private void InsertJump(Instruction i, VM.Opcode opcode)
{
byte reg;
// for conditional jumps, fetch the appropriate register for the conditional value
if (opcode != VM.Opcode.JMP)
{
reg = FetchRegister(i.a.target);
}
else
{
reg = 0;
}
_output.EmitJump(opcode, i.b.target, reg);
}
private void InsertOp(Instruction i, VM.Opcode Opcode)
{
if (i.b != null)
{
var a = FetchRegister(i.a.target);
var b = FetchRegister(i.b.target);
var dst = FetchRegister(i.target);
_output.Emit(Opcode, new byte[] { a, b, dst });
}
else
{
var src = FetchRegister(i.a.target);
var dst = FetchRegister(i.target);
_output.Emit(Opcode, new byte[] { src, dst });
}
}