AxibugEmuOnline/References/virtuanessrc097-master/NES/Mapper/Mapper078.cpp
2024-08-05 17:58:53 +08:00

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//////////////////////////////////////////////////////////////////////////
// Mapper078 Jaleco(Cosmo Carrier) //
//////////////////////////////////////////////////////////////////////////
void Mapper078::Reset()
{
SetPROM_32K_Bank( 0, 1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 );
if( VROM_8K_SIZE ) {
SetVROM_8K_Bank( 0 );
}
}
void Mapper078::Write( WORD addr, BYTE data )
{
//DEBUGOUT( "MAP78 WR $%04X=$%02X L=%d\n", addr, data, nes->GetScanline() );
SetPROM_16K_Bank( 4, data&0x0F );
SetVROM_8K_Bank( (data&0xF0)>>4 );
if( (addr & 0xFE00) != 0xFE00 ) {
if( data & 0x08 ) SetVRAM_Mirror( VRAM_MIRROR4H );
else SetVRAM_Mirror( VRAM_MIRROR4L );
}
}