G20H:		OR BYTE PTR [SI], 0
		JZ G20H0
		CALL EXTEND
		CALL RA
		MOV AL, [ARGS]
		CMP AL, 5
		JNZ G20HF
		JMP MMODRM
G20H0:		MOV AX, 0C1DDH
		MOV [OPCODE], AX
		OR BYTE PTR [FLAGS], 10H
		RET
G20HF:		XOR AL, AL
		JMP FAIL
