mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-11-01 08:25:18 +01:00
BSX rom is now optional. if missing, it will load directly into the
game.
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@ -600,8 +600,8 @@ done you can proceed to run the emulator via the Homebrew Channel.
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-=[ Satellaview (BS-X) ]=-
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Snes9x GX supports loading BS games. The BSX BIOS is required.
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Download the English + No DRM BS-X ROM here:
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Snes9x GX supports loading BS games. The BSX BIOS is not required.
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If you wish to use one, download the English + No DRM BS-X ROM here:
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https://project.satellaview.org/downloads.htm
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Put it in your snes9xgx folder, renamed to BS-X.bin.
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@ -49,6 +49,7 @@ bool inSz = false;
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unsigned long SNESROMSize = 0;
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bool loadingFile = false;
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bool bsxBiosLoadFailed;
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extern bool isBSX();
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@ -377,9 +378,10 @@ static bool IsValidROM()
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if(p != NULL)
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{
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if (strcasecmp(p, ".smc") == 0 ||
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if (strcasecmp(p, ".bs") == 0 ||
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strcasecmp(p, ".fig") == 0 ||
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strcasecmp(p, ".sfc") == 0 ||
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strcasecmp(p, ".smc") == 0 ||
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strcasecmp(p, ".swc") == 0)
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{
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if(zippedFilename) free(zippedFilename);
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@ -455,8 +457,6 @@ int BrowserLoadSz()
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return szfiles;
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}
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static bool bsxBiosLoadFailed;
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int WiiFileLoader()
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{
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size_t size;
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@ -531,9 +531,6 @@ int BrowserLoadFile()
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{
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ErrorPrompt("Error loading game!");
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}
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else if(bsxBiosLoadFailed) {
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ErrorPrompt("BS-X BIOS file not found!");
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}
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else
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{
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// load SRAM or snapshot
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@ -14,6 +14,8 @@
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#include "display.h"
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#include <math.h>
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extern bool bsxBiosLoadFailed;
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//#define BSX_DEBUG
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#define BIOS_SIZE 0x100000
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@ -1209,7 +1211,7 @@ uint8 * S9xGetBasePointerBSX (uint32 address)
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static bool8 BSX_LoadBIOS (void)
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{
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#ifdef GEKKO
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return FALSE; // We're not loading the BIOS!
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return TRUE; // We're not loading the BIOS!
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#else
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FILE *fp;
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char path[PATH_MAX + 1], name[PATH_MAX + 1];
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@ -1305,7 +1307,7 @@ void S9xInitBSX (void)
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uint8 *header = r1 ? Memory.ROM + 0x7FC0 : Memory.ROM + 0xFFC0;
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FlashMode = (header[0x18] & 0xEF) == 0x20 ? FALSE : TRUE;
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FlashSize = FLASH_SIZE;
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FlashSize = (header[0x19] & 0x20) ? PSRAM_SIZE : FLASH_SIZE;
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// Fix Block Allocation Flags
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// (for games that don't have it setup properly,
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@ -1374,12 +1376,38 @@ void S9xResetBSX (void)
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BSX.out_index = 0;
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memset(BSX.output, 0, sizeof(BSX.output));
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// starting from the bios
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BSX.MMC[0x02] = BSX.MMC[0x03] = BSX.MMC[0x05] = BSX.MMC[0x06] = 0x80;
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BSX.MMC[0x09] = BSX.MMC[0x0B] = 0x80;
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if(bsxBiosLoadFailed) {
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BSX.MMC[0x02] = FlashMode ? 0x80: 0;
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BSX.MMC[0x07] = BSX.MMC[0x08] = 0x80;
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BSX.MMC[0x0E] = 0x80;
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// per bios: run from psram or flash card
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if (FlashSize == PSRAM_SIZE)
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{
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memcpy(PSRAM, FlashROM, PSRAM_SIZE);
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BSX.MMC[0x01] = 0x80;
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BSX.MMC[0x03] = 0x80;
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BSX.MMC[0x04] = 0x80;
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BSX.MMC[0x0C] = 0x80;
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BSX.MMC[0x0D] = 0x80;
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}
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else
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{
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BSX.MMC[0x03] = 0x80;
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BSX.MMC[0x05] = 0x80;
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BSX.MMC[0x06] = 0x80;
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BSX.MMC[0x09] = BSX.MMC[0x0B] = 0x80;
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}
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BSX.MMC[0x0E] = 0x80;
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}
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else {
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// starting from the bios
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BSX.MMC[0x02] = BSX.MMC[0x03] = BSX.MMC[0x05] = BSX.MMC[0x06] = 0x80;
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BSX.MMC[0x09] = BSX.MMC[0x0B] = 0x80;
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BSX.MMC[0x07] = BSX.MMC[0x08] = 0x80;
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BSX.MMC[0x0E] = 0x80;
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}
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// default register values
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BSX.PPU[0x2196 - BSXPPUBASE] = 0x10;
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