//
// Generic ROM loading
//
-uint32 JaguarLoadROM(uint8 * rom, char * path)
+uint32 JaguarLoadROM(uint8 * &rom, char * path)
{
// We really should have some kind of sanity checking for the ROM size here to prevent
// a buffer overflow... !!! FIX !!!
// Handle ZIP file loading here...
WriteLog("(ZIPped)...");
- uint8_t * buffer = NULL;
- romSize = GetFileFromZIP(path, FT_SOFTWARE, buffer);
+// uint8_t * buffer = NULL;
+// romSize = GetFileFromZIP(path, FT_SOFTWARE, buffer);
+ romSize = GetFileFromZIP(path, FT_SOFTWARE, rom);
if (romSize == 0)
{
return 0;
}
- memcpy(rom, buffer, romSize);
- delete[] buffer;
+// memcpy(rom, buffer, romSize);
+// delete[] buffer;
}
else
{
}
romSize = gzfilelength(fp);
+ rom = new uint8[romSize];
gzseek(fp, 0, SEEK_SET);
gzread(fp, rom, romSize);
gzclose(fp);
//
// Jaguar file loading
-//
-bool JaguarLoadFileOld(char * path)
-{
- jaguarROMSize = JaguarLoadROM(jaguarMainROM, path);
-
- if (jaguarROMSize == 0)
- {
-// WriteLog("VJ: Could not load ROM from file \"%s\"...\nAborting!\n", newPath);
- WriteLog("GUI: Could not load ROM from file \"%s\"...\nAborting load!\n", path);
-#warning "!!! Need error dialog here !!!"
-// Need to do something else here, like throw up an error dialog instead of aborting. !!! FIX !!!
-// log_done();
-// exit(0);
- return false; // This is a start...
- }
-
- jaguarMainROMCRC32 = crc32_calcCheckSum(jaguarMainROM, jaguarROMSize);
- WriteLog("CRC: %08X\n", (unsigned int)jaguarMainROMCRC32);
- EepromInit();
-
- jaguarRunAddress = 0x802000;
-
- char * ext = strrchr(path, '.'); // Get the file's extension for non-cartridge checking
-
-//NOTE: Should fix JaguarLoadROM() to replace .zip with what's *in* the zip (.abs, .j64, etc.)
-#warning "!!! Need more robust file type checking in JaguarLoadROM() !!!"
- if (strcasecmp(ext, ".rom") == 0)
- {
- // File extension ".ROM": Alpine image that loads/runs at $802000
- WriteLog("GUI: Setting up homebrew (ROM)... Run address: 00802000, length: %08X\n", jaguarROMSize);
-
- for(int i=jaguarROMSize-1; i>=0; i--)
- jaguarMainROM[0x2000 + i] = jaguarMainROM[i];
-
- memset(jaguarMainROM, 0xFF, 0x2000);
-/* memcpy(jaguar_mainRam, jaguar_mainRom, jaguarRomSize);
- memset(jaguar_mainRom, 0xFF, 0x600000);
- memcpy(jaguar_mainRom + 0x2000, jaguar_mainRam, jaguarRomSize);
- memset(jaguar_mainRam, 0x00, 0x400000);*/
-
-/*
-Stubulator ROM vectors...
-handler 001 at $00E00008
-handler 002 at $00E008DE
-handler 003 at $00E008E2
-handler 004 at $00E008E6
-handler 005 at $00E008EA
-handler 006 at $00E008EE
-handler 007 at $00E008F2
-handler 008 at $00E0054A
-handler 009 at $00E008FA
-handler 010 at $00000000
-handler 011 at $00000000
-handler 012 at $00E008FE
-handler 013 at $00E00902
-handler 014 at $00E00906
-handler 015 at $00E0090A
-handler 016 at $00E0090E
-handler 017 at $00E00912
-handler 018 at $00E00916
-handler 019 at $00E0091A
-handler 020 at $00E0091E
-handler 021 at $00E00922
-handler 022 at $00E00926
-handler 023 at $00E0092A
-handler 024 at $00E0092E
-handler 025 at $00E0107A
-handler 026 at $00E0107A
-handler 027 at $00E0107A
-handler 028 at $00E008DA
-handler 029 at $00E0107A
-handler 030 at $00E0107A
-handler 031 at $00E0107A
-handler 032 at $00000000
-
-Let's try setting up the illegal instruction vector for a stubulated jaguar...
-*/
-/* SET32(jaguar_mainRam, 0x08, 0x00E008DE);
- SET32(jaguar_mainRam, 0x0C, 0x00E008E2);
- SET32(jaguar_mainRam, 0x10, 0x00E008E6); // <-- Should be here (it is)...
- SET32(jaguar_mainRam, 0x14, 0x00E008EA);//*/
-
- // Try setting the vector to say, $1000 and putting an instruction there that loops forever:
- // This kludge works! Yeah!
- SET32(jaguarMainRAM, 0x10, 0x00001000);
- SET16(jaguarMainRAM, 0x1000, 0x60FE); // Here: bra Here
- }
- else if (strcasecmp(ext, ".abs") == 0)
- {
- // File extension ".ABS": Atari linker output file with header (w/o is useless to us here)
-
-/*
-ABS Format sleuthing (LBUGDEMO.ABS):
-
-000000 60 1B 00 00 05 0C 00 04 62 C0 00 00 04 28 00 00
-000010 12 A6 00 00 00 00 00 80 20 00 FF FF 00 80 25 0C
-000020 00 00 40 00
-
-DRI-format file detected...
-Text segment size = 0x0000050c bytes
-Data segment size = 0x000462c0 bytes
-BSS Segment size = 0x00000428 bytes
-Symbol Table size = 0x000012a6 bytes
-Absolute Address for text segment = 0x00802000
-Absolute Address for data segment = 0x0080250c
-Absolute Address for BSS segment = 0x00004000
-
-(CRZDEMO.ABS):
-000000 01 50 00 03 00 00 00 00 00 03 83 10 00 00 05 3b
-000010 00 1c 00 03 00 00 01 07 00 00 1d d0 00 03 64 98
-000020 00 06 8b 80 00 80 20 00 00 80 20 00 00 80 3d d0
-
-000030 2e 74 78 74 00 00 00 00 00 80 20 00 00 80 20 00 .txt (+36 bytes)
-000040 00 00 1d d0 00 00 00 a8 00 00 00 00 00 00 00 00
-000050 00 00 00 00 00 00 00 20
-000058 2e 64 74 61 00 00 00 00 00 80 3d d0 00 80 3d d0 .dta (+36 bytes)
-000068 00 03 64 98 00 00 1e 78 00 00 00 00 00 00 00 00
-000078 00 00 00 00 00 00 00 40
-000080 2e 62 73 73 00 00 00 00 00 00 50 00 00 00 50 00 .bss (+36 bytes)
-000090 00 06 8b 80 00 03 83 10 00 00 00 00 00 00 00 00
-0000a0 00 00 00 00 00 00 00 80
-
-Header size is $A8 bytes...
-
-BSD/COFF format file detected...
-3 sections specified
-Symbol Table offset = 230160 ($00038310)
-Symbol Table contains 1339 symbol entries ($0000053B)
-The additional header size is 28 bytes ($001C)
-Magic Number for RUN_HDR = 0x00000107
-Text Segment Size = 7632 ($00001DD0)
-Data Segment Size = 222360 ($00036498)
-BSS Segment Size = 428928 ($00068B80)
-Starting Address for executable = 0x00802000
-Start of Text Segment = 0x00802000
-Start of Data Segment = 0x00803dd0
-*/
- if (jaguarMainROM[0] == 0x60 && jaguarMainROM[1] == 0x1B)
- {
- uint32 loadAddress = GET32(jaguarMainROM, 0x16), //runAddress = GET32(jaguar_mainRom, 0x2A),
- codeSize = GET32(jaguarMainROM, 0x02) + GET32(jaguarMainROM, 0x06);
- WriteLog("GUI: Setting up homebrew (ABS-1)... Run address: %08X, length: %08X\n", loadAddress, codeSize);
-
- if (loadAddress < 0x800000)
- memcpy(jaguarMainRAM + loadAddress, jaguarMainROM + 0x24, codeSize);
- else
- {
- for(int i=codeSize-1; i>=0; i--)
- jaguarMainROM[(loadAddress - 0x800000) + i] = jaguarMainROM[i + 0x24];
-/* memcpy(jaguar_mainRam, jaguar_mainRom + 0x24, codeSize);
- memset(jaguar_mainRom, 0xFF, 0x600000);
- memcpy(jaguar_mainRom + (loadAddress - 0x800000), jaguar_mainRam, codeSize);
- memset(jaguar_mainRam, 0x00, 0x400000);*/
- }
-
- jaguarRunAddress = loadAddress;
- }
- else if (jaguarMainROM[0] == 0x01 && jaguarMainROM[1] == 0x50)
- {
- uint32 loadAddress = GET32(jaguarMainROM, 0x28), runAddress = GET32(jaguarMainROM, 0x24),
- codeSize = GET32(jaguarMainROM, 0x18) + GET32(jaguarMainROM, 0x1C);
- WriteLog("GUI: Setting up homebrew (ABS-2)... Run address: %08X, length: %08X\n", runAddress, codeSize);
-
- if (loadAddress < 0x800000)
- memcpy(jaguarMainRAM + loadAddress, jaguarMainROM + 0xA8, codeSize);
- else
- {
- for(int i=codeSize-1; i>=0; i--)
- jaguarMainROM[(loadAddress - 0x800000) + i] = jaguarMainROM[i + 0xA8];
-/* memcpy(jaguar_mainRam, jaguar_mainRom + 0xA8, codeSize);
- memset(jaguar_mainRom, 0xFF, 0x600000);
- memcpy(jaguar_mainRom + (loadAddress - 0x800000), jaguar_mainRam, codeSize);
- memset(jaguar_mainRam, 0x00, 0x400000);*/
- }
-
- jaguarRunAddress = runAddress;
- }
- else
- {
- WriteLog("GUI: Couldn't find correct ABS/COF format: %02X %02X\n", jaguarMainROM[0], jaguarMainROM[1]);
- return false;
- }
- }
- else if (strcasecmp(ext, ".jag") == 0)
- {
- // File extension ".JAG": Atari server file with header
-//NOTE: The bytes 'JAGR' should also be at position $1C...
-// Also, there's *always* a $601A header at position $00...
- if (jaguarMainROM[0] == 0x60 && jaguarMainROM[1] == 0x1A)
- {
- uint32 loadAddress = GET32(jaguarMainROM, 0x22), runAddress = GET32(jaguarMainROM, 0x2A);
-//This is not always right! Especially when converted via bin2jag1!!!
-//We should have access to the length of the furshlumiger file that was loaded anyway!
-//Now, we do! ;-)
-// uint32 progLength = GET32(jaguar_mainRom, 0x02);
-//jaguarRomSize
-//jaguarRunAddress
-// WriteLog("Jaguar: Setting up PD ROM... Run address: %08X, length: %08X\n", runAddress, progLength);
-// memcpy(jaguar_mainRam + loadAddress, jaguar_mainRom + 0x2E, progLength);
- WriteLog("GUI: Setting up homebrew (JAG)... Run address: %08X, length: %08X\n", runAddress, jaguarROMSize - 0x2E);
- memcpy(jaguarMainRAM + loadAddress, jaguarMainROM + 0x2E, jaguarROMSize - 0x2E);
-// SET32(jaguar_mainRam, 4, runAddress);
- jaguarRunAddress = runAddress;
- }
- else
- return false;
- }
- // .J64 (Jaguar cartridge ROM image) is implied by the FileList object...
-
- return true;
-}
-
-//
-// Jaguar file loading (second stab at it...)
// We do a more intelligent file analysis here instead of relying on (possible false)
// file extensions which people don't seem to give two shits about anyway. :-(
//
bool JaguarLoadFile(char * path)
{
-// NOTE: We can further clean this up by fixing JaguarLoadROM to load to a buffer
-// instead of assuming it goes into our ROM space.
- jaguarROMSize = JaguarLoadROM(jaguarMainROM, path);
+ uint8 * buffer = NULL;
+ jaguarROMSize = JaguarLoadROM(buffer, path);
if (jaguarROMSize == 0)
{
-// WriteLog("VJ: Could not load ROM from file \"%s\"...\nAborting!\n", newPath);
- WriteLog("GUI: Could not load ROM from file \"%s\"...\nAborting load!\n", path);
-#warning "!!! Need error dialog here !!!"
-// Need to do something else here, like throw up an error dialog instead of aborting. !!! FIX !!!
- return false; // This is a start...
+ // It's up to the GUI to report errors, not us. :-)
+ WriteLog("FILE: Could not load ROM from file \"%s\"...\nAborting load!\n", path);
+ return false;
}
- jaguarMainROMCRC32 = crc32_calcCheckSum(jaguarMainROM, jaguarROMSize);
+ jaguarMainROMCRC32 = crc32_calcCheckSum(buffer, jaguarROMSize);
WriteLog("CRC: %08X\n", (unsigned int)jaguarMainROMCRC32);
// TODO: Check for EEPROM file in ZIP file. If there is no EEPROM in the user's EEPROM
// directory, copy the one from the ZIP file, if it exists.
EepromInit();
jaguarRunAddress = 0x802000; // For non-BIOS runs, this is true
- int fileType = ParseFileType(jaguarMainROM[0], jaguarMainROM[1], jaguarROMSize);
+ int fileType = ParseFileType(buffer[0], buffer[1], jaguarROMSize);
+ jaguarCartInserted = false;
if (fileType == JST_ROM)
+ {
+ jaguarCartInserted = true;
+ memcpy(jagMemSpace + 0x800000, buffer, jaguarROMSize);
+ delete[] buffer;
return true;
+ }
else if (fileType == JST_ALPINE)
{
// File extension ".ROM": Alpine image that loads/runs at $802000
- WriteLog("GUI: Setting up Alpine ROM... Run address: 00802000, length: %08X\n", jaguarROMSize);
-
- for(int i=jaguarROMSize-1; i>=0; i--)
- jaguarMainROM[0x2000 + i] = jaguarMainROM[i];
-
- memset(jaguarMainROM, 0xFF, 0x2000);
+ WriteLog("FILE: Setting up Alpine ROM... Run address: 00802000, length: %08X\n", jaguarROMSize);
+ memset(jagMemSpace + 0x800000, 0xFF, 0x2000);
+ memcpy(jagMemSpace + 0x802000, buffer, jaguarROMSize);
+ delete[] buffer;
// Maybe instead of this, we could try requiring the STUBULATOR ROM? Just a thought...
// Try setting the vector to say, $1000 and putting an instruction there that loops forever:
}
else if (fileType == JST_ABS_TYPE1)
{
- uint32 loadAddress = GET32(jaguarMainROM, 0x16),
- codeSize = GET32(jaguarMainROM, 0x02) + GET32(jaguarMainROM, 0x06);
- WriteLog("GUI: Setting up homebrew (ABS-1)... Run address: %08X, length: %08X\n", loadAddress, codeSize);
-
- if (loadAddress < 0x800000)
- memcpy(jaguarMainRAM + loadAddress, jaguarMainROM + 0x24, codeSize);
- else
- {
- for(int i=codeSize-1; i>=0; i--)
- jaguarMainROM[(loadAddress - 0x800000) + i] = jaguarMainROM[i + 0x24];
- }
-
+ // For ABS type 1, run address == load address
+ uint32 loadAddress = GET32(buffer, 0x16),
+ codeSize = GET32(buffer, 0x02) + GET32(buffer, 0x06);
+ WriteLog("FILE: Setting up homebrew (ABS-1)... Run address: %08X, length: %08X\n", loadAddress, codeSize);
+ memcpy(jagMemSpace + loadAddress, buffer + 0x24, codeSize);
+ delete[] buffer;
jaguarRunAddress = loadAddress;
return true;
}
else if (fileType == JST_ABS_TYPE2)
{
- uint32 loadAddress = GET32(jaguarMainROM, 0x28), runAddress = GET32(jaguarMainROM, 0x24),
- codeSize = GET32(jaguarMainROM, 0x18) + GET32(jaguarMainROM, 0x1C);
- WriteLog("GUI: Setting up homebrew (ABS-2)... Run address: %08X, length: %08X\n", runAddress, codeSize);
-
- if (loadAddress < 0x800000)
- memcpy(jaguarMainRAM + loadAddress, jaguarMainROM + 0xA8, codeSize);
- else
- {
- for(int i=codeSize-1; i>=0; i--)
- jaguarMainROM[(loadAddress - 0x800000) + i] = jaguarMainROM[i + 0xA8];
- }
-
+ uint32 loadAddress = GET32(buffer, 0x28), runAddress = GET32(buffer, 0x24),
+ codeSize = GET32(buffer, 0x18) + GET32(buffer, 0x1C);
+ WriteLog("FILE: Setting up homebrew (ABS-2)... Run address: %08X, length: %08X\n", runAddress, codeSize);
+ memcpy(jagMemSpace + loadAddress, buffer + 0xA8, codeSize);
+ delete[] buffer;
jaguarRunAddress = runAddress;
return true;
}
else if (fileType == JST_JAGSERVER)
{
- uint32 loadAddress = GET32(jaguarMainROM, 0x22), runAddress = GET32(jaguarMainROM, 0x2A);
- WriteLog("GUI: Setting up homebrew (Jag Server)... Run address: %08X, length: %08X\n", runAddress, jaguarROMSize - 0x2E);
- memcpy(jaguarMainRAM + loadAddress, jaguarMainROM + 0x2E, jaguarROMSize - 0x2E);
+ uint32 loadAddress = GET32(buffer, 0x22), runAddress = GET32(buffer, 0x2A);
+ WriteLog("FILE: Setting up homebrew (Jag Server)... Run address: %08X, length: %08X\n", runAddress, jaguarROMSize - 0x2E);
+ memcpy(jagMemSpace + loadAddress, buffer + 0x2E, jaguarROMSize - 0x2E);
+ delete[] buffer;
jaguarRunAddress = runAddress;
return true;
}
// We can assume we have JST_NONE at this point. :-P
- // TODO: Add a dialog box that tells the user that they're trying to feed VJ a bogus file.
return false;
}
+//
+// "Alpine" file loading
+// Since the developers were coming after us with torches and pitchforks, we decided to
+// allow this kind of thing. ;-) But ONLY FOR THE DEVS, DAMMIT! >:-U O_O
+//
+bool AlpineLoadFile(char * path)
+{
+ uint8 * buffer = NULL;
+ jaguarROMSize = JaguarLoadROM(buffer, path);
+
+ if (jaguarROMSize == 0)
+ {
+ // It's up to the GUI to deal with failure, not us. ;-)
+ WriteLog("FILE: Could not load Alpine from file \"%s\"...\nAborting load!\n", path);
+ return false;
+ }
+
+ jaguarMainROMCRC32 = crc32_calcCheckSum(buffer, jaguarROMSize);
+ WriteLog("CRC: %08X\n", (unsigned int)jaguarMainROMCRC32);
+ EepromInit();
+
+ jaguarRunAddress = 0x802000;
+
+ WriteLog("FILE: Setting up Alpine ROM with non-standard length... Run address: 00802000, length: %08X\n", jaguarROMSize);
+
+ memset(jagMemSpace + 0x800000, 0xFF, 0x2000);
+ memcpy(jagMemSpace + 0x802000, buffer, jaguarROMSize);
+ delete[] buffer;
+
+// Maybe instead of this, we could try requiring the STUBULATOR ROM? Just a thought...
+ // Try setting the vector to say, $1000 and putting an instruction there that loops forever:
+ // This kludge works! Yeah!
+ SET32(jaguarMainRAM, 0x10, 0x00001000);
+ SET16(jaguarMainRAM, 0x1000, 0x60FE); // Here: bra Here
+
+ return true;
+}
+
//
// Get the length of a (possibly) gzipped file
//
//
static bool CheckExtension(const char * filename, const char * ext)
{
+ // Sanity checking...
+ if ((filename == NULL) || (ext == NULL))
+ return false;
+
const char * filenameExt = strrchr(filename, '.'); // Get the file's extension (if any)
+
+ if (filenameExt == NULL)
+ return false;
+
return (strcasecmp(filenameExt, ext) == 0 ? true : false);
}
// If the file size is divisible by 1M, we probably have an regular ROM.
// We can also check our CRC32 against the internal ROM database to be sure.
- if ((size % 1048576) == 0)
+ // (We also check for the Memory Track cartridge size here as well...)
+ if ((size % 1048576) == 0 || size == 131072)
return JST_ROM;
// If the file size + 8192 bytes is divisible by 1M, we probably have an
projects / virtualjaguar / blobdiff