region detection, cd states wip, fixes, stuff

[picodrive.git] / platform / gp2x / emu.c

diff --git a/platform/gp2x/emu.c b/platform/gp2x/emu.c
index 666537c..17e7028 100644 (file)
--- a/platform/gp2x/emu.c
+++ b/platform/gp2x/emu.c
@@ -187,11 +187,11 @@ static int cd_check(char *ext, char **bios_file)
        }\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
+       fseek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, 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] == 0x64) region = 8; // EU\r
        if (buf[0] == 0xa1) region = 1; // JAP\r
 \r
        printf("detected %s Sega/Mega CD image with %s region\n",\r
@@ -374,7 +374,7 @@ int emu_ReloadRom(void)
                }\r
        }\r
        gettimeofday(&noticeMsgTime, 0);\r
-\r
+printf("PicoMCD: %x\n", PicoMCD);\r
        // load SRAM for this ROM\r
        if(currentConfig.EmuOpt & 1)\r
                emu_SaveLoadGame(1, 1);\r
@@ -452,10 +452,11 @@ int emu_ReadConfig(int game)
                // set default config\r
                memset(&currentConfig, 0, sizeof(currentConfig));\r
                currentConfig.lastRomFile[0] = 0;\r
-               currentConfig.EmuOpt  = 0x1f;\r
-               currentConfig.PicoOpt = 0x0f;\r
-               currentConfig.PsndRate = 22050;\r
+               currentConfig.EmuOpt  = 0x1f | 0xc00; // | cd_leds | cd_cdda\r
+               currentConfig.PicoOpt = 0x0f | 0x200; // | use_940\r
+               currentConfig.PsndRate = 44100;\r
                currentConfig.PicoRegion = 0; // auto\r
+               currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP\r
                currentConfig.Frameskip = -1; // auto\r
                currentConfig.CPUclock = 200;\r
                currentConfig.volume = 50;\r
@@ -490,6 +491,7 @@ int emu_ReadConfig(int game)
        PicoOpt = currentConfig.PicoOpt;\r
        PsndRate = currentConfig.PsndRate;\r
        PicoRegionOverride = currentConfig.PicoRegion;\r
+       PicoAutoRgnOrder = currentConfig.PicoAutoRgnOrder;\r
        if (PicoOpt & 0x20) {\r
                actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r
                actionNames[10] = "X"; actionNames[11] = "MODE";\r
@@ -527,6 +529,7 @@ int emu_WriteConfig(int game)
                currentConfig.PicoOpt = PicoOpt;\r
                currentConfig.PsndRate = PsndRate;\r
                currentConfig.PicoRegion = PicoRegionOverride;\r
+               currentConfig.PicoAutoRgnOrder = PicoAutoRgnOrder;\r
                bwrite = fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
                fflush(f);\r
                fclose(f);\r
@@ -586,8 +589,10 @@ void osd_text(int x, int y, char *text)
 \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
+       // mmu problems?\r
+//     static\r
+       int old_reg;\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
@@ -771,8 +776,6 @@ static void RunEvents(unsigned int which)
                }\r
                if (do_it) {\r
                        blit("", (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
-                       if(movie_data) {\r
-                       }\r
                        emu_SaveLoadGame(which & 0x1000, 0);\r
                }\r
 \r
@@ -1023,7 +1026,7 @@ void emu_Loop(void)
                if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {\r
                        /* if 940 is turned off, we need it to be put back to sleep */\r
                        if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {\r
-                               Reset940(1);\r
+                               Reset940(1, 2);\r
                                Pause940(1);\r
                        }\r
                        sound_rerate();\r
@@ -1231,6 +1234,7 @@ if (Pico.m.frame_count == 31563) {
 \r
        // save SRAM\r
        if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
+               blit("", "Writing SRAM/BRAM..");\r
                emu_SaveLoadGame(0, 1);\r
                SRam.changed = 0;\r
        }\r
@@ -1269,7 +1273,7 @@ int emu_SaveLoadGame(int load, int sram)
 \r
        // make save filename\r
        romfname_ext(saveFname, "");\r
-       if(sram) strcat(saveFname, ".srm");\r
+       if(sram) strcat(saveFname, (PicoMCD&1) ? ".brm" : ".srm");\r
        else {\r
                if(state_slot > 0 && state_slot < 10) sprintf(saveFname, "%s.%i", saveFname, state_slot);\r
                strcat(saveFname, ".mds");\r
@@ -1279,30 +1283,41 @@ int emu_SaveLoadGame(int load, int sram)
 \r
        if(sram) {\r
                FILE *sramFile;\r
-               int sram_size = SRam.end-SRam.start+1;\r
-               if(SRam.reg_back & 4) sram_size=0x2000;\r
-               if(!SRam.data) return 0; // SRam forcefully disabled for this game\r
+               int sram_size;\r
+               unsigned char *sram_data;\r
+               if (PicoMCD&1) {\r
+                       sram_size = 0x2000;\r
+                       sram_data = Pico_mcd->bram;\r
+               } else {\r
+                       sram_size = SRam.end-SRam.start+1;\r
+                       if(SRam.reg_back & 4) sram_size=0x2000;\r
+                       sram_data = SRam.data;\r
+               }\r
+               if(!sram_data) return 0; // SRam forcefully disabled for this game\r
+\r
                if(load) {\r
                        sramFile = fopen(saveFname, "rb");\r
                        if(!sramFile) return -1;\r
-                       fread(SRam.data, 1, sram_size, sramFile);\r
+                       fread(sram_data, 1, sram_size, sramFile);\r
                        fclose(sramFile);\r
                } else {\r
                        // sram save needs some special processing\r
                        // see if we have anything to save\r
                        for(; sram_size > 0; sram_size--)\r
-                               if(SRam.data[sram_size-1]) break;\r
+                               if(sram_data[sram_size-1]) break;\r
 \r
                        if(sram_size) {\r
                                sramFile = fopen(saveFname, "wb");\r
-                               ret = fwrite(SRam.data, 1, sram_size, sramFile);\r
+                               ret = fwrite(sram_data, 1, sram_size, sramFile);\r
                                ret = (ret != sram_size) ? -1 : 0;\r
                                fclose(sramFile);\r
                                sync();\r
                        }\r
                }\r
                return ret;\r
-       } else {\r
+       }\r
+       else\r
+       {\r
                void *PmovFile = NULL;\r
                // try gzip first\r
                if(currentConfig.EmuOpt & 8) {\r
@@ -1310,14 +1325,16 @@ int emu_SaveLoadGame(int load, int sram)
                        if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
                                areaRead  = gzRead2;\r
                                areaWrite = gzWrite2;\r
+                               areaEof   = (areaeof *) gzeof;\r
                                if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
                        } else\r
                                saveFname[strlen(saveFname)-3] = 0;\r
                }\r
                if(!PmovFile) { // gzip failed or was disabled\r
                        if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
-                               areaRead  = (STATE_SL_FUNC) fread;\r
-                               areaWrite = (STATE_SL_FUNC) fwrite;\r
+                               areaRead  = (arearw *) fread;\r
+                               areaWrite = (arearw *) fwrite;\r
+                               areaEof   = (areaeof *) feof;\r
                        }\r
                }\r
                if(PmovFile) {\r