public static List<ReilInstruction> translate(
final StandardEnvironment environment, final Instruction instruction) {
final List<ReilInstruction> instructions = new FilledList<ReilInstruction>();
final int baseOffset = instruction.getAddress() * 0x100;
int offset = baseOffset;
final TranslationResult operandResult =
OperandTranslator.translate(
environment, offset, instruction.getOperand(), true, instruction);
instructions.addAll(operandResult.getInstructions());
offset = baseOffset + instructions.size();
final String subResult = environment.getNextVariableString();
final String truncatedResult = environment.getNextVariableString();
instructions.add(
ReilHelpers.createSub(
offset++,
OperandSize.BYTE,
operandResult.getResultRegister(),
OperandSize.BYTE,
"1",
OperandSize.WORD,
subResult,
instruction));
instructions.add(
ReilHelpers.createAnd(
offset++,
OperandSize.WORD,
subResult,
OperandSize.BYTE,
"255",
OperandSize.BYTE,
truncatedResult,
instruction));
instructions.add(
ReilHelpers.createStm(
offset++,
OperandSize.BYTE,
truncatedResult,
OperandSize.WORD,
operandResult.getMemoryAddress(),
instruction));
instructions.addAll(
FlagTranslator.translateZ(
environment, offset + instructions.size(), truncatedResult, instruction));
instructions.addAll(
FlagTranslator.translateN(
environment, offset + instructions.size(), truncatedResult, instruction));
return instructions;
}
public static List<ReilInstruction> translate(
final StandardEnvironment environment, final Instruction instruction) {
final List<ReilInstruction> instructions = new FilledList<ReilInstruction>();
final int baseOffset = instruction.getAddress() * 0x100;
int offset = baseOffset;
String source;
String target;
if (instruction.getOperand() == null) {
source = "A";
target = "A";
} else {
final TranslationResult operandResult =
OperandTranslator.translate(
environment, offset, instruction.getOperand(), true, instruction);
instructions.addAll(operandResult.getInstructions());
offset = baseOffset + instructions.size();
source = operandResult.getResultRegister();
target = operandResult.getMemoryAddress();
}
final String shiftResult = environment.getNextVariableString();
final String truncatedResult =
instruction.getOperand() == null ? "A" : environment.getNextVariableString();
instructions.add(
ReilHelpers.createBsh(
offset++,
OperandSize.BYTE,
source,
OperandSize.BYTE,
"1",
OperandSize.WORD,
shiftResult,
instruction));
instructions.add(
ReilHelpers.createAnd(
offset++,
OperandSize.WORD,
shiftResult,
OperandSize.BYTE,
"255",
OperandSize.BYTE,
truncatedResult,
instruction));
if (instruction.getOperand() != null) {
instructions.add(
ReilHelpers.createStm(
offset++, OperandSize.BYTE, truncatedResult, OperandSize.WORD, target, instruction));
}
instructions.addAll(
FlagTranslator.translateZ(
environment, baseOffset + instructions.size(), truncatedResult, instruction));
instructions.addAll(
FlagTranslator.translateN(
environment, baseOffset + instructions.size(), truncatedResult, instruction));
instructions.addAll(
FlagTranslator.translateC(
environment, baseOffset + instructions.size(), shiftResult, instruction));
return instructions;
}