repos/blastem: sms.c annotate

annotate sms.c @ 1971:80920c21bb52

Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame

author	Michael Pavone <pavone@retrodev.com>
date	Fri, 08 May 2020 11:40:30 -0700
parents	b387f1c5a1d0
children	2c1c88cd1a3f 81df9aa2de9b

rev	line source
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 #include <string.h>
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 #include <stdlib.h>
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 #include <stddef.h>
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 #include "sms.h"
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 #include "blastem.h"
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 #include "render.h"
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	7 #include "util.h"
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	8 #include "debug.h"
1478 da1dce39e846 Refactored save slot related logic to reduce duplication and allow reuse in new UI. Get state loading/saving mostly working in new UI Michael Pavone <pavone@retrodev.com> parents: 1433 diff changeset	9 #include "saves.h"
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	10 #include "bindings.h"
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	11
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	12 #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	13 #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	14 #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	15 #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	16 #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	17 #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	18 #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	19 #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	20
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	21 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	22 {
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 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	24 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	25 if (location & 1) {
1154 c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	26 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	27 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	28 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	29 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	30 fuzzy_ctrl_1 \|= sms->io.ports[1].control;
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	31 if (
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	32 (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	33 \|\| (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	34 ) {
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	35 //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	36 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	37 vdp_latch_hv(sms->vdp);
c83ec07ddbac Implemented Mode 4 H conter latching Michael Pavone <pavone@retrodev.com> parents: 1149 diff changeset	38 }
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	39 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	40 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	41 } 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	42 //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	43 }
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 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	45 }
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 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	48 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 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	50 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	51 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	52 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	53 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	54 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	55 } 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	56 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	57 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	58 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	59
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	60 static void 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	61 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	62 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	63 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	64 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	65 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	66 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	67 }
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 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	70 {
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 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	72 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	73 #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	74 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	75 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	76 #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	77 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	78 #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	79 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	80
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	81 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	82 {
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 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	84 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	85 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	86 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	87 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	88 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	89 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	90 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	91 } 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	92 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	93 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	94 }
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 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	97 {
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 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	99 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	100 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	101 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	102 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	103 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	104 } 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	105 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	106 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	107 }
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 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	109 }
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 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	112 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	113 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	114 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	115 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	116 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	117 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	118 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	119 }
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 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	121 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	122 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	123 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	124 }
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 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	126 }
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
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	128 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	129 {
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	130 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	131 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	132 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	133 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	134 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	135 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	136 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	137 //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	138 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	139 }
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 } 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	141 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	142 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	143 //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	144 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	145 } 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	146 //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	147 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	148 }
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 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	150 //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	151 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	152 }
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	153 }
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	154 }
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 static void mapper_write(uint32_t location, void vcontext, uint8_t value)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	157 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	158 z80_context *z80 = vcontext;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	159 sms_context *sms = z80->system;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	160 location &= 3;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	161 sms->ram[0x1FFC + location] = value;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	162 sms->bank_regs[location] = value;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	163 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	164 return vcontext;
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	165 }
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	166
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	167 static void cart_ram_write(uint32_t location, void vcontext, uint8_t value)
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	168 {
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 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	170 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	171 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	172 //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	173 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	174 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	175 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	176 }
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	177 return 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	178 }
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	179
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 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	181 {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	182 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	183 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	184 {
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	185 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	186 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	187 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	188 } 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	189 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	190 } 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	191 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	192 }
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	193 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	194 }
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	195 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	196 }
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	197
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	198 static memmap_chunk io_map[] = {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	199 {0x00, 0x40, 0xFF, 0, 0, 0, NULL, NULL, NULL, NULL, memory_io_write},
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	200 {0x40, 0x80, 0xFF, 0, 0, 0, NULL, NULL, NULL, hv_read, sms_psg_write},
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	201 {0x80, 0xC0, 0xFF, 0, 0, 0, NULL, NULL, NULL, vdp_read, vdp_write},
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	202 {0xC0, 0x100,0xFF, 0, 0, 0, NULL, NULL, NULL, io_read, NULL}
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	203 };
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	204
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	205 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	206 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	207 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	208 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	209 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	210
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	211 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	212 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	213
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	214 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	215 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	216 start_section(buf, SECTION_Z80);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	217 z80_serialize(sms->z80, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	218 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	219
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	220 start_section(buf, SECTION_VDP);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	221 vdp_serialize(sms->vdp, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	222 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	223
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	224 start_section(buf, SECTION_PSG);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	225 psg_serialize(sms->psg, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	226 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	227
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	228 start_section(buf, SECTION_SEGA_IO_1);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	229 io_serialize(sms->io.ports, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	230 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	231
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	232 start_section(buf, SECTION_SEGA_IO_2);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	233 io_serialize(sms->io.ports + 1, buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	234 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	235
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	236 start_section(buf, SECTION_MAIN_RAM);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	237 save_int8(buf, sizeof(sms->ram) / 1024);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	238 save_buffer8(buf, sms->ram, sizeof(sms->ram));
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	239 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	240
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	241 start_section(buf, SECTION_MAPPER);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	242 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	243 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	244 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	245
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	246 start_section(buf, SECTION_CART_RAM);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	247 save_int8(buf, SMS_CART_RAM_SIZE / 1024);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	248 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	249 end_section(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	250 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	251
1690 319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	252 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	253 {
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	254 sms_context sms = (sms_context )sys;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	255 serialize_buffer state;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	256 init_serialize(&state);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	257 sms_serialize(sms, &state);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	258 if (size_out) {
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	259 *size_out = state.size;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	260 }
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	261 return state.data;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	262 }
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	263
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	264 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	265 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	266 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	267 uint32_t ram_size = load_int8(buf) * 1024;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	268 if (ram_size > sizeof(sms->ram)) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	269 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	270 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	271 load_buffer8(buf, sms->ram, ram_size);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	272 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	273
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	274 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	275 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	276 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	277 uint32_t ram_size = load_int8(buf) * 1024;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	278 if (ram_size > SMS_CART_RAM_SIZE) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	279 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	280 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	281 load_buffer8(buf, sms->cart_ram, ram_size);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	282 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	283
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	284 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	285 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	286 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	287 uint8_t mapper_type = load_int8(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	288 if (mapper_type != 1) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	289 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	290 return;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	291 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	292 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	293 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	294 sms->bank_regs[i] = load_int8(buf);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	295 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	296 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	297 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	298
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	299 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	300 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	301 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	302 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	303 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	304 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	305 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	306 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	307 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	308 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	309 //TODO: cart RAM
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	310 while (buf->cur_pos < buf->size)
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	311 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	312 load_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 z80_invalidate_code_range(sms->z80, 0xC000, 0x10000);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	315 if (sms->bank_regs[0] & 8) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	316 //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	317 z80_invalidate_code_range(sms->z80, 0x8000, 0xC000);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	318 }
1690 319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	319 free(buf->handlers);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	320 buf->handlers = NULL;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	321 }
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	322
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	323 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	324 {
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	325 sms_context sms = (sms_context )sys;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	326 deserialize_buffer buffer;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	327 init_deserialize(&buffer, data, size);
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	328 sms_deserialize(&buffer, sms);
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	329 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	330
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	331 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	332 {
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	333 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	334 serialize_buffer state;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	335 init_serialize(&state);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	336 sms_serialize(sms, &state);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	337 save_to_file(&state, save_path);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	338 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	339 free(save_path);
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	340 free(state.data);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	341 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	342
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	343 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	344 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	345 deserialize_buffer state;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	346 uint8_t ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	347 if ((ret = load_from_file(&state, path))) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	348 sms_deserialize(&state, sms);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	349 free(state.data);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	350 printf("Loaded %s\n", path);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	351 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	352 return ret;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	353 }
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 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	356 {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	357 sms_context sms = (sms_context )system;
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	358 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	359 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	360 #ifndef NEW_CORE
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	361 if (!sms->z80->native_pc) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	362 ret = get_modification_time(statepath) != 0;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	363 if (ret) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	364 system->delayed_load_slot = slot + 1;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	365 }
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	366 goto done;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	367
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	368 }
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	369 #endif
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	370 ret = load_state_path(sms, statepath);
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	371 done:
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	372 free(statepath);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	373 return ret;
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
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	376 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	377 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	378 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	379 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	380 //TODO: PAL support
b1147418254a Overscan is now configurable Michael Pavone <pavone@retrodev.com> parents: 1162 diff changeset	381 render_set_video_standard(VID_NTSC);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	382 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	383 {
1480 8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	384 if (system->delayed_load_slot) {
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	385 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	386 system->delayed_load_slot = 0;
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	387
8464a3f09b94 Get SMS savestates working in Nuklear UI Michael Pavone <pavone@retrodev.com> parents: 1478 diff changeset	388 }
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	389 if (system->enter_debugger && sms->z80->pc) {
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	390 system->enter_debugger = 0;
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	391 zdebugger(sms->z80, sms->z80->pc);
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	392 }
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	393 #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	394 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	395 #else
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	396 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	397 #endif
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	398 uint32_t nmi = vdp_next_nmi(sms->vdp);
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	399 if (nmi != CYCLE_NEVER) {
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	400 z80_assert_nmi(sms->z80, nmi);
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	401 }
e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	402 }
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	403 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	404 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	405 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	406 }
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	407 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	408 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	409 psg_run(sms->psg, target_cycle);
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	410
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	411 if (system->save_state) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	412 while (!sms->z80->pc) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	413 //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	414 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	415 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	416 save_state(sms, system->save_state - 1);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	417 system->save_state = 0;
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	418 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	419
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	420 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	421 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	422 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	423 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	424 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	425 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	426 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	427 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	428 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	429 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	430 }
1932 b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	431 if (render_should_release_on_exit()) {
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	432 bindings_release_capture();
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	433 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	434 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	435 }
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	436 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	437 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	438
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	439 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	440 {
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	441 sms_context sms = (sms_context )system;
1932 b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	442 if (render_should_release_on_exit()) {
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	443 bindings_reacquire_capture();
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread Michael Pavone <pavone@retrodev.com> parents: 1906 diff changeset	444 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	445 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	446 }
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	447 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	448 }
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	449
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	450 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	451 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	452 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	453
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	454 z80_assert_reset(sms->z80, 0);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	455 z80_clear_reset(sms->z80, 128*15);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	456
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	457 if (statefile) {
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	458 load_state_path(sms, statefile);
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	459 }
c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	460
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	461 if (system->enter_debugger) {
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	462 system->enter_debugger = 0;
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	463 zinsert_breakpoint(sms->z80, sms->z80->pc, (uint8_t *)zdebugger);
1129 6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	464 }
6b5c92b6205c Enabled Z80 debugger in PBC mode Michael Pavone <pavone@retrodev.com> parents: 1126 diff changeset	465
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	466 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	467 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	468
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	469 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	470 {
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	471 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	472 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	473 #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	474 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	475 #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	476 }
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	477
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	478 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	479 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	480 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	481 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	482 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	483 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	484 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	485 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	486 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	487
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	488 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	489 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	490 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	491 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	492
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	493 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	494 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	495 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	496 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	497 #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	498 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	499 #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	500 }
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	501
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	502 static void inc_debug_mode(system_header *system)
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	503 {
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	504 sms_context sms = (sms_context )system;
1643 6909c5d0bbb5 Removed old VDP debug functionality Michael Pavone <pavone@retrodev.com> parents: 1640 diff changeset	505 vdp_inc_debug_mode(sms->vdp);
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	506 }
e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	507
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	508 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	509 {
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	510 //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	511 }
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	512
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	513 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	514 {
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	515 //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	516 }
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	517
1583 430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	518 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	519 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	520 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	521 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	522 if (button == MAIN_UNIT_PAUSE) {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	523 vdp_pbc_pause(sms->vdp);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	524 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	525 } else {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	526 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	527 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	528 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	529
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	530 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	531 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	532 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	533 io_gamepad_up(&sms->io, gamepad_num, button);
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	534 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	535
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	536 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	537 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	538 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	539 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	540 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	541
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	542 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	543 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	544 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	545 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	546 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	547
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	548 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	549 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	550 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	551 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	552 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	553
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	554 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	555 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	556 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	557 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	558 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	559
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	560 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	561 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	562 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	563 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	564 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	565
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	566 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	567 {
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	568 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	569 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	570 }
430dd12e4010 Refactor to split device bindings from IO emulation code Michael Pavone <pavone@retrodev.com> parents: 1555 diff changeset	571
1796 51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	572 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	573 {
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	574 char *config_gain;
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	575 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	576 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	577 }
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	578
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	579 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	580 {
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	581 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	582 setup_io_devices(config, &system->info, &sms->io);
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	583 }
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	584
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	585
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	586 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	587 {
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	588 sms_context *sms = calloc(1, sizeof(sms_context));
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	589 uint32_t rom_size = nearest_pow2(media->size);
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	590 memmap_chunk memory_map[6];
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	591 if (media->size > 0xC000) {
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	592 sms->header.info.map_chunks = 6;
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	593 uint8_t *ram_reg_overlap = sms->ram + sizeof(sms->ram) - 4;
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	594 memory_map[0] = (memmap_chunk){0x0000, 0x0400, 0xFFFF, 0, 0, MMAP_READ, media->buffer, NULL, NULL, NULL, NULL};
1142 5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	595 memory_map[1] = (memmap_chunk){0x0400, 0x4000, 0xFFFF, 0, 0, MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE, NULL, NULL, NULL, NULL, NULL};
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	596 memory_map[2] = (memmap_chunk){0x4000, 0x8000, 0x3FFF, 0, 1, MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE, NULL, NULL, NULL, NULL, NULL};
1149 6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions Michael Pavone <pavone@retrodev.com> parents: 1148 diff changeset	597 memory_map[3] = (memmap_chunk){0x8000, 0xC000, 0x3FFF, 0, 2, MMAP_READ\|MMAP_PTR_IDX\|MMAP_CODE, NULL, NULL, NULL, NULL, cart_ram_write};
1142 5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1141 diff changeset	598 memory_map[4] = (memmap_chunk){0xC000, 0xFFFC, sizeof(sms->ram)-1, 0, 0, MMAP_READ\|MMAP_WRITE\|MMAP_CODE, sms->ram, NULL, NULL, NULL, NULL};
1162 c4ea535cf57e Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall Michael Pavone <pavone@retrodev.com> parents: 1154 diff changeset	599 memory_map[5] = (memmap_chunk){0xFFFC, 0x10000, 0x0003, 0, 0, MMAP_READ, ram_reg_overlap, NULL, NULL, NULL, mapper_write};
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	600 } else {
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	601 sms->header.info.map_chunks = 2;
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	602 memory_map[0] = (memmap_chunk){0x0000, 0xC000, rom_size-1, 0, 0, MMAP_READ, media->buffer, NULL, NULL, NULL, NULL};
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	603 memory_map[1] = (memmap_chunk){0xC000, 0x10000, sizeof(sms->ram)-1, 0, 0, MMAP_READ\|MMAP_WRITE\|MMAP_CODE, sms->ram, NULL, NULL, NULL, NULL};
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	604 };
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	605 sms->header.info.map = malloc(sizeof(memmap_chunk) * sms->header.info.map_chunks);
360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	606 memcpy(sms->header.info.map, memory_map, sizeof(memmap_chunk) * sms->header.info.map_chunks);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	607 z80_options *zopts = malloc(sizeof(z80_options));
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	608 init_z80_opts(zopts, sms->header.info.map, sms->header.info.map_chunks, io_map, 4, 15, 0xFF);
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1129 diff changeset	609 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	610 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	611 sms->z80->Z80_OPTS->gen.debug_cmd_handler = debug_commands;
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	612
1201 aee2177a1630 Use filename for game title in SMS mode Michael Pavone <pavone@retrodev.com> parents: 1184 diff changeset	613 sms->rom = media->buffer;
1141 7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	614 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	615 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	616 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	617 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	618 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	619 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	620 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	621 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	622 }
7e199bebde2f Initial support for Sega's family of SMS mappers Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	623
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	624 //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	625 sms->normal_clock = sms->master_clock = 53693175;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	626
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	627 sms->psg = 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	628 psg_init(sms->psg, sms->master_clock, 15*16);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	629
1796 51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	630 set_gain_config(sms);
51417bb557b6 Configurable gain for overall output and individual components Michael Pavone <pavone@retrodev.com> parents: 1759 diff changeset	631
1906 2d462aa78349 Make VDP VSRAM capacity respect model selection Michael Pavone <pavone@retrodev.com> parents: 1796 diff changeset	632 sms->vdp = init_vdp_context(0, 0);
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	633 sms->vdp->system = &sms->header;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	634
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	635 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	636 sms->header.info.name = strdup(media->name);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	637
1595 360d5bab199f Update controller config when changed in UI without restart Michael Pavone <pavone@retrodev.com> parents: 1583 diff changeset	638 setup_io_devices(config, &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	639 sms->header.has_keyboard = io_has_keyboard(&sms->io);
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	640
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	641 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	642 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	643 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	644 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	645 sms->header.persist_save = persist_save;
1433 c886c54d8cf1 Added save states to SMS emulation Michael Pavone <pavone@retrodev.com> parents: 1401 diff changeset	646 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	647 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	648 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	649 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	650 sms->header.soft_reset = soft_reset;
1120 e9369d6f0101 Somewhat broken implementation of Mode 4 Michael Pavone <pavone@retrodev.com> parents: 1119 diff changeset	651 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	652 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	653 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	654 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	655 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	656 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	657 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	658 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	659 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	660 sms->header.config_updated = config_updated;
1690 319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	661 sms->header.serialize = serialize;
319d90025d50 Implement serialization/deserialization in libretro build Mike Pavone <pavone@retrodev.com> parents: 1688 diff changeset	662 sms->header.deserialize = deserialize;
1377 e587f16e7d3d Implemented SMS pause button Michael Pavone <pavone@retrodev.com> parents: 1371 diff changeset	663 sms->header.type = SYSTEM_SMS;
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	664
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	665 return sms;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: diff changeset	666 }

Mercurial > repos > blastem

annotate sms.c @ 1971:80920c21bb52