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annotate menu.c @ 1556:075df0844baa

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Randomize soft reset timing and fix silly bug that was accidentally clearing IO state on soft reset
author Michael Pavone <pavone@retrodev.com>
date Fri, 30 Mar 2018 22:01:05 -0700
parents 3629366616da
children c362f2c7766a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
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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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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.
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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 #include "config.h"
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14
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15 static menu_context *get_menu(genesis_context *gen)
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16 {
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17 menu_context *menu = gen->extra;
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18 if (!menu) {
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19 gen->extra = menu = calloc(1, sizeof(menu_context));
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20 get_initial_browse_path(&menu->curpath);
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21 }
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22 return menu;
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23 }
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24
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25 uint16_t menu_read_w(uint32_t address, void * vcontext)
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26 {
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27 if ((address >> 1) == 14) {
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28 m68k_context *context = vcontext;
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29 menu_context *menu = get_menu(context->system);
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30 uint16_t value = menu->external_game_load;
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31 if (value) {
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32 printf("Read: %X\n", value);
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33 }
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34 menu->external_game_load = 0;
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35 return value;
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36 } else {
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37 //This should return the status of the last request with 0
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38 //meaning either the request is complete or no request is pending
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39 //in the current implementation, the operations happen instantly
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40 //in emulated time so we can always return 0
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41 return 0;
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42 }
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43 }
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44
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45 void copy_string_from_guest(m68k_context *m68k, uint32_t guest_addr, char *buf, size_t maxchars)
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46 {
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47 char *cur;
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48 char *src = NULL;
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49 for (cur = buf; cur < buf+maxchars; cur+=2, guest_addr+=2, src+=2)
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50 {
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51 if (!src || !(guest_addr & 0xFFFF)) {
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52 //we may have walked off the end of a memory block, get a fresh native pointer
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53 src = get_native_pointer(guest_addr, (void **)m68k->mem_pointers, &m68k->options->gen);
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54 if (!src) {
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55 break;
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56 }
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57 }
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58 *cur = src[1];
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59 cur[1] = *src;
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60 if (!*src || !src[1]) {
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61 break;
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62 }
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63 }
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64 //make sure we terminate the string even if we did not hit a null terminator in the source
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65 buf[maxchars-1] = 0;
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66 }
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67
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68 void copy_to_guest(m68k_context *m68k, uint32_t guest_addr, char *src, size_t tocopy)
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69 {
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70 char *dst = NULL;
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71 for (char *cur = src; cur < src+tocopy; cur+=2, guest_addr+=2, dst+=2)
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72 {
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73 if (!dst || !(guest_addr & 0xFFFF)) {
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74 //we may have walked off the end of a memory block, get a fresh native pointer
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75 dst = get_native_pointer(guest_addr, (void **)m68k->mem_pointers, &m68k->options->gen);
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76 if (!dst) {
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77 break;
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78 }
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79 }
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80 dst[1] = *cur;
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81 *dst = cur[1];
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82 }
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83 }
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84
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85 #define SAVE_INFO_BUFFER_SIZE (11*40)
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86
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87 uint32_t copy_dir_entry_to_guest(uint32_t dst, m68k_context *m68k, char *name, uint8_t is_dir)
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88 {
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89 uint8_t *dest = get_native_pointer(dst, (void **)m68k->mem_pointers, &m68k->options->gen);
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90 if (!dest) {
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91 return 0;
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92 }
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93 *(dest++) = is_dir;
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94 *(dest++) = 1;
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95 dst += 2;
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96 uint8_t term = 0;
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97 for (char *cpos = name; *cpos; cpos++)
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98 {
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99 dest[1] = *cpos;
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100 dest[0] = cpos[1];
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101 if (cpos[1]) {
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102 cpos++;
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103 } else {
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104 term = 1;
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105 }
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106 dst += 2;
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107 if (!(dst & 0xFFFF)) {
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108 //we may have walked off the end of a memory block, get a fresh native pointer
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109 dest = get_native_pointer(dst, (void **)m68k->mem_pointers, &m68k->options->gen);
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110 if (!dest) {
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111 break;
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112 }
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113 } else {
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114 dest += 2;
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115 }
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116 }
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117 if (!term) {
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118 *(dest++) = 0;
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119 *dest = 0;
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120 dst += 2;
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121 }
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122 return dst;
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123 }
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124 #ifdef _WIN32
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125 #include <windows.h>
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126 #endif
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127 void * menu_write_w(uint32_t address, void * context, uint16_t value)
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128 {
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129 m68k_context *m68k = context;
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130 genesis_context *gen = m68k->system;
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131 menu_context *menu = get_menu(gen);
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132 if (menu->state) {
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133 uint32_t dst = menu->latch << 16 | value;
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134 switch (address >> 2)
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135 {
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Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
136 case 0: {
1524
b96f9fae757f Fix Windows build, added Windows default_font_path implementation
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
137 #if _WIN32
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
138 //handle 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
139 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
140 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
141 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
142 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
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 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
145 }
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 }
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 //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
148 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
149 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
150 *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
151 }
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
152 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
153 }
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
154 #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
155 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
156 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
157 if (entries) {
1484
d82af64c94d2 Sort directory listing in Nuklear UI file browser
Michael Pavone <pavone@retrodev.com>
parents: 1481
diff changeset
158 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
159 } else {
934
05b0a0d4fa40 Add strerror output to menu dir open failure message
Michael Pavone <pavone@retrodev.com>
parents: 933
diff changeset
160 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
161 entries = malloc(sizeof(dir_entry));
2c8d76280e43 Slightly better handling of directory read errors
Michael Pavone <pavone@retrodev.com>
parents: 1024
diff changeset
162 entries->name = strdup("..");
2c8d76280e43 Slightly better handling of directory read errors
Michael Pavone <pavone@retrodev.com>
parents: 1024
diff changeset
163 entries->is_dir = 1;
2c8d76280e43 Slightly better handling of directory read errors
Michael Pavone <pavone@retrodev.com>
parents: 1024
diff changeset
164 num_entries = 1;
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
165 }
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
166 #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
167 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
168 //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
169 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
170 }
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
171 #endif
1485
369da70ee2c2 Filter file list in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents: 1484
diff changeset
172 uint32_t num_exts;
369da70ee2c2 Filter file list in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents: 1484
diff changeset
173 char **ext_list = get_extension_list(config, &num_exts);
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
174 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
175 {
1417
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
176 if (num_exts && !entries[i].is_dir) {
1485
369da70ee2c2 Filter file list in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents: 1484
diff changeset
177 if (!path_matches_extensions(entries[i].name, ext_list, num_exts)) {
1417
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
178 continue;
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
179 }
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
180 }
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
181 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
182 }
1417
e6efe6b2aee9 Add a file extension filter to the menu
Michael Pavone <pavone@retrodev.com>
parents: 1326
diff changeset
183 free(ext_list);
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
184 //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
185 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
186 if (dest) {
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
187 *dest = dest[1] = 0;
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
188 }
1034
2c8d76280e43 Slightly better handling of directory read errors
Michael Pavone <pavone@retrodev.com>
parents: 1024
diff changeset
189 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
190 break;
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
191 }
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
192 case 1: {
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
193 char buf[4096];
873
91bf4d905eba Retrieve ROM filename from menu port write
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
194 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
195 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
196 char *tmp = menu->curpath;
77a401044935 Fix directory navigation in ROM file chooser in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents: 1478
diff changeset
197 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
198 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
199 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
200 }
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
201 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
202 case 8: {
873
91bf4d905eba Retrieve ROM filename from menu port write
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
203 char buf[4096];
91bf4d905eba Retrieve ROM filename from menu port write
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
204 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
205 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
206 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
207 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
208 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
209 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
210 } 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
211 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
212 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
213 }
872
7022ba865cfd Initial work for allowing loading a ROM from menu
Michael Pavone <pavone@retrodev.com>
parents: 870
diff changeset
214 break;
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
215 }
949
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 934
diff changeset
216 case 3: {
954
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
217 switch (dst)
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
218 {
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
219 case 1:
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
220 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
221 gen->header.should_exit = 1;
954
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
222 break;
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
223 case 2:
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
224 m68k->should_return = 1;
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
225 break;
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
226 }
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
227
949
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 934
diff changeset
228 break;
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 934
diff changeset
229 }
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
230 case 4: {
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
231 char *buffer = malloc(SAVE_INFO_BUFFER_SIZE);
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
232 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
233 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
234 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
235 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
236 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
237 for (uint32_t i = 0; i < num_slots; i++)
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
238 {
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
239 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
240 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
241 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
242 desc_len -= after - cur;
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
243 }
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
244 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
245 cur = after;
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
246 }
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
247 *cur = 0;//terminate list
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
248 } else {
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
249 *(cur++) = 0;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
250 *(cur++) = 0;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
251 }
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
252 copy_to_guest(m68k, dst, buffer, cur-buffer);
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 954
diff changeset
253 break;
1423
9a3e003bdcb3 Make drag and drop play nice with the menu
Michael Pavone <pavone@retrodev.com>
parents: 1418
diff changeset
254 }
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
255 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
256 //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
257 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
258 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
259 }
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
260 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
261 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
262 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
263 //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
264 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
265 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
266 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
267 }
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
268 }
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
269 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
270 break;
1423
9a3e003bdcb3 Make drag and drop play nice with the menu
Michael Pavone <pavone@retrodev.com>
parents: 1418
diff changeset
271 case 7:
9a3e003bdcb3 Make drag and drop play nice with the menu
Michael Pavone <pavone@retrodev.com>
parents: 1418
diff changeset
272 //read only port
9a3e003bdcb3 Make drag and drop play nice with the menu
Michael Pavone <pavone@retrodev.com>
parents: 1418
diff changeset
273 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
274 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
275 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
276 }
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
277 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
278 } 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
279 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
280 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
281 }
954
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
282 if (m68k->should_return) {
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
283 m68k->target_cycle = m68k->current_cycle;
cbc5b39e5518 Implement "Resume" button in pause menu
Michael Pavone <pavone@retrodev.com>
parents: 949
diff changeset
284 }
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
285
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
286 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
287 }