gp2x/menu.c

   1 // (c) Copyright 2006 notaz, All rights reserved.\r
   2 // Free for non-commercial use.\r
   3 \r
   4 // For commercial use, separate licencing terms must be obtained.\r
   5 \r
   6 #include <stdio.h>\r
   7 #include <string.h>\r
   8 #include <stdlib.h>\r
   9 #include <stdarg.h>\r
  10 #include <unistd.h>\r
  11 #include <dirent.h>\r
  12 \r
  13 #include "gp2x.h"\r
  14 #include "emu.h"\r
  15 #include "menu.h"\r
  16 #include "usbjoy.h"\r
  17 #include "version.h"\r
  18 \r
  19 #include "Pico/PicoInt.h"\r
  20 \r
  21 #ifndef _DIRENT_HAVE_D_TYPE\r
  22 #error "need d_type for file browser\r
  23 #endif\r
  24 \r
  25 extern char *actionNames[];\r
  26 extern char romFileName[PATH_MAX];\r
  27 extern char *rom_data;\r
  28 extern int  mmuhack_status;\r
  29 extern int  state_slot;\r
  30 \r
  31 static char *gp2xKeyNames[] = {\r
  32         "UP",    "???",    "LEFT", "???",  "DOWN", "???", "RIGHT",    "???",\r
  33         "START", "SELECT", "L",    "R",    "A",    "B",   "X",        "Y",\r
  34         "???",   "???",    "???",  "???",  "???",  "???", "VOL DOWN", "VOL UP",\r
  35         "???",   "???",    "???",  "PUSH", "???",  "???", "???",      "???"\r
  36 };\r
  37 \r
  38 char menuErrorMsg[40] = {0, };\r
  39 \r
  40 \r
  41 static unsigned char fontdata8x8[] =\r
  42 {\r
  43         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\r
  44         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\r
  45         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\r
  46         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\r
  47         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\r
  48         0x3C,0x42,0x99,0xBD,0xBD,0x99,0x42,0x3C,0x3C,0x42,0x81,0x81,0x81,0x81,0x42,0x3C,\r
  49         0xFE,0x82,0x8A,0xD2,0xA2,0x82,0xFE,0x00,0xFE,0x82,0x82,0x82,0x82,0x82,0xFE,0x00,\r
  50         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x64,0x74,0x7C,0x38,0x00,0x00,\r
  51         0x80,0xC0,0xF0,0xFC,0xF0,0xC0,0x80,0x00,0x01,0x03,0x0F,0x3F,0x0F,0x03,0x01,0x00,\r
  52         0x18,0x3C,0x7E,0x18,0x7E,0x3C,0x18,0x00,0xEE,0xEE,0xEE,0xCC,0x00,0xCC,0xCC,0x00,\r
  53         0x00,0x00,0x30,0x68,0x78,0x30,0x00,0x00,0x00,0x38,0x64,0x74,0x7C,0x38,0x00,0x00,\r
  54         0x3C,0x66,0x7A,0x7A,0x7E,0x7E,0x3C,0x00,0x0E,0x3E,0x3A,0x22,0x26,0x6E,0xE4,0x40,\r
  55         0x18,0x3C,0x7E,0x3C,0x3C,0x3C,0x3C,0x00,0x3C,0x3C,0x3C,0x3C,0x7E,0x3C,0x18,0x00,\r
  56         0x08,0x7C,0x7E,0x7E,0x7C,0x08,0x00,0x00,0x10,0x3E,0x7E,0x7E,0x3E,0x10,0x00,0x00,\r
  57         0x58,0x2A,0xDC,0xC8,0xDC,0x2A,0x58,0x00,0x24,0x66,0xFF,0xFF,0x66,0x24,0x00,0x00,\r
  58         0x00,0x10,0x10,0x38,0x38,0x7C,0xFE,0x00,0xFE,0x7C,0x38,0x38,0x10,0x10,0x00,0x00,\r
  59         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x1C,0x1C,0x18,0x00,0x18,0x18,0x00,\r
  60         0x6C,0x6C,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x28,0x7C,0x28,0x7C,0x28,0x00,0x00,\r
  61         0x10,0x38,0x60,0x38,0x0C,0x78,0x10,0x00,0x40,0xA4,0x48,0x10,0x24,0x4A,0x04,0x00,\r
  62         0x18,0x34,0x18,0x3A,0x6C,0x66,0x3A,0x00,0x18,0x18,0x20,0x00,0x00,0x00,0x00,0x00,\r
  63         0x30,0x60,0x60,0x60,0x60,0x60,0x30,0x00,0x0C,0x06,0x06,0x06,0x06,0x06,0x0C,0x00,\r
  64         0x10,0x54,0x38,0x7C,0x38,0x54,0x10,0x00,0x00,0x18,0x18,0x7E,0x18,0x18,0x00,0x00,\r
  65         0x00,0x00,0x00,0x00,0x18,0x18,0x30,0x00,0x00,0x00,0x00,0x00,0x3E,0x00,0x00,0x00,\r
  66         0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x04,0x08,0x10,0x20,0x40,0x00,0x00,\r
  67         0x38,0x4C,0xC6,0xC6,0xC6,0x64,0x38,0x00,0x18,0x38,0x18,0x18,0x18,0x18,0x7E,0x00,\r
  68         0x7C,0xC6,0x0E,0x3C,0x78,0xE0,0xFE,0x00,0x7E,0x0C,0x18,0x3C,0x06,0xC6,0x7C,0x00,\r
  69         0x1C,0x3C,0x6C,0xCC,0xFE,0x0C,0x0C,0x00,0xFC,0xC0,0xFC,0x06,0x06,0xC6,0x7C,0x00,\r
  70         0x3C,0x60,0xC0,0xFC,0xC6,0xC6,0x7C,0x00,0xFE,0xC6,0x0C,0x18,0x30,0x30,0x30,0x00,\r
  71         0x78,0xC4,0xE4,0x78,0x86,0x86,0x7C,0x00,0x7C,0xC6,0xC6,0x7E,0x06,0x0C,0x78,0x00,\r
  72         0x00,0x00,0x18,0x00,0x00,0x18,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x18,0x18,0x30,\r
  73         0x1C,0x38,0x70,0xE0,0x70,0x38,0x1C,0x00,0x00,0x7C,0x00,0x00,0x7C,0x00,0x00,0x00,\r
  74         0x70,0x38,0x1C,0x0E,0x1C,0x38,0x70,0x00,0x7C,0xC6,0xC6,0x1C,0x18,0x00,0x18,0x00,\r
  75         0x3C,0x42,0x99,0xA1,0xA5,0x99,0x42,0x3C,0x38,0x6C,0xC6,0xC6,0xFE,0xC6,0xC6,0x00,\r
  76         0xFC,0xC6,0xC6,0xFC,0xC6,0xC6,0xFC,0x00,0x3C,0x66,0xC0,0xC0,0xC0,0x66,0x3C,0x00,\r
  77         0xF8,0xCC,0xC6,0xC6,0xC6,0xCC,0xF8,0x00,0xFE,0xC0,0xC0,0xFC,0xC0,0xC0,0xFE,0x00,\r
  78         0xFE,0xC0,0xC0,0xFC,0xC0,0xC0,0xC0,0x00,0x3E,0x60,0xC0,0xCE,0xC6,0x66,0x3E,0x00,\r
  79         0xC6,0xC6,0xC6,0xFE,0xC6,0xC6,0xC6,0x00,0x7E,0x18,0x18,0x18,0x18,0x18,0x7E,0x00,\r
  80         0x06,0x06,0x06,0x06,0xC6,0xC6,0x7C,0x00,0xC6,0xCC,0xD8,0xF0,0xF8,0xDC,0xCE,0x00,\r
  81         0x60,0x60,0x60,0x60,0x60,0x60,0x7E,0x00,0xC6,0xEE,0xFE,0xFE,0xD6,0xC6,0xC6,0x00,\r
  82         0xC6,0xE6,0xF6,0xFE,0xDE,0xCE,0xC6,0x00,0x7C,0xC6,0xC6,0xC6,0xC6,0xC6,0x7C,0x00,\r
  83         0xFC,0xC6,0xC6,0xC6,0xFC,0xC0,0xC0,0x00,0x7C,0xC6,0xC6,0xC6,0xDE,0xCC,0x7A,0x00,\r
  84         0xFC,0xC6,0xC6,0xCE,0xF8,0xDC,0xCE,0x00,0x78,0xCC,0xC0,0x7C,0x06,0xC6,0x7C,0x00,\r
  85         0x7E,0x18,0x18,0x18,0x18,0x18,0x18,0x00,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,0x7C,0x00,\r
  86         0xC6,0xC6,0xC6,0xEE,0x7C,0x38,0x10,0x00,0xC6,0xC6,0xD6,0xFE,0xFE,0xEE,0xC6,0x00,\r
  87         0xC6,0xEE,0x3C,0x38,0x7C,0xEE,0xC6,0x00,0x66,0x66,0x66,0x3C,0x18,0x18,0x18,0x00,\r
  88         0xFE,0x0E,0x1C,0x38,0x70,0xE0,0xFE,0x00,0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00,\r
  89         0x60,0x60,0x30,0x18,0x0C,0x06,0x06,0x00,0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00,\r
  90         0x18,0x3C,0x66,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,\r
  91         0x30,0x30,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x06,0x3E,0x66,0x66,0x3C,0x00,\r
  92         0x60,0x7C,0x66,0x66,0x66,0x66,0x7C,0x00,0x00,0x3C,0x66,0x60,0x60,0x66,0x3C,0x00,\r
  93         0x06,0x3E,0x66,0x66,0x66,0x66,0x3E,0x00,0x00,0x3C,0x66,0x66,0x7E,0x60,0x3C,0x00,\r
  94         0x1C,0x30,0x78,0x30,0x30,0x30,0x30,0x00,0x00,0x3E,0x66,0x66,0x66,0x3E,0x06,0x3C,\r
  95         0x60,0x7C,0x76,0x66,0x66,0x66,0x66,0x00,0x18,0x00,0x38,0x18,0x18,0x18,0x18,0x00,\r
  96         0x0C,0x00,0x1C,0x0C,0x0C,0x0C,0x0C,0x38,0x60,0x60,0x66,0x6C,0x78,0x6C,0x66,0x00,\r
  97         0x38,0x18,0x18,0x18,0x18,0x18,0x18,0x00,0x00,0xEC,0xFE,0xFE,0xFE,0xD6,0xC6,0x00,\r
  98         0x00,0x7C,0x76,0x66,0x66,0x66,0x66,0x00,0x00,0x3C,0x66,0x66,0x66,0x66,0x3C,0x00,\r
  99         0x00,0x7C,0x66,0x66,0x66,0x7C,0x60,0x60,0x00,0x3E,0x66,0x66,0x66,0x3E,0x06,0x06,\r
 100         0x00,0x7E,0x70,0x60,0x60,0x60,0x60,0x00,0x00,0x3C,0x60,0x3C,0x06,0x66,0x3C,0x00,\r
 101         0x30,0x78,0x30,0x30,0x30,0x30,0x1C,0x00,0x00,0x66,0x66,0x66,0x66,0x6E,0x3E,0x00,\r
 102         0x00,0x66,0x66,0x66,0x66,0x3C,0x18,0x00,0x00,0xC6,0xD6,0xFE,0xFE,0x7C,0x6C,0x00,\r
 103         0x00,0x66,0x3C,0x18,0x3C,0x66,0x66,0x00,0x00,0x66,0x66,0x66,0x66,0x3E,0x06,0x3C,\r
 104         0x00,0x7E,0x0C,0x18,0x30,0x60,0x7E,0x00,0x0E,0x18,0x0C,0x38,0x0C,0x18,0x0E,0x00,\r
 105         0x18,0x18,0x18,0x00,0x18,0x18,0x18,0x00,0x70,0x18,0x30,0x1C,0x30,0x18,0x70,0x00,\r
 106         0x00,0x00,0x76,0xDC,0x00,0x00,0x00,0x00,0x10,0x28,0x10,0x54,0xAA,0x44,0x00,0x00,\r
 107 };\r
 108 \r
 109 static void gp2x_text(unsigned char *screen, int x, int y, char *text, int color)\r
 110 {\r
 111         int i,l;\r
 112 \r
 113         screen = screen + x + y*320;\r
 114 \r
 115         for (i = 0; i < strlen(text); i++)\r
 116         {\r
 117                 for (l=0;l<8;l++)\r
 118                 {\r
 119                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=color;\r
 120                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=color;\r
 121                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=color;\r
 122                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=color;\r
 123                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=color;\r
 124                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=color;\r
 125                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=color;\r
 126                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=color;\r
 127                 }\r
 128                 screen += 8;\r
 129         }\r
 130 }\r
 131 \r
 132 // draws white text to current bbp15 screen\r
 133 void gp2x_text_out15(int x, int y, char *text)\r
 134 {\r
 135         int i,l;\r
 136         unsigned short *screen = gp2x_screen;\r
 137 \r
 138         screen = screen + x + y*320;\r
 139 \r
 140         for (i = 0; i < strlen(text); i++)\r
 141         {\r
 142                 for (l=0;l<8;l++)\r
 143                 {\r
 144                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=0xffff;\r
 145                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=0xffff;\r
 146                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=0xffff;\r
 147                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=0xffff;\r
 148                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=0xffff;\r
 149                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=0xffff;\r
 150                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=0xffff;\r
 151                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=0xffff;\r
 152                 }\r
 153                 screen += 8;\r
 154         }\r
 155 }\r
 156 \r
 157 \r
 158 void gp2x_text_out8(int x, int y, char *texto, ...)\r
 159 {\r
 160         va_list args;\r
 161         char    buffer[512];\r
 162 \r
 163         va_start(args,texto);\r
 164         vsprintf(buffer,texto,args);\r
 165         va_end(args);\r
 166 \r
 167         gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
 168 }\r
 169 \r
 170 \r
 171 void gp2x_text_out8_2(int x, int y, char *texto, int color)\r
 172 {\r
 173         gp2x_text(gp2x_screen, x, y, texto, color);\r
 174 }\r
 175 \r
 176 void gp2x_text_out8_lim(int x, int y, char *texto, int max)\r
 177 {\r
 178         char    buffer[320/8+1];\r
 179 \r
 180         strncpy(buffer, texto, 320/8);\r
 181         if (max > 320/8) max = 320/8;\r
 182         if (max < 0) max = 0;\r
 183         buffer[max] = 0;\r
 184 \r
 185         gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
 186 }\r
 187 \r
 188 \r
 189 static unsigned long inp_prev = 0;\r
 190 static int inp_prevjoy = 0;\r
 191 \r
 192 static unsigned long wait_for_input(unsigned long interesting)\r
 193 {\r
 194         unsigned long ret;\r
 195         static int repeats = 0, wait = 300*1000;\r
 196         int release = 0, i;\r
 197 \r
 198         if (repeats == 5 || repeats == 15 || repeats == 30) wait /= 2;\r
 199 \r
 200         for (i = 0; i < 6 && inp_prev == gp2x_joystick_read(1); i++) {\r
 201                 if(i == 0) repeats++;\r
 202                 usleep(wait/6);\r
 203         }\r
 204 \r
 205         while ( !((ret = gp2x_joystick_read(1)) & interesting) ) {\r
 206                 usleep(50000);\r
 207                 release = 1;\r
 208         }\r
 209 \r
 210         if (release || ret != inp_prev) {\r
 211                 repeats = 0;\r
 212                 wait = 300*1000;\r
 213         }\r
 214         inp_prev = ret;\r
 215         inp_prevjoy = 0;\r
 216 \r
 217         // we don't need diagonals in menus\r
 218         if ((ret&GP2X_UP)   && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 219         if ((ret&GP2X_UP)   && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 220         if ((ret&GP2X_DOWN) && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 221         if ((ret&GP2X_DOWN) && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 222 \r
 223         return ret;\r
 224 }\r
 225 \r
 226 static unsigned long input2_read(unsigned long interesting, int *joy)\r
 227 {\r
 228         unsigned long ret;\r
 229         int i;\r
 230 \r
 231         do\r
 232         {\r
 233                 *joy = 0;\r
 234                 if ((ret = gp2x_joystick_read(0) & interesting)) break;\r
 235                 gp2x_usbjoy_update();\r
 236                 for (i = 0; i < num_of_joys; i++) {\r
 237                         ret = gp2x_usbjoy_check2(i);\r
 238                         if (ret) { *joy = i + 1; break; }\r
 239                 }\r
 240                 if (ret) break;\r
 241         }\r
 242         while(0);\r
 243 \r
 244         return ret;\r
 245 }\r
 246 \r
 247 // similar to wait_for_input(), but returns joy num\r
 248 static unsigned long wait_for_input_usbjoy(unsigned long interesting, int *joy)\r
 249 {\r
 250         unsigned long ret;\r
 251         const int wait = 300*1000;\r
 252         int i;\r
 253 \r
 254         if (inp_prevjoy == 0) inp_prev &= interesting;\r
 255         for (i = 0; i < 6; i++) {\r
 256                 ret = input2_read(interesting, joy);\r
 257                 if (*joy != inp_prevjoy || ret != inp_prev) break;\r
 258                 usleep(wait/6);\r
 259         }\r
 260 \r
 261         while ( !(ret = input2_read(interesting, joy)) ) {\r
 262                 usleep(50000);\r
 263         }\r
 264 \r
 265         inp_prev = ret;\r
 266         inp_prevjoy = *joy;\r
 267 \r
 268         return ret;\r
 269 }\r
 270 \r
 271 \r
 272 \r
 273 // -------------- ROM selector --------------\r
 274 \r
 275 static void draw_dirlist(char *curdir, struct dirent **namelist, int n, int sel)\r
 276 {\r
 277         int start, i, pos;\r
 278 \r
 279         start = 12 - sel;\r
 280         n--; // exclude current dir (".")\r
 281 \r
 282         //memset(gp2x_screen, 0, 320*240);\r
 283         gp2x_pd_clone_buffer2();\r
 284 \r
 285         if(start - 2 >= 0)\r
 286                 gp2x_text_out8_lim(14, (start - 2)*10, curdir, 38);\r
 287         for (i = 0; i < n; i++) {\r
 288                 pos = start + i;\r
 289                 if (pos < 0)  continue;\r
 290                 if (pos > 23) break;\r
 291                 if (namelist[i+1]->d_type == DT_DIR) {\r
 292                         gp2x_text_out8_lim(14,   pos*10, "/", 1);\r
 293                         gp2x_text_out8_lim(14+8, pos*10, namelist[i+1]->d_name, 37);\r
 294                 } else {\r
 295                         gp2x_text_out8_lim(14,   pos*10, namelist[i+1]->d_name, 38);\r
 296                 }\r
 297         }\r
 298         gp2x_text_out8(5, 120, ">");\r
 299         gp2x_video_flip2();\r
 300 }\r
 301 \r
 302 static int scandir_cmp(const void *p1, const void *p2)\r
 303 {\r
 304         struct dirent **d1 = (struct dirent **)p1, **d2 = (struct dirent **)p2;\r
 305         if ((*d1)->d_type == (*d2)->d_type) return alphasort(d1, d2);\r
 306         if ((*d1)->d_type == DT_DIR) return -1; // put before\r
 307         if ((*d2)->d_type == DT_DIR) return  1;\r
 308         return alphasort(d1, d2);\r
 309 }\r
 310 \r
 311 \r
 312 static char *romsel_loop(char *curr_path)\r
 313 {\r
 314         struct dirent **namelist;\r
 315         DIR *dir;\r
 316         int n, sel = 0;\r
 317         unsigned long inp = 0;\r
 318         char *ret = NULL, *fname = NULL;\r
 319 \r
 320         // is this a dir or a full path?\r
 321         if ((dir = opendir(curr_path))) {\r
 322                 closedir(dir);\r
 323         } else {\r
 324                 char *p;\r
 325                 for (p = curr_path + strlen(curr_path) - 1; p > curr_path && *p != '/'; p--);\r
 326                 *p = 0;\r
 327                 fname = p+1;\r
 328         }\r
 329 \r
 330         n = scandir(curr_path, &namelist, 0, scandir_cmp);\r
 331         if (n < 0) {\r
 332                 // try root\r
 333                 n = scandir(curr_path, &namelist, 0, scandir_cmp);\r
 334                 if (n < 0) {\r
 335                         // oops, we failed\r
 336                         printf("dir: "); printf(curr_path); printf("\n");\r
 337                         perror("scandir");\r
 338                         return NULL;\r
 339                 }\r
 340         }\r
 341 \r
 342         // try to find sel\r
 343         if (fname != NULL) {\r
 344                 int i;\r
 345                 for (i = 1; i < n; i++) {\r
 346                         if (strcmp(namelist[i]->d_name, fname) == 0) {\r
 347                                 sel = i - 1;\r
 348                                 break;\r
 349                         }\r
 350                 }\r
 351         }\r
 352 \r
 353         for (;;)\r
 354         {\r
 355                 draw_dirlist(curr_path, namelist, n, sel);\r
 356                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 357                 if(inp & GP2X_UP  )  { sel--;   if (sel < 0)   sel = n-2; }\r
 358                 if(inp & GP2X_DOWN)  { sel++;   if (sel > n-2) sel = 0; }\r
 359                 if(inp &(GP2X_LEFT|GP2X_L))  { sel-=10; if (sel < 0)   sel = 0; }\r
 360                 if(inp &(GP2X_RIGHT|GP2X_R)) { sel+=10; if (sel > n-2) sel = n-2; }\r
 361                 if(inp & GP2X_B)     { // enter dir/select\r
 362                         again:\r
 363                         if (namelist[sel+1]->d_type == DT_REG) {\r
 364                                 strcpy(romFileName, curr_path);\r
 365                                 strcat(romFileName, "/");\r
 366                                 strcat(romFileName, namelist[sel+1]->d_name);\r
 367                                 ret = romFileName;\r
 368                                 break;\r
 369                         } else if (namelist[sel+1]->d_type == DT_DIR) {\r
 370                                 int newlen = strlen(curr_path) + strlen(namelist[sel+1]->d_name) + 2;\r
 371                                 char *p, *newdir = malloc(newlen);\r
 372                                 if (strcmp(namelist[sel+1]->d_name, "..") == 0) {\r
 373                                         char *start = curr_path;\r
 374                                         p = start + strlen(start) - 1;\r
 375                                         while (*p == '/' && p > start) p--;\r
 376                                         while (*p != '/' && p > start) p--;\r
 377                                         if (p <= start) strcpy(newdir, "/");\r
 378                                         else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }\r
 379                                 } else {\r
 380                                         strcpy(newdir, curr_path);\r
 381                                         p = newdir + strlen(newdir) - 1;\r
 382                                         while (*p == '/' && p >= newdir) *p-- = 0;\r
 383                                         strcat(newdir, "/");\r
 384                                         strcat(newdir, namelist[sel+1]->d_name);\r
 385                                 }\r
 386                                 ret = romsel_loop(newdir);\r
 387                                 free(newdir);\r
 388                                 break;\r
 389                         } else {\r
 390                                 // unknown file type, happens on NTFS mounts. Try to guess.\r
 391                                 FILE *tstf; int tmp;\r
 392                                 strcpy(romFileName, curr_path);\r
 393                                 strcat(romFileName, "/");\r
 394                                 strcat(romFileName, namelist[sel+1]->d_name);\r
 395                                 tstf = fopen(romFileName, "rb");\r
 396                                 if (tstf != NULL)\r
 397                                 {\r
 398                                         if (fread(&tmp, 1, 1, tstf) > 0 || ferror(tstf) == 0)\r
 399                                                 namelist[sel+1]->d_type = DT_REG;\r
 400                                         else    namelist[sel+1]->d_type = DT_DIR;\r
 401                                         fclose(tstf);\r
 402                                         goto again;\r
 403                                 }\r
 404                         }\r
 405                 }\r
 406                 if(inp & GP2X_X) break; // cancel\r
 407         }\r
 408 \r
 409         if (n > 0) {\r
 410                 while(n--) free(namelist[n]);\r
 411                 free(namelist);\r
 412         }\r
 413 \r
 414         return ret;\r
 415 }\r
 416 \r
 417 // -------------- key config --------------\r
 418 \r
 419 static char *usb_joy_key_name(int joy, int num)\r
 420 {\r
 421         static char name[16];\r
 422         switch (num)\r
 423         {\r
 424                 case 0: sprintf(name, "Joy%i UP", joy); break;\r
 425                 case 1: sprintf(name, "Joy%i DOWN", joy); break;\r
 426                 case 2: sprintf(name, "Joy%i LEFT", joy); break;\r
 427                 case 3: sprintf(name, "Joy%i RIGHT", joy); break;\r
 428                 default:sprintf(name, "Joy%i b%i", joy, num-3); break;\r
 429         }\r
 430         return name;\r
 431 }\r
 432 \r
 433 static void draw_key_config(int curr_act, int is_p2)\r
 434 {\r
 435         char strkeys[32*5];\r
 436         int joy, i;\r
 437 \r
 438         strkeys[0] = 0;\r
 439         for (i = 0; i < 32; i++)\r
 440         {\r
 441                 if (currentConfig.KeyBinds[i] & (1 << curr_act))\r
 442                 {\r
 443                         if (curr_act < 16 && (currentConfig.KeyBinds[i] & (1 << 16)) != (is_p2 << 16)) continue;\r
 444                         if (strkeys[0]) { strcat(strkeys, " + "); strcat(strkeys, gp2xKeyNames[i]); break; }\r
 445                         else strcpy(strkeys, gp2xKeyNames[i]);\r
 446                 }\r
 447         }\r
 448         for (joy = 0; joy < num_of_joys; joy++)\r
 449         {\r
 450                 for (i = 0; i < 32; i++)\r
 451                 {\r
 452                         if (currentConfig.JoyBinds[joy][i] & (1 << curr_act))\r
 453                         {\r
 454                                 if (curr_act < 16 && (currentConfig.JoyBinds[joy][i] & (1 << 16)) != (is_p2 << 16)) continue;\r
 455                                 if (strkeys[0]) {\r
 456                                         strcat(strkeys, ", "); strcat(strkeys, usb_joy_key_name(joy + 1, i));\r
 457                                         break;\r
 458                                 }\r
 459                                 else strcpy(strkeys, usb_joy_key_name(joy + 1, i));\r
 460                         }\r
 461                 }\r
 462         }\r
 463 \r
 464         //memset(gp2x_screen, 0, 320*240);\r
 465         gp2x_pd_clone_buffer2();\r
 466         gp2x_text_out8(60, 40, "Action: %s", actionNames[curr_act]);\r
 467         gp2x_text_out8(60, 60, "Keys: %s", strkeys);\r
 468 \r
 469         gp2x_text_out8(30, 180, "Use SELECT to change action");\r
 470         gp2x_text_out8(30, 190, "Press a key to bind/unbind");\r
 471         gp2x_text_out8(30, 200, "Select \"Done\" action and");\r
 472         gp2x_text_out8(30, 210, "  press any key to finish");\r
 473         gp2x_video_flip2();\r
 474 }\r
 475 \r
 476 static void key_config_loop(int is_p2)\r
 477 {\r
 478         int curr_act = 0, joy = 0, i;\r
 479         unsigned long inp = 0;\r
 480 \r
 481         for (;;)\r
 482         {\r
 483                 draw_key_config(curr_act, is_p2);\r
 484                 inp = wait_for_input_usbjoy(CONFIGURABLE_KEYS, &joy);\r
 485                 // printf("got %08lX from joy %i\n", inp, joy);\r
 486                 if (joy == 0) {\r
 487                         if (inp & GP2X_SELECT) {\r
 488                                 curr_act++;\r
 489                                 while (!actionNames[curr_act] && curr_act < 32) curr_act++;\r
 490                                 if (curr_act > 31) curr_act = 0;\r
 491                         }\r
 492                         inp &= CONFIGURABLE_KEYS;\r
 493                         inp &= ~GP2X_SELECT;\r
 494                 }\r
 495                 if (curr_act == 31 && inp) break;\r
 496                 if (joy == 0) {\r
 497                         for (i = 0; i < 32; i++)\r
 498                                 if (inp & (1 << i)) {\r
 499                                         currentConfig.KeyBinds[i] ^= (1 << curr_act);\r
 500                                         if (is_p2) currentConfig.KeyBinds[i] |=  (1 << 16); // player 2 flag\r
 501                                         else       currentConfig.KeyBinds[i] &= ~(1 << 16);\r
 502                                 }\r
 503                 } else {\r
 504                         for (i = 0; i < 32; i++)\r
 505                                 if (inp & (1 << i)) {\r
 506                                         currentConfig.JoyBinds[joy-1][i] ^= (1 << curr_act);\r
 507                                         if (is_p2) currentConfig.JoyBinds[joy-1][i] |=  (1 << 16);\r
 508                                         else       currentConfig.JoyBinds[joy-1][i] &= ~(1 << 16);\r
 509                                 }\r
 510                 }\r
 511         }\r
 512 }\r
 513 \r
 514 static void draw_kc_sel(int menu_sel)\r
 515 {\r
 516         int tl_x = 25+40, tl_y = 60, y, i;\r
 517         char joyname[36];\r
 518 \r
 519         y = tl_y;\r
 520         //memset(gp2x_screen, 0, 320*240);\r
 521         gp2x_pd_clone_buffer2();\r
 522         gp2x_text_out8(tl_x, y,       "Player 1");\r
 523         gp2x_text_out8(tl_x, (y+=10), "Player 2");\r
 524         gp2x_text_out8(tl_x, (y+=10), "Done");\r
 525 \r
 526         // draw cursor\r
 527         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 528 \r
 529         tl_x = 25;\r
 530         gp2x_text_out8(tl_x, (y=110), "USB joys detected:");\r
 531         if (num_of_joys > 0) {\r
 532                 for (i = 0; i < num_of_joys; i++) {\r
 533                         strncpy(joyname, joy_name(joys[i]), 33); joyname[33] = 0;\r
 534                         gp2x_text_out8(tl_x, (y+=10), "%i: %s", i+1, joyname);\r
 535                 }\r
 536         } else {\r
 537                 gp2x_text_out8(tl_x, (y+=10), "none");\r
 538         }\r
 539 \r
 540 \r
 541         gp2x_video_flip2();\r
 542 }\r
 543 \r
 544 static void kc_sel_loop(void)\r
 545 {\r
 546         int menu_sel = 2, menu_sel_max = 2;\r
 547         unsigned long inp = 0;\r
 548 \r
 549         for(;;)\r
 550         {\r
 551                 draw_kc_sel(menu_sel);\r
 552                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 553                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 554                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 555                 if(inp & GP2X_B) {\r
 556                         switch (menu_sel) {\r
 557                                 case 0: key_config_loop(0); return;\r
 558                                 case 1: key_config_loop(1); return;\r
 559                                 default: return;\r
 560                         }\r
 561                 }\r
 562                 if(inp & GP2X_X) return;\r
 563         }\r
 564 }\r
 565 \r
 566 \r
 567 \r
 568 // --------- sega/mega cd options ----------\r
 569 \r
 570 static void draw_cd_menu_options(int menu_sel, char *b_us, char *b_eu, char *b_jp)\r
 571 {\r
 572         int tl_x = 25, tl_y = 60, y;\r
 573 \r
 574         y = tl_y;\r
 575         //memset(gp2x_screen, 0, 320*240);\r
 576         gp2x_pd_clone_buffer2();\r
 577 \r
 578         gp2x_text_out8(tl_x, y,       "USA BIOS:     %s", b_us); // 0\r
 579         gp2x_text_out8(tl_x, (y+=10), "EUR BIOS:     %s", b_eu); // 1\r
 580         gp2x_text_out8(tl_x, (y+=10), "JAP BIOS:     %s", b_jp); // 2\r
 581         gp2x_text_out8(tl_x, (y+=10), "CD LEDs                    %s", (currentConfig.EmuOpt &0x400)?"ON":"OFF"); // 3\r
 582         gp2x_text_out8(tl_x, (y+=10), "CDDA audio (using mp3s)    %s", (currentConfig.PicoOpt&0x800)?"ON":"OFF"); // 4\r
 583         gp2x_text_out8(tl_x, (y+=10), "PCM audio                  %s", (currentConfig.PicoOpt&0x400)?"ON":"OFF"); // 5\r
 584         gp2x_text_out8(tl_x, (y+=10), "Done");\r
 585 \r
 586         // draw cursor\r
 587         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 588 \r
 589         if ((menu_sel == 0 && strcmp(b_us, "NOT FOUND")) ||\r
 590                 (menu_sel == 1 && strcmp(b_eu, "NOT FOUND")) ||\r
 591                 (menu_sel == 2 && strcmp(b_jp, "NOT FOUND")))\r
 592                         gp2x_text_out8(tl_x, 220, "Press start to test selected BIOS");\r
 593 \r
 594         gp2x_video_flip2();\r
 595 }\r
 596 \r
 597 static void cd_menu_loop_options(void)\r
 598 {\r
 599         int menu_sel = 0, menu_sel_max = 6;\r
 600         unsigned long inp = 0;\r
 601         char bios_us[32], bios_eu[32], bios_jp[32], *bios, *p;\r
 602 \r
 603         if (find_bios(4, &bios)) { // US\r
 604                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 605                 strncpy(bios_us, p, 31); bios_us[31] = 0;\r
 606         } else  strcpy(bios_us, "NOT FOUND");\r
 607 \r
 608         if (find_bios(8, &bios)) { // EU\r
 609                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 610                 strncpy(bios_eu, p, 31); bios_eu[31] = 0;\r
 611         } else  strcpy(bios_eu, "NOT FOUND");\r
 612 \r
 613         if (find_bios(1, &bios)) { // JP\r
 614                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 615                 strncpy(bios_jp, p, 31); bios_jp[31] = 0;\r
 616         } else  strcpy(bios_jp, "NOT FOUND");\r
 617 \r
 618         for(;;)\r
 619         {\r
 620                 draw_cd_menu_options(menu_sel, bios_us, bios_eu, bios_jp);\r
 621                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A|GP2X_START);\r
 622                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 623                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 624                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
 625                         switch (menu_sel) {\r
 626                                 case  3: currentConfig.EmuOpt ^=0x400; break;\r
 627                                 case  4: currentConfig.PicoOpt^=0x800; break;\r
 628                                 case  5: currentConfig.PicoOpt^=0x400; break;\r
 629                                 case  6: return;\r
 630                         }\r
 631                 }\r
 632                 if(inp & (GP2X_X|GP2X_A)) return;\r
 633                 if(inp &  GP2X_START) { // BIOS testers\r
 634                         switch (menu_sel) {\r
 635                                 case 0: if (find_bios(4, &bios)) { // test US\r
 636                                                 strcpy(romFileName, bios);\r
 637                                                 engineState = PGS_ReloadRom;\r
 638                                                 return;\r
 639                                         }\r
 640                                         break;\r
 641                                 case 1: if (find_bios(8, &bios)) { // test EU\r
 642                                                 strcpy(romFileName, bios);\r
 643                                                 engineState = PGS_ReloadRom;\r
 644                                                 return;\r
 645                                         }\r
 646                                         break;\r
 647                                 case 2: if (find_bios(1, &bios)) { // test JP\r
 648                                                 strcpy(romFileName, bios);\r
 649                                                 engineState = PGS_ReloadRom;\r
 650                                                 return;\r
 651                                         }\r
 652                                         break;\r
 653                         }\r
 654                 }\r
 655         }\r
 656 }\r
 657 \r
 658 \r
 659 // --------- advanced options ----------\r
 660 \r
 661 static void draw_amenu_options(int menu_sel)\r
 662 {\r
 663         int tl_x = 25, tl_y = 60, y;\r
 664         char *mms = mmuhack_status ? "active)  " : "inactive)";\r
 665 \r
 666         y = tl_y;\r
 667         //memset(gp2x_screen, 0, 320*240);\r
 668         gp2x_pd_clone_buffer2();\r
 669 \r
 670         gp2x_text_out8(tl_x, y,       "Scale 32 column mode       %s", (currentConfig.PicoOpt&0x100)?"ON":"OFF"); // 0\r
 671         gp2x_text_out8(tl_x, (y+=10), "Gamma correction           %i.%02i", currentConfig.gamma / 100, currentConfig.gamma%100); // 1\r
 672         gp2x_text_out8(tl_x, (y+=10), "Emulate Z80                %s", (currentConfig.PicoOpt&0x004)?"ON":"OFF"); // 2\r
 673         gp2x_text_out8(tl_x, (y+=10), "Emulate YM2612 (FM)        %s", (currentConfig.PicoOpt&0x001)?"ON":"OFF"); // 3\r
 674         gp2x_text_out8(tl_x, (y+=10), "Emulate SN76496 (PSG)      %s", (currentConfig.PicoOpt&0x002)?"ON":"OFF"); // 4\r
 675         gp2x_text_out8(tl_x, (y+=10), "gzip savestates            %s", (currentConfig.EmuOpt &0x008)?"ON":"OFF"); // 5\r
 676         gp2x_text_out8(tl_x, (y+=10), "Don't save config on exit  %s", (currentConfig.EmuOpt &0x020)?"ON":"OFF"); // 6\r
 677         gp2x_text_out8(tl_x, (y+=10), "needs restart:");\r
 678         gp2x_text_out8(tl_x, (y+=10), "craigix's RAM timings      %s", (currentConfig.EmuOpt &0x100)?"ON":"OFF"); // 8\r
 679         gp2x_text_out8(tl_x, (y+=10), "squidgehack (now %s %s",   mms, (currentConfig.EmuOpt &0x010)?"ON":"OFF"); // 9\r
 680         gp2x_text_out8(tl_x, (y+=10), "Done");\r
 681 \r
 682         // draw cursor\r
 683         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 684 \r
 685         gp2x_video_flip2();\r
 686 }\r
 687 \r
 688 static void amenu_loop_options(void)\r
 689 {\r
 690         int menu_sel = 0, menu_sel_max = 10;\r
 691         unsigned long inp = 0;\r
 692 \r
 693         for(;;)\r
 694         {\r
 695                 draw_amenu_options(menu_sel);\r
 696                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
 697                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 698                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 699                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
 700                         switch (menu_sel) {\r
 701                                 case  0: currentConfig.PicoOpt^=0x100; break;\r
 702                                 case  2: currentConfig.PicoOpt^=0x004; break;\r
 703                                 case  3: currentConfig.PicoOpt^=0x001; break;\r
 704                                 case  4: currentConfig.PicoOpt^=0x002; break;\r
 705                                 case  5: currentConfig.EmuOpt ^=0x008; break;\r
 706                                 case  6: currentConfig.EmuOpt ^=0x020; break;\r
 707                                 case  8: currentConfig.EmuOpt ^=0x100; break;\r
 708                                 case  9: currentConfig.EmuOpt ^=0x010; break;\r
 709                                 case 10: return;\r
 710                         }\r
 711                 }\r
 712                 if(inp & (GP2X_X|GP2X_A)) return;\r
 713                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
 714                         switch (menu_sel) {\r
 715                                 case 1:\r
 716                                         while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
 717                                                 currentConfig.gamma += (inp & GP2X_LEFT) ? -1 : 1;\r
 718                                                 if (currentConfig.gamma <   1) currentConfig.gamma =   1;\r
 719                                                 if (currentConfig.gamma > 300) currentConfig.gamma = 300;\r
 720                                                 draw_amenu_options(menu_sel);\r
 721                                                 usleep(18*1000);\r
 722                                         }\r
 723                                         break;\r
 724                         }\r
 725                 }\r
 726         }\r
 727 }\r
 728 \r
 729 // -------------- options --------------\r
 730 \r
 731 static const char *region_name(unsigned int code)\r
 732 {\r
 733         static const char *names[] = { "Auto", "      Japan NTSC", "      Japan PAL", "      USA", "      Europe" };\r
 734         static const char *names_short[] = { "", " JP", " JP", " US", " EU" };\r
 735         int u, i = 0;\r
 736         if (code) {\r
 737                 code <<= 1;\r
 738                 while((code >>= 1)) i++;\r
 739                 if (i > 4) return "unknown";\r
 740                 return names[i];\r
 741         } else {\r
 742                 static char name[24];\r
 743                 strcpy(name, "Auto:");\r
 744                 for (u = 0; u < 3; u++) {\r
 745                         i = 0; code = ((PicoAutoRgnOrder >> u*4) & 0xf) << 1;\r
 746                         while((code >>= 1)) i++;\r
 747                         strcat(name, names_short[i]);\r
 748                 }\r
 749                 return name;\r
 750         }\r
 751 }\r
 752 \r
 753 static void draw_menu_options(int menu_sel)\r
 754 {\r
 755         int tl_x = 25, tl_y = 40, y;\r
 756         char monostereo[8], strframeskip[8], *strrend;\r
 757 \r
 758         strcpy(monostereo, (currentConfig.PicoOpt&0x08)?"stereo":"mono");\r
 759         if (currentConfig.Frameskip < 0)\r
 760                  strcpy(strframeskip, "Auto");\r
 761         else sprintf(strframeskip, "%i", currentConfig.Frameskip);\r
 762         if (currentConfig.PicoOpt&0x10) {\r
 763                 strrend = " 8bit fast";\r
 764         } else if (currentConfig.EmuOpt&0x80) {\r
 765                 strrend = "16bit accurate";\r
 766         } else {\r
 767                 strrend = " 8bit accurate";\r
 768         }\r
 769 \r
 770         y = tl_y;\r
 771         //memset(gp2x_screen, 0, 320*240);\r
 772         gp2x_pd_clone_buffer2();\r
 773 \r
 774         gp2x_text_out8(tl_x, y,       "Renderer:            %s", strrend); // 0\r
 775         gp2x_text_out8(tl_x, (y+=10), "Accurate timing (slower)   %s", (currentConfig.PicoOpt&0x040)?"ON":"OFF"); // 1\r
 776         gp2x_text_out8(tl_x, (y+=10), "Accurate sprites (slower)  %s", (currentConfig.PicoOpt&0x080)?"ON":"OFF"); // 2\r
 777         gp2x_text_out8(tl_x, (y+=10), "Show FPS                   %s", (currentConfig.EmuOpt &0x002)?"ON":"OFF"); // 3\r
 778         gp2x_text_out8(tl_x, (y+=10), "Frameskip                  %s", strframeskip);\r
 779         gp2x_text_out8(tl_x, (y+=10), "Enable sound               %s", (currentConfig.EmuOpt &0x004)?"ON":"OFF"); // 5\r
 780         gp2x_text_out8(tl_x, (y+=10), "Sound Quality:     %5iHz %s",   currentConfig.PsndRate, monostereo);\r
 781         gp2x_text_out8(tl_x, (y+=10), "Use ARM940 core for sound  %s", (currentConfig.PicoOpt&0x200)?"ON":"OFF"); // 7\r
 782         gp2x_text_out8(tl_x, (y+=10), "6 button pad               %s", (currentConfig.PicoOpt&0x020)?"ON":"OFF"); // 8\r
 783         gp2x_text_out8(tl_x, (y+=10), "Genesis Region:      %s",       region_name(currentConfig.PicoRegion));\r
 784         gp2x_text_out8(tl_x, (y+=10), "Use SRAM/BRAM savestates   %s", (currentConfig.EmuOpt &0x001)?"ON":"OFF"); // 10\r
 785         gp2x_text_out8(tl_x, (y+=10), "Confirm save overwrites    %s", (currentConfig.EmuOpt &0x200)?"ON":"OFF"); // 11\r
 786         gp2x_text_out8(tl_x, (y+=10), "Save slot                  %i", state_slot); // 12\r
 787         gp2x_text_out8(tl_x, (y+=10), "GP2X CPU clocks            %iMhz", currentConfig.CPUclock);\r
 788         gp2x_text_out8(tl_x, (y+=10), "[Sega/Mega CD options]");\r
 789         gp2x_text_out8(tl_x, (y+=10), "[advanced options]");            // 15\r
 790         gp2x_text_out8(tl_x, (y+=10), "Save cfg as default");\r
 791         if (rom_data)\r
 792                 gp2x_text_out8(tl_x, (y+=10), "Save cfg for current game only");\r
 793 \r
 794         // draw cursor\r
 795         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 796 \r
 797         gp2x_video_flip2();\r
 798 }\r
 799 \r
 800 static int sndrate_prevnext(int rate, int dir)\r
 801 {\r
 802         int i, rates[] = { 8000, 11025, 16000, 22050, 44100 };\r
 803 \r
 804         for (i = 0; i < 5; i++)\r
 805                 if (rates[i] == rate) break;\r
 806 \r
 807         i += dir ? 1 : -1;\r
 808         if (i > 4) return dir ? 44100 : 22050;\r
 809         if (i < 0) return dir ? 11025 : 8000;\r
 810         return rates[i];\r
 811 }\r
 812 \r
 813 static void region_prevnext(int right)\r
 814 {\r
 815         // jp_ntsc=1, jp_pal=2, usa=4, eu=8\r
 816         static int rgn_orders[] = { 0x148, 0x184, 0x814, 0x418, 0x841, 0x481 };\r
 817         int i;\r
 818         if (right) {\r
 819                 if (!currentConfig.PicoRegion) {\r
 820                         for (i = 0; i < 6; i++)\r
 821                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
 822                         if (i < 5) PicoAutoRgnOrder = rgn_orders[i+1];\r
 823                         else currentConfig.PicoRegion=1;\r
 824                 }\r
 825                 else currentConfig.PicoRegion<<=1;\r
 826                 if (currentConfig.PicoRegion > 8) currentConfig.PicoRegion = 8;\r
 827         } else {\r
 828                 if (!currentConfig.PicoRegion) {\r
 829                         for (i = 0; i < 6; i++)\r
 830                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
 831                         if (i > 0) PicoAutoRgnOrder = rgn_orders[i-1];\r
 832                 }\r
 833                 else currentConfig.PicoRegion>>=1;\r
 834         }\r
 835 }\r
 836 \r
 837 static void menu_options_save(void)\r
 838 {\r
 839         PicoOpt = currentConfig.PicoOpt;\r
 840         PsndRate = currentConfig.PsndRate;\r
 841         PicoRegionOverride = currentConfig.PicoRegion;\r
 842         if (PicoOpt & 0x20) {\r
 843                 actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r
 844                 actionNames[10] = "X"; actionNames[11] = "MODE";\r
 845         } else {\r
 846                 actionNames[8] = actionNames[9] = actionNames[10] = actionNames[11] = 0;\r
 847         }\r
 848 }\r
 849 \r
 850 static int menu_loop_options(void)\r
 851 {\r
 852         int menu_sel = 0, menu_sel_max = 16;\r
 853         unsigned long inp = 0;\r
 854 \r
 855         if (rom_data) menu_sel_max++;\r
 856         currentConfig.PicoOpt = PicoOpt;\r
 857         currentConfig.PsndRate = PsndRate;\r
 858         currentConfig.PicoRegion = PicoRegionOverride;\r
 859 \r
 860         for(;;)\r
 861         {\r
 862                 draw_menu_options(menu_sel);\r
 863                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
 864                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 865                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 866                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
 867                         switch (menu_sel) {\r
 868                                 case  1: currentConfig.PicoOpt^=0x040; break;\r
 869                                 case  2: currentConfig.PicoOpt^=0x080; break;\r
 870                                 case  3: currentConfig.EmuOpt ^=0x002; break;\r
 871                                 case  5: currentConfig.EmuOpt ^=0x004; break;\r
 872                                 case  7: currentConfig.PicoOpt^=0x200; break;\r
 873                                 case  8: currentConfig.PicoOpt^=0x020; break;\r
 874                                 case 10: currentConfig.EmuOpt ^=0x001; break;\r
 875                                 case 11: currentConfig.EmuOpt ^=0x200; break;\r
 876                                 case 14: cd_menu_loop_options();\r
 877                                         if (engineState == PGS_ReloadRom)\r
 878                                                 return 0; // test BIOS\r
 879                                         break;\r
 880                                 case 15: amenu_loop_options();    break;\r
 881                                 case 16: // done (update and write)\r
 882                                         menu_options_save();\r
 883                                         if (emu_WriteConfig(0)) strcpy(menuErrorMsg, "config saved");\r
 884                                         else strcpy(menuErrorMsg, "failed to write config");\r
 885                                         return 1;\r
 886                                 case 17: // done (update and write for current game)\r
 887                                         menu_options_save();\r
 888                                         if (emu_WriteConfig(1)) strcpy(menuErrorMsg, "config saved");\r
 889                                         else strcpy(menuErrorMsg, "failed to write config");\r
 890                                         return 1;\r
 891                         }\r
 892                 }\r
 893                 if(inp & (GP2X_X|GP2X_A)) {\r
 894                         menu_options_save();\r
 895                         return 0;  // done (update, no write)\r
 896                 }\r
 897                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
 898                         switch (menu_sel) {\r
 899                                 case  0:\r
 900                                         if (inp & GP2X_LEFT) {\r
 901                                                 if      (  currentConfig.PicoOpt&0x10) currentConfig.PicoOpt&= ~0x10;\r
 902                                                 else if (!(currentConfig.EmuOpt &0x80))currentConfig.EmuOpt |=  0x80;\r
 903                                                 else if (  currentConfig.EmuOpt &0x80) break;\r
 904                                         } else {\r
 905                                                 if      (  currentConfig.PicoOpt&0x10) break;\r
 906                                                 else if (!(currentConfig.EmuOpt &0x80))currentConfig.PicoOpt|=  0x10;\r
 907                                                 else if (  currentConfig.EmuOpt &0x80) currentConfig.EmuOpt &= ~0x80;\r
 908                                         }\r
 909                                         break;\r
 910                                 case  4:\r
 911                                         currentConfig.Frameskip += (inp & GP2X_LEFT) ? -1 : 1;\r
 912                                         if (currentConfig.Frameskip < 0)  currentConfig.Frameskip = -1;\r
 913                                         if (currentConfig.Frameskip > 32) currentConfig.Frameskip = 32;\r
 914                                         break;\r
 915                                 case  6:\r
 916                                         if ((inp & GP2X_RIGHT) && currentConfig.PsndRate == 44100 && !(currentConfig.PicoOpt&0x08)) {\r
 917                                                 currentConfig.PsndRate = 8000;  currentConfig.PicoOpt|= 0x08;\r
 918                                         } else if ((inp & GP2X_LEFT) && currentConfig.PsndRate == 8000 && (currentConfig.PicoOpt&0x08)) {\r
 919                                                 currentConfig.PsndRate = 44100; currentConfig.PicoOpt&=~0x08;\r
 920                                         } else currentConfig.PsndRate = sndrate_prevnext(currentConfig.PsndRate, inp & GP2X_RIGHT);\r
 921                                         break;\r
 922                                 case  9:\r
 923                                         region_prevnext(inp & GP2X_RIGHT);\r
 924                                         break;\r
 925                                 case 12:\r
 926                                         if (inp & GP2X_RIGHT) {\r
 927                                                 state_slot++; if (state_slot > 9) state_slot = 0;\r
 928                                         } else {state_slot--; if (state_slot < 0) state_slot = 9;\r
 929                                         }\r
 930                                         break;\r
 931                                 case 13:\r
 932                                         while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
 933                                                 currentConfig.CPUclock += (inp & GP2X_LEFT) ? -1 : 1;\r
 934                                                 if (currentConfig.CPUclock < 1) currentConfig.CPUclock = 1;\r
 935                                                 draw_menu_options(menu_sel);\r
 936                                                 usleep(50*1000);\r
 937                                         }\r
 938                                         break;\r
 939                         }\r
 940                 }\r
 941         }\r
 942 }\r
 943 \r
 944 // -------------- credits --------------\r
 945 \r
 946 static void draw_menu_credits(void)\r
 947 {\r
 948         int tl_x = 15, tl_y = 70, y;\r
 949         //memset(gp2x_screen, 0, 320*240);\r
 950         gp2x_pd_clone_buffer2();\r
 951 \r
 952         gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION " (c) notaz, 2006,2007");\r
 953         y = tl_y;\r
 954         gp2x_text_out8(tl_x, y, "Credits:");\r
 955         gp2x_text_out8(tl_x, (y+=10), "Dave: Cyclone 68000 core,");\r
 956         gp2x_text_out8(tl_x, (y+=10), "      base code of PicoDrive");\r
 957         gp2x_text_out8(tl_x, (y+=10), "Reesy & FluBBa: DrZ80 core");\r
 958         gp2x_text_out8(tl_x, (y+=10), "MAME devs: YM2612 and SN76496 cores");\r
 959         gp2x_text_out8(tl_x, (y+=10), "Charles MacDonald: Genesis hw docs");\r
 960         gp2x_text_out8(tl_x, (y+=10), "Stephane Dallongeville:");\r
 961         gp2x_text_out8(tl_x, (y+=10), "      opensource Gens");\r
 962         gp2x_text_out8(tl_x, (y+=10), "Haze: Genesis hw info");\r
 963         gp2x_text_out8(tl_x, (y+=10), "rlyeh and others: minimal SDK");\r
 964         gp2x_text_out8(tl_x, (y+=10), "Squidge: squidgehack");\r
 965         gp2x_text_out8(tl_x, (y+=10), "Dzz: ARM940 sample");\r
 966         gp2x_text_out8(tl_x, (y+=10), "GnoStiC / Puck2099: USB joystick");\r
 967         gp2x_text_out8(tl_x, (y+=10), "craigix: GP2X hardware");\r
 968 \r
 969         gp2x_video_flip2();\r
 970 }\r
 971 \r
 972 \r
 973 // -------------- root menu --------------\r
 974 \r
 975 static void draw_menu_root(int menu_sel)\r
 976 {\r
 977         int tl_x = 70, tl_y = 70, y;\r
 978         //memset(gp2x_screen, 0, 320*240);\r
 979         gp2x_pd_clone_buffer2();\r
 980 \r
 981         gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION);\r
 982 \r
 983         y = tl_y;\r
 984         if (rom_data) {\r
 985                 gp2x_text_out8(tl_x, y,       "Resume game");\r
 986                 gp2x_text_out8(tl_x, (y+=10), "Save State");\r
 987                 gp2x_text_out8(tl_x, (y+=10), "Load State");\r
 988                 gp2x_text_out8(tl_x, (y+=10), "Reset game");\r
 989         } else {\r
 990                 y += 30;\r
 991         }\r
 992         gp2x_text_out8(tl_x, (y+=10), "Load new ROM/ISO");\r
 993         gp2x_text_out8(tl_x, (y+=10), "Change options");\r
 994         gp2x_text_out8(tl_x, (y+=10), "Configure controls");\r
 995         gp2x_text_out8(tl_x, (y+=10), "Credits");\r
 996         gp2x_text_out8(tl_x, (y+=10), "Exit");\r
 997 \r
 998         // draw cursor\r
 999         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
1000         // error\r
1001         if (menuErrorMsg[0]) gp2x_text_out8(5, 226, menuErrorMsg);\r
1002         gp2x_video_flip2();\r
1003 }\r
1004 \r
1005 \r
1006 static void menu_loop_root(void)\r
1007 {\r
1008         int ret, menu_sel = 4, menu_sel_max = 8, menu_sel_min = 4;\r
1009         unsigned long inp = 0;\r
1010         char curr_path[PATH_MAX], *selfname;\r
1011         FILE *tstf;\r
1012 \r
1013         if ( (tstf = fopen(currentConfig.lastRomFile, "rb")) )\r
1014         {\r
1015                 fclose(tstf);\r
1016                 strcpy(curr_path, currentConfig.lastRomFile);\r
1017         }\r
1018         else\r
1019         {\r
1020                 getcwd(curr_path, PATH_MAX);\r
1021         }\r
1022 \r
1023         if (rom_data) menu_sel = menu_sel_min = 0;\r
1024 \r
1025         for(;;)\r
1026         {\r
1027                 draw_menu_root(menu_sel);\r
1028                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X|GP2X_SELECT);\r
1029                 if(inp & GP2X_UP  )  { menu_sel--; if (menu_sel < menu_sel_min) menu_sel = menu_sel_max; }\r
1030                 if(inp & GP2X_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = menu_sel_min; }\r
1031                 if(inp &(GP2X_SELECT|GP2X_X)){\r
1032                         if (rom_data) {\r
1033                                 while (gp2x_joystick_read(1) & (GP2X_SELECT|GP2X_X)) usleep(50*1000); // wait until select is released\r
1034                                 engineState = PGS_Running;\r
1035                                 break;\r
1036                         }\r
1037                 }\r
1038                 if(inp & GP2X_B   )  {\r
1039                         switch (menu_sel) {\r
1040                                 case 0: // resume game\r
1041                                         if (rom_data) { engineState = PGS_Running; return; }\r
1042                                         break;\r
1043                                 case 1: // save state\r
1044                                         if (rom_data) {\r
1045                                                 if(emu_SaveLoadGame(0, 0)) {\r
1046                                                         strcpy(menuErrorMsg, "save failed");\r
1047                                                         continue;\r
1048                                                 }\r
1049                                                 engineState = PGS_Running;\r
1050                                                 return;\r
1051                                         }\r
1052                                         break;\r
1053                                 case 2: // load state\r
1054                                         if (rom_data) {\r
1055                                                 if(emu_SaveLoadGame(1, 0)) {\r
1056                                                         strcpy(menuErrorMsg, "load failed");\r
1057                                                         continue;\r
1058                                                 }\r
1059                                                 engineState = PGS_Running;\r
1060                                                 return;\r
1061                                         }\r
1062                                         break;\r
1063                                 case 3: // reset game\r
1064                                         if (rom_data) {\r
1065                                                 emu_ResetGame();\r
1066                                                 engineState = PGS_Running;\r
1067                                                 return;\r
1068                                         }\r
1069                                         break;\r
1070                                 case 4: // select rom\r
1071                                         selfname = romsel_loop(curr_path);\r
1072                                         if (selfname) {\r
1073                                                 printf("selected file: %s\n", selfname);\r
1074                                                 engineState = PGS_ReloadRom;\r
1075                                         }\r
1076                                         return;\r
1077                                 case 5: // options\r
1078                                         ret = menu_loop_options();\r
1079                                         if (ret == 1) continue; // status update\r
1080                                         if (engineState == PGS_ReloadRom)\r
1081                                                 return; // BIOS test\r
1082                                         break;\r
1083                                 case 6: // controls\r
1084                                         kc_sel_loop();\r
1085                                         break;\r
1086                                 case 7: // credits\r
1087                                         draw_menu_credits();\r
1088                                         usleep(500*1000);\r
1089                                         inp = wait_for_input(GP2X_B|GP2X_X);\r
1090                                         break;\r
1091                                 case 8: // exit\r
1092                                         engineState = PGS_Quit;\r
1093                                         return;\r
1094                         }\r
1095                 }\r
1096                 menuErrorMsg[0] = 0; // clear error msg\r
1097         }\r
1098 }\r
1099 \r
1100 \r
1101 static void menu_gfx_prepare(void)\r
1102 {\r
1103         extern int localPal[0x100];\r
1104         int i;\r
1105 \r
1106         // don't clear old palette just for fun (but make it dark)\r
1107         for (i = 0x100-1; i >= 0; i--)\r
1108                 localPal[i] = (localPal[i] >> 2) & 0x003f3f3f;\r
1109         localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
1110         localPal[0xf0] = 0x00ffffff;\r
1111 \r
1112         // switch to 8bpp\r
1113         gp2x_video_changemode2(8);\r
1114         gp2x_video_RGB_setscaling(320, 240);\r
1115         gp2x_video_setpalette(localPal, 0x100);\r
1116         gp2x_video_flip2();\r
1117 }\r
1118 \r
1119 \r
1120 void menu_loop(void)\r
1121 {\r
1122         menu_gfx_prepare();\r
1123 \r
1124         menu_loop_root();\r
1125 \r
1126         menuErrorMsg[0] = 0;\r
1127 }\r