repos/blastem: sms.c annotate

annotate sms.c @ 2527:7e1215d17571

Log Game Gear PSG Pan to VGM

author	Michael Pavone <pavone@retrodev.com>
date	Mon, 11 Nov 2024 11:20:22 -0800
parents	1843adbe9899
children	a6687a6fb69d

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>
2202 ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	4 #include "config.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	5 #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	6 #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	7 #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	8 #include "util.h"
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	9 #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	10 #include "saves.h"
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	11 #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	12
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	13 #ifdef NEW_CORE
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	14 #define Z80_CYCLE cycles
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	15 #define Z80_OPTS opts
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	16 #define z80_handle_code_write(...)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	17 #else
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	18 #define Z80_CYCLE current_cycle
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	19 #define Z80_OPTS options
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	20 #endif
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	21
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	22 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	23 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	24 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	25 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	26 if (location & 1) {
1154 c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	27 uint8_t fuzzy_ctrl_0 = sms->io.ports[0].control, fuzzy_ctrl_1 = sms->io.ports[1].control;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	28 io_control_write(sms->io.ports, (~value) << 5 & 0x60, z80->Z80_CYCLE);
1154 c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	29 fuzzy_ctrl_0 \|= sms->io.ports[0].control;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	30 io_control_write(sms->io.ports+1, (~value) << 3 & 0x60, z80->Z80_CYCLE);
1154 c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	31 fuzzy_ctrl_1 \|= sms->io.ports[1].control;
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	32 if (
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	33 (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	34 \|\| (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	35 ) {
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	36 //TH is an output and it went from 0 -> 1
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	37 vdp_run_context(sms->vdp, z80->Z80_CYCLE);
1154 c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	38 vdp_latch_hv(sms->vdp);
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	39 }
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	40 io_data_write(sms->io.ports, value << 1, z80->Z80_CYCLE);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	41 io_data_write(sms->io.ports + 1, value >> 1, z80->Z80_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	42 } 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	43 //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	44 }
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 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	46 }
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
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 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	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 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	51 sms_context *sms = z80->system;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	52 vdp_run_context(sms->vdp, z80->Z80_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	53 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	54 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	55 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	56 } 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	57 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	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
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 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	62 {
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 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	64 sms_context *sms = z80->system;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	65 psg_run(sms->psg, z80->Z80_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	66 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	67 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	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
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 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	71 {
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 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	73 uint32_t hint = vdp_next_hint(sms->vdp);
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	74 #ifdef NEW_CORE
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	75 sms->z80->int_cycle = vint < hint ? vint : hint;
1759 6e4faa10f9ee Store sync_cycle in context rather than in a local in CPU DSL. Fix the timing of a number of instructions in new Z80 core Michael Pavone <pavone@retrodev.com> parents: 1752 diff changeset	76 z80_sync_cycle(sms->z80, sms->z80->sync_cycle);
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	77 #else
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	78 sms->z80->int_pulse_start = vint < hint ? vint : hint;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	79 #endif
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	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 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	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;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	86 vdp_run_context(sms->vdp, z80->Z80_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	87 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	88 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	89 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	90 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	91 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	92 } 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	93 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	94 }
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 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	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 & 1) {
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	102 vdp_run_context_full(sms->vdp, z80->Z80_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	103 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	104 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	105 } else {
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	106 vdp_run_context(sms->vdp, z80->Z80_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	107 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	108 }
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 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	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
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 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	113 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	114 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	115 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	116 if (location == 0xC0 \|\| location == 0xDC) {
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	117 uint8_t port_a = io_data_read(sms->io.ports, z80->Z80_CYCLE);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	118 uint8_t port_b = io_data_read(sms->io.ports+1, z80->Z80_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	119 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	120 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	121 if (location == 0xC1 \|\| location == 0xDD) {
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	122 uint8_t port_a = io_data_read(sms->io.ports, z80->Z80_CYCLE);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	123 uint8_t port_b = io_data_read(sms->io.ports+1, z80->Z80_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	124 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	125 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	126 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	127 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	128
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	129 static void i8255_output_updated(i8255 *ppi, uint32_t cycle, uint32_t port, uint8_t data)
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	130 {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	131 if (port == 2) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	132 sms_context *sms = ppi->system;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	133 sms->kb_mux = data & 0x7;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	134 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	135 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	136
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	137 static uint8_t i8255_input_poll(i8255 *ppi, uint32_t cycle, uint32_t port)
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	138 {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	139 if (port > 1) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	140 return 0xFF;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	141 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	142 sms_context *sms = ppi->system;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	143 if (sms->kb_mux == 7) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	144 if (port) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	145 //TODO: cassette-in
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	146 //TODO: printer port BUSY/FAULT
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	147 uint8_t port_b = io_data_read(sms->io.ports+1, cycle);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	148 return (port_b >> 2 & 0xF) \| 0x10;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	149 } else {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	150 uint8_t port_a = io_data_read(sms->io.ports, cycle);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	151 uint8_t port_b = io_data_read(sms->io.ports+1, cycle);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	152 return (port_a & 0x3F) \| (port_b << 6);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	153 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	154 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	155 //TODO: keyboard matrix ghosting
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	156 if (port) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	157 //TODO: cassette-in
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	158 //TODO: printer port BUSY/FAULT
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	159 return (sms->keystate[sms->kb_mux] >> 8) \| 0x10;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	160 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	161 return sms->keystate[sms->kb_mux];
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	162 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	163
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	164 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	165 {
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	166 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	167 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	168 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	169 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	170 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	171 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	172 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	173 //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	174 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	175 }
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	176 } 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	177 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	178 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	179 //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	180 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	181 } 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	182 //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	183 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	184 }
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	185 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	186 //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	187 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	188 }
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	189 }
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	190 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	191
2320 8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2302 diff changeset	192 void sms_sega_mapper_write(uint32_t location, void vcontext, uint8_t value)
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	193 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	194 z80_context *z80 = vcontext;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	195 sms_context *sms = z80->system;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	196 location &= 3;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	197 sms->ram[0x1FFC + location] = value;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	198 sms->bank_regs[location] = value;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	199 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	200 return vcontext;
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	201 }
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	202
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	203 void sms_cart_ram_write(uint32_t location, void vcontext, uint8_t value)
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	204 {
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	205 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	206 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	207 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	208 //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	209 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	210 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	211 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	212 }
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	213 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	214 }
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	215
2325 26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	216 static z80_context codemasters_write(uint8_t bank, z80_context z80, uint8_t value)
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	217 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	218 sms_context *sms = z80->system;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	219 if (value != sms->bank_regs[bank]) {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	220 sms->bank_regs[bank] = value;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	221 value &= 0x7F;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	222 z80->mem_pointers[bank] = sms->rom + (value << 14 & (sms->rom_size-1));
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	223 z80_invalidate_code_range(z80, bank * 0x4000, bank * 0x4000 + 0x4000);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	224 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	225 return z80;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	226 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	227
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	228 void sms_codemasters_bank0_write(uint32_t location, void vcontext, uint8_t value)
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	229 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	230 return codemasters_write(0, vcontext, value);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	231 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	232
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	233 void sms_codemasters_bank1_write(uint32_t location, void vcontext, uint8_t value)
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	234 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	235 return codemasters_write(1, vcontext, value);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	236 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	237
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	238 void sms_codemasters_bank2_write(uint32_t location, void vcontext, uint8_t value)
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	239 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	240 //TODO: Handle Ernie Els Golf cart RAM
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	241 return codemasters_write(2, vcontext, value);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	242 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	243
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	244 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	245 {
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	246 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	247 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	248 {
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	249 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	250 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	251 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	252 } 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	253 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	254 } 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	255 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	256 }
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	257 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	258 }
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	259 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	260 }
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	261
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	262 static uint8_t gg_io_read(uint32_t location, void *vcontext)
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	263 {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	264 z80_context *z80 = vcontext;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	265 sms_context *sms = z80->system;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	266 if (!location) {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	267 return sms->start_button_region;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	268 } else {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	269 //TODO: implement link port
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	270 return 0xFF;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	271 }
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	272 }
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	273
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	274 static void gg_io_write(uint32_t location, void vcontext, uint8_t value)
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	275 {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	276 //TODO: implement link port
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	277 return vcontext;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	278 }
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	279 static void psg_pan_write(uint32_t location, void vcontext, uint8_t value)
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	280 {
2196 2648081f3100 Implement Game Gear PSG panning Michael Pavone <pavone@retrodev.com> parents: 2195 diff changeset	281 z80_context *z80 = vcontext;
2648081f3100 Implement Game Gear PSG panning Michael Pavone <pavone@retrodev.com> parents: 2195 diff changeset	282 sms_context *sms = z80->system;
2648081f3100 Implement Game Gear PSG panning Michael Pavone <pavone@retrodev.com> parents: 2195 diff changeset	283 psg_run(sms->psg, z80->Z80_CYCLE);
2648081f3100 Implement Game Gear PSG panning Michael Pavone <pavone@retrodev.com> parents: 2195 diff changeset	284 sms->psg->pan = value;
2527 7e1215d17571 Log Game Gear PSG Pan to VGM Michael Pavone <pavone@retrodev.com> parents: 2525 diff changeset	285 if (sms->psg->vgm) {
7e1215d17571 Log Game Gear PSG Pan to VGM Michael Pavone <pavone@retrodev.com> parents: 2525 diff changeset	286 vgm_gg_pan_write(sms->psg->vgm, sms->psg->cycles, sms->psg->pan);
7e1215d17571 Log Game Gear PSG Pan to VGM Michael Pavone <pavone@retrodev.com> parents: 2525 diff changeset	287 }
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	288 return vcontext;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	289 }
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	290
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	291 static void ppi_write(uint32_t location, void vcontext, uint8_t value)
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	292 {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	293 z80_context *z80 = vcontext;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	294 sms_context *sms = z80->system;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	295 i8255_write(location, sms->i8255, value, z80->Z80_CYCLE);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	296 return vcontext;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	297 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	298
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	299 static uint8_t ppi_read(uint32_t location, void *vcontext)
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	300 {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	301 z80_context *z80 = vcontext;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	302 sms_context *sms = z80->system;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	303 return i8255_read(location, sms->i8255, z80->Z80_CYCLE);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	304 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	305
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	306 static void all_write(uint32_t location, void vcontext, uint8_t value)
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	307 {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	308 vdp_write(location, vcontext, value);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	309 sms_psg_write(location, vcontext, value);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	310 return ppi_write(location, vcontext, value);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	311 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	312
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	313 static uint8_t ppi_vdp_read(uint32_t location, void *vcontext)
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	314 {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	315 //TODO: "corrupt" PPI value by VDP value
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	316 vdp_read(location, vcontext);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	317 return ppi_read(location, vcontext);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	318 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	319
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	320 static void vdp_psg_write(uint32_t location, void vcontext, uint8_t value)
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	321 {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	322 vdp_write(location, vcontext, value);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	323 return sms_psg_write(location, vcontext, value);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	324 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	325
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	326 static void ppi_psg_write(uint32_t location, void vcontext, uint8_t value)
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	327 {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	328 vdp_write(location, vcontext, value);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	329 return ppi_write(location, vcontext, value);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	330 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	331
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	332 static void ppi_vdp_write(uint32_t location, void vcontext, uint8_t value)
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	333 {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	334 vdp_write(location, vcontext, value);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	335 return ppi_write(location, vcontext, value);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	336 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 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 memmap_chunk io_map[] = {
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	339 {0x00, 0x40, 0xFF, .write_8 = memory_io_write},
9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	340 {0x40, 0x80, 0xFF, .read_8 = hv_read, .write_8 = sms_psg_write},
9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	341 {0x80, 0xC0, 0xFF, .read_8 = vdp_read, .write_8 = vdp_write},
9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	342 {0xC0, 0x100,0xFF, .read_8 = io_read}
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	343 };
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
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	345 static memmap_chunk io_gg[] = {
2197 74b92e20e2ef Fix off by one in PSG pan register mapping Michael Pavone <pavone@retrodev.com> parents: 2196 diff changeset	346 {0x00, 0x06, 0xFF, .read_8 = gg_io_read, .write_8 = gg_io_write},
74b92e20e2ef Fix off by one in PSG pan register mapping Michael Pavone <pavone@retrodev.com> parents: 2196 diff changeset	347 {0x06, 0x07, 0xFF, .write_8 = psg_pan_write},
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	348 {0x08, 0x40, 0xFF, .write_8 = memory_io_write},
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	349 {0x40, 0x80, 0xFF, .read_8 = hv_read, .write_8 = sms_psg_write},
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	350 {0x80, 0xC0, 0xFF, .read_8 = vdp_read, .write_8 = vdp_write},
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	351 {0xC0, 0x100,0xFF, .read_8 = io_read}
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	352 };
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	353
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	354 static memmap_chunk io_sc[] = {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	355 {0x00, 0x20, 0x03, .read_8 = ppi_vdp_read, .write_8 = all_write},
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	356 {0x20, 0x40, 0xFF, .read_8 = vdp_read, .write_8 = vdp_psg_write},
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	357 {0x40, 0x60, 0x03, .read_8 = ppi_read, .write_8 = ppi_psg_write},
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	358 {0x60, 0x80, 0xFF, .write_8 = sms_psg_write},
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	359 {0x80, 0xA0, 0x03, .read_8 = ppi_vdp_read, .write_8 = ppi_vdp_write},
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	360 {0xA0, 0xC0, 0xFF, .read_8 = vdp_read, .write_8 = vdp_write},
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	361 {0xD0, 0x100, 0x03, .read_8 = ppi_read, .write_8 = ppi_write}
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	362 };
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	363
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	364 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	365 {
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 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	367 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	368 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	369
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	370 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	371 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	372
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	373 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	374 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	375 start_section(buf, SECTION_Z80);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	376 z80_serialize(sms->z80, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	377 end_section(buf);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	378
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	379 start_section(buf, SECTION_VDP);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	380 vdp_serialize(sms->vdp, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	381 end_section(buf);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	382
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	383 start_section(buf, SECTION_PSG);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	384 psg_serialize(sms->psg, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	385 end_section(buf);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	386
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	387 start_section(buf, SECTION_SEGA_IO_1);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	388 io_serialize(sms->io.ports, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	389 end_section(buf);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	390
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	391 start_section(buf, SECTION_SEGA_IO_2);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	392 io_serialize(sms->io.ports + 1, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	393 end_section(buf);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	394
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	395 start_section(buf, SECTION_MAIN_RAM);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	396 save_int8(buf, sizeof(sms->ram) / 1024);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	397 save_buffer8(buf, sms->ram, sizeof(sms->ram));
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	398 end_section(buf);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	399
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	400 start_section(buf, SECTION_MAPPER);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	401 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	402 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	403 end_section(buf);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	404
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	405 start_section(buf, SECTION_CART_RAM);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	406 save_int8(buf, SMS_CART_RAM_SIZE / 1024);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	407 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	408 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	409 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	410
1690 319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	411 static uint8_t serialize(system_header sys, size_t *size_out)
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	412 {
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	413 sms_context sms = (sms_context )sys;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	414 serialize_buffer state;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	415 init_serialize(&state);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	416 sms_serialize(sms, &state);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	417 if (size_out) {
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	418 *size_out = state.size;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	419 }
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	420 return state.data;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	421 }
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	422
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	423 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	424 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	425 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	426 uint32_t ram_size = load_int8(buf) * 1024;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	427 if (ram_size > sizeof(sms->ram)) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	428 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	429 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	430 load_buffer8(buf, sms->ram, ram_size);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	431 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	432
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	433 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	434 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	435 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	436 uint32_t ram_size = load_int8(buf) * 1024;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	437 if (ram_size > SMS_CART_RAM_SIZE) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	438 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	439 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	440 load_buffer8(buf, sms->cart_ram, ram_size);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	441 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	442
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	443 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	444 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	445 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	446 uint8_t mapper_type = load_int8(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	447 if (mapper_type != 1) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	448 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	449 return;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	450 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	451 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	452 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	453 sms->bank_regs[i] = load_int8(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	454 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	455 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	456 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	457
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	458 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	459 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	460 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	461 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	462 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	463 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	464 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	465 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	466 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	467 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	468 //TODO: cart RAM
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	469 while (buf->cur_pos < buf->size)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	470 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	471 load_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	472 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	473 z80_invalidate_code_range(sms->z80, 0xC000, 0x10000);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	474 if (sms->bank_regs[0] & 8) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	475 //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	476 z80_invalidate_code_range(sms->z80, 0x8000, 0xC000);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	477 }
1690 319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	478 free(buf->handlers);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	479 buf->handlers = NULL;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	480 }
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	481
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	482 static void deserialize(system_header sys, uint8_t data, size_t size)
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	483 {
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	484 sms_context sms = (sms_context )sys;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	485 deserialize_buffer buffer;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	486 init_deserialize(&buffer, data, size);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	487 sms_deserialize(&buffer, sms);
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	488 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	489
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	490 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	491 {
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	492 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	493 serialize_buffer state;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	494 init_serialize(&state);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	495 sms_serialize(sms, &state);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	496 save_to_file(&state, save_path);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	497 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	498 free(save_path);
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	499 free(state.data);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	500 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	501
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	502 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	503 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	504 deserialize_buffer state;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	505 uint8_t ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	506 if ((ret = load_from_file(&state, path))) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	507 sms_deserialize(&state, sms);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	508 free(state.data);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	509 printf("Loaded %s\n", path);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	510 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	511 return ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	512 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	513
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	514 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	515 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	516 sms_context sms = (sms_context )system;
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	517 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	518 uint8_t ret;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	519 #ifndef NEW_CORE
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	520 if (!sms->z80->native_pc) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	521 ret = get_modification_time(statepath) != 0;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	522 if (ret) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	523 system->delayed_load_slot = slot + 1;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	524 }
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	525 goto done;
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	526
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	527 }
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	528 #endif
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	529 ret = load_state_path(sms, statepath);
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	530 done:
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	531 free(statepath);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	532 return ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	533 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	534
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	535 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	536 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	537 sms_context sms = (sms_context )system;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	538 uint32_t target_cycle = sms->z80->Z80_CYCLE + 3420*16;
1184 b1147418254a Overscan is now configurable Michael Pavone <pavone@retrodev.com> parents: 1162 diff changeset	539 //TODO: PAL support
2200 f11f4399d64b Crop display in game gear mode Michael Pavone <pavone@retrodev.com> parents: 2197 diff changeset	540 if (sms->vdp->type == VDP_GAMEGEAR) {
f11f4399d64b Crop display in game gear mode Michael Pavone <pavone@retrodev.com> parents: 2197 diff changeset	541 render_set_video_standard(VID_GAMEGEAR);
f11f4399d64b Crop display in game gear mode Michael Pavone <pavone@retrodev.com> parents: 2197 diff changeset	542 } else {
f11f4399d64b Crop display in game gear mode Michael Pavone <pavone@retrodev.com> parents: 2197 diff changeset	543 render_set_video_standard(VID_NTSC);
f11f4399d64b Crop display in game gear mode Michael Pavone <pavone@retrodev.com> parents: 2197 diff changeset	544 }
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	545 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	546 {
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	547 if (system->delayed_load_slot) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	548 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	549 system->delayed_load_slot = 0;
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	550
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	551 }
2179 9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	552 if (sms->vdp->frame != sms->last_frame) {
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	553 #ifndef IS_LIB
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	554 if (sms->psg->scope) {
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	555 scope_render(sms->psg->scope);
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	556 }
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	557 #endif
2179 9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	558 uint32_t elapsed = sms->vdp->frame - sms->last_frame;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	559 sms->last_frame = sms->vdp->frame;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	560 if (system->enter_debugger_frames) {
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	561 if (elapsed >= system->enter_debugger_frames) {
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	562 system->enter_debugger_frames = 0;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	563 system->enter_debugger = 1;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	564 } else {
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	565 system->enter_debugger_frames -= elapsed;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	566 }
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	567 }
2194 01ff005b08f6 Very rudimentary support for Game Gear VDP emulation Michael Pavone <pavone@retrodev.com> parents: 2179 diff changeset	568
2179 9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	569 if(exit_after){
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	570 if (elapsed >= exit_after) {
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	571 exit(0);
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	572 } else {
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	573 exit_after -= elapsed;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	574 }
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	575 }
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	576 }
2500 d44fe974fb85 Get blastem compiling with new 68K core Michael Pavone <pavone@retrodev.com> parents: 2424 diff changeset	577 #ifndef NEW_CORE
2424 767ec72acca7 Avoid conflicts between watchpoints and normal debugger entry Michael Pavone <pavone@retrodev.com> parents: 2400 diff changeset	578 if ((system->enter_debugger \|\| sms->z80->wp_hit) && sms->z80->pc) {
767ec72acca7 Avoid conflicts between watchpoints and normal debugger entry Michael Pavone <pavone@retrodev.com> parents: 2400 diff changeset	579 if (!sms->z80->wp_hit) {
767ec72acca7 Avoid conflicts between watchpoints and normal debugger entry Michael Pavone <pavone@retrodev.com> parents: 2400 diff changeset	580 system->enter_debugger = 0;
767ec72acca7 Avoid conflicts between watchpoints and normal debugger entry Michael Pavone <pavone@retrodev.com> parents: 2400 diff changeset	581 }
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	582 #ifndef IS_LIB
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	583 zdebugger(sms->z80, sms->z80->pc);
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	584 #endif
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	585 }
2500 d44fe974fb85 Get blastem compiling with new 68K core Michael Pavone <pavone@retrodev.com> parents: 2424 diff changeset	586 #endif
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	587 #ifdef NEW_CORE
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	588 if (sms->z80->nmi_cycle == CYCLE_NEVER) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	589 #else
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	590 if (sms->z80->nmi_start == CYCLE_NEVER) {
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	591 #endif
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	592 uint32_t nmi = vdp_next_nmi(sms->vdp);
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	593 if (nmi != CYCLE_NEVER) {
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	594 z80_assert_nmi(sms->z80, nmi);
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	595 }
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	596 }
2400 c97609fe8315 Implement watchpoints in Z80 debugger Michael Pavone <pavone@retrodev.com> parents: 2384 diff changeset	597
2500 d44fe974fb85 Get blastem compiling with new 68K core Michael Pavone <pavone@retrodev.com> parents: 2424 diff changeset	598 #ifndef NEW_CORE
2424 767ec72acca7 Avoid conflicts between watchpoints and normal debugger entry Michael Pavone <pavone@retrodev.com> parents: 2400 diff changeset	599 if (system->enter_debugger \|\| sms->z80->wp_hit) {
2400 c97609fe8315 Implement watchpoints in Z80 debugger Michael Pavone <pavone@retrodev.com> parents: 2384 diff changeset	600 target_cycle = sms->z80->Z80_CYCLE + 1;
c97609fe8315 Implement watchpoints in Z80 debugger Michael Pavone <pavone@retrodev.com> parents: 2384 diff changeset	601 }
2500 d44fe974fb85 Get blastem compiling with new 68K core Michael Pavone <pavone@retrodev.com> parents: 2424 diff changeset	602 #endif
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	603 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	604 if (sms->z80->reset) {
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	605 z80_clear_reset(sms->z80, sms->z80->Z80_CYCLE + 128*15);
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	606 }
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	607 target_cycle = sms->z80->Z80_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	608 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	609 psg_run(sms->psg, target_cycle);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	610
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	611 if (system->save_state) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	612 while (!sms->z80->pc) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	613 //advance Z80 to an instruction boundary
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	614 z80_run(sms->z80, sms->z80->Z80_CYCLE + 1);
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	615 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	616 save_state(sms, system->save_state - 1);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	617 system->save_state = 0;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	618 }
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	619
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	620 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	621 if (target_cycle > 0x10000000) {
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	622 uint32_t adjust = sms->z80->Z80_CYCLE - 34202622;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	623 io_adjust_cycles(sms->io.ports, sms->z80->Z80_CYCLE, adjust);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	624 io_adjust_cycles(sms->io.ports+1, sms->z80->Z80_CYCLE, adjust);
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	625 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	626 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	627 sms->psg->cycles -= adjust;
2525 1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	628 if (sms->psg->vgm) {
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	629 vgm_adjust_cycles(sms->psg->vgm, adjust);
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	630 }
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	631 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	632 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	633 }
1980 81df9aa2de9b Less hacky run on audio thread mode Michael Pavone <pavone@retrodev.com> parents: 1932 diff changeset	634 if (sms->header.force_release \|\| render_should_release_on_exit()) {
1932 b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	635 bindings_release_capture();
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	636 vdp_release_framebuffer(sms->vdp);
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	637 render_pause_source(sms->psg->audio);
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	638 }
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	639 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	640 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	641
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	642 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	643 {
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	644 sms_context sms = (sms_context )system;
1980 81df9aa2de9b Less hacky run on audio thread mode Michael Pavone <pavone@retrodev.com> parents: 1932 diff changeset	645 if (sms->header.force_release \|\| render_should_release_on_exit()) {
81df9aa2de9b Less hacky run on audio thread mode Michael Pavone <pavone@retrodev.com> parents: 1932 diff changeset	646 sms->header.force_release = 0;
1932 b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	647 bindings_reacquire_capture();
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	648 vdp_reacquire_framebuffer(sms->vdp);
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	649 render_resume_source(sms->psg->audio);
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	650 }
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	651 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	652 }
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	653
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	654 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	655 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	656 sms_context sms = (sms_context )system;
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	657
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	658 z80_assert_reset(sms->z80, 0);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	659 z80_clear_reset(sms->z80, 128*15);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	660
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	661 if (statefile) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	662 load_state_path(sms, statefile);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	663 }
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	664
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	665 if (system->enter_debugger) {
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	666 system->enter_debugger = 0;
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	667 #ifndef IS_LIB
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	668 zinsert_breakpoint(sms->z80, sms->z80->pc, (uint8_t *)zdebugger);
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	669 #endif
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	670 }
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	671
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	672 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	673 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	674
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	675 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	676 {
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	677 sms_context sms = (sms_context )system;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	678 z80_assert_reset(sms->z80, sms->z80->Z80_CYCLE);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	679 #ifndef NEW_CORE
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	680 sms->z80->target_cycle = sms->z80->sync_cycle = sms->z80->Z80_CYCLE;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	681 #endif
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	682 }
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	683
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	684 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	685 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	686 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	687 vdp_free(sms->vdp);
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	688 z80_options_free(sms->z80->Z80_OPTS);
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	689 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	690 psg_free(sms->psg);
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	691 free(sms->i8255);
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	692 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	693 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	694
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	695 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	696 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	697 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	698 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	699
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	700 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	701 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	702 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	703 sms->should_return = 1;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	704 #ifndef NEW_CORE
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	705 sms->z80->target_cycle = sms->z80->sync_cycle = sms->z80->Z80_CYCLE;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	706 #endif
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	707 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	708
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	709 static void inc_debug_mode(system_header *system)
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	710 {
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	711 sms_context sms = (sms_context )system;
1643 6909c5d0bbb5 Removed old VDP debug functionality Michael Pavone <pavone@retrodev.com> parents: 1640 diff changeset	712 vdp_inc_debug_mode(sms->vdp);
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	713 }
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	714
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	715 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	716 {
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	717 //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	718 }
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	719
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	720 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	721 {
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	722 //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	723 }
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	724
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	725 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	726 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	727 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	728 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	729 if (button == MAIN_UNIT_PAUSE) {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	730 vdp_pbc_pause(sms->vdp);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	731 }
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	732 } else if (sms->vdp->type == VDP_GAMEGEAR && gamepad_num == 1 && button == BUTTON_START) {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	733 sms->start_button_region &= 0x7F;
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	734 } else {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	735 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	736 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	737 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	738
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	739 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	740 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	741 sms_context sms = (sms_context )system;
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	742 if (sms->vdp->type == VDP_GAMEGEAR && gamepad_num == 1 && button == BUTTON_START) {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	743 sms->start_button_region \|= 0x80;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	744 } else {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	745 io_gamepad_up(&sms->io, gamepad_num, button);
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	746 }
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	747 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	748
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	749 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	750 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	751 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	752 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	753 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	754
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	755 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	756 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	757 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	758 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	759 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	760
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	761 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	762 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	763 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	764 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	765 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	766
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	767 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	768 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	769 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	770 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	771 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	772
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	773 uint16_t scancode_map[0x90] = {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	774 [0x1C] = 0x0004,//A
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	775 [0x32] = 0x4008,//B
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	776 [0x21] = 0x2008,//C
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	777 [0x23] = 0x2004,//D
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	778 [0x24] = 0x2002,//E
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	779 [0x2B] = 0x3004,//F
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	780 [0x34] = 0x4004,//G
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	781 [0x33] = 0x5004,//H
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	782 [0x43] = 0x0080,//I
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	783 [0x3B] = 0x6004,//J
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	784 [0x42] = 0x0040,//K
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	785 [0x4B] = 0x1040,//L
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	786 [0x3A] = 0x6008,//M
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	787 [0x31] = 0x5008,//N
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	788 [0x44] = 0x1080,//O
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	789 [0x4D] = 0x2080,//P
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	790 [0x15] = 0x0002,//Q
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	791 [0x2D] = 0x3002,//R
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	792 [0x1B] = 0x1004,//S
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	793 [0x2C] = 0x4002,//T
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	794 [0x3C] = 0x6002,//U
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	795 [0x2A] = 0x3008,//V
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	796 [0x1D] = 0x1002,//W
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	797 [0x22] = 0x1008,//X
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	798 [0x35] = 0x5002,//Y
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	799 [0x1A] = 0x0008,//Z
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	800 [0x16] = 0x0001,//1
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	801 [0x1E] = 0x1001,//2
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	802 [0x26] = 0x2001,//3
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	803 [0x25] = 0x3001,//4
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	804 [0x2E] = 0x4001,//5
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	805 [0x36] = 0x5001,//6
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	806 [0x3D] = 0x6001,//7
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	807 [0x3E] = 0x0100,//8
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	808 [0x46] = 0x1100,//9
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	809 [0x45] = 0x2100,//0
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	810 [0x5A] = 0x5040,//return
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	811 [0x29] = 0x1010,//space
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	812 [0x0D] = 0x5800,//tab mapped to FUNC
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	813 [0x66] = 0x3010,//backspace mapped to INS/DEL
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	814 [0x4E] = 0x3100,// -
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	815 [0x55] = 0x4100,// = mapped to ^ based on position
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	816 [0x54] = 0x4080,// [
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	817 [0x5B] = 0x4040,// ]
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	818 [0x5D] = 0x5100,// \ mapped to Yen based on position/correspondence on PC keyboards
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	819 [0x4C] = 0x2040,// ;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	820 [0x52] = 0x3040,// ' mapped to : based on position
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	821 [0x0E] = 0x3020,// ` mapped to PI because of lack of good options
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	822 [0x41] = 0x0020,// ,
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	823 [0x49] = 0x1020,// .
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	824 [0x4A] = 0x2020,// /
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	825 [0x14] = 0x6400,//lctrl mapped to ctrl
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	826 //rctrl is default keybind for toggle keyboard capture
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	827 //[0x18] = 0x6400,//rctrl mapped to ctrl
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	828 [0x12] = 0x6800,//lshift mapped to shift
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	829 [0x59] = 0x6800,//lshift mapped to shift
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	830 [0x11] = 0x6200,//lalt mapped to GRAPH
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	831 [0x17] = 0x6200,//ralt mapped to GRAPH
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	832 [0x81] = 0x0010,//insert mapped to kana/dieresis key
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	833 [0x86] = 0x5020,//left arrow
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	834 [0x87] = 0x2010,//home mapped to HOME/CLR
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	835 [0x88] = 0x6100,//end mapped to BREAK
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	836 [0x89] = 0x6040,//up arrow
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	837 [0x8A] = 0x4020,//down arrow
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	838 [0x8D] = 0x6020,//right arrow
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	839 };
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	840
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	841 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	842 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	843 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	844 io_keyboard_down(&sms->io, scancode);
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	845 if (sms->keystate && scancode < 0x90 && scancode_map[scancode]) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	846 uint16_t row = scancode_map[scancode] >> 12;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	847 sms->keystate[row] &= ~(scancode_map[scancode] & 0xFFF);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	848 }
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	849 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	850
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	851 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	852 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	853 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	854 io_keyboard_up(&sms->io, scancode);
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	855 if (sms->keystate && scancode < 0x90 && scancode_map[scancode]) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	856 uint16_t row = scancode_map[scancode] >> 12;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	857 sms->keystate[row] \|= scancode_map[scancode] & 0xFFF;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	858 }
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	859 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	860
1796 51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	861 static void set_gain_config(sms_context *sms)
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	862 {
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	863 char *config_gain;
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	864 config_gain = tern_find_path(config, "audio\0psg_gain\0", TVAL_PTR).ptrval;
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	865 render_audio_source_gaindb(sms->psg->audio, config_gain ? atof(config_gain) : 0.0f);
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	866 }
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	867
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	868 static void config_updated(system_header *system)
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	869 {
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	870 sms_context sms = (sms_context )system;
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	871 setup_io_devices(config, &system->info, &sms->io);
2384 03e6ac327ba0 Handle changes to sample rate while content is running Michael Pavone <pavone@retrodev.com> parents: 2325 diff changeset	872 //sample rate may have changed
03e6ac327ba0 Handle changes to sample rate while content is running Michael Pavone <pavone@retrodev.com> parents: 2325 diff changeset	873 psg_adjust_master_clock(sms->psg, sms->master_clock);
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	874 }
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	875
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	876 static void toggle_debug_view(system_header *system, uint8_t debug_view)
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	877 {
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	878 #ifndef IS_LIB
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	879 sms_context sms = (sms_context )system;
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	880 if (debug_view < DEBUG_OSCILLOSCOPE) {
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	881 vdp_toggle_debug_view(sms->vdp, debug_view);
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	882 } else if (debug_view == DEBUG_OSCILLOSCOPE) {
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	883 if (sms->psg->scope) {
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	884 oscilloscope *scope = sms->psg->scope;
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	885 sms->psg->scope = NULL;
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	886 scope_close(scope);
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	887 } else {
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	888 oscilloscope *scope = create_oscilloscope();
2256 cbe1ba70c247 Fix build after scope clock fix Michael Pavone <pavone@retrodev.com> parents: 2243 diff changeset	889 psg_enable_scope(sms->psg, scope, sms->normal_clock);
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	890 }
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	891 }
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	892 #endif
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	893 }
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	894
2525 1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	895 static void start_vgm_log(system_header system, char filename)
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	896 {
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	897 sms_context sms = (sms_context )system;
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	898 //TODO: 50 Hz support
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	899 vgm_writer *vgm = vgm_write_open(filename, 60, sms->normal_clock, sms->z80->Z80_CYCLE);
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	900 if (vgm) {
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	901 printf("Started logging VGM to %s\n", filename);
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	902 psg_run(sms->psg, sms->z80->Z80_CYCLE);
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	903 psg_vgm_log(sms->psg, sms->normal_clock, vgm);
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	904 sms->header.vgm_logging = 1;
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	905 } else {
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	906 printf("Failed to start logging to %s\n", filename);
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	907 }
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	908 }
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	909
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	910 static void stop_vgm_log(system_header *system)
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	911 {
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	912 puts("Stopped VGM log");
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	913 sms_context sms = (sms_context )system;
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	914 vgm_close(sms->psg->vgm);
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	915 sms->psg->vgm = NULL;
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	916 sms->header.vgm_logging = 0;
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	917 }
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	918
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	919 sms_context alloc_configure_sms(system_media media, uint32_t opts, uint8_t force_region)
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	920 {
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	921 sms_context *sms = calloc(1, sizeof(sms_context));
2320 8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2302 diff changeset	922 tern_node *rom_db = get_rom_db();
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2302 diff changeset	923 const memmap_chunk base_map[] = {
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2302 diff changeset	924 {0xC000, 0x10000, sizeof(sms->ram)-1, .flags = MMAP_READ\|MMAP_WRITE\|MMAP_CODE, .buffer = sms->ram}
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	925 };
2320 8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2302 diff changeset	926 sms->header.info = configure_rom_sms(rom_db, media->buffer, media->size, base_map, sizeof(base_map)/sizeof(base_map[0]));
8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2302 diff changeset	927 uint32_t rom_size = sms->header.info.rom_size;
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	928 z80_options *zopts = malloc(sizeof(z80_options));
2257 1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	929 tern_node *model_def;
2202 ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	930 uint8_t is_gamegear = !strcasecmp(media->extension, "gg");
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	931 uint8_t is_sc3000 = !strcasecmp(media->extension, "sc");
2257 1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	932 if (is_gamegear) {
1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	933 model_def = tern_find_node(get_systems_config(), "gg");
1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	934 } else if (!strcasecmp(media->extension, "sg")) {
1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	935 model_def = tern_find_node(get_systems_config(), "sg1000");
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	936 } else if (is_sc3000) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	937 model_def = tern_find_node(get_systems_config(), "sc3000");
2257 1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	938 } else {
1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	939 model_def = get_model(config, SYSTEM_SMS);
1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	940 }
2202 ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	941 char *vdp_str = tern_find_ptr(model_def, "vdp");
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	942 uint8_t vdp_type = is_gamegear ? VDP_GAMEGEAR : is_sc3000 ? VDP_TMS9918A : VDP_SMS2;
2202 ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	943 if (vdp_str) {
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	944 if (!strcmp(vdp_str, "sms1")) {
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	945 vdp_type = VDP_SMS;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	946 } else if (!strcmp(vdp_str, "sms2")) {
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	947 vdp_type = VDP_SMS2;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	948 } else if (!strcmp(vdp_str, "tms9918a")) {
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	949 vdp_type = VDP_TMS9918A;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	950 } else if (!strcmp(vdp_str, "gamegear")) {
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	951 vdp_type = VDP_GAMEGEAR;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	952 } else if (!strcmp(vdp_str, "genesis")) {
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	953 vdp_type = VDP_GENESIS;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	954 } else {
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	955 warning("Unrecognized VDP type %s\n", vdp_str);
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	956 }
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	957 }
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	958 for (uint32_t i = 0; i < sms->header.info.map_chunks; i++)
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	959 {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	960 memmap_chunk *chunk = sms->header.info.map + i;
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	961 if ((chunk->flags == MMAP_READ) && !chunk->buffer && chunk->start > 0xC000) {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	962 chunk->buffer = sms->ram + ((chunk->start - 0xC000) & 0x1FFF);
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	963 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	964 }
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	965 char *io_type = tern_find_ptr(model_def, "io");
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	966 if (io_type) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	967 if (!strcmp(io_type, "gamegear")) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	968 is_gamegear = 1;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	969 is_sc3000 = 0;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	970 } else if (!strcmp(io_type, "i8255")) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	971 is_gamegear = 0;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	972 is_sc3000 = 1;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	973 }
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	974 }
2202 ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	975 if (is_gamegear) {
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	976 init_z80_opts(zopts, sms->header.info.map, sms->header.info.map_chunks, io_gg, 6, 15, 0xFF);
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	977 sms->start_button_region = 0xC0;
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	978 } else if (is_sc3000) {
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	979 sms->keystate = calloc(sizeof(uint16_t), 7);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	980 memset(sms->keystate, 0xFF, sizeof(uint16_t) * 7);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	981 sms->i8255 = calloc(1, sizeof(i8255));
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	982 i8255_init(sms->i8255, i8255_output_updated, i8255_input_poll);
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	983 sms->i8255->system = sms;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	984 sms->kb_mux = 7;
8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	985 init_z80_opts(zopts, sms->header.info.map, sms->header.info.map_chunks, io_sc, 7, 15, 0xFF);
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	986 } else {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	987 init_z80_opts(zopts, sms->header.info.map, sms->header.info.map_chunks, io_map, 4, 15, 0xFF);
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	988 }
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	989 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	990 sms->z80->system = sms;
1752 d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable Michael Pavone <pavone@retrodev.com> parents: 1690 diff changeset	991 sms->z80->Z80_OPTS->gen.debug_cmd_handler = debug_commands;
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	992
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	993 sms->rom = media->buffer;
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	994 sms->rom_size = rom_size;
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	995 if (sms->header.info.map_chunks > 2) {
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	996 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	997 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	998 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	999 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	1000 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	1001 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	1002 }
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	1003
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	1004 //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	1005 sms->normal_clock = sms->master_clock = 53693175;
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	1006
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	1007 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	1008 psg_init(sms->psg, sms->master_clock, 15*16);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	1009
1796 51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	1010 set_gain_config(sms);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	1011
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	1012 sms->vdp = init_vdp_context(0, 0, vdp_type);
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	1013 sms->vdp->system = &sms->header;
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	1014
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	1015 sms->header.info.save_type = SAVE_NONE;
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	1016 sms->header.info.name = strdup(media->name);
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	1017
2293 3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	1018 tern_node *io_config_root = config;
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	1019 tern_node *sms_root = tern_find_node(config, "sms");
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	1020 if (sms_root) {
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	1021 tern_node *io = tern_find_node(sms_root, "io");
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	1022 if (io) {
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	1023 io_config_root = sms_root;
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	1024 }
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	1025 }
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	1026 setup_io_devices(io_config_root, &sms->header.info, &sms->io);
2521 8cf7cadc17ee Initial SC-3000 support Michael Pavone <pavone@retrodev.com> parents: 2500 diff changeset	1027 sms->header.has_keyboard = io_has_keyboard(&sms->io) \|\| sms->keystate;
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	1028
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	1029 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	1030 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	1031 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	1032 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	1033 sms->header.persist_save = persist_save;
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	1034 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	1035 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	1036 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	1037 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	1038 sms->header.soft_reset = soft_reset;
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	1039 sms->header.inc_debug_mode = inc_debug_mode;
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	1040 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	1041 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	1042 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	1043 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	1044 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	1045 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	1046 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	1047 sms->header.keyboard_up = keyboard_up;
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	1048 sms->header.config_updated = config_updated;
1690 319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	1049 sms->header.serialize = serialize;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	1050 sms->header.deserialize = deserialize;
2525 1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	1051 sms->header.start_vgm_log = start_vgm_log;
1843adbe9899 Support VGM logging for Sega 8-bit systems Michael Pavone <pavone@retrodev.com> parents: 2521 diff changeset	1052 sms->header.stop_vgm_log = stop_vgm_log;
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	1053 sms->header.toggle_debug_view = toggle_debug_view;
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	1054 sms->header.type = SYSTEM_SMS;
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	1055
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	1056 return sms;
2134 9caebcfeac72 Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests Michael Pavone <pavone@retrodev.com> parents: 1980 diff changeset	1057 }

Mercurial > repos > blastem

annotate sms.c @ 2527:7e1215d17571