/*
* Copyright (C) 2010-2016 JPEXS, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.jpexs.decompiler.flash.abc.avm2.instructions.alchemy;
import com.jpexs.decompiler.flash.abc.ABC;
import com.jpexs.decompiler.flash.abc.AVM2LocalData;
import com.jpexs.decompiler.flash.abc.avm2.AVM2ConstantPool;
import com.jpexs.decompiler.flash.abc.avm2.LocalDataArea;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2InstructionFlag;
import com.jpexs.decompiler.flash.abc.avm2.instructions.InstructionDefinition;
import com.jpexs.decompiler.flash.abc.avm2.model.AlchemySignExtendAVM2Item;
import com.jpexs.decompiler.flash.ecma.EcmaScript;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.TranslateStack;
import java.util.List;
/**
*
* @author JPEXS
*/
public class Sxi16Ins extends InstructionDefinition implements AlchemyTypeIns {
public Sxi16Ins() {
super(0x52, "sxi16", new int[]{}, false, AVM2InstructionFlag.DOMAIN_MEMORY);
}
@Override
public boolean execute(LocalDataArea lda, AVM2ConstantPool constants, AVM2Instruction ins) {
int value = (int) ((short) (EcmaScript.toInt32(lda.operandStack.pop()) & 0xffff));
lda.operandStack.push(value);
return true;
}
@Override
public void translate(AVM2LocalData localData, TranslateStack stack, AVM2Instruction ins, List<GraphTargetItem> output, String path) {
GraphTargetItem value = stack.pop();
stack.push(new AlchemySignExtendAVM2Item(ins, localData.lineStartInstruction, value, 16));
}
@Override
public int getStackPopCount(AVM2Instruction ins, ABC abc) {
return 1;
}
@Override
public int getStackPushCount(AVM2Instruction ins, ABC abc) {
return 1;
}
}