = z80->mem_pointers[idx];
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	121 z80->mem_pointers[idx] = sms->rom + (value << 14 & (sms->rom_size-1));
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	122 if (old_value != z80->mem_pointers[idx]) {
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	123 //invalidate any code we translated for the relevant bank
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	124 z80_invalidate_code_range(z80, idx ? idx * 0x4000 : 0x400, idx * 0x4000 + 0x4000);
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	125 }
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	126 } else {
1149 6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	127 old_value = z80->mem_pointers[2];
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	128 if (value & 8) {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	129 //cartridge RAM is enabled
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	130 z80->mem_pointers[2] = sms->cart_ram + (value & 4 ? (SMS_CART_RAM_SIZE/2) : 0);
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	131 } else {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	132 //cartridge RAM is disabled
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	133 z80->mem_pointers[2] = sms->rom + (sms->bank_regs[3] << 14 & (sms->rom_size-1));
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	134 }
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	135 if (old_value != z80->mem_pointers[2]) {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	136 //invalidate any code we translated for the relevant bank
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	137 z80_invalidate_code_range(z80, 0x8000, 0xC000);
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	138 }
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	139 }
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	140 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	141
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	142 static void mapper_write(uint32_t location, void vcontext, uint8_t value)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	143 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	144 z80_context *z80 = vcontext;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	145 sms_context *sms = z80->system;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	146 location &= 3;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	147 sms->ram[0x1FFC + location] = value;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	148 sms->bank_regs[location] = value;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	149 update_mem_map(location, sms, value);
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	150 return vcontext;
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	151 }
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	152
1149 6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	153 static void cart_ram_write(uint32_t location, void vcontext, uint8_t value)
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	154 {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	155 z80_context *z80 = vcontext;
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	156 sms_context *sms = z80->system;
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	157 if (sms->bank_regs[0] & 8) {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	158 //cartridge RAM is enabled
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	159 location &= 0x3FFF;
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	160 z80->mem_pointers[2][location] = value;
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	161 z80_handle_code_write(0x8000 + location, z80);
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	162 }
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	163 return vcontext;
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	164 }
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	165
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	166 uint8_t debug_commands(system_header system, char input_buf)
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	167 {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	168 sms_context sms = (sms_context )system;
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	169 switch(input_buf[0])
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	170 {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	171 case 'v':
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	172 if (input_buf[1] == 'r') {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	173 vdp_print_reg_explain(sms->vdp);
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	174 } else if (input_buf[1] == 's') {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	175 vdp_print_sprite_table(sms->vdp);
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	176 } else {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	177 return 0;
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	178 }
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	179 break;
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	180 }
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	181 return 1;
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	182 }
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	183
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	184 static memmap_chunk io_map[] = {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	185 {0x00, 0x40, 0xFF, 0, 0, 0, NULL, NULL, NULL, NULL, memory_io_write},
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	186 {0x40, 0x80, 0xFF, 0, 0, 0, NULL, NULL, NULL, hv_read, sms_psg_write},
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	187 {0x80, 0xC0, 0xFF, 0, 0, 0, NULL, NULL, NULL, vdp_read, vdp_write},
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	188 {0xC0, 0x100,0xFF, 0, 0, 0, NULL, NULL, NULL, io_read, NULL}
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	189 };
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	190
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	191 static void set_speed_percent(system_header * system, uint32_t percent)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	192 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	193 sms_context context = (sms_context )system;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	194 uint32_t old_clock = context->master_clock;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	195 context->master_clock = ((uint64_t)context->normal_clock * (uint64_t)percent) / 100;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	196
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	197 psg_adjust_master_clock(context->psg, context->master_clock);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	198 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	199
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	200 void sms_serialize(sms_context sms, serialize_buffer buf)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	201 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	202 start_section(buf, SECTION_Z80);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	203 z80_serialize(sms->z80, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	204 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	205
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	206 start_section(buf, SECTION_VDP);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	207 vdp_serialize(sms->vdp, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	208 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	209
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	210 start_section(buf, SECTION_PSG);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	211 psg_serialize(sms->psg, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	212 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	213
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	214 start_section(buf, SECTION_SEGA_IO_1);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	215 io_serialize(sms->io.ports, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	216 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	217
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	218 start_section(buf, SECTION_SEGA_IO_2);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	219 io_serialize(sms->io.ports + 1, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	220 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	221
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	222 start_section(buf, SECTION_MAIN_RAM);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	223 save_int8(buf, sizeof(sms->ram) / 1024);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	224 save_buffer8(buf, sms->ram, sizeof(sms->ram));
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	225 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	226
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	227 start_section(buf, SECTION_MAPPER);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	228 save_int8(buf, 1);//mapper type, 1 for Sega mapper
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	229 save_buffer8(buf, sms->bank_regs, sizeof(sms->bank_regs));
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	230 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	231
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	232 start_section(buf, SECTION_CART_RAM);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	233 save_int8(buf, SMS_CART_RAM_SIZE / 1024);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	234 save_buffer8(buf, sms->cart_ram, SMS_CART_RAM_SIZE);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	235 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	236 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	237
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	238 static void ram_deserialize(deserialize_buffer buf, void vsms)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	239 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	240 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	241 uint32_t ram_size = load_int8(buf) * 1024;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	242 if (ram_size > sizeof(sms->ram)) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	243 fatal_error("State has a RAM size of %d bytes", ram_size);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	244 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	245 load_buffer8(buf, sms->ram, ram_size);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	246 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	247
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	248 static void cart_ram_deserialize(deserialize_buffer buf, void vsms)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	249 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	250 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	251 uint32_t ram_size = load_int8(buf) * 1024;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	252 if (ram_size > SMS_CART_RAM_SIZE) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	253 fatal_error("State has a cart RAM size of %d bytes", ram_size);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	254 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	255 load_buffer8(buf, sms->cart_ram, ram_size);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	256 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	257
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	258 static void mapper_deserialize(deserialize_buffer buf, void vsms)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	259 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	260 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	261 uint8_t mapper_type = load_int8(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	262 if (mapper_type != 1) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	263 warning("State contains an unrecognized mapper type %d, it may be from a newer version of BlastEm\n", mapper_type);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	264 return;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	265 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	266 for (int i = 0; i < sizeof(sms->bank_regs); i++)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	267 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	268 sms->bank_regs[i] = load_int8(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	269 update_mem_map(i, sms, sms->bank_regs[i]);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	270 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	271 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	272
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	273 void sms_deserialize(deserialize_buffer buf, sms_context sms)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	274 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	275 register_section_handler(buf, (section_handler){.fun = z80_deserialize, .data = sms->z80}, SECTION_Z80);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	276 register_section_handler(buf, (section_handler){.fun = vdp_deserialize, .data = sms->vdp}, SECTION_VDP);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	277 register_section_handler(buf, (section_handler){.fun = psg_deserialize, .data = sms->psg}, SECTION_PSG);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	278 register_section_handler(buf, (section_handler){.fun = io_deserialize, .data = sms->io.ports}, SECTION_SEGA_IO_1);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	279 register_section_handler(buf, (section_handler){.fun = io_deserialize, .data = sms->io.ports + 1}, SECTION_SEGA_IO_2);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	280 register_section_handler(buf, (section_handler){.fun = ram_deserialize, .data = sms}, SECTION_MAIN_RAM);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	281 register_section_handler(buf, (section_handler){.fun = mapper_deserialize, .data = sms}, SECTION_MAPPER);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	282 register_section_handler(buf, (section_handler){.fun = cart_ram_deserialize, .data = sms}, SECTION_CART_RAM);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	283 //TODO: cart RAM
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	284 while (buf->cur_pos < buf->size)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	285 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	286 load_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	287 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	288 z80_invalidate_code_range(sms->z80, 0xC000, 0x10000);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	289 if (sms->bank_regs[0] & 8) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	290 //cart RAM is enabled, invalidate the region in case there is any code there
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	291 z80_invalidate_code_range(sms->z80, 0x8000, 0xC000);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	292 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	293 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	294
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	295 static void save_state(sms_context *sms, uint8_t slot)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	296 {
1478 da1dce39e846 Refactored save slot related logic to reduce duplication and allow reuse in new UI. Get state loading/saving mostly working in new UI Michael Pavone <pavone@retrodev.com> parents: 1433 diff changeset	297 char *save_path = get_slot_name(&sms->header, slot, "state");
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	298 serialize_buffer state;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	299 init_serialize(&state);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	300 sms_serialize(sms, &state);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	301 save_to_file(&state, save_path);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	302 printf("Saved state to %s\n", save_path);
1478 da1dce39e846 Refactored save slot related logic to reduce duplication and allow reuse in new UI. Get state loading/saving mostly working in new UI Michael Pavone <pavone@retrodev.com> parents: 1433 diff changeset	303 free(save_path);
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	304 free(state.data);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	305 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	306
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	307 static uint8_t load_state_path(sms_context sms, char path)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	308 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	309 deserialize_buffer state;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	310 uint8_t ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	311 if ((ret = load_from_file(&state, path))) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	312 sms_deserialize(&state, sms);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	313 free(state.data);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	314 printf("Loaded %s\n", path);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	315 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	316 return ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	317 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	318
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	319 static uint8_t load_state(system_header *system, uint8_t slot)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	320 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	321 sms_context sms = (sms_context )system;
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	322 char *statepath = get_slot_name(system, slot, "state");
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	323 uint8_t ret;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	324 if (!sms->z80->native_pc) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	325 ret = get_modification_time(statepath) != 0;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	326 if (ret) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	327 system->delayed_load_slot = slot + 1;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	328 }
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	329 goto done;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	330
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	331 }
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	332 ret = load_state_path(sms, statepath);
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	333 done:
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	334 free(statepath);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	335 return ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	336 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	337
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	338 static void run_sms(system_header *system)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	339 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	340 sms_context sms = (sms_context )system;
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	341 uint32_t target_cycle = sms->z80->current_cycle + 3420*16;
1184 b1147418254a Overscan is now configurable Michael Pavone <pavone@retrodev.com> parents: 1162 diff changeset	342 //TODO: PAL support
b1147418254a Overscan is now configurable Michael Pavone <pavone@retrodev.com> parents: 1162 diff changeset	343 render_set_video_standard(VID_NTSC);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	344 while (!sms->should_return)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	345 {
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	346 if (system->delayed_load_slot) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	347 load_state(system, system->delayed_load_slot - 1);
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	348 system->delayed_load_slot = 0;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	349
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	350 }
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	351 if (system->enter_debugger && sms->z80->pc) {
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	352 system->enter_debugger = 0;
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	353 zdebugger(sms->z80, sms->z80->pc);
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	354 }
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	355 if (sms->z80->nmi_start == CYCLE_NEVER) {
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	356 uint32_t nmi = vdp_next_nmi(sms->vdp);
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	357 if (nmi != CYCLE_NEVER) {
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	358 z80_assert_nmi(sms->z80, nmi);
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	359 }
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	360 }
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	361 z80_run(sms->z80, target_cycle);
1209 5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	362 if (sms->z80->reset) {
5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	363 z80_clear_reset(sms->z80, sms->z80->current_cycle + 128*15);
5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	364 }
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	365 target_cycle = sms->z80->current_cycle;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	366 vdp_run_context(sms->vdp, target_cycle);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	367 psg_run(sms->psg, target_cycle);
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	368
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	369 if (system->save_state) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	370 while (!sms->z80->pc) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	371 //advance Z80 to an instruction boundary
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	372 z80_run(sms->z80, sms->z80->current_cycle + 1);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	373 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	374 save_state(sms, system->save_state - 1);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	375 system->save_state = 0;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	376 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	377
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	378 target_cycle += 3420*16;
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	379 if (target_cycle > 0x10000000) {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	380 uint32_t adjust = sms->z80->current_cycle - 34202622;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	381 io_adjust_cycles(sms->io.ports, sms->z80->current_cycle, adjust);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	382 io_adjust_cycles(sms->io.ports+1, sms->z80->current_cycle, adjust);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	383 z80_adjust_cycles(sms->z80, adjust);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	384 vdp_adjust_cycles(sms->vdp, adjust);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	385 sms->psg->cycles -= adjust;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	386 target_cycle -= adjust;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	387 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	388 }
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	389 bindings_release_capture();
1401 b56c8c51ca5d Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer Michael Pavone <pavone@retrodev.com> parents: 1384 diff changeset	390 vdp_release_framebuffer(sms->vdp);
1551 ce1f93be0104 Small cleanup to audio interface between emulation code and renderer backend Michael Pavone <pavone@retrodev.com> parents: 1480 diff changeset	391 render_pause_source(sms->psg->audio);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	392 sms->should_return = 0;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	393 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	394
1401 b56c8c51ca5d Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer Michael Pavone <pavone@retrodev.com> parents: 1384 diff changeset	395 static void resume_sms(system_header *system)
b56c8c51ca5d Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer Michael Pavone <pavone@retrodev.com> parents: 1384 diff changeset	396 {
b56c8c51ca5d Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer Michael Pavone <pavone@retrodev.com> parents: 1384 diff changeset	397 sms_context sms = (sms_context )system;
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	398 bindings_reacquire_capture();
1401 b56c8c51ca5d Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer Michael Pavone <pavone@retrodev.com> parents: 1384 diff changeset	399 vdp_reacquire_framebuffer(sms->vdp);
1551 ce1f93be0104 Small cleanup to audio interface between emulation code and renderer backend Michael Pavone <pavone@retrodev.com> parents: 1480 diff changeset	400 render_resume_source(sms->psg->audio);
1401 b56c8c51ca5d Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer Michael Pavone <pavone@retrodev.com> parents: 1384 diff changeset	401 run_sms(system);
b56c8c51ca5d Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer Michael Pavone <pavone@retrodev.com> parents: 1384 diff changeset	402 }
b56c8c51ca5d Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer Michael Pavone <pavone@retrodev.com> parents: 1384 diff changeset	403
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	404 static void start_sms(system_header system, char statefile)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	405 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	406 sms_context sms = (sms_context )system;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	407
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	408 z80_assert_reset(sms->z80, 0);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	409 z80_clear_reset(sms->z80, 128*15);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	410
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	411 if (statefile) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	412 load_state_path(sms, statefile);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	413 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	414
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	415 if (system->enter_debugger) {
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	416 system->enter_debugger = 0;
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	417 zinsert_breakpoint(sms->z80, sms->z80->pc, (uint8_t *)zdebugger);
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	418 }
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	419
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	420 run_sms(system);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	421 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	422
1209 5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	423 static void soft_reset(system_header *system)
5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	424 {
5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	425 sms_context sms = (sms_context )system;
5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	426 z80_assert_reset(sms->z80, sms->z80->current_cycle);
5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	427 sms->z80->target_cycle = sms->z80->sync_cycle = sms->z80->current_cycle;
5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	428 }
5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	429
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	430 static void free_sms(system_header *system)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	431 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	432 sms_context sms = (sms_context )system;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	433 vdp_free(sms->vdp);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	434 z80_options_free(sms->z80->options);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	435 free(sms->z80);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	436 psg_free(sms->psg);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	437 free(sms);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	438 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	439
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	440 static uint16_t get_open_bus_value(system_header *system)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	441 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	442 return 0xFFFF;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	443 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	444
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	445 static void request_exit(system_header *system)
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	446 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	447 sms_context sms = (sms_context )system;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	448 sms->should_return = 1;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	449 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	450
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	451 static void inc_debug_mode(system_header *system)
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	452 {
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	453 sms_context sms = (sms_context )system;
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	454 sms->vdp->debug++;
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	455 if (sms->vdp->debug == 7) {
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	456 sms->vdp->debug = 0;
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	457 }
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	458 }
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	459
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	460 static void inc_debug_pal(system_header *system)
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	461 {
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	462 sms_context sms = (sms_context )system;
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	463 sms->vdp->debug_pal++;
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	464 if (sms->vdp->debug_pal == 4) {
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	465 sms->vdp->debug_pal = 0;
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	466 }
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	467 }
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	468
1384 1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	469 static void load_save(system_header *system)
1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	470 {
1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	471 //TODO: Implement me
1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	472 }
1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	473
1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	474 static void persist_save(system_header *system)
1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	475 {
1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	476 //TODO: Implement me
1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	477 }
1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	478
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	479 static void gamepad_down(system_header *system, uint8_t gamepad_num, uint8_t button)
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	480 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	481 sms_context sms = (sms_context )system;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	482 if (gamepad_num == GAMEPAD_MAIN_UNIT) {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	483 if (button == MAIN_UNIT_PAUSE) {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	484 vdp_pbc_pause(sms->vdp);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	485 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	486 } else {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	487 io_gamepad_down(&sms->io, gamepad_num, button);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	488 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	489 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	490
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	491 static void gamepad_up(system_header *system, uint8_t gamepad_num, uint8_t button)
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	492 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	493 sms_context sms = (sms_context )system;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	494 io_gamepad_up(&sms->io, gamepad_num, button);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	495 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	496
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	497 static void mouse_down(system_header *system, uint8_t mouse_num, uint8_t button)
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	498 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	499 sms_context sms = (sms_context )system;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	500 io_mouse_down(&sms->io, mouse_num, button);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	501 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	502
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	503 static void mouse_up(system_header *system, uint8_t mouse_num, uint8_t button)
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	504 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	505 sms_context sms = (sms_context )system;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	506 io_mouse_up(&sms->io, mouse_num, button);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	507 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	508
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	509 static void mouse_motion_absolute(system_header *system, uint8_t mouse_num, uint16_t x, uint16_t y)
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	510 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	511 sms_context sms = (sms_context )system;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	512 io_mouse_motion_absolute(&sms->io, mouse_num, x, y);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	513 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	514
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	515 static void mouse_motion_relative(system_header *system, uint8_t mouse_num, int32_t x, int32_t y)
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	516 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	517 sms_context sms = (sms_context )system;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	518 io_mouse_motion_relative(&sms->io, mouse_num, x, y);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	519 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	520
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	521 static void keyboard_down(system_header *system, uint8_t scancode)
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	522 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	523 sms_context sms = (sms_context )system;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	524 io_keyboard_down(&sms->io, scancode);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	525 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	526
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	527 static void keyboard_up(system_header *system, uint8_t scancode)
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	528 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	529 sms_context sms = (sms_context )system;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	530 io_keyboard_up(&sms->io, scancode);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	531 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	532
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	533 sms_context alloc_configure_sms(system_media media, uint32_t opts, uint8_t force_region, rom_info *info_out)
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	534 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	535 memset(info_out, 0, sizeof(*info_out));
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	536 sms_context *sms = calloc(1, sizeof(sms_context));
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	537 uint32_t rom_size = nearest_pow2(media->size);
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	538 memmap_chunk memory_map[6];
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	539 if (media->size > 0xC000) {
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	540 info_out->map_chunks = 6;
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	541 uint8_t *ram_reg_overlap = sms->ram + sizeof(sms->ram) - 4;
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	542 memory_map[0] = (memmap_chunk){0x0000, 0x0400, 0xFFFF, 0, 0, MMAP_READ, media->buffer, NULL, NULL, NULL, NULL};
1142 5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	543 memory_map[1] = (memmap_chunk){0x0400, 0x4000, 0xFFFF, 0, 0, MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE, NULL, NULL, NULL, NULL, NULL};
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	544 memory_map[2] = (memmap_chunk){0x4000, 0x8000, 0x3FFF, 0, 1, MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE, NULL, NULL, NULL, NULL, NULL};
1149 6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	545 memory_map[3] = (memmap_chunk){0x8000, 0xC000, 0x3FFF, 0, 2, MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE, NULL, NULL, NULL, NULL, cart_ram_write};
1142 5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	546 memory_map[4] = (memmap_chunk){0xC000, 0xFFFC, sizeof(sms->ram)-1, 0, 0, MMAP_READ\|MMAP_WRITE\|MMAP_CODE, sms->ram, NULL, NULL, NULL, NULL};
1162 c4ea535cf57e Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall Michael Pavone <pavone@retrodev.com> parents: 1154 diff changeset	547 memory_map[5] = (memmap_chunk){0xFFFC, 0x10000, 0x0003, 0, 0, MMAP_READ, ram_reg_overlap, NULL, NULL, NULL, mapper_write};
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	548 } else {
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	549 info_out->map_chunks = 2;
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	550 memory_map[0] = (memmap_chunk){0x0000, 0xC000, rom_size-1, 0, 0, MMAP_READ, media->buffer, NULL, NULL, NULL, NULL};
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	551 memory_map[1] = (memmap_chunk){0xC000, 0x10000, sizeof(sms->ram)-1, 0, 0, MMAP_READ\|MMAP_WRITE\|MMAP_CODE, sms->ram, NULL, NULL, NULL, NULL};
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	552 };
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	553 info_out->map = malloc(sizeof(memmap_chunk) * info_out->map_chunks);
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	554 memcpy(info_out->map, memory_map, sizeof(memmap_chunk) * info_out->map_chunks);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	555 z80_options *zopts = malloc(sizeof(z80_options));
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	556 init_z80_opts(zopts, info_out->map, info_out->map_chunks, io_map, 4, 15, 0xFF);
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1129 diff changeset	557 sms->z80 = init_z80_context(zopts);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	558 sms->z80->system = sms;
1149 6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	559 sms->z80->options->gen.debug_cmd_handler = debug_commands;
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	560
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	561 sms->rom = media->buffer;
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	562 sms->rom_size = rom_size;
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	563 if (info_out->map_chunks > 2) {
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	564 sms->z80->mem_pointers[0] = sms->rom;
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	565 sms->z80->mem_pointers[1] = sms->rom + 0x4000;
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	566 sms->z80->mem_pointers[2] = sms->rom + 0x8000;
1162 c4ea535cf57e Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall Michael Pavone <pavone@retrodev.com> parents: 1154 diff changeset	567 sms->bank_regs[1] = 0;
c4ea535cf57e Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall Michael Pavone <pavone@retrodev.com> parents: 1154 diff changeset	568 sms->bank_regs[2] = 0x4000 >> 14;
c4ea535cf57e Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall Michael Pavone <pavone@retrodev.com> parents: 1154 diff changeset	569 sms->bank_regs[3] = 0x8000 >> 14;
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	570 }
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	571
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	572 //TODO: Detect region and pick master clock based off of that
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	573 sms->normal_clock = sms->master_clock = 53693175;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	574
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	575 sms->psg = malloc(sizeof(psg_context));
1555 6ce36c3f250b More audio refactoring in preparation for allowing proper sync to video with dynamic audio rate control Michael Pavone <pavone@retrodev.com> parents: 1551 diff changeset	576 psg_init(sms->psg, sms->master_clock, 15*16);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	577
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	578 sms->vdp = malloc(sizeof(vdp_context));
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	579 init_vdp_context(sms->vdp, 0);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	580 sms->vdp->system = &sms->header;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	581
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	582 info_out->save_type = SAVE_NONE;
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	583 info_out->name = strdup(media->name);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	584
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	585 setup_io_devices(config, info_out, &sms->io);
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	586 sms->header.has_keyboard = io_has_keyboard(&sms->io);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	587
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	588 sms->header.set_speed_percent = set_speed_percent;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	589 sms->header.start_context = start_sms;
1401 b56c8c51ca5d Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer Michael Pavone <pavone@retrodev.com> parents: 1384 diff changeset	590 sms->header.resume_context = resume_sms;
1384 1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	591 sms->header.load_save = load_save;
1df16f5985f3 Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu Michael Pavone <pavone@retrodev.com> parents: 1379 diff changeset	592 sms->header.persist_save = persist_save;
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	593 sms->header.load_state = load_state;
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	594 sms->header.free_context = free_sms;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	595 sms->header.get_open_bus_value = get_open_bus_value;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	596 sms->header.request_exit = request_exit;
1209 5ee6b6345ea9 Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode) Michael Pavone <pavone@retrodev.com> parents: 1201 diff changeset	597 sms->header.soft_reset = soft_reset;
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	598 sms->header.inc_debug_mode = inc_debug_mode;
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	599 sms->header.inc_debug_pal = inc_debug_pal;
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	600 sms->header.gamepad_down = gamepad_down;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	601 sms->header.gamepad_up = gamepad_up;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	602 sms->header.mouse_down = mouse_down;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	603 sms->header.mouse_up = mouse_up;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	604 sms->header.mouse_motion_absolute = mouse_motion_absolute;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	605 sms->header.mouse_motion_relative = mouse_motion_relative;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	606 sms->header.keyboard_down = keyboard_down;
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	607 sms->header.keyboard_up = keyboard_up;
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	608 sms->header.type = SYSTEM_SMS;
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	609
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	610 return sms;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	611 }

Mercurial > repos > blastem

annotate sms.c @ 1587:ea687ca7d845