RET f     Return on Flag     Rabbit 2000/3000/4000 Instruction

Opcode	Instruction	Clocks	Operation
----	RET f	8 (2,1,2,2,1)	If {f}   PClow = (SP); PChigh = (SP + 1)   SP = SP + 2
C0	RET NZ	8 (2,1,2,2,1)	if {NZ}   PClow = (SP); PChigh = (SP + 1);   SP = SP + 2
C8	RET Z	8 (2,1,2,2,1)	if {Z}   PClow = (SP); PChigh = (SP + 1)   SP = SP + 2
D0	RET NC	8 (2,1,2,2,1)	if {NC}   PClow = (SP); PChigh = (SP + 1)   SP = SP + 2
D8	RET C	8 (2,1,2,2,1)	if {C}   PClow = (SP); PChigh = (SP + 1)   SP = SP + 2
E0	RET LZ	8 (2,1,2,2,1)	if {LZ}   PClow = (SP); PChigh = (SP + 1)   SP = SP + 2
E8	RET LO	8 (2,1,2,2,1)	if {LO}   PClow = (SP); PChigh = (SP + 1)   SP = SP + 2
F0	RET P	8 (2,1,2,2,1)	if {P}   PClow = (SP); PChigh = (SP + 1)   SP = SP + 2
F8	RET M	8 (2,1,2,2,1)	if {M}   PClow = (SP); PChigh = (SP + 1)   SP = SP + 2

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

Description

If the condition f is false, the instruction is ignored. Otherwise, program execution continues at the address at the top of the stack. See "Condition Codes" on page 4 for a description of f.