AxibugEmuOnline/OtherCore/MyNes.Standard2/MyNes.Core/Mapper204.cs

20 lines
523 B
C#

namespace MyNes.Core
{
[BoardInfo("64-in-1", 204)]
internal class Mapper204 : Board
{
internal override void WritePRG(ref ushort address, ref byte data)
{
Switch01KNMTFromMirroring(((address & 0x10) == 16) ? Mirroring.Horz : Mirroring.Vert);
Switch08KCHR(address & 7);
if ((address & 6) == 6)
{
Switch32KPRG(3, PRGArea.Area8000);
return;
}
Switch16KPRG(address & 7, PRGArea.Area8000);
Switch16KPRG(address & 7, PRGArea.AreaC000);
}
}
}