X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=common%2Femu.c;h=fabd5213aa94e13097235e65d49055280c965df9;hb=260f1bcc8a782e7b19a11d446927cd4c2c493e8c;hp=feb316764cada845b09f12ddd9107d704ffaf181;hpb=960a8e2716349f9a7df6cca9b6e8e6b0724fe7ba;p=libpicofe.git diff --git a/common/emu.c b/common/emu.c index feb3167..fabd521 100644 --- a/common/emu.c +++ b/common/emu.c @@ -18,6 +18,7 @@ #include #include +#include #include #if defined(__GP2X__) @@ -163,9 +164,24 @@ int emu_cdCheck(int *pregion) { unsigned char buf[32]; pm_file *cd_f; - int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe + int region = 4; // 1: Japan, 4: US, 8: Europe + char ext[5], *fname = romFileName; + cue_track_type type = CT_UNKNOWN; + cue_data_t *cue_data = NULL; + + get_ext(romFileName, ext); + if (strcasecmp(ext, ".cue") == 0) { + cue_data = cue_parse(romFileName); + if (cue_data != NULL) { + fname = cue_data->tracks[1].fname; + type = cue_data->tracks[1].type; + } + } + + cd_f = pm_open(fname); + if (cue_data != NULL) + cue_destroy(cue_data); - cd_f = pm_open(romFileName); if (!cd_f) return 0; // let the upper level handle this if (pm_read(buf, 32, cd_f) != 32) { @@ -173,18 +189,27 @@ int emu_cdCheck(int *pregion) return 0; } - if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1; // Sega CD (ISO) - if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2; // Sega CD (BIN) - if (type == 0) { + if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) { + if (type && type != CT_ISO) + elprintf(EL_STATUS, ".cue has wrong type: %i", type); + type = CT_ISO; // Sega CD (ISO) + } + if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) { + if (type && type != CT_BIN) + elprintf(EL_STATUS, ".cue has wrong type: %i", type); + type = CT_BIN; // Sega CD (BIN) + } + + if (type == CT_UNKNOWN) { pm_close(cd_f); return 0; } - pm_seek(cd_f, (type == 1) ? 0x100 : 0x110, SEEK_SET); + pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET); pm_read(id_header, sizeof(id_header), cd_f); /* it seems we have a CD image here. Try to detect region now.. */ - pm_seek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET); + pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET); pm_read(buf, 1, cd_f); pm_close(cd_f); @@ -192,14 +217,14 @@ int emu_cdCheck(int *pregion) if (buf[0] == 0xa1) region = 1; // JAP lprintf("detected %s Sega/Mega CD image with %s region\n", - type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA"); + type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA"); if (pregion != NULL) *pregion = region; return type; } -static int extract_text(char *dest, unsigned char *src, int len, int swab) +static int extract_text(char *dest, const unsigned char *src, int len, int swab) { char *p = dest; int i; @@ -330,7 +355,7 @@ int emu_ReloadRom(void) // check for MegaCD image cd_state = emu_cdCheck(&cd_region); - if (cd_state > 0) + if (cd_state != CIT_NOT_CD) { PicoAHW |= PAHW_MCD; // valid CD image, check for BIOS.. @@ -402,11 +427,9 @@ int emu_ReloadRom(void) return 0; } - Pico.m.frame_count = 0; - // insert CD if it was detected - if (cd_state > 0) { - ret = Insert_CD(romFileName, cd_state == 2); + if (cd_state != CIT_NOT_CD) { + ret = Insert_CD(romFileName, cd_state); if (ret != 0) { sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?"); lprintf("%s\n", menuErrorMsg);