public WE32100Rewriter(WE32100Architecture arch, EndianImageReader rdr, ProcessorState state, IStorageBinder binder, IRewriterHost host)
{
this.arch = arch;
this.rdr = rdr;
this.state = state;
this.binder = binder;
this.host = host;
this.dasm = new WE32100Disassembler(arch, rdr).GetEnumerator();
this.instr = null !;
this.m = null !;
}
public IEnumerator <RtlInstructionCluster> GetEnumerator()
{
while (dasm.MoveNext())
{
this.instr = dasm.Current;
var rtls = new List <RtlInstruction>();
m = new RtlEmitter(rtls);
this.iclass = instr.InstructionClass;
switch (instr.Mnemonic)
{
default:
host.Error(instr.Address, $"WE32100 instruction '{instr}' is not supported yet.");
EmitUnitTest();
goto case Mnemonic.invalid;
case Mnemonic.invalid:
m.Invalid(); iclass = InstrClass.Invalid; break;
case Mnemonic.addb2: RewriteArithmetic2(m.IAdd, PrimitiveType.Byte); break;
case Mnemonic.addh2: RewriteArithmetic2(m.IAdd, PrimitiveType.Word16); break;
case Mnemonic.addw2: RewriteArithmetic2(m.IAdd, PrimitiveType.Word32); break;
case Mnemonic.addb3: RewriteArithmetic3(m.IAdd, PrimitiveType.Byte); break;
case Mnemonic.addh3: RewriteArithmetic3(m.IAdd, PrimitiveType.Word16); break;
case Mnemonic.addw3: RewriteArithmetic3(m.IAdd, PrimitiveType.Word32); break;
case Mnemonic.dech: RewriteUnary(e => m.ISub(e, 1), PrimitiveType.Word16, NZVC); break;
case Mnemonic.movb: RewriteMov(PrimitiveType.Byte); break;
case Mnemonic.xorb2: RewriteLogical2(m.Xor, PrimitiveType.Byte); break;
case Mnemonic.xorh2: RewriteLogical2(m.Xor, PrimitiveType.Word16); break;
case Mnemonic.xorw2: RewriteLogical2(m.Xor, PrimitiveType.Word32); break;
}
yield return(m.MakeCluster(instr.Address, instr.Length, iclass));
}
}
