public override Tlcs900Instruction Decode(byte b, Tlcs900Disassembler dasm)
{
foreach (var m in mutators)
{
if (!m(b, dasm))
{
return new Tlcs900Instruction
{
Opcode = Opcode.invalid,
iclass = iclass,
Address = dasm.addr
}
}
;
}
var instr = new Tlcs900Instruction
{
Opcode = opcode,
iclass = iclass,
Address = dasm.addr,
op1 = dasm.ops.Count > 0 ? dasm.ops[0] : null,
op2 = dasm.ops.Count > 1 ? dasm.ops[1] : null,
op3 = dasm.ops.Count > 2 ? dasm.ops[2] : null,
};
return(instr);
}
}
public Tlcs900Rewriter(Tlcs900Architecture 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 Tlcs900Disassembler(this.arch, rdr).GetEnumerator();
this.instr = null !;
this.m = null !;
}
public override Tlcs900Instruction Decode(uint b, Tlcs900Disassembler dasm)
{
foreach (var m in mutators)
{
if (!m(b, dasm))
{
return(dasm.CreateInvalidInstruction());
}
}
var instr = new Tlcs900Instruction
{
Mnemonic = opcode,
InstructionClass = iclass,
Address = dasm.addr,
Operands = dasm.ops.ToArray()
};
return(instr);
}
public IEnumerator <RtlInstructionCluster> GetEnumerator()
{
while (dasm.MoveNext())
{
iclass = InstrClass.Linear;
var instrs = new List <RtlInstruction>();
m = new RtlEmitter(instrs);
this.instr = dasm.Current;
switch (instr.Mnemonic)
{
default:
host.Warn(
instr.Address,
string.Format(
"TLCS-900 instruction '{0}' not supported yet.",
instr.Mnemonic));
EmitUnitTest();
Invalid();
break;
case Mnemonic.invalid:
Invalid();
break;
case Mnemonic.adc: RewriteAdcSbc(m.IAdd, "****0*"); break;
case Mnemonic.add: RewriteBinOp(m.IAdd, "***V0*"); break;
case Mnemonic.and: RewriteBinOp(m.And, "**1*00"); break;
case Mnemonic.bit: RewriteBit(); break;
case Mnemonic.bs1b: RewriteBs1b(); break;
case Mnemonic.call: RewriteCall(); break;
case Mnemonic.calr: RewriteCall(); break;
case Mnemonic.ccf: RewriteCcf(); break;
case Mnemonic.chg: RewriteChg(); break;
case Mnemonic.cp: RewriteCp("SZHV1C"); break;
case Mnemonic.daa: RewriteDaa("****-*"); break;
case Mnemonic.dec: RewriteIncDec(m.ISub, "****1-"); break;
case Mnemonic.decf: RewriteDecf(); break;
case Mnemonic.div: RewriteDiv(m.UDiv, "---V--"); break;
case Mnemonic.divs: RewriteDiv(m.SDiv, "---V--"); break;
case Mnemonic.djnz: RewriteDjnz(); break;
case Mnemonic.ei: RewriteEi(); break;
case Mnemonic.ex: RewriteEx(); break;
case Mnemonic.halt: RewriteHalt(); break;
case Mnemonic.inc: RewriteIncDec(m.IAdd, "****0-"); break;
case Mnemonic.incf: RewriteIncf(); break;
case Mnemonic.lda: RewriteLda(); break;
case Mnemonic.jp: RewriteJp(); break;
case Mnemonic.jr: RewriteJp(); break;
case Mnemonic.ld: RewriteLd(); break;
case Mnemonic.ldf: RewriteLdf(); break;
case Mnemonic.ldir: RewriteLdir(PrimitiveType.Byte, "--000-"); break;
case Mnemonic.ldirw: RewriteLdir(PrimitiveType.Word16, "--000-"); break;
case Mnemonic.mul: RewriteMul(m.UMul); break;
case Mnemonic.muls: RewriteMul(m.SMul); break;
case Mnemonic.nop: m.Nop(); break;
case Mnemonic.or: RewriteBinOp(m.Or, "**0*00"); break;
case Mnemonic.pop: RewritePop(); break;
case Mnemonic.push: RewritePush(); break;
case Mnemonic.rcf: RewriteRcf(); break;
case Mnemonic.res: RewriteRes(); break;
case Mnemonic.ret: RewriteRet(); break;
case Mnemonic.retd: RewriteRetd(); break;
case Mnemonic.reti: RewriteReti(); break;
case Mnemonic.sbc: RewriteAdcSbc(m.ISub, "****1*"); break;
case Mnemonic.scc: RewriteScc(); break;
case Mnemonic.scf: RewriteScf(); break;
case Mnemonic.set: RewriteSet(); break;
case Mnemonic.sla: RewriteShift(m.Shl, "**0*0*"); break;
case Mnemonic.sll: RewriteShift(m.Shl, "**0*0*"); break;
case Mnemonic.srl: RewriteShift(m.Shr, "**0*0*"); break;
case Mnemonic.sub: RewriteBinOp(m.ISub, "***V1*"); break;
case Mnemonic.swi: RewriteSwi(); break;
case Mnemonic.xor: RewriteBinOp(m.Xor, "**0*00"); break;
case Mnemonic.zcf: RewriteZcf(); break;
}
yield return(new RtlInstructionCluster(instr.Address, instr.Length, instrs.ToArray())
{
Class = iclass
});
}
}