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annotate blastem.c @ 1106:cacbd3f18f03

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Fix field flag handling bug introduced with VDP/render interface cleanup
author Michael Pavone <pavone@retrodev.com>
date Mon, 12 Dec 2016 09:50:33 -0800
parents 22e87b739ad6
children 2eb54e24914e
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140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING
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1 /*
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2 Copyright 2013-2016 Michael Pavone
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3 This file is part of BlastEm.
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
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5 */
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <ctype.h>
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10
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11 #include "68kinst.h"
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12 #include "m68k_core.h"
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13 #include "z80_to_x86.h"
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14 #include "mem.h"
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15 #include "vdp.h"
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16 #include "render.h"
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17 #include "genesis.h"
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1495179d6737 Initial GDB remote debugging support. Lacks some features, but breakpoints and basic inspection of registers and memory work.
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18 #include "gdb_remote.h"
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b7c3b2d22858 Added support for saving savestates. Added gst savestate format test harness
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19 #include "gst.h"
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20 #include "util.h"
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21 #include "romdb.h"
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22 #include "terminal.h"
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23 #include "arena.h"
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24 #include "config.h"
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25
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26 #define BLASTEM_VERSION "0.4.1"
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27
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28 #ifdef __ANDROID__
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29 #define FULLSCREEN_DEFAULT 1
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30 #else
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31 #define FULLSCREEN_DEFAULT 0
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32 #endif
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33
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34 int headless = 0;
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b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
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35 int exit_after = 0;
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36 int z80_enabled = 1;
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37 int frame_limit = 0;
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38
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39 tern_node * config;
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40
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41 #ifndef MIN
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42 #define MIN(a,b) ((a) < (b) ? (a) : (b))
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43 #endif
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44
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45 #define SMD_HEADER_SIZE 512
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46 #define SMD_MAGIC1 0x03
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47 #define SMD_MAGIC2 0xAA
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48 #define SMD_MAGIC3 0xBB
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49 #define SMD_BLOCK_SIZE 0x4000
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50
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51 int load_smd_rom(long filesize, FILE * f, uint16_t **buffer)
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52 {
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53 uint8_t block[SMD_BLOCK_SIZE];
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54 filesize -= SMD_HEADER_SIZE;
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55 fseek(f, SMD_HEADER_SIZE, SEEK_SET);
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56
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57 uint16_t *dst = *buffer = malloc(nearest_pow2(filesize));
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58 int rom_size = filesize;
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59 while (filesize > 0) {
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60 fread(block, 1, SMD_BLOCK_SIZE, f);
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61 for (uint8_t *low = block, *high = (block+SMD_BLOCK_SIZE/2), *end = block+SMD_BLOCK_SIZE; high < end; high++, low++) {
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62 *(dst++) = *low << 8 | *high;
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63 }
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64 filesize -= SMD_BLOCK_SIZE;
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65 }
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66 return rom_size;
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67 }
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68
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69 int load_rom(char * filename, uint16_t **dst)
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70 {
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71 uint8_t header[10];
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72 FILE * f = fopen(filename, "rb");
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73 if (!f) {
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74 return 0;
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75 }
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76 if (sizeof(header) != fread(header, 1, sizeof(header), f)) {
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77 fatal_error("Error reading from %s\n", filename);
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78 }
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79 fseek(f, 0, SEEK_END);
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80 long filesize = ftell(f);
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81 fseek(f, 0, SEEK_SET);
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82 if (header[1] == SMD_MAGIC1 && header[8] == SMD_MAGIC2 && header[9] == SMD_MAGIC3) {
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83 int i;
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84 for (i = 3; i < 8; i++) {
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85 if (header[i] != 0) {
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86 break;
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87 }
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88 }
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89 if (i == 8) {
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90 if (header[2]) {
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91 fatal_error("%s is a split SMD ROM which is not currently supported", filename);
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92 }
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93 return load_smd_rom(filesize, f, dst);
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94 }
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95 }
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96 *dst = malloc(nearest_pow2(filesize));
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97 if (filesize != fread(*dst, 1, filesize, f)) {
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98 fatal_error("Error reading from %s\n", filename);
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99 }
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100 fclose(f);
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101 return filesize;
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102 }
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103
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104
186
02e25abe2dcd Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write
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parents: 185
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105
198
209a37eed3e7 Add support for breaking into the debugger while game is running
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106 int break_on_sync = 0;
955
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
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107 char *save_state_path;
260
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108
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109
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110
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111
483
3e1573fa22cf Implement turbo/slow motion feature that overclocks or underclocks the entire system at the push of a button
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112
767
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113 char * save_filename;
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114 genesis_context *genesis;
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115 genesis_context *menu_context;
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116 genesis_context *game_context;
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117 void persist_save()
351
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118 {
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119 if (!game_context) {
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120 return;
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121 }
767
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122 FILE * f = fopen(save_filename, "wb");
351
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123 if (!f) {
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124 fprintf(stderr, "Failed to open %s file %s for writing\n", game_context->save_type == SAVE_I2C ? "EEPROM" : "SRAM", save_filename);
351
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125 return;
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126 }
1009
883fe974f72b Fix bug in which save RAM/EEPROM was not persisted correctly if the emulator is exited via the menu rather than the X button in the title bar
Michael Pavone <pavone@retrodev.com>
parents: 1008
diff changeset
127 fwrite(game_context->save_storage, 1, game_context->save_size, f);
351
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents: 346
diff changeset
128 fclose(f);
1009
883fe974f72b Fix bug in which save RAM/EEPROM was not persisted correctly if the emulator is exited via the menu rather than the X button in the title bar
Michael Pavone <pavone@retrodev.com>
parents: 1008
diff changeset
129 printf("Saved %s to %s\n", game_context->save_type == SAVE_I2C ? "EEPROM" : "SRAM", save_filename);
351
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents: 346
diff changeset
130 }
2f264d2a60c2 Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents: 346
diff changeset
131
874
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
132
211
464513050c85 Small bit of cleanup
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
133
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents: 753
diff changeset
134 char *title;
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents: 753
diff changeset
135 void update_title(char *rom_name)
340
58a085cfc6bd Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents: 338
diff changeset
136 {
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents: 753
diff changeset
137 if (title) {
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents: 753
diff changeset
138 free(title);
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents: 753
diff changeset
139 title = NULL;
340
58a085cfc6bd Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents: 338
diff changeset
140 }
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents: 753
diff changeset
141 title = alloc_concat(rom_name, " - BlastEm");
874
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
142 render_update_caption(title);
340
58a085cfc6bd Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents: 338
diff changeset
143 }
58a085cfc6bd Set window title based on ROM header name
Mike Pavone <pavone@retrodev.com>
parents: 338
diff changeset
144
956
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
145 void setup_saves(char *fname, rom_info *info, genesis_context *context)
955
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
146 {
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
147 char * barename = basename_no_extension(fname);
1008
51885857c019 Removed assumptions that path separators are Unix style outside of Unix-only verions of functions
Michael Pavone <pavone@retrodev.com>
parents: 1002
diff changeset
148 char const * parts[3] = {get_save_dir(), PATH_SEP, barename};
955
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
149 char *save_dir = alloc_concat_m(3, parts);
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
150 if (!ensure_dir_exists(save_dir)) {
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
151 warning("Failed to create save directory %s\n", save_dir);
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
152 }
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
153 parts[0] = save_dir;
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
154 parts[2] = info->save_type == SAVE_I2C ? "save.eeprom" : "save.sram";
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
155 free(save_filename);
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
156 save_filename = alloc_concat_m(3, parts);
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
157 parts[2] = "quicksave.gst";
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
158 free(save_state_path);
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
159 save_state_path = alloc_concat_m(3, parts);
956
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
160 context->save_dir = save_dir;
955
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
161 free(barename);
956
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
162 if (info->save_type != SAVE_NONE) {
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
163 FILE * f = fopen(save_filename, "rb");
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
164 if (f) {
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
165 uint32_t read = fread(context->save_storage, 1, info->save_size, f);
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
166 fclose(f);
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
167 if (read > 0) {
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
168 printf("Loaded %s from %s\n", info->save_type == SAVE_I2C ? "EEPROM" : "SRAM", save_filename);
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
169 }
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
170 }
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
171 atexit(persist_save);
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
172 }
955
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
173 }
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
Michael Pavone <pavone@retrodev.com>
parents: 953
diff changeset
174
88
c339559f1d4f Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 int main(int argc, char ** argv)
c339559f1d4f Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
176 {
496
6fc71114d145 Extract function to determine executable directory from load_config so it can be used elsewhere
Mike Pavone <pavone@retrodev.com>
parents: 488
diff changeset
177 set_exe_str(argv[0]);
6fc71114d145 Extract function to determine executable directory from load_config so it can be used elsewhere
Mike Pavone <pavone@retrodev.com>
parents: 488
diff changeset
178 config = load_config();
184
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
179 int width = -1;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
180 int height = -1;
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
181 int debug = 0;
407
c3abc4ada43d Add support for logging YM2612 channels to WAVE files
Mike Pavone <pavone@retrodev.com>
parents: 405
diff changeset
182 int ym_log = 0;
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
183 int loaded = 0;
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
184 uint8_t force_region = 0;
469
5f3344d0d42f Fix argument handling so that the rom filename does not need to be specified first
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
185 char * romfname = NULL;
197
7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler
Mike Pavone <pavone@retrodev.com>
parents: 195
diff changeset
186 FILE *address_log = NULL;
425
8b3ae850d1c4 Forgot to null initialize the statfile pointer
Mike Pavone <pavone@retrodev.com>
parents: 424
diff changeset
187 char * statefile = NULL;
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1009
diff changeset
188 int rom_size, lock_on_size;
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
189 uint16_t *cart = NULL, *lock_on = NULL;
515
1495179d6737 Initial GDB remote debugging support. Lacks some features, but breakpoints and basic inspection of registers and memory work.
Mike Pavone <pavone@retrodev.com>
parents: 510
diff changeset
190 uint8_t * debuggerfun = NULL;
860
213c3b5160d0 Default to fullscreen on Android since windowed mode does not make sense there
Michael Pavone <pavone@retrodev.com>
parents: 846
diff changeset
191 uint8_t fullscreen = FULLSCREEN_DEFAULT, use_gl = 1;
885
e3f5ec336432 Allow menu ROM to be debugged
Michael Pavone <pavone@retrodev.com>
parents: 884
diff changeset
192 uint8_t debug_target = 0;
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
193 for (int i = 1; i < argc; i++) {
184
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
194 if (argv[i][0] == '-') {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
195 switch(argv[i][1]) {
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 501
diff changeset
196 case 'b':
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 501
diff changeset
197 i++;
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 501
diff changeset
198 if (i >= argc) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 787
diff changeset
199 fatal_error("-b must be followed by a frame count\n");
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 501
diff changeset
200 }
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 501
diff changeset
201 headless = 1;
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 501
diff changeset
202 exit_after = atoi(argv[i]);
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 501
diff changeset
203 break;
184
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
204 case 'd':
515
1495179d6737 Initial GDB remote debugging support. Lacks some features, but breakpoints and basic inspection of registers and memory work.
Mike Pavone <pavone@retrodev.com>
parents: 510
diff changeset
205 debuggerfun = (uint8_t *)debugger;
885
e3f5ec336432 Allow menu ROM to be debugged
Michael Pavone <pavone@retrodev.com>
parents: 884
diff changeset
206 //allow debugging the menu
e3f5ec336432 Allow menu ROM to be debugged
Michael Pavone <pavone@retrodev.com>
parents: 884
diff changeset
207 if (argv[i][2] == 'm') {
e3f5ec336432 Allow menu ROM to be debugged
Michael Pavone <pavone@retrodev.com>
parents: 884
diff changeset
208 debug_target = 1;
e3f5ec336432 Allow menu ROM to be debugged
Michael Pavone <pavone@retrodev.com>
parents: 884
diff changeset
209 }
515
1495179d6737 Initial GDB remote debugging support. Lacks some features, but breakpoints and basic inspection of registers and memory work.
Mike Pavone <pavone@retrodev.com>
parents: 510
diff changeset
210 break;
1495179d6737 Initial GDB remote debugging support. Lacks some features, but breakpoints and basic inspection of registers and memory work.
Mike Pavone <pavone@retrodev.com>
parents: 510
diff changeset
211 case 'D':
1495179d6737 Initial GDB remote debugging support. Lacks some features, but breakpoints and basic inspection of registers and memory work.
Mike Pavone <pavone@retrodev.com>
parents: 510
diff changeset
212 gdb_remote_init();
1495179d6737 Initial GDB remote debugging support. Lacks some features, but breakpoints and basic inspection of registers and memory work.
Mike Pavone <pavone@retrodev.com>
parents: 510
diff changeset
213 debuggerfun = (uint8_t *)gdb_debug_enter;
184
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
214 break;
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 336
diff changeset
215 case 'f':
860
213c3b5160d0 Default to fullscreen on Android since windowed mode does not make sense there
Michael Pavone <pavone@retrodev.com>
parents: 846
diff changeset
216 fullscreen = !fullscreen;
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 336
diff changeset
217 break;
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
218 case 'g':
501
e1355aa80f4d Use OpenGL by default. Add OpenGL switch to help text
Mike Pavone <pavone@retrodev.com>
parents: 496
diff changeset
219 use_gl = 0;
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
220 break;
197
7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler
Mike Pavone <pavone@retrodev.com>
parents: 195
diff changeset
221 case 'l':
7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler
Mike Pavone <pavone@retrodev.com>
parents: 195
diff changeset
222 address_log = fopen("address.log", "w");
7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler
Mike Pavone <pavone@retrodev.com>
parents: 195
diff changeset
223 break;
464
226ed16b1fb6 Added version flag
Mike Pavone <pavone@retrodev.com>
parents: 463
diff changeset
224 case 'v':
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 787
diff changeset
225 info_message("blastem %s\n", BLASTEM_VERSION);
464
226ed16b1fb6 Added version flag
Mike Pavone <pavone@retrodev.com>
parents: 463
diff changeset
226 return 0;
226ed16b1fb6 Added version flag
Mike Pavone <pavone@retrodev.com>
parents: 463
diff changeset
227 break;
265
c6d12878ea93 Add -n flag for disabling the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
228 case 'n':
c6d12878ea93 Add -n flag for disabling the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
229 z80_enabled = 0;
c6d12878ea93 Add -n flag for disabling the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
230 break;
341
6ad8e36de685 Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
231 case 'r':
6ad8e36de685 Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
232 i++;
6ad8e36de685 Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
233 if (i >= argc) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 787
diff changeset
234 fatal_error("-r must be followed by region (J, U or E)\n");
341
6ad8e36de685 Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
235 }
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
236 force_region = translate_region_char(toupper(argv[i][0]));
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
237 if (!force_region) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 787
diff changeset
238 fatal_error("'%c' is not a valid region character for the -r option\n", argv[i][0]);
341
6ad8e36de685 Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
239 }
6ad8e36de685 Support regions other than USA
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
240 break;
424
7e8e179116af Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents: 422
diff changeset
241 case 's':
7e8e179116af Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents: 422
diff changeset
242 i++;
7e8e179116af Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents: 422
diff changeset
243 if (i >= argc) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 787
diff changeset
244 fatal_error("-s must be followed by a savestate filename\n");
424
7e8e179116af Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents: 422
diff changeset
245 }
7e8e179116af Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents: 422
diff changeset
246 statefile = argv[i];
7e8e179116af Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents: 422
diff changeset
247 break;
832
0433fdd9ba66 Added a command line option to force BlastEm to not open a new terminal even if it detects that stdin/out are not terminals
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
248 case 't':
0433fdd9ba66 Added a command line option to force BlastEm to not open a new terminal even if it detects that stdin/out are not terminals
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
249 force_no_terminal();
0433fdd9ba66 Added a command line option to force BlastEm to not open a new terminal even if it detects that stdin/out are not terminals
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
250 break;
407
c3abc4ada43d Add support for logging YM2612 channels to WAVE files
Mike Pavone <pavone@retrodev.com>
parents: 405
diff changeset
251 case 'y':
c3abc4ada43d Add support for logging YM2612 channels to WAVE files
Mike Pavone <pavone@retrodev.com>
parents: 405
diff changeset
252 ym_log = 1;
c3abc4ada43d Add support for logging YM2612 channels to WAVE files
Mike Pavone <pavone@retrodev.com>
parents: 405
diff changeset
253 break;
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1009
diff changeset
254 case 'o': {
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1009
diff changeset
255 i++;
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1009
diff changeset
256 if (i >= argc) {
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1009
diff changeset
257 fatal_error("-o must be followed by a lock on cartridge filename\n");
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1009
diff changeset
258 }
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
259 lock_on_size = load_rom(argv[i], &lock_on);
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
260 if (!lock_on_size) {
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1009
diff changeset
261 fatal_error("Failed to load lock on cartridge %s\n", argv[i]);
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1009
diff changeset
262 }
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1009
diff changeset
263 break;
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 1009
diff changeset
264 }
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
265 case 'h':
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 787
diff changeset
266 info_message(
469
5f3344d0d42f Fix argument handling so that the rom filename does not need to be specified first
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
267 "Usage: blastem [OPTIONS] ROMFILE [WIDTH] [HEIGHT]\n"
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
268 "Options:\n"
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
269 " -h Print this help text\n"
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
270 " -r (J|U|E) Force region to Japan, US or Europe respectively\n"
1017
216fa63749b3 Added documentation for lock-on support and a fullscreen config option.
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
271 " -f Toggles fullscreen mode\n"
501
e1355aa80f4d Use OpenGL by default. Add OpenGL switch to help text
Mike Pavone <pavone@retrodev.com>
parents: 496
diff changeset
272 " -g Disable OpenGL rendering\n"
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
273 " -s FILE Load a GST format savestate from FILE\n"
1017
216fa63749b3 Added documentation for lock-on support and a fullscreen config option.
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
274 " -o FILE Load FILE as a lock-on cartridge\n"
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
275 " -d Enter debugger on startup\n"
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
276 " -n Disable Z80\n"
501
e1355aa80f4d Use OpenGL by default. Add OpenGL switch to help text
Mike Pavone <pavone@retrodev.com>
parents: 496
diff changeset
277 " -v Display version number and exit\n"
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
278 " -l Log 68K code addresses (useful for assemblers)\n"
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
279 " -y Log individual YM-2612 channels to WAVE files\n"
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
280 );
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
281 return 0;
184
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
282 default:
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 787
diff changeset
283 fatal_error("Unrecognized switch %s\n", argv[i]);
184
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
284 }
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
285 } else if (!loaded) {
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
286 if (!(rom_size = load_rom(argv[i], &cart))) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 787
diff changeset
287 fatal_error("Failed to open %s for reading\n", argv[i]);
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
288 }
469
5f3344d0d42f Fix argument handling so that the rom filename does not need to be specified first
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
289 romfname = argv[i];
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
290 loaded = 1;
184
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
291 } else if (width < 0) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
292 width = atoi(argv[i]);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
293 } else if (height < 0) {
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
294 height = atoi(argv[i]);
88
c339559f1d4f Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
295 }
c339559f1d4f Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
296 }
874
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
297 uint8_t menu = !loaded;
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
298 if (!loaded) {
874
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
299 //load menu
948
f87522554d7b Allow changing the 68K clock divider in the config file
Michael Pavone <pavone@retrodev.com>
parents: 940
diff changeset
300 romfname = tern_find_path(config, "ui\0rom\0").ptrval;
874
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
301 if (!romfname) {
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
302 romfname = "menu.bin";
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
303 }
1008
51885857c019 Removed assumptions that path separators are Unix style outside of Unix-only verions of functions
Michael Pavone <pavone@retrodev.com>
parents: 1002
diff changeset
304 if (is_absolute_path(romfname)) {
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
305 if (!(rom_size = load_rom(romfname, &cart))) {
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
306 fatal_error("Failed to open UI ROM %s for reading", romfname);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
307 }
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
308 } else {
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
309 long fsize;
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
310 cart = (uint16_t *)read_bundled_file(romfname, &fsize);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
311 if (!cart) {
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
312 fatal_error("Failed to open UI ROM %s for reading", romfname);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
313 }
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
314 rom_size = nearest_pow2(fsize);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
315 if (rom_size > fsize) {
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
316 cart = realloc(cart, rom_size);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
317 }
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 874
diff changeset
318 }
872
7022ba865cfd Initial work for allowing loading a ROM from menu
Michael Pavone <pavone@retrodev.com>
parents: 861
diff changeset
319
861
4e394d9a7548 Added temporary hack for loading a fixed ROM path so that Android build is "useable" before UI is in place
Michael Pavone <pavone@retrodev.com>
parents: 860
diff changeset
320 loaded = 1;
463
a1d298119153 Added -h help text option
Mike Pavone <pavone@retrodev.com>
parents: 458
diff changeset
321 }
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
322
433
ed4d0017c041 Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents: 430
diff changeset
323 int def_width = 0;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
324 char *config_width = tern_find_path(config, "video\0width\0").ptrval;
433
ed4d0017c041 Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents: 430
diff changeset
325 if (config_width) {
ed4d0017c041 Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents: 430
diff changeset
326 def_width = atoi(config_width);
ed4d0017c041 Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents: 430
diff changeset
327 }
ed4d0017c041 Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents: 430
diff changeset
328 if (!def_width) {
ed4d0017c041 Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents: 430
diff changeset
329 def_width = 640;
ed4d0017c041 Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents: 430
diff changeset
330 }
ed4d0017c041 Read default render width from config file
Mike Pavone <pavone@retrodev.com>
parents: 430
diff changeset
331 width = width < 320 ? def_width : width;
184
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents: 166
diff changeset
332 height = height < 240 ? (width/320) * 240 : height;
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
333
1017
216fa63749b3 Added documentation for lock-on support and a fullscreen config option.
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
334 char *config_fullscreen = tern_find_path(config, "video\0fullscreen\0").ptrval;
216fa63749b3 Added documentation for lock-on support and a fullscreen config option.
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
335 if (config_fullscreen && !strcmp("on", config_fullscreen)) {
216fa63749b3 Added documentation for lock-on support and a fullscreen config option.
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
336 fullscreen = !fullscreen;
216fa63749b3 Added documentation for lock-on support and a fullscreen config option.
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
337 }
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 351
diff changeset
338 if (!headless) {
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
339 render_init(width, height, "BlastEm", fullscreen);
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 341
diff changeset
340 }
874
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
341
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
342 rom_info info;
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
343 uint32_t ym_opts = (ym_log && !menu) ? YM_OPT_WAVE_LOG : 0;
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
344 genesis = alloc_config_genesis(cart, rom_size, lock_on, lock_on_size, ym_opts, force_region, &info);
956
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
345 setup_saves(romfname, &info, genesis);
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
346 update_title(info.name);
874
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
347 if (menu) {
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
348 menu_context = genesis;
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
349 } else {
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
350 genesis->m68k->options->address_log = address_log;
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
351 game_context = genesis;
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
352 }
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
353
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
354 set_keybindings(genesis->ports);
885
e3f5ec336432 Allow menu ROM to be debugged
Michael Pavone <pavone@retrodev.com>
parents: 884
diff changeset
355 start_genesis(genesis, menu ? NULL : statefile, menu == debug_target ? debuggerfun : NULL);
883
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
356 for(;;)
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
357 {
949
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 940
diff changeset
358 if (genesis->should_exit) {
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 940
diff changeset
359 break;
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 940
diff changeset
360 }
883
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
361 if (menu && menu_context->next_rom) {
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
362 if (game_context) {
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
363 if (game_context->save_type != SAVE_NONE) {
940
4f4f8385da8d Fix saving of SRAM/EEPROM when switching games in menu
Michael Pavone <pavone@retrodev.com>
parents: 939
diff changeset
364 genesis = game_context;
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
365 persist_save();
940
4f4f8385da8d Fix saving of SRAM/EEPROM when switching games in menu
Michael Pavone <pavone@retrodev.com>
parents: 939
diff changeset
366 genesis = menu_context;
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
367 }
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
368 //swap to game context arena and mark all allocated pages in it free
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
369 genesis->arena = set_current_arena(game_context->arena);
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
370 mark_all_free();
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
371 free_genesis(game_context);
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
372 } else {
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
373 //start a new arena and save old one in suspended genesis context
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
374 genesis->arena = start_new_arena();
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
375 }
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
376 if (!(rom_size = load_rom(menu_context->next_rom, &cart))) {
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
377 fatal_error("Failed to open %s for reading\n", menu_context->next_rom);
883
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
378 }
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
379 //allocate new genesis context
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
380 game_context = alloc_config_genesis(cart, rom_size, lock_on, lock_on_size, ym_opts,force_region, &info);
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
381 menu_context->next_context = game_context;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
382 game_context->next_context = menu_context;
956
f5550cdffe49 Saving the save directory in the rom_info struct didn't make sense. It should be in the console context.
Michael Pavone <pavone@retrodev.com>
parents: 955
diff changeset
383 setup_saves(menu_context->next_rom, &info, game_context);
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1097
diff changeset
384 update_title(info.name);
883
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
385 free(menu_context->next_rom);
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
386 menu_context->next_rom = NULL;
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
387 menu = 0;
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
388 genesis = game_context;
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
389 genesis->m68k->options->address_log = address_log;
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
390 map_all_bindings(genesis->ports);
885
e3f5ec336432 Allow menu ROM to be debugged
Michael Pavone <pavone@retrodev.com>
parents: 884
diff changeset
391 start_genesis(genesis, statefile, menu == debug_target ? debuggerfun : NULL);
949
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 940
diff changeset
392 } else if (menu && game_context) {
883
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
393 genesis->arena = set_current_arena(game_context->arena);
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
394 genesis = game_context;
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
395 menu = 0;
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
396 map_all_bindings(genesis->ports);
883
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
397 resume_68k(genesis->m68k);
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
398 } else if (!menu && menu_context) {
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
399 genesis->arena = set_current_arena(menu_context->arena);
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
400 genesis = menu_context;
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
401 menu = 1;
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 883
diff changeset
402 map_all_bindings(genesis->ports);
883
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
403 resume_68k(genesis->m68k);
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
404 } else {
9f149f0e98b7 It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
405 break;
874
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
406 }
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
407 }
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
408
88
c339559f1d4f Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
409 return 0;
c339559f1d4f Forgot to add blastem main file earlier
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
410 }