86 lines
2.3 KiB
C#
86 lines
2.3 KiB
C#
using System;
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using static Util;
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namespace OptimeGBA
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{
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public class Cp15
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{
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/*Nds Nds;
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public Cp15(Nds nds)
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{
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Nds = nds;
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}*/
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public uint ControlRegister;
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public uint DataTcmSettings;
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public uint InstTcmSettings;
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public void TransferTo(uint opcode1, uint rdVal, uint cRn, uint cRm, uint opcode2)
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{
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uint reg = ((cRn & 0xF) << 8) | ((cRm & 0xF) << 4) | (opcode2 & 0x7);
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switch (reg)
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{
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case 0x100:
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ControlRegister = rdVal;
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ControlRegister |= 0b00000000000000000000000001111000;
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ControlRegister &= 0b00000000000011111111000010000101;
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//Nds.Mem9.UpdateTcmSettings();
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break;
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case 0x704:
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case 0x782:
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//Nds.Cpu9.Halted = true;
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break;
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case 0x910:
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DataTcmSettings = rdVal;
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//Nds.Mem9.UpdateTcmSettings();
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break;
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case 0x911:
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InstTcmSettings = rdVal;
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//Nds.Mem9.UpdateTcmSettings();
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break;
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default:
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// Debug.Log($"UNIMPLEMENTED TO CP15 {opcode1},C{cRn},C{cRm},{opcode2}: {HexN(rdVal, 8)}");
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break;
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}
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}
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public uint TransferFrom(uint opcode1, uint cRn, uint cRm, uint opcode2)
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{
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uint val = 0;
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uint reg = ((cRn & 0xF) << 8) | ((cRm & 0xF) << 4) | (opcode2 & 0x7);
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switch (reg)
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{
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case 0x000: // ID register
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val = 0x41059461;
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break;
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case 0x001:
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val = 0x0F0D2112;
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break;
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case 0x100:
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val = ControlRegister;
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break;
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case 0x910:
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val = DataTcmSettings;
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break;
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case 0x911:
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val = InstTcmSettings;
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break;
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default:
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//Debug.Log($"UNIMPLEMENTED FROM CP15 {opcode1},C{cRn},C{cRm},{opcode2}");
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break;
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}
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return val;
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}
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}
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} |