AxibugEmuOnline/OtherCore/MyNes.Standard2/MyNes.Core/Mapper015.cs

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2024-07-24 15:03:33 +08:00
namespace MyNes.Core
{
[BoardInfo("100-in-1 Contra Function 16", 15)]
internal class Mapper015 : Board
{
private int temp;
internal override void WritePRG(ref ushort address, ref byte data)
{
switch (address & 3)
{
case 0:
Switch16KPRG(data & 0x3F, PRGArea.Area8000);
Switch16KPRG((data & 0x3F) | 1, PRGArea.AreaC000);
break;
case 1:
Switch16KPRG(data & 0x3F, PRGArea.Area8000);
Switch16KPRG(PRG_ROM_16KB_Mask, PRGArea.AreaC000);
break;
case 2:
temp = data << 1;
temp = ((data & 0x3F) << 1) | ((data >> 7) & 1);
Switch08KPRG(temp, PRGArea.Area8000);
Switch08KPRG(temp, PRGArea.AreaA000);
Switch08KPRG(temp, PRGArea.AreaC000);
Switch08KPRG(temp, PRGArea.AreaE000);
break;
case 3:
Switch16KPRG(data & 0x3F, PRGArea.Area8000);
Switch16KPRG(data & 0x3F, PRGArea.AreaC000);
break;
}
Switch01KNMTFromMirroring(((data & 0x40) == 64) ? Mirroring.Horz : Mirroring.Vert);
}
}
}