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java.lang.Objectdioscuri.module.cpu.Instruction_CMPS_XbYb
public class Instruction_CMPS_XbYb
Intel opcode A6
Compare string byte at address DS:(E)SI with address ES:(E)DI.
After compare, contents of SI and DI are incremented or decremented based on
DF flag:
Byte: +/- 1, word: +/- 2, doubleword: +/-4.
Flags modified: CF, OF, SF, ZF, AF, and PF
| Constructor Summary | |
|---|---|
Instruction_CMPS_XbYb()
Class constructor |
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Instruction_CMPS_XbYb(CPU processor)
Class constructor specifying processor reference |
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| Method Summary | |
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void |
execute()
Compare byte at address DS:(E)SI with address ES:(E)DI; set flags accordingly. Increment/decrement both registers depending on DF flag. Flags modified: CF, OF, SF, ZF, AF, and PF |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public Instruction_CMPS_XbYb()
public Instruction_CMPS_XbYb(CPU processor)
processor - Reference to CPU class| Method Detail |
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public void execute()
execute in interface Instruction
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