<< Previous | Next >>

PUSH ps     Stack Operation     Rabbit 4000/5000 Instruction

Opcode	Instruction	Operation
--	PUSH ps	(SP - 1) = ps3 (SP - 2) = ps2 (SP - 3) = ps1 (SP - 4) = ps0 SP = SP - 4
ED C5	PUSH PW	(SP - 1) = PW3; (SP - 2) = PW2 (SP - 3) = PW1; (SP - 4) = PW0 SP = SP - 4
ED D5	PUSH PX	(SP - 1) = PX3; (SP - 2) = PX2 (SP - 3) = PX1; (SP - 4) = PX0 SP = SP - 4
ED E5	PUSH PY	(SP - 1) = PY3; (SP - 2) = PY2 (SP - 3) = PY1; (SP - 4) = PY0 SP = SP - 4
ED F5	PUSH PZ	(SP - 1) = PZ3; (SP - 2) = PZ2 (SP - 3) = PZ1; (SP - 4) = PZ0 SP = SP - 4

Clocks	8-Bit Access	16-Bit Unaligned	16-Bit Aligned
Rabbit 4000	18	n/a	n/a
Rabbit 5000	19	19	17

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

Description

Pushes ps (any of the 32-bit registers PW, PX, PY or PZ) on the stack.