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