40 lines
1.2 KiB
TypeScript
40 lines
1.2 KiB
TypeScript
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/// <reference path="Byte.ts" />
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enum Flags { CARRY, ADDSUB, PARITY, UNUSED1, HALF, UNUSED2, ZERO, SIGN }
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class Registers {
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public static byteRegisters: Byte[] = [];
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public static shadowRegisters: Byte[] = [];
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public static programCounter: Word = new Word(0);
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public static stackPointer: Word = new Word(0);
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public static Init() {
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Registers.byteRegisters["IXH"] = new Byte(0);
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Registers.byteRegisters["IXL"] = new Byte(0);
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Registers.byteRegisters["IYH"] = new Byte(0);
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Registers.byteRegisters["IYL"] = new Byte(0);
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var tmp = "ABCDEFHLIR";
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for(var i; i < tmp.length; i++)
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Registers.byteRegisters[tmp[i]] = new Byte(0);
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}
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public static GenerateWord(high: string, low: string): Word {
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return new Word(Registers.byteRegisters[high], Registers.byteRegisters[low]);
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}
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public static SetFlag(flag: Flags, value: boolean) {
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if(flag != Flags.UNUSED1 && flag != Flags.UNUSED2)
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Registers.byteRegisters["F"].Bit(flag, value);
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}
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public static GetFlag(flag: Flags): boolean {
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return Registers.byteRegisters["F"].Test(flag);
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}
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public static ExchangeAccumlatorFlags() {
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}
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}
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