/**
* Copy ST GEMDOS intercept program image into cartridge memory space
* or load an external cartridge file.
* The intercept program is part of Hatari and used as an interface to the host
* file system through GemDOS. It is also needed for Line-A-Init when using
* extended VDI resolutions.
*/
void Cart_ResetImage(void)
{
int PatchIllegal = FALSE;
/* "Clear" cartridge ROM space */
memset(&RomMem[0xfa0000], 0xff, 0x20000);
/* Print a warning if user tries to use an external cartridge file
* together with GEMDOS HD emulation or extended VDI resolution: */
if (strlen(ConfigureParams.Rom.szCartridgeImageFileName) > 0)
{
if (bUseVDIRes)
Log_Printf(LOG_WARN, "Cartridge can't be used together with extended VDI resolution!\n");
if (ConfigureParams.HardDisk.bUseHardDiskDirectories)
Log_Printf(LOG_WARN, "Cartridge can't be used together with GEMDOS hard disk emulation!\n");
}
/* Use internal cartridge when user wants extended VDI resolution or GEMDOS HD. */
if (bUseVDIRes || ConfigureParams.HardDisk.bUseHardDiskDirectories)
{
/* Copy built-in cartrige data into the cartridge memory of the ST */
memcpy(&RomMem[0xfa0000], Cart_data, sizeof(Cart_data));
PatchIllegal = TRUE;
}
else if (strlen(ConfigureParams.Rom.szCartridgeImageFileName) > 0)
{
/* Load external image file: */
Cart_LoadImage();
}
if (PatchIllegal == TRUE)
{
//fprintf ( stderr ," Cart_ResetImage patch\n" );
/* Hatari's specific illegal opcodes for HD emulation */
cpufunctbl[GEMDOS_OPCODE] = OpCode_GemDos; /* 0x0008 */
cpufunctbl[SYSINIT_OPCODE] = OpCode_SysInit; /* 0x000a */
cpufunctbl[VDI_OPCODE] = OpCode_VDI; /* 0x000c */
}
else
{
//fprintf ( stderr ," Cart_ResetImage no patch\n" );
/* No built-in cartridge loaded : set same handler as 0x4afc (illegal) */
cpufunctbl[GEMDOS_OPCODE] = cpufunctbl[ 0x4afc ]; /* 0x0008 */
cpufunctbl[SYSINIT_OPCODE] = cpufunctbl[ 0x4afc ]; /* 0x000a */
cpufunctbl[VDI_OPCODE] = cpufunctbl[ 0x4afc ]; /* 0x000c */
}
}
/**
* Copy ST GEMDOS intercept program image into cartridge memory space
* or load an external cartridge file.
* The intercept program is part of Hatari and used as an interface to the host
* file system through GemDOS. It is also needed for Line-A-Init when using
* extended VDI resolutions.
*/
void Cart_ResetImage(void)
{
int PatchIllegal = false;
/* "Clear" cartridge ROM space */
memset(&RomMem[0xfa0000], 0xff, 0x20000);
/* Print a warning if user tries to use an external cartridge file
* together with GEMDOS HD emulation or extended VDI resolution: */
if (strlen(ConfigureParams.Rom.szCartridgeImageFileName) > 0)
{
if (bUseVDIRes)
Log_Printf(LOG_WARN, "Cartridge can't be used together with extended VDI resolution!\n");
if (ConfigureParams.HardDisk.bUseHardDiskDirectories)
Log_Printf(LOG_WARN, "Cartridge can't be used together with GEMDOS hard disk emulation!\n");
}
/* Use internal cartridge when user wants extended VDI resolution or
* GEMDOS HD. But don't use it on TOS 0.00, it does not work there. */
if ((bUseVDIRes || ConfigureParams.HardDisk.bUseHardDiskDirectories)
&& TosVersion >= 0x100)
{
/* Copy built-in cartridge data into the cartridge memory of the ST */
memcpy(&RomMem[0xfa0000], Cart_data, sizeof(Cart_data));
PatchIllegal = true;
}
else if (strlen(ConfigureParams.Rom.szCartridgeImageFileName) > 0)
{
/* Load external image file: */
Cart_LoadImage();
}
if (PatchIllegal == true)
{
//fprintf ( stderr ," Cart_ResetImage patch\n" );
/* Hatari's specific illegal opcodes for HD emulation */
cpufunctbl[GEMDOS_OPCODE] = OpCode_GemDos; /* 0x0008 */
cpufunctbl[SYSINIT_OPCODE] = OpCode_SysInit; /* 0x000a */
cpufunctbl[VDI_OPCODE] = OpCode_VDI; /* 0x000c */
}
else
{
//fprintf ( stderr ," Cart_ResetImage no patch\n" );
/* No built-in cartridge loaded : set same handler as 0x4afc (illegal) */
cpufunctbl[GEMDOS_OPCODE] = cpufunctbl[ 0x4afc ]; /* 0x0008 */
cpufunctbl[SYSINIT_OPCODE] = cpufunctbl[ 0x4afc ]; /* 0x000a */
cpufunctbl[VDI_OPCODE] = cpufunctbl[ 0x4afc ]; /* 0x000c */
}
/* although these don't need cartridge code, it's better
* to configure all illegal opcodes in same place...
*/
if (ConfigureParams.Log.bNatFeats)
{
/* illegal opcodes for emulators Native Features */
cpufunctbl[NATFEAT_ID_OPCODE] = OpCode_NatFeat_ID; /* 0x7300 */
cpufunctbl[NATFEAT_CALL_OPCODE] = OpCode_NatFeat_Call; /* 0x7301 */
}
else
{
/* No Native Features : set same handler as 0x4afc (illegal) */
cpufunctbl[NATFEAT_ID_OPCODE] = cpufunctbl[ 0x4afc ]; /* 0x7300 */
cpufunctbl[NATFEAT_CALL_OPCODE] = cpufunctbl[ 0x4afc ]; /* 0x7300 */
}
}
