BOOL IX
BOOL IY     Boolean Logic     Rabbit 2000/3000/4000 Instruction

Opcode	Instruction	Clocks	Operation
DD CC	BOOL IX	4 (2,2)	If (IX != 0) IX = 1
FD CC	BOOL IY	4 (2,2)	If (IY != 0) IY = 1

Flags				ALTD			IOI/IOE
S	Z	L/V	C	F	R	SP	S	D
·	·	0	0

Description

If IX or IY does not equal zero, then that register is set to 1.