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annotate sms.c @ 1932:b387f1c5a1d0

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WIP new sync mode that runs emulation on audio thread
author Michael Pavone <pavone@retrodev.com>
date Sat, 18 Apr 2020 22:36:13 -0700
parents 2d462aa78349
children 2c1c88cd1a3f 81df9aa2de9b
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1 #include <string.h>
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2 #include <stdlib.h>
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3 #include <stddef.h>
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4 #include "sms.h"
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5 #include "blastem.h"
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6 #include "render.h"
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7 #include "util.h"
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8 #include "debug.h"
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da1dce39e846 Refactored save slot related logic to reduce duplication and allow reuse in new UI. Get state loading/saving mostly working in new UI
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9 #include "saves.h"
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10 #include "bindings.h"
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11
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12 #ifdef NEW_CORE
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13 #define Z80_CYCLE cycles
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14 #define Z80_OPTS opts
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15 #define z80_handle_code_write(...)
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16 #else
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17 #define Z80_CYCLE current_cycle
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18 #define Z80_OPTS options
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19 #endif
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20
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21 static void *memory_io_write(uint32_t location, void *vcontext, uint8_t value)
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22 {
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23 z80_context *z80 = vcontext;
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24 sms_context *sms = z80->system;
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25 if (location & 1) {
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26 uint8_t fuzzy_ctrl_0 = sms->io.ports[0].control, fuzzy_ctrl_1 = sms->io.ports[1].control;
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27 io_control_write(sms->io.ports, (~value) << 5 & 0x60, z80->Z80_CYCLE);
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28 fuzzy_ctrl_0 |= sms->io.ports[0].control;
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29 io_control_write(sms->io.ports+1, (~value) << 3 & 0x60, z80->Z80_CYCLE);
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30 fuzzy_ctrl_1 |= sms->io.ports[1].control;
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31 if (
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32 (fuzzy_ctrl_0 & 0x40 & (sms->io.ports[0].output ^ (value << 1)) & (value << 1))
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33 || (fuzzy_ctrl_0 & 0x40 & (sms->io.ports[1].output ^ (value >> 1)) & (value >> 1))
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34 ) {
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35 //TH is an output and it went from 0 -> 1
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36 vdp_run_context(sms->vdp, z80->Z80_CYCLE);
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37 vdp_latch_hv(sms->vdp);
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38 }
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39 io_data_write(sms->io.ports, value << 1, z80->Z80_CYCLE);
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40 io_data_write(sms->io.ports + 1, value >> 1, z80->Z80_CYCLE);
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41 } else {
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42 //TODO: memory control write
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43 }
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44 return vcontext;
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45 }
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46
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47 static uint8_t hv_read(uint32_t location, void *vcontext)
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48 {
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49 z80_context *z80 = vcontext;
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50 sms_context *sms = z80->system;
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51 vdp_run_context(sms->vdp, z80->Z80_CYCLE);
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52 uint16_t hv = vdp_hv_counter_read(sms->vdp);
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53 if (location & 1) {
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54 return hv;
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55 } else {
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56 return hv >> 8;
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57 }
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58 }
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59
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60 static void *sms_psg_write(uint32_t location, void *vcontext, uint8_t value)
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61 {
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62 z80_context *z80 = vcontext;
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63 sms_context *sms = z80->system;
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64 psg_run(sms->psg, z80->Z80_CYCLE);
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65 psg_write(sms->psg, value);
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66 return vcontext;
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67 }
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68
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69 static void update_interrupts(sms_context *sms)
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70 {
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71 uint32_t vint = vdp_next_vint(sms->vdp);
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72 uint32_t hint = vdp_next_hint(sms->vdp);
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73 #ifdef NEW_CORE
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74 sms->z80->int_cycle = vint < hint ? vint : hint;
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75 z80_sync_cycle(sms->z80, sms->z80->sync_cycle);
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76 #else
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77 sms->z80->int_pulse_start = vint < hint ? vint : hint;
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78 #endif
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79 }
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80
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81 static uint8_t vdp_read(uint32_t location, void *vcontext)
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82 {
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83 z80_context *z80 = vcontext;
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84 sms_context *sms = z80->system;
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85 vdp_run_context(sms->vdp, z80->Z80_CYCLE);
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86 if (location & 1) {
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87 uint8_t ret = vdp_control_port_read(sms->vdp);
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88 sms->vdp->flags2 &= ~(FLAG2_VINT_PENDING|FLAG2_HINT_PENDING);
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89 update_interrupts(sms);
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90 return ret;
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91 } else {
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92 return vdp_data_port_read_pbc(sms->vdp);
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93 }
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94 }
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95
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96 static void *vdp_write(uint32_t location, void *vcontext, uint8_t value)
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97 {
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98 z80_context *z80 = vcontext;
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99 sms_context *sms = z80->system;
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100 if (location & 1) {
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101 vdp_run_context_full(sms->vdp, z80->Z80_CYCLE);
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102 vdp_control_port_write_pbc(sms->vdp, value);
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103 update_interrupts(sms);
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104 } else {
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105 vdp_run_context(sms->vdp, z80->Z80_CYCLE);
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106 vdp_data_port_write_pbc(sms->vdp, value);
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107 }
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108 return vcontext;
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109 }
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110
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111 static uint8_t io_read(uint32_t location, void *vcontext)
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112 {
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113 z80_context *z80 = vcontext;
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114 sms_context *sms = z80->system;
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115 if (location == 0xC0 || location == 0xDC) {
1752
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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.
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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
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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.
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parents:
diff changeset
123 return (port_a & 0x40) | (port_b >> 2 & 0xF) | (port_b << 1 & 0x80) | 0x10;
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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;
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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
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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
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parents: 1130
diff changeset
129 {
1433
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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
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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
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parents: 1141
diff changeset
132 if (location) {
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
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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
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parents: 1141
diff changeset
139 }
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
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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
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parents: 1148
diff changeset
141 old_value = z80->mem_pointers[2];
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parents: 1148
diff changeset
142 if (value & 8) {
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Michael Pavone <pavone@retrodev.com>
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diff changeset
143 //cartridge RAM is enabled
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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
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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
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parents: 1148
diff changeset
150 //invalidate any code we translated for the relevant bank
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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
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parents: 1148
diff changeset
152 }
1141
7e199bebde2f Initial support for Sega's family of SMS mappers
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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
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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
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parents: 1401
diff changeset
163 update_mem_map(location, sms, value);
1141
7e199bebde2f Initial support for Sega's family of SMS mappers
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diff changeset
164 return vcontext;
7e199bebde2f Initial support for Sega's family of SMS mappers
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parents: 1130
diff changeset
165 }
7e199bebde2f Initial support for Sega's family of SMS mappers
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parents: 1130
diff changeset
166
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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
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parents: 1148
diff changeset
168 {
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diff changeset
169 z80_context *z80 = vcontext;
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parents: 1148
diff changeset
170 sms_context *sms = z80->system;
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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
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parents: 1148
diff changeset
172 //cartridge RAM is enabled
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parents: 1148
diff changeset
173 location &= 0x3FFF;
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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
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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
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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
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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
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parents: 1148
diff changeset
179
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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
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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
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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
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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
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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
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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
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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
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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
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parents: 1148
diff changeset
197
1117
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parents:
diff changeset
198 static memmap_chunk io_map[] = {
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parents:
diff changeset
199 {0x00, 0x40, 0xFF, 0, 0, 0, NULL, NULL, NULL, NULL, memory_io_write},
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parents:
diff changeset
200 {0x40, 0x80, 0xFF, 0, 0, 0, NULL, NULL, NULL, hv_read, sms_psg_write},
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parents:
diff changeset
201 {0x80, 0xC0, 0xFF, 0, 0, 0, NULL, NULL, NULL, vdp_read, vdp_write},
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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.
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parents:
diff changeset
203 };
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
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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.
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parents:
diff changeset
206 {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
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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.
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parents:
diff changeset
208 uint32_t old_clock = context->master_clock;
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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.
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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.
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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
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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
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diff changeset
220 start_section(buf, SECTION_VDP);
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diff changeset
221 vdp_serialize(sms->vdp, buf);
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parents: 1401
diff changeset
222 end_section(buf);
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parents: 1401
diff changeset
223
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parents: 1401
diff changeset
224 start_section(buf, SECTION_PSG);
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parents: 1401
diff changeset
225 psg_serialize(sms->psg, buf);
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parents: 1401
diff changeset
226 end_section(buf);
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parents: 1401
diff changeset
227
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diff changeset
228 start_section(buf, SECTION_SEGA_IO_1);
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diff changeset
229 io_serialize(sms->io.ports, buf);
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parents: 1401
diff changeset
230 end_section(buf);
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parents: 1401
diff changeset
231
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parents: 1401
diff changeset
232 start_section(buf, SECTION_SEGA_IO_2);
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parents: 1401
diff changeset
233 io_serialize(sms->io.ports + 1, buf);
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parents: 1401
diff changeset
234 end_section(buf);
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parents: 1401
diff changeset
235
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parents: 1401
diff changeset
236 start_section(buf, SECTION_MAIN_RAM);
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parents: 1401
diff changeset
237 save_int8(buf, sizeof(sms->ram) / 1024);
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parents: 1401
diff changeset
238 save_buffer8(buf, sms->ram, sizeof(sms->ram));
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diff changeset
239 end_section(buf);
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diff changeset
240
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parents: 1401
diff changeset
241 start_section(buf, SECTION_MAPPER);
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parents: 1401
diff changeset
242 save_int8(buf, 1);//mapper type, 1 for Sega mapper
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parents: 1401
diff changeset
243 save_buffer8(buf, sms->bank_regs, sizeof(sms->bank_regs));
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diff changeset
244 end_section(buf);
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diff changeset
245
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diff changeset
246 start_section(buf, SECTION_CART_RAM);
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diff changeset
247 save_int8(buf, SMS_CART_RAM_SIZE / 1024);
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parents: 1401
diff changeset
248 save_buffer8(buf, sms->cart_ram, SMS_CART_RAM_SIZE);
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diff changeset
249 end_section(buf);
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diff changeset
250 }
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diff changeset
251
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diff changeset
252 static uint8_t *serialize(system_header *sys, size_t *size_out)
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diff changeset
253 {
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diff changeset
254 sms_context *sms = (sms_context *)sys;
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diff changeset
255 serialize_buffer state;
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diff changeset
256 init_serialize(&state);
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diff changeset
257 sms_serialize(sms, &state);
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diff changeset
258 if (size_out) {
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diff changeset
259 *size_out = state.size;
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diff changeset
260 }
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diff changeset
261 return state.data;
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diff changeset
262 }
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diff changeset
263
1433
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diff changeset
264 static void ram_deserialize(deserialize_buffer *buf, void *vsms)
c886c54d8cf1 Added save states to SMS emulation
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parents: 1401
diff changeset
265 {
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
266 sms_context *sms = vsms;
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parents: 1401
diff changeset
267 uint32_t ram_size = load_int8(buf) * 1024;
c886c54d8cf1 Added save states to SMS emulation
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parents: 1401
diff changeset
268 if (ram_size > sizeof(sms->ram)) {
c886c54d8cf1 Added save states to SMS emulation
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diff changeset
269 fatal_error("State has a RAM size of %d bytes", ram_size);
c886c54d8cf1 Added save states to SMS emulation
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parents: 1401
diff changeset
270 }
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parents: 1401
diff changeset
271 load_buffer8(buf, sms->ram, ram_size);
c886c54d8cf1 Added save states to SMS emulation
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parents: 1401
diff changeset
272 }
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
273
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
274 static void cart_ram_deserialize(deserialize_buffer *buf, void *vsms)
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parents: 1401
diff changeset
275 {
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parents: 1401
diff changeset
276 sms_context *sms = vsms;
c886c54d8cf1 Added save states to SMS emulation
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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 }
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
281 load_buffer8(buf, sms->cart_ram, ram_size);
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parents: 1401
diff changeset
282 }
c886c54d8cf1 Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
283
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parents: 1401
diff changeset
284 static void mapper_deserialize(deserialize_buffer *buf, void *vsms)
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parents: 1401
diff changeset
285 {
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
286 sms_context *sms = vsms;
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
287 uint8_t mapper_type = load_int8(buf);
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
288 if (mapper_type != 1) {
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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);
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parents: 1401
diff changeset
290 return;
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
291 }
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
292 for (int i = 0; i < sizeof(sms->bank_regs); i++)
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parents: 1401
diff changeset
293 {
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parents: 1401
diff changeset
294 sms->bank_regs[i] = load_int8(buf);
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parents: 1401
diff changeset
295 update_mem_map(i, sms, sms->bank_regs[i]);
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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
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parents: 1401
diff changeset
299 void sms_deserialize(deserialize_buffer *buf, sms_context *sms)
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
300 {
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Michael Pavone <pavone@retrodev.com>
parents: 1401
diff changeset
301 register_section_handler(buf, (section_handler){.fun = z80_deserialize, .data = sms->z80}, SECTION_Z80);
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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
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parents: 1688
diff changeset
319 free(buf->handlers);
319d90025d50 Implement serialization/deserialization in libretro build
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parents: 1688
diff changeset
320 buf->handlers = NULL;
319d90025d50 Implement serialization/deserialization in libretro build
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parents: 1688
diff changeset
321 }
319d90025d50 Implement serialization/deserialization in libretro build
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parents: 1688
diff changeset
322
319d90025d50 Implement serialization/deserialization in libretro build
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parents: 1688
diff changeset
323 static void deserialize(system_header *sys, uint8_t *data, size_t size)
319d90025d50 Implement serialization/deserialization in libretro build
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parents: 1688
diff changeset
324 {
319d90025d50 Implement serialization/deserialization in libretro build
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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 - 3420*262*2;
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 }