21 lines
858 B
TypeScript
21 lines
858 B
TypeScript
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/// <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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function IncrementRegister(reg: string) {
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if(reg.length == 1) {
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var tmp = Registers.byteRegisters[reg];
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var over = Registers.byteRegisters[reg].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[reg].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[reg].Test(7));
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} else {
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var tmp = Registers.GenerateWord(reg[0],reg[1]);
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tmp.Add(1);
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Registers.SetRegisterPair(reg, tmp);
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}
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}
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