RDMODE     Read Mode     Rabbit 3000A/4000 Instruction

Opcode	Instruction	Clocks	Operation
ED 7F	RDMODE	4 (2,2)	CF = SU[0]

Flags				ALTD			IOI/IOE
S	Z	L/V	C	F	R	SP	S	D
-	-	-	·

Description

Sets the C flag to the value of bit 0 of SU. Bit 0 of SU is the current system/user mode.