return 0;\r
}\r
\r
-static void get_ext(char *ext)\r
+static void get_ext(char *file, char *ext)\r
{\r
char *p;\r
\r
- p = romFileName + strlen(romFileName) - 4;\r
- if (p < romFileName) p = romFileName;\r
+ p = file + strlen(file) - 4;\r
+ if (p < file) p = file;\r
strncpy(ext, p, 4);\r
ext[4] = 0;\r
strlwr(ext);\r
}\r
\r
+char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };\r
+char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210" };\r
+char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
+\r
+extern char **g_argv;\r
+\r
+int find_bios(int region, char **bios_file)\r
+{\r
+ static char bios_path[1024];\r
+ int i, j, count;\r
+ char **files;\r
+ FILE *f = NULL;\r
+\r
+ if (region == 4) { // US\r
+ files = biosfiles_us;\r
+ count = sizeof(biosfiles_us) / sizeof(char *);\r
+ } else if (region == 8) { // EU\r
+ files = biosfiles_eu;\r
+ count = sizeof(biosfiles_eu) / sizeof(char *);\r
+ } else if (region == 1 || region == 2) {\r
+ files = biosfiles_jp;\r
+ count = sizeof(biosfiles_jp) / sizeof(char *);\r
+ } else {\r
+ return 0;\r
+ }\r
+\r
+ for (i = 0; i < count; i++)\r
+ {\r
+ strncpy(bios_path, g_argv[0], 1023);\r
+ bios_path[1024-32] = 0;\r
+ for (j = strlen(bios_path); j > 0; j--)\r
+ if (bios_path[j] == '/') { bios_path[j+1] = 0; break; }\r
+ strcat(bios_path, files[i]);\r
+ strcat(bios_path, ".bin");\r
+ f = fopen(bios_path, "rb");\r
+ if (f) break;\r
+\r
+ bios_path[strlen(bios_path) - 4] = 0;\r
+ strcat(bios_path, ".zip");\r
+ f = fopen(bios_path, "rb");\r
+ if (f) break;\r
+ }\r
+\r
+ if (f) {\r
+ printf("using bios: %s\n", bios_path);\r
+ fclose(f);\r
+ if (bios_file) *bios_file = bios_path;\r
+ return 1;\r
+ } else {\r
+ sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
+ region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
+ printf("%s\n", menuErrorMsg);\r
+ return 0;\r
+ }\r
+}\r
+\r
+/* checks if romFileName points to valid MegaCD image\r
+ * if so, checks for suitable BIOS */\r
+static int cd_check(char *ext, char **bios_file)\r
+{\r
+ unsigned char buf[32];\r
+ FILE *cd_f;\r
+ int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r
+\r
+ cd_f = fopen(romFileName, "rb");\r
+ if (!cd_f) return 0; // let the upper level handle this\r
+\r
+ if (fread(buf, 1, 32, cd_f) != 32) {\r
+ fclose(cd_f);\r
+ return 0;\r
+ }\r
+\r
+ if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1; // Sega CD (ISO)\r
+ if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2; // Sega CD (BIN)\r
+ if (type == 0) {\r
+ fclose(cd_f);\r
+ return 0;\r
+ }\r
+\r
+ /* it seems we have a CD image here. Try to detect region and load a suitable BIOS now.. */\r
+ fseek(cd_f, (type == 1) ? 0x100 : 0x110, SEEK_SET);\r
+ fread(buf, 1, 1, cd_f);\r
+ fclose(cd_f);\r
+\r
+ if (buf[0] == 0x64) region = 4; // EU\r
+ if (buf[0] == 0xa1) region = 1; // JAP\r
+\r
+ printf("detected %s Sega/Mega CD image with %s region\n",\r
+ type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
+\r
+ if (PicoRegionOverride) {\r
+ region = PicoRegionOverride;\r
+ printf("overrided region to %s\n", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
+ }\r
+\r
+ if(find_bios(region, bios_file))\r
+ return type; // CD and BIOS detected\r
+\r
+ return -1; // CD detected but load failed\r
+}\r
+\r
int emu_ReloadRom(void)\r
{\r
unsigned int rom_size = 0;\r
+ char *used_rom_name = romFileName;\r
char ext[5];\r
FILE *rom;\r
- int ret;\r
+ int ret, cd_state;\r
\r
printf("emu_ReloadRom(%s)\n", romFileName);\r
\r
- // detect wrong extensions\r
- get_ext(ext);\r
+ get_ext(romFileName, ext);\r
\r
+ // detect wrong extensions\r
if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
sprintf(menuErrorMsg, "Not a ROM selected.");\r
return 0;\r
sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
return 0;\r
}\r
- get_ext(ext);\r
+ get_ext(romFileName, ext);\r
}\r
\r
- rom = fopen(romFileName, "rb");\r
+ // check for MegaCD image\r
+ cd_state = cd_check(ext, &used_rom_name);\r
+ if (cd_state > 0) {\r
+ PicoMCD |= 1;\r
+ get_ext(used_rom_name, ext);\r
+ } else if (cd_state == -1) {\r
+ // bios_help() ?\r
+ return 0;\r
+ } else {\r
+ PicoMCD &= ~1;\r
+ }\r
+\r
+ rom = fopen(used_rom_name, "rb");\r
if(!rom) {\r
sprintf(menuErrorMsg, "Failed to open rom.");\r
return 0;\r
// zipfile support\r
if(!strcasecmp(ext, ".zip")) {\r
fclose(rom);\r
- ret = CartLoadZip(romFileName, &rom_data, &rom_size);\r
+ ret = CartLoadZip(used_rom_name, &rom_data, &rom_size);\r
if(ret) {\r
- if (ret == 4) strcpy(menuErrorMsg, "No ROMs in zip found.");\r
+ if (ret == 4) strcpy(menuErrorMsg, "No ROMs found in zip.");\r
else sprintf(menuErrorMsg, "Unzip failed with code %i", ret);\r
printf("%s\n", menuErrorMsg);\r
return 0;\r
return 0;\r
}\r
\r
+ // load config for this ROM (do this before insert to get correct region)\r
+ ret = emu_ReadConfig(1);\r
+ if (!ret)\r
+ emu_ReadConfig(0);\r
+\r
printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
if(PicoCartInsert(rom_data, rom_size)) {\r
sprintf(menuErrorMsg, "Failed to load ROM.");\r
return 0;\r
}\r
\r
- // load config for this ROM\r
- ret = emu_ReadConfig(1);\r
- if (!ret)\r
- emu_ReadConfig(0);\r
+ Pico.m.frame_count = 0;\r
+\r
+ // insert CD if it was detected\r
+ if (cd_state > 0) {\r
+ ret = Insert_CD(romFileName, cd_state == 2);\r
+ if (ret != 0) {\r
+ sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
+ printf("%s\n", menuErrorMsg);\r
+ return 0;\r
+ }\r
+ }\r
\r
// emu_ReadConfig() might have messed currentConfig.lastRomFile\r
strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);\r
if(currentConfig.EmuOpt & 1)\r
emu_SaveLoadGame(1, 1);\r
\r
- Pico.m.frame_count = 0;\r
-\r
return 1;\r
}\r
\r
int len = strlen(text)*8;\r
\r
if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
- int *p, i, h, black, white;\r
- if (PicoOpt&0x10) {\r
- black = 0x40404040; white = 0x41;\r
- } else {\r
- black = 0xe0e0e0e0; white = 0xf0;\r
- }\r
+ int *p, i, h;\r
x &= ~3; // align x\r
len = (len+3) >> 2;\r
for (h = 0; h < 8; h++) {\r
p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r
- for (i = len; i; i--, p++) *p = black;\r
+ for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
}\r
- gp2x_text_out8_2(x, y, text, white);\r
+ gp2x_text_out8_2(x, y, text, 0xf0);\r
} else {\r
int *p, i, h;\r
x &= ~1; // align x\r
}\r
}\r
\r
+static void cd_leds(void)\r
+{\r
+ static int old_reg = 0;\r
+ if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change\r
+ old_reg = Pico_mcd->s68k_regs[0];\r
+\r
+ if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
+ // 8-bit modes\r
+ unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
+ unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
+ *(unsigned int *)((char *)gp2x_screen + 320*2+306) =\r
+ *(unsigned int *)((char *)gp2x_screen + 320*3+306) =\r
+ *(unsigned int *)((char *)gp2x_screen + 320*4+306) = col_g;\r
+ *(unsigned int *)((char *)gp2x_screen + 320*2+312) =\r
+ *(unsigned int *)((char *)gp2x_screen + 320*3+312) =\r
+ *(unsigned int *)((char *)gp2x_screen + 320*4+312) = col_r;\r
+ } else {\r
+ // 16-bit modes\r
+ unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+306);\r
+ unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
+ unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
+ *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2;\r
+ *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2;\r
+ *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2;\r
+ }\r
+}\r
+\r
static int EmuScan16(unsigned int num, void *sdata)\r
{\r
if (!(Pico.video.reg[1]&8)) num += 8;\r
\r
static void blit(char *fps, char *notice)\r
{\r
+ int emu_opt = currentConfig.EmuOpt;\r
+\r
if (PicoOpt&0x10) {\r
// 8bit fast renderer\r
if (Pico.m.dirtyPal) {\r
gp2x_video_setpalette(localPal, 0x40);\r
}\r
vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r
- } else if (!(currentConfig.EmuOpt&0x80)) {\r
+ } else if (!(emu_opt&0x80)) {\r
// 8bit accurate renderer\r
if (Pico.m.dirtyPal) {\r
Pico.m.dirtyPal = 0;\r
vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r
+ localPal[0xc0] = 0x0000c000;\r
+ localPal[0xd0] = 0x00c00000;\r
localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
localPal[0xf0] = 0x00ffffff;\r
gp2x_video_setpalette(localPal, 0x100);\r
}\r
\r
if (notice) osd_text(4, 232, notice);\r
- if (currentConfig.EmuOpt & 2)\r
+ if (emu_opt & 2)\r
osd_text(osd_fps_x, 232, fps);\r
+ if ((emu_opt & 0x400) && (PicoMCD & 1))\r
+ cd_leds();\r
\r
//gp2x_video_wait_vsync();\r
gp2x_video_flip();\r
// clears whole screen or just the notice area (in all buffers)\r
static void clearArea(int full)\r
{\r
- if (PicoOpt&0x10) {\r
- // 8bit fast renderer\r
- if (full) gp2x_memset_all_buffers(0, 0x40, 320*240);\r
- else gp2x_memset_all_buffers(320*232, 0x40, 320*8);\r
- } else if (currentConfig.EmuOpt&0x80) {\r
+ if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
+ // 8-bit renderers\r
+ if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
+ else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
+ } else {\r
// 16bit accurate renderer\r
if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
- } else {\r
- // 8bit accurate renderer\r
- if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
- else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
}\r
}\r
\r
static void vidResetMode(void)\r
{\r
if (PicoOpt&0x10) {\r
- localPal[0x40] = 0;\r
- localPal[0x41] = 0x00ffffff;\r
gp2x_video_changemode(8);\r
- gp2x_video_setpalette(localPal, 0x42);\r
- gp2x_memset_all_buffers(0, 0x40, 320*240);\r
- gp2x_video_flip();\r
} else if (currentConfig.EmuOpt&0x80) {\r
gp2x_video_changemode(15);\r
PicoDrawSetColorFormat(1);\r
PicoScan = EmuScan16;\r
PicoScan(0, 0);\r
} else {\r
+ gp2x_video_changemode(8);\r
+ PicoDrawSetColorFormat(2);\r
+ PicoScan = EmuScan8;\r
+ PicoScan(0, 0);\r
+ }\r
+ if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
+ // setup pal for 8-bit modes\r
+ localPal[0xc0] = 0x0000c000; // MCD LEDs\r
+ localPal[0xd0] = 0x00c00000;\r
localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
localPal[0xf0] = 0x00ffffff;\r
- gp2x_video_changemode(8);\r
gp2x_video_setpalette(localPal, 0x100);\r
gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
gp2x_video_flip();\r
- PicoDrawSetColorFormat(2);\r
- PicoScan = EmuScan8;\r
- PicoScan(0, 0);\r
}\r
Pico.m.dirtyPal = 1;\r
// reset scaling\r
notaz.gp2x.de / libpicofe.git / blobdiff