109 lines
No EOL
3.4 KiB
TypeScript
109 lines
No EOL
3.4 KiB
TypeScript
/// <reference path="../Byte.ts" />
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/// <reference path="../LCD.ts" />
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/// <reference path="../Memory.ts" />
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/// <reference path="../Registers.ts" />
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/// <reference path="../TI.ts" />
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TI.Opcodes[0x00] = function(args: Byte[]): number[] {
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return [1, 4];
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};
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TI.Opcodes[0x01] = function(args: Byte[]): number[] {
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Registers.SetRegisterPair("BC", new Word(args[2], args[1]));
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return [3, 10];
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};
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TI.Opcodes[0x02] = function(args: Byte[]): number[] {
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Memory.Set(Registers.GenerateWord("B","C"), Registers.byteRegisters["A"]);
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return [1, 7];
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};
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TI.Opcodes[0x03] = function(args: Byte[]): number[] {
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var tmp = Registers.GenerateWord("B", "C");
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tmp.Add(1);
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Registers.SetRegisterPair("BC", tmp);
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return [1, 6];
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};
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TI.Opcodes[0x04] = function(args: Byte[]): number[] {
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var tmp = Registers.byteRegisters["B"];
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var over = Registers.byteRegisters["B"].Add(1);
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Registers.SetFlag(Flags.ADDSUB, false);
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Registers.SetFlag(Flags.ZERO, over.Get() != 0);
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Registers.SetFlag(Flags.PARITY, tmp.Test(7) == false && Registers.byteRegisters["B"].Test(7) == true);
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Registers.SetFlag(Flags.HALF, (tmp.Get() & 0x0F) == 0x0F);
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Registers.SetFlag(Flags.SIGN, Registers.byteRegisters["B"].Test(7));
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return [1, 4];
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};
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TI.Opcodes[0x05] = function(args: Byte[]): number[] {
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// dec b
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return [1, 4];
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};
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TI.Opcodes[0x06] = function(args: Byte[]): number[] {
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Registers.byteRegisters["B"] = args[1];
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return [1, 7];
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};
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TI.Opcodes[0x07] = function(args: Byte[]): number[] {
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Registers.SetFlag(Flags.CARRY, Registers.byteRegisters["A"].ShiftLeft(true));
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Registers.SetFlag(Flags.ADDSUB, false);
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Registers.SetFlag(Flags.HALF, false);
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return [1, 4];
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};
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TI.Opcodes[0x08] = function(args: Byte[]): number[] {
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Registers.ExchangeAFShadow();
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return [1,4];
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};
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TI.Opcodes[0x09] = function(args: Byte[]): number[] {
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var tmp = [Registers.GenerateWord("H", "L"), Registers.GenerateWord("B","C")];
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var overflow = tmp[0].Add(tmp[1]);
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Registers.SetRegisterPair("HL", tmp[0]);
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Registers.SetFlag(Flags.ADDSUB, false);
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Registers.SetFlag(Flags.CARRY, overflow.Get() != 0);
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// todo check if flags are set correctly
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return [1, 11];
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};
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TI.Opcodes[0x0A] = function(args: Byte[]): number[] {
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Registers.byteRegisters["A"] = Memory.Get(Registers.GenerateWord("B","C"));
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return [1, 7];
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};
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TI.Opcodes[0x0B] = function(args: Byte[]): number[] {
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var tmp = Registers.GenerateWord("B", "C");
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tmp.Sub(1);
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Registers.SetRegisterPair("BC", tmp);
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return [1, 6];
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};
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TI.Opcodes[0x0C] = function(args: Byte[]): number[] {
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var tmp = Registers.byteRegisters["C"];
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var over = Registers.byteRegisters["C"].Add(1);
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Registers.SetFlag(Flags.ADDSUB, false);
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Registers.SetFlag(Flags.ZERO, over.Get() != 0);
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Registers.SetFlag(Flags.PARITY, tmp.Test(7) == false && Registers.byteRegisters["C"].Test(7) == true);
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Registers.SetFlag(Flags.HALF, (tmp.Get() & 0x0F) == 0x0F);
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Registers.SetFlag(Flags.SIGN, Registers.byteRegisters["C"].Test(7));
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return [1, 4];
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};
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TI.Opcodes[0x0D] = function(args: Byte[]): number[] {
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// dec c
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return [1, 4];
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};
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TI.Opcodes[0x0E] = function(args: Byte[]): number[] {
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Registers.byteRegisters["A"] = args[1];
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return [2, 7];
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};
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TI.Opcodes[0x0F] = function(args: Byte[]): number[] {
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Registers.SetFlag(Flags.CARRY, Registers.byteRegisters["A"].ShiftRight(true));
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Registers.SetFlag(Flags.ADDSUB, false);
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Registers.SetFlag(Flags.HALF, false);
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return [1, 4];
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}; |