repos/blastem: sms.c annotate

annotate sms.c @ 2496:187bc857a76a default tip

Fix bug in MED mapper protection bit implementation

author	Michael Pavone <pavone@retrodev.com>
date	Sun, 28 Apr 2024 23:33:11 -0700
parents	767ec72acca7
children

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
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	129 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	130 {
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	131 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	132 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	133 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	134 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	135 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	136 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	137 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	138 //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	139 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	140 }
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	141 } 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	142 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	143 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	144 //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	145 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	146 } 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	147 //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	148 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	149 }
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	150 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	151 //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	152 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	153 }
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	154 }
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	155 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	156
2320 8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2302 diff changeset	157 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	158 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	159 z80_context *z80 = vcontext;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	160 sms_context *sms = z80->system;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	161 location &= 3;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	162 sms->ram[0x1FFC + location] = value;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	163 sms->bank_regs[location] = value;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	164 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	165 return vcontext;
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	166 }
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	167
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	168 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	169 {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	170 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	171 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	172 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	173 //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	174 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	175 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	176 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	177 }
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 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	179 }
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
2325 26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	181 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	182 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	183 sms_context *sms = z80->system;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	184 if (value != sms->bank_regs[bank]) {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	185 sms->bank_regs[bank] = value;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	186 value &= 0x7F;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	187 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	188 z80_invalidate_code_range(z80, bank * 0x4000, bank * 0x4000 + 0x4000);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	189 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	190 return z80;
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	191 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	192
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	193 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	194 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	195 return codemasters_write(0, vcontext, value);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	196 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	197
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	198 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	199 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	200 return codemasters_write(1, vcontext, value);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	201 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	202
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	203 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	204 {
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	205 //TODO: Handle Ernie Els Golf cart RAM
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	206 return codemasters_write(2, vcontext, value);
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	207 }
26597f9805b4 Initial Codemasters mapper support Michael Pavone <pavone@retrodev.com> parents: 2321 diff changeset	208
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	209 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	210 {
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 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	212 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	213 {
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 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	215 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	216 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	217 } 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	218 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	219 } 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	220 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	221 }
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	222 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	223 }
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	224 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	225 }
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	226
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	227 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	228 {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	229 z80_context *z80 = vcontext;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	230 sms_context *sms = z80->system;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	231 if (!location) {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	232 return sms->start_button_region;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	233 } else {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	234 //TODO: implement link port
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	235 return 0xFF;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	236 }
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	237 }
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	238
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	239 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	240 {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	241 //TODO: implement link port
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	242 return vcontext;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	243 }
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	244 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	245 {
2196 2648081f3100 Implement Game Gear PSG panning Michael Pavone <pavone@retrodev.com> parents: 2195 diff changeset	246 z80_context *z80 = vcontext;
2648081f3100 Implement Game Gear PSG panning Michael Pavone <pavone@retrodev.com> parents: 2195 diff changeset	247 sms_context *sms = z80->system;
2648081f3100 Implement Game Gear PSG panning Michael Pavone <pavone@retrodev.com> parents: 2195 diff changeset	248 psg_run(sms->psg, z80->Z80_CYCLE);
2648081f3100 Implement Game Gear PSG panning Michael Pavone <pavone@retrodev.com> parents: 2195 diff changeset	249 sms->psg->pan = value;
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	250 return vcontext;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	251 }
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	252 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	253 {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	254 {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	255 {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	256 {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	257 };
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	258
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	259 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	260 {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	261 {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	262 {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	263 {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	264 {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	265 {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	266 };
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	267
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	268 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	269 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	270 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	271 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	272 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	273
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	274 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	275 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	276
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	277 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	278 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	279 start_section(buf, SECTION_Z80);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	280 z80_serialize(sms->z80, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	281 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	282
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	283 start_section(buf, SECTION_VDP);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	284 vdp_serialize(sms->vdp, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	285 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	286
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	287 start_section(buf, SECTION_PSG);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	288 psg_serialize(sms->psg, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	289 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	290
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	291 start_section(buf, SECTION_SEGA_IO_1);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	292 io_serialize(sms->io.ports, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	293 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	294
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	295 start_section(buf, SECTION_SEGA_IO_2);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	296 io_serialize(sms->io.ports + 1, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	297 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	298
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	299 start_section(buf, SECTION_MAIN_RAM);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	300 save_int8(buf, sizeof(sms->ram) / 1024);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	301 save_buffer8(buf, sms->ram, sizeof(sms->ram));
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	302 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	303
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	304 start_section(buf, SECTION_MAPPER);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	305 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	306 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	307 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	308
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	309 start_section(buf, SECTION_CART_RAM);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	310 save_int8(buf, SMS_CART_RAM_SIZE / 1024);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	311 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	312 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	313 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	314
1690 319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	315 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	316 {
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	317 sms_context sms = (sms_context )sys;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	318 serialize_buffer state;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	319 init_serialize(&state);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	320 sms_serialize(sms, &state);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	321 if (size_out) {
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	322 *size_out = state.size;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	323 }
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	324 return state.data;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	325 }
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	326
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	327 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	328 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	329 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	330 uint32_t ram_size = load_int8(buf) * 1024;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	331 if (ram_size > sizeof(sms->ram)) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	332 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	333 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	334 load_buffer8(buf, sms->ram, ram_size);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	335 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	336
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	337 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	338 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	339 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	340 uint32_t ram_size = load_int8(buf) * 1024;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	341 if (ram_size > SMS_CART_RAM_SIZE) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	342 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	343 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	344 load_buffer8(buf, sms->cart_ram, ram_size);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	345 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	346
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	347 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	348 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	349 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	350 uint8_t mapper_type = load_int8(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	351 if (mapper_type != 1) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	352 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	353 return;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	354 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	355 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	356 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	357 sms->bank_regs[i] = load_int8(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	358 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	359 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	360 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	361
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	362 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	363 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	364 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	365 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	366 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	367 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	368 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	369 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	370 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	371 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	372 //TODO: cart RAM
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	373 while (buf->cur_pos < buf->size)
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 load_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	376 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	377 z80_invalidate_code_range(sms->z80, 0xC000, 0x10000);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	378 if (sms->bank_regs[0] & 8) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	379 //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	380 z80_invalidate_code_range(sms->z80, 0x8000, 0xC000);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	381 }
1690 319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	382 free(buf->handlers);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	383 buf->handlers = NULL;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	384 }
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	385
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	386 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	387 {
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	388 sms_context sms = (sms_context )sys;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	389 deserialize_buffer buffer;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	390 init_deserialize(&buffer, data, size);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	391 sms_deserialize(&buffer, sms);
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	392 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	393
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	394 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	395 {
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	396 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	397 serialize_buffer state;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	398 init_serialize(&state);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	399 sms_serialize(sms, &state);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	400 save_to_file(&state, save_path);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	401 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	402 free(save_path);
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	403 free(state.data);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	404 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	405
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	406 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	407 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	408 deserialize_buffer state;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	409 uint8_t ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	410 if ((ret = load_from_file(&state, path))) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	411 sms_deserialize(&state, sms);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	412 free(state.data);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	413 printf("Loaded %s\n", path);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	414 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	415 return ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	416 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	417
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	418 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	419 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	420 sms_context sms = (sms_context )system;
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	421 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	422 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	423 #ifndef NEW_CORE
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	424 if (!sms->z80->native_pc) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	425 ret = get_modification_time(statepath) != 0;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	426 if (ret) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	427 system->delayed_load_slot = slot + 1;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	428 }
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	429 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	430
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	431 }
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	432 #endif
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	433 ret = load_state_path(sms, statepath);
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	434 done:
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	435 free(statepath);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	436 return ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	437 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	438
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	439 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	440 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	441 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	442 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	443 //TODO: PAL support
2200 f11f4399d64b Crop display in game gear mode Michael Pavone <pavone@retrodev.com> parents: 2197 diff changeset	444 if (sms->vdp->type == VDP_GAMEGEAR) {
f11f4399d64b Crop display in game gear mode Michael Pavone <pavone@retrodev.com> parents: 2197 diff changeset	445 render_set_video_standard(VID_GAMEGEAR);
f11f4399d64b Crop display in game gear mode Michael Pavone <pavone@retrodev.com> parents: 2197 diff changeset	446 } else {
f11f4399d64b Crop display in game gear mode Michael Pavone <pavone@retrodev.com> parents: 2197 diff changeset	447 render_set_video_standard(VID_NTSC);
f11f4399d64b Crop display in game gear mode Michael Pavone <pavone@retrodev.com> parents: 2197 diff changeset	448 }
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	449 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	450 {
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	451 if (system->delayed_load_slot) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	452 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	453 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	454
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	455 }
2179 9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	456 if (sms->vdp->frame != sms->last_frame) {
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	457 #ifndef IS_LIB
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	458 if (sms->psg->scope) {
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	459 scope_render(sms->psg->scope);
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	460 }
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	461 #endif
2179 9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	462 uint32_t elapsed = sms->vdp->frame - sms->last_frame;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	463 sms->last_frame = sms->vdp->frame;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	464 if (system->enter_debugger_frames) {
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	465 if (elapsed >= system->enter_debugger_frames) {
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	466 system->enter_debugger_frames = 0;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	467 system->enter_debugger = 1;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	468 } else {
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	469 system->enter_debugger_frames -= elapsed;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	470 }
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	471 }
2194 01ff005b08f6 Very rudimentary support for Game Gear VDP emulation Michael Pavone <pavone@retrodev.com> parents: 2179 diff changeset	472
2179 9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	473 if(exit_after){
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	474 if (elapsed >= exit_after) {
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	475 exit(0);
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	476 } else {
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	477 exit_after -= elapsed;
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	478 }
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	479 }
9a8dd4ba2753 Implement frame advance debugger command Michael Pavone <pavone@retrodev.com> parents: 2134 diff changeset	480 }
2424 767ec72acca7 Avoid conflicts between watchpoints and normal debugger entry Michael Pavone <pavone@retrodev.com> parents: 2400 diff changeset	481 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	482 if (!sms->z80->wp_hit) {
767ec72acca7 Avoid conflicts between watchpoints and normal debugger entry Michael Pavone <pavone@retrodev.com> parents: 2400 diff changeset	483 system->enter_debugger = 0;
767ec72acca7 Avoid conflicts between watchpoints and normal debugger entry Michael Pavone <pavone@retrodev.com> parents: 2400 diff changeset	484 }
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	485 #ifndef IS_LIB
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	486 zdebugger(sms->z80, sms->z80->pc);
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	487 #endif
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	488 }
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	489 #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	490 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	491 #else
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	492 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	493 #endif
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	494 uint32_t nmi = vdp_next_nmi(sms->vdp);
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	495 if (nmi != CYCLE_NEVER) {
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	496 z80_assert_nmi(sms->z80, nmi);
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	497 }
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	498 }
2400 c97609fe8315 Implement watchpoints in Z80 debugger Michael Pavone <pavone@retrodev.com> parents: 2384 diff changeset	499
2424 767ec72acca7 Avoid conflicts between watchpoints and normal debugger entry Michael Pavone <pavone@retrodev.com> parents: 2400 diff changeset	500 if (system->enter_debugger \|\| sms->z80->wp_hit) {
2400 c97609fe8315 Implement watchpoints in Z80 debugger Michael Pavone <pavone@retrodev.com> parents: 2384 diff changeset	501 target_cycle = sms->z80->Z80_CYCLE + 1;
c97609fe8315 Implement watchpoints in Z80 debugger Michael Pavone <pavone@retrodev.com> parents: 2384 diff changeset	502 }
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	503 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	504 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	505 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	506 }
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	507 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	508 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	509 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	510
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	511 if (system->save_state) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	512 while (!sms->z80->pc) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	513 //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	514 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	515 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	516 save_state(sms, system->save_state - 1);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	517 system->save_state = 0;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	518 }
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	519
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	520 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	521 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	522 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	523 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	524 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	525 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	526 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	527 sms->psg->cycles -= adjust;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	528 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	529 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	530 }
1980 81df9aa2de9b Less hacky run on audio thread mode Michael Pavone <pavone@retrodev.com> parents: 1932 diff changeset	531 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	532 bindings_release_capture();
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	533 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	534 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	535 }
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	536 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	537 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	538
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	539 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	540 {
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	541 sms_context sms = (sms_context )system;
1980 81df9aa2de9b Less hacky run on audio thread mode Michael Pavone <pavone@retrodev.com> parents: 1932 diff changeset	542 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	543 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	544 bindings_reacquire_capture();
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	545 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	546 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	547 }
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	548 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	549 }
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	550
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	551 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	552 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	553 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	554
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	555 z80_assert_reset(sms->z80, 0);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	556 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	557
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	558 if (statefile) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	559 load_state_path(sms, statefile);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	560 }
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	561
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	562 if (system->enter_debugger) {
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	563 system->enter_debugger = 0;
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	564 #ifndef IS_LIB
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	565 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	566 #endif
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	567 }
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	568
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	569 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	570 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	571
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	572 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	573 {
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	574 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	575 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	576 #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	577 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	578 #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	579 }
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	580
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	581 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	582 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	583 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	584 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	585 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	586 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	587 psg_free(sms->psg);
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	588 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	589 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	590
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	591 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	592 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	593 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	594 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	595
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	596 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	597 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	598 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	599 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	600 #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	601 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	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 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	604
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	605 static void inc_debug_mode(system_header *system)
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	606 {
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	607 sms_context sms = (sms_context )system;
1643 6909c5d0bbb5 Removed old VDP debug functionality Michael Pavone <pavone@retrodev.com> parents: 1640 diff changeset	608 vdp_inc_debug_mode(sms->vdp);
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	609 }
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	610
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	611 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	612 {
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	613 //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	614 }
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	615
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	616 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	617 {
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	618 //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	619 }
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	620
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	621 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	622 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	623 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	624 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	625 if (button == MAIN_UNIT_PAUSE) {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	626 vdp_pbc_pause(sms->vdp);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	627 }
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	628 } 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	629 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	630 } else {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	631 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	632 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	633 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	634
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	635 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	636 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	637 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	638 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	639 sms->start_button_region \|= 0x80;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	640 } else {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	641 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	642 }
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	643 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	644
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	645 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	646 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	647 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	648 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	649 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	650
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	651 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	652 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	653 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	654 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	655 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	656
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	657 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	658 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	659 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	660 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	661 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	662
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	663 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	664 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	665 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	666 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	667 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	668
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	669 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	670 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	671 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	672 io_keyboard_down(&sms->io, scancode);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	673 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	674
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	675 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	676 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	677 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	678 io_keyboard_up(&sms->io, scancode);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	679 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	680
1796 51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	681 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	682 {
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	683 char *config_gain;
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	684 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	685 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	686 }
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	687
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	688 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	689 {
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	690 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	691 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	692 //sample rate may have changed
03e6ac327ba0 Handle changes to sample rate while content is running Michael Pavone <pavone@retrodev.com> parents: 2325 diff changeset	693 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	694 }
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	695
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	696 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	697 {
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	698 #ifndef IS_LIB
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	699 sms_context sms = (sms_context )system;
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	700 if (debug_view < DEBUG_OSCILLOSCOPE) {
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	701 vdp_toggle_debug_view(sms->vdp, debug_view);
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	702 } else if (debug_view == DEBUG_OSCILLOSCOPE) {
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	703 if (sms->psg->scope) {
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	704 oscilloscope *scope = sms->psg->scope;
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	705 sms->psg->scope = NULL;
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	706 scope_close(scope);
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	707 } else {
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	708 oscilloscope *scope = create_oscilloscope();
2256 cbe1ba70c247 Fix build after scope clock fix Michael Pavone <pavone@retrodev.com> parents: 2243 diff changeset	709 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	710 }
0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	711 }
2302 0343f0d5add0 Fix libretro build for real Michael Pavone <pavone@retrodev.com> parents: 2293 diff changeset	712 #endif
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	713 }
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	714
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	715 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	716 {
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	717 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	718 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	719 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	720 {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	721 };
2320 8016dbb0fcde Initial work on ROM DB support for SMS/GG games Michael Pavone <pavone@retrodev.com> parents: 2302 diff changeset	722 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	723 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	724 z80_options *zopts = malloc(sizeof(z80_options));
2257 1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	725 tern_node *model_def;
2202 ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	726 uint8_t is_gamegear = !strcasecmp(media->extension, "gg");
2257 1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	727 if (is_gamegear) {
1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	728 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	729 } else if (!strcasecmp(media->extension, "sg")) {
1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	730 model_def = tern_find_node(get_systems_config(), "sg1000");
1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	731 } else {
1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	732 model_def = get_model(config, SYSTEM_SMS);
1e626d0ecf9c WIP SG-1000/TMS9918A mode support Michael Pavone <pavone@retrodev.com> parents: 2256 diff changeset	733 }
2202 ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	734 char *vdp_str = tern_find_ptr(model_def, "vdp");
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	735 uint8_t vdp_type = is_gamegear ? VDP_GENESIS : VDP_GAMEGEAR;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	736 if (vdp_str) {
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	737 if (!strcmp(vdp_str, "sms1")) {
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	738 vdp_type = VDP_SMS;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	739 } 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	740 vdp_type = VDP_SMS2;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	741 } 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	742 vdp_type = VDP_TMS9918A;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	743 } 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	744 vdp_type = VDP_GAMEGEAR;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	745 } 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	746 vdp_type = VDP_GENESIS;
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	747 } else {
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	748 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	749 }
ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	750 }
2321 2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	751 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	752 {
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	753 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	754 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	755 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	756 }
2eda5f81f91e More fully baked ROM db support for SMS Michael Pavone <pavone@retrodev.com> parents: 2320 diff changeset	757 }
2202 ee6d30c56eeb Add separate model/IO selection settings for SMS/GG Michael Pavone <pavone@retrodev.com> parents: 2200 diff changeset	758 if (is_gamegear) {
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	759 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	760 sms->start_button_region = 0xC0;
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	761 } else {
40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	762 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	763 }
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	764 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	765 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	766 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	767
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	768 sms->rom = media->buffer;
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	769 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	770 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	771 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	772 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	773 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	774 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	775 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	776 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	777 }
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	778
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	779 //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	780 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	781
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	782 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	783 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	784
1796 51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	785 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	786
2195 40290a923886 Implement Game Gear start button and region register Michael Pavone <pavone@retrodev.com> parents: 2194 diff changeset	787 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	788 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	789
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	790 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	791 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	792
2293 3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	793 tern_node *io_config_root = config;
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	794 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	795 if (sms_root) {
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	796 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	797 if (io) {
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	798 io_config_root = sms_root;
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	799 }
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	800 }
3e0d463eb9b3 Actually use SMS specific controller config Michael Pavone <pavone@retrodev.com> parents: 2257 diff changeset	801 setup_io_devices(io_config_root, &sms->header.info, &sms->io);
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	802 sms->header.has_keyboard = io_has_keyboard(&sms->io);
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	803
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	804 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	805 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	806 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	807 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	808 sms->header.persist_save = persist_save;
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	809 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	810 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	811 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	812 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	813 sms->header.soft_reset = soft_reset;
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	814 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	815 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	816 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	817 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	818 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	819 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	820 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	821 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	822 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	823 sms->header.config_updated = config_updated;
1690 319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	824 sms->header.serialize = serialize;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	825 sms->header.deserialize = deserialize;
2243 0d1d5dccdd28 Initial implementation of oscilloscope debug view Michael Pavone <pavone@retrodev.com> parents: 2202 diff changeset	826 sms->header.toggle_debug_view = toggle_debug_view;
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	827 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	828
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	829 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	830 }

Mercurial > repos > blastem

annotate sms.c @ 2496:187bc857a76a default tip