49 lines
2.0 KiB
C++
49 lines
2.0 KiB
C++
//////////////////////////////////////////////////////////////////////////
|
||
// Mapper202 150-in-1 //
|
||
//////////////////////////////////////////////////////////////////////////
|
||
void Mapper202::Reset()
|
||
{
|
||
SetPROM_16K_Bank( 4, 6 );
|
||
SetPROM_16K_Bank( 6, 7 );
|
||
|
||
if( VROM_1K_SIZE ) {
|
||
SetVROM_8K_Bank( 0 );
|
||
}
|
||
}
|
||
|
||
void Mapper202::ExWrite( WORD addr, BYTE data )
|
||
{
|
||
if( addr >= 0x4020 ) {
|
||
WriteSub( addr, data );
|
||
}
|
||
}
|
||
|
||
void Mapper202::WriteLow( WORD addr, BYTE data )
|
||
{
|
||
WriteSub( addr, data );
|
||
}
|
||
|
||
void Mapper202::Write( WORD addr, BYTE data )
|
||
{
|
||
WriteSub( addr, data );
|
||
}
|
||
|
||
void Mapper202::WriteSub( WORD addr, BYTE data )
|
||
{
|
||
INT bank = (addr>>1) & 0x07;
|
||
|
||
SetPROM_16K_Bank( 4, bank );
|
||
if( (addr & 0x0C) == 0x0C ) {
|
||
SetPROM_16K_Bank( 6, bank+1 );
|
||
} else {
|
||
SetPROM_16K_Bank( 6, bank );
|
||
}
|
||
SetVROM_8K_Bank( bank );
|
||
|
||
if( addr & 0x01 ) {
|
||
SetVRAM_Mirror( VRAM_HMIRROR );
|
||
} else {
|
||
SetVRAM_Mirror( VRAM_VMIRROR );
|
||
}
|
||
}
|