58 lines
1.7 KiB
TypeScript
58 lines
1.7 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.byteRegisters["B"] = args[2];
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Registers.byteRegisters["C"] = 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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// inc bc
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return [1, 4];
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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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return []
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}; |