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annotate menu.c @ 1484:d82af64c94d2 nuklear_ui

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author Michael Pavone <pavone@retrodev.com>
date Sun, 26 Nov 2017 17:33:39 -0800
parents 77a401044935
children 369da70ee2c2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include <stdint.h>
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include <stdio.h>
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5 #include <errno.h>
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6 #include "genesis.h"
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7 #include "menu.h"
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8 #include "backend.h"
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9 #include "util.h"
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10 #include "gst.h"
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11 #include "paths.h"
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12 #include "saves.h"
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13
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14 static menu_context *get_menu(genesis_context *gen)
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15 {
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16 menu_context *menu = gen->extra;
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17 if (!menu) {
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18 gen->extra = menu = calloc(1, sizeof(menu_context));
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19 get_initial_browse_path(&menu->curpath);
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20 }
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21 return menu;
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22 }
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23
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24 uint16_t menu_read_w(uint32_t address, void * vcontext)
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25 {
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26 if ((address >> 1) == 14) {
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27 m68k_context *context = vcontext;
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28 menu_context *menu = get_menu(context->system);
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29 uint16_t value = menu->external_game_load;
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30 if (value) {
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31 printf("Read: %X\n", value);
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32 }
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33 menu->external_game_load = 0;
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34 return value;
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35 } else {
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36 //This should return the status of the last request with 0
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37 //meaning either the request is complete or no request is pending
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38 //in the current implementation, the operations happen instantly
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39 //in emulated time so we can always return 0
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40 return 0;
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41 }
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42 }
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43
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44 void copy_string_from_guest(m68k_context *m68k, uint32_t guest_addr, char *buf, size_t maxchars)
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45 {
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46 char *cur;
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47 char *src = NULL;
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48 for (cur = buf; cur < buf+maxchars; cur+=2, guest_addr+=2, src+=2)
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49 {
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50 if (!src || !(guest_addr & 0xFFFF)) {
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51 //we may have walked off the end of a memory block, get a fresh native pointer
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52 src = get_native_pointer(guest_addr, (void **)m68k->mem_pointers, &m68k->options->gen);
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53 if (!src) {
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54 break;
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55 }
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56 }
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57 *cur = src[1];
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58 cur[1] = *src;
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59 if (!*src || !src[1]) {
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60 break;
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61 }
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62 }
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63 //make sure we terminate the string even if we did not hit a null terminator in the source
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64 buf[maxchars-1] = 0;
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65 }
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66
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67 void copy_to_guest(m68k_context *m68k, uint32_t guest_addr, char *src, size_t tocopy)
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68 {
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69 char *dst = NULL;
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70 for (char *cur = src; cur < src+tocopy; cur+=2, guest_addr+=2, dst+=2)
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71 {
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72 if (!dst || !(guest_addr & 0xFFFF)) {
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73 //we may have walked off the end of a memory block, get a fresh native pointer
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74 dst = get_native_pointer(guest_addr, (void **)m68k->mem_pointers, &m68k->options->gen);
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75 if (!dst) {
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76 break;
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77 }
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78 }
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79 dst[1] = *cur;
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80 *dst = cur[1];
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81 }
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82 }
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83
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84 #define SAVE_INFO_BUFFER_SIZE (11*40)
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85
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86 uint32_t copy_dir_entry_to_guest(uint32_t dst, m68k_context *m68k, char *name, uint8_t is_dir)
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87 {
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88 uint8_t *dest = get_native_pointer(dst, (void **)m68k->mem_pointers, &m68k->options->gen);
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89 if (!dest) {
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90 return 0;
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91 }
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92 *(dest++) = is_dir;
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93 *(dest++) = 1;
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94 dst += 2;
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95 uint8_t term = 0;
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96 for (char *cpos = name; *cpos; cpos++)
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97 {
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98 dest[1] = *cpos;
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99 dest[0] = cpos[1];
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100 if (cpos[1]) {
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101 cpos++;
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102 } else {
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103 term = 1;
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104 }
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105 dst += 2;
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106 if (!(dst & 0xFFFF)) {
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107 //we may have walked off the end of a memory block, get a fresh native pointer
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108 dest = get_native_pointer(dst, (void **)m68k->mem_pointers, &m68k->options->gen);
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109 if (!dest) {
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110 break;
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111 }
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112 } else {
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113 dest += 2;
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114 }
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115 }
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116 if (!term) {
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117 *(dest++) = 0;
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118 *dest = 0;
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119 dst += 2;
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120 }
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121 return dst;
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122 }
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123
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124 void * menu_write_w(uint32_t address, void * context, uint16_t value)
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125 {
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126 m68k_context *m68k = context;
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127 genesis_context *gen = m68k->system;
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128 menu_context *menu = get_menu(gen);
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129 if (menu->state) {
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130 uint32_t dst = menu->latch << 16 | value;
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131 switch (address >> 2)
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132 {
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133 case 0: {
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134 #ifdef _WIN32
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135 //handle virtual "drives" directory
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parents: 1034
diff changeset
136 if (menu->curpath[0] == PATH_SEP[0]) {
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
137 char drivestrings[4096];
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
138 if (sizeof(drivestrings) >= GetLogicalDriveStrings(sizeof(drivestrings), drivestrings)) {
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
139 for (char *cur = drivestrings; *cur; cur += strlen(cur) + 1)
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
140 {
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
141 dst = copy_dir_entry_to_guest(dst, m68k, cur, 1);
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
142 }
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
143 }
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
144 //terminate list
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
145 uint8_t *dest = get_native_pointer(dst, (void **)m68k->mem_pointers, &m68k->options->gen);
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
146 if (dest) {
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
147 *dest = dest[1] = 0;
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
148 }
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
149 break;
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
150 }
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
151 #endif
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
152 size_t num_entries;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
153 dir_entry *entries = get_dir_list(menu->curpath, &num_entries);
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
154 if (entries) {
1484
d82af64c94d2 Sort directory listing in Nuklear UI file browser
Michael Pavone <pavone@retrodev.com>
parents: 1481
diff changeset
155 sort_dir_list(entries, num_entries);
933
f7da9b4df0e7 Log errors opening directories in the menu code
Michael Pavone <pavone@retrodev.com>
parents: 884
diff changeset
156 } else {
934
05b0a0d4fa40 Add strerror output to menu dir open failure message
Michael Pavone <pavone@retrodev.com>
parents: 933
diff changeset
157 warning("Failed to open directory %s: %s\n", menu->curpath, strerror(errno));
1034
2c8d76280e43 Slightly better handling of directory read errors
Michael Pavone <pavone@retrodev.com>
parents: 1024
diff changeset
158 entries = malloc(sizeof(dir_entry));
2c8d76280e43 Slightly better handling of directory read errors
Michael Pavone <pavone@retrodev.com>
parents: 1024
diff changeset
159 entries->name = strdup("..");
2c8d76280e43 Slightly better handling of directory read errors
Michael Pavone <pavone@retrodev.com>
parents: 1024
diff changeset
160 entries->is_dir = 1;
2c8d76280e43 Slightly better handling of directory read errors
Michael Pavone <pavone@retrodev.com>
parents: 1024
diff changeset
161 num_entries = 1;
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
162 }
1059
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
163 #ifdef _WIN32
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
164 if (menu->curpath[1] == ':' && !menu->curpath[2]) {
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
165 //Add fake .. entry to allow navigation to virtual "drives" directory
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
166 dst = copy_dir_entry_to_guest(dst, m68k, "..", 1);
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
167 }
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
168 #endif
1418
62ec8be376be Add smd extension to default extension filter. Make file extension check case insensitive
Michael Pavone <pavone@retrodev.com>
parents: 1417
diff changeset
169 char *ext_filter = strdup(tern_find_path_default(config, "ui\0extensions\0", (tern_val){.ptrval = "bin gen md smd sms gg"}, TVAL_PTR).ptrval);
1417
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
170 uint32_t num_exts = 0, ext_storage = 5;
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
171 char **ext_list = malloc(sizeof(char *) * ext_storage);
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
172 char *cur_filter = ext_filter;
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
173 while (*cur_filter)
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
174 {
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
175 if (num_exts == ext_storage) {
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
176 ext_storage *= 2;
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
177 ext_list = realloc(ext_list, sizeof(char *) * ext_storage);
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
178 }
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
179 ext_list[num_exts++] = cur_filter;
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
180 cur_filter = split_keyval(cur_filter);
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
181 }
1059
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
182 for (size_t i = 0; dst && i < num_entries; i++)
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
183 {
1417
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
184 if (num_exts && !entries[i].is_dir) {
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
185 char *ext = path_extension(entries[i].name);
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
186 if (!ext) {
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
187 continue;
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
188 }
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
189 uint32_t extidx;
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
190 for (extidx = 0; extidx < num_exts; extidx++)
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
191 {
1418
62ec8be376be Add smd extension to default extension filter. Make file extension check case insensitive
Michael Pavone <pavone@retrodev.com>
parents: 1417
diff changeset
192 if (!strcasecmp(ext, ext_list[extidx])) {
1417
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
193 break;
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
194 }
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
195 }
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
196 if (extidx == num_exts) {
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
197 continue;
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
198 }
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
199 }
1059
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
200 dst = copy_dir_entry_to_guest(dst, m68k, entries[i].name, entries[i].is_dir);
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
201 }
1417
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
202 free(ext_filter);
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
203 free(ext_list);
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
204 //terminate list
1059
8da967779710 Added some hacky code to support a virtual root directory for selecting drives on Windows
Michael Pavone <pavone@retrodev.com>
parents: 1034
diff changeset
205 uint8_t *dest = get_native_pointer(dst, (void **)m68k->mem_pointers, &m68k->options->gen);
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
206 if (dest) {
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
207 *dest = dest[1] = 0;
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
208 }
1034
2c8d76280e43 Slightly better handling of directory read errors
Michael Pavone <pavone@retrodev.com>
parents: 1024
diff changeset
209 free_dir_list(entries, num_entries);
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
210 break;
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
211 }
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
212 case 1: {
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
213 char buf[4096];
873
91bf4d905eba Retrieve ROM filename from menu port write
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
214 copy_string_from_guest(m68k, dst, buf, sizeof(buf));
1481
77a401044935 Fix directory navigation in ROM file chooser in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents: 1478
diff changeset
215 buf[sizeof(buf)-1] = 0;
77a401044935 Fix directory navigation in ROM file chooser in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents: 1478
diff changeset
216 char *tmp = menu->curpath;
77a401044935 Fix directory navigation in ROM file chooser in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents: 1478
diff changeset
217 menu->curpath = path_append(tmp, buf);
77a401044935 Fix directory navigation in ROM file chooser in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents: 1478
diff changeset
218 free(tmp);
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
219 break;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
220 }
1438
e2bd03ed3190 Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Michael Pavone <pavone@retrodev.com>
parents: 1434
diff changeset
221 case 2:
e2bd03ed3190 Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Michael Pavone <pavone@retrodev.com>
parents: 1434
diff changeset
222 case 8: {
873
91bf4d905eba Retrieve ROM filename from menu port write
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
223 char buf[4096];
91bf4d905eba Retrieve ROM filename from menu port write
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
224 copy_string_from_guest(m68k, dst, buf, sizeof(buf));
1008
51885857c019 Removed assumptions that path separators are Unix style outside of Unix-only verions of functions
Michael Pavone <pavone@retrodev.com>
parents: 972
diff changeset
225 char const *pieces[] = {menu->curpath, PATH_SEP, buf};
1438
e2bd03ed3190 Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Michael Pavone <pavone@retrodev.com>
parents: 1434
diff changeset
226 char *selected = alloc_concat_m(3, pieces);
e2bd03ed3190 Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Michael Pavone <pavone@retrodev.com>
parents: 1434
diff changeset
227 if ((address >> 2) == 2) {
e2bd03ed3190 Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Michael Pavone <pavone@retrodev.com>
parents: 1434
diff changeset
228 gen->header.next_rom = selected;
e2bd03ed3190 Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Michael Pavone <pavone@retrodev.com>
parents: 1434
diff changeset
229 m68k->should_return = 1;
e2bd03ed3190 Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Michael Pavone <pavone@retrodev.com>
parents: 1434
diff changeset
230 } else {
e2bd03ed3190 Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Michael Pavone <pavone@retrodev.com>
parents: 1434
diff changeset
231 lockon_media(selected);
e2bd03ed3190 Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Michael Pavone <pavone@retrodev.com>
parents: 1434
diff changeset
232 free(selected);
e2bd03ed3190 Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Michael Pavone <pavone@retrodev.com>
parents: 1434
diff changeset
233 }
872
7022ba865cfd Initial work for allowing loading a ROM from menu
Michael Pavone <pavone@retrodev.com>
parents: 870
diff changeset
234 break;
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
235 }
949
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 934
diff changeset
236 case 3: {
954
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
237 switch (dst)
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
238 {
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
239 case 1:
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
240 m68k->should_return = 1;
1111
2eb54e24914e Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
241 gen->header.should_exit = 1;
954
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
242 break;
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
243 case 2:
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
244 m68k->should_return = 1;
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
245 break;
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
246 }
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
247
949
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 934
diff changeset
248 break;
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 934
diff changeset
249 }
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
250 case 4: {
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
251 char *buffer = malloc(SAVE_INFO_BUFFER_SIZE);
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
252 char *cur = buffer;
1111
2eb54e24914e Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
253 if (gen->header.next_context && gen->header.next_context->save_dir) {
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
254 char *end = buffer + SAVE_INFO_BUFFER_SIZE;
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: 1473
diff changeset
255 uint32_t num_slots;
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: 1473
diff changeset
256 save_slot_info *slots = get_slot_info(gen->header.next_context, &num_slots);
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: 1473
diff changeset
257 for (uint32_t i = 0; i < num_slots; i++)
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
258 {
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: 1473
diff changeset
259 size_t desc_len = strlen(slots[i].desc) + 1;//+1 for string terminator
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: 1473
diff changeset
260 char *after = cur + desc_len + 1;//+1 for list terminator
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: 1473
diff changeset
261 if (after > cur) {
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: 1473
diff changeset
262 desc_len -= after - cur;
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
263 }
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: 1473
diff changeset
264 memcpy(cur, slots[i].desc, desc_len);
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: 1473
diff changeset
265 cur = after;
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
266 }
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: 1473
diff changeset
267 *cur = 0;//terminate list
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
268 } else {
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
269 *(cur++) = 0;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
270 *(cur++) = 0;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
271 }
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
272 copy_to_guest(m68k, dst, buffer, cur-buffer);
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
273 break;
1423
9a3e003bdcb3 Make drag and drop play nice with the menu
Michael Pavone <pavone@retrodev.com>
parents: 1418
diff changeset
274 }
961
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
275 case 5:
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
276 //save state
1111
2eb54e24914e Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
277 if (gen->header.next_context) {
2eb54e24914e Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
278 gen->header.next_context->save_state = dst + 1;
961
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
279 }
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
280 m68k->should_return = 1;
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
281 break;
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
282 case 6:
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
283 //load state
1111
2eb54e24914e Mostly working changes to allow support for multiple emulated system types in main blastem program
Michael Pavone <pavone@retrodev.com>
parents: 1103
diff changeset
284 if (gen->header.next_context && gen->header.next_context->save_dir) {
1433
c886c54d8cf1 Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents: 1428
diff changeset
285 if (!gen->header.next_context->load_state(gen->header.next_context, dst)) {
c886c54d8cf1 Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents: 1428
diff changeset
286 break;
961
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
287 }
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
288 }
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
289 m68k->should_return = 1;
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 958
diff changeset
290 break;
1423
9a3e003bdcb3 Make drag and drop play nice with the menu
Michael Pavone <pavone@retrodev.com>
parents: 1418
diff changeset
291 case 7:
9a3e003bdcb3 Make drag and drop play nice with the menu
Michael Pavone <pavone@retrodev.com>
parents: 1418
diff changeset
292 //read only port
9a3e003bdcb3 Make drag and drop play nice with the menu
Michael Pavone <pavone@retrodev.com>
parents: 1418
diff changeset
293 break;
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
294 default:
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
295 fprintf(stderr, "WARNING: write to undefined menu port %X\n", address);
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
296 }
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
297 menu->state = 0;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
298 } else {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
299 menu->latch = value;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
300 menu->state = 1;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
301 }
954
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
302 if (m68k->should_return) {
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
303 m68k->target_cycle = m68k->current_cycle;
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
304 }
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
305
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
306 return context;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
307 }