dioscuri.module.cpu
Class Instruction_SCAS_ALYb

java.lang.Object
  dioscuri.module.cpu.Instruction_SCAS_ALYb

All Implemented Interfaces:

Instruction

public class Instruction_SCAS_ALYb
extends java.lang.Object
implements Instruction

Intel opcode AE
Compare AL with byte at ES:(E)DI and set status flags.
ES:(E)DI is incremented/decremented depending on DF flag.
Flags modified: OF, SF, ZF, AF, PF, and CF.

Constructor Summary

Instruction_SCAS_ALYb()
Class constructor

Instruction_SCAS_ALYb(CPU processor)
Class constructor specifying processor reference

Method Summary

void	execute() Compare AL with byte at ES:(E)DI and set status flags. ES:(E)DI is incremented/decremented depending on DF flag. Flags modified: OF, SF, ZF, AF, PF, and CF.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Instruction_SCAS_ALYb

public Instruction_SCAS_ALYb()

Class constructor

Instruction_SCAS_ALYb

public Instruction_SCAS_ALYb(CPU processor)

Class constructor specifying processor reference

Parameters:

processor - Reference to CPU class

Method Detail

execute

public void execute()

Compare AL with byte at ES:(E)DI and set status flags.
ES:(E)DI is incremented/decremented depending on DF flag.
Flags modified: OF, SF, ZF, AF, PF, and CF.

Specified by:

execute in interface Instruction