Zilog Z8F0130 - Manual (Page 216)

eZ8
™
CPU Core
User Manual
UM012820-0810 PUSH Instruction
201
PUSH
Definition
Push.
Syntax
PUSH src
Operation
SP
 SP - 1 
@SP
 src
Description
The Stack Pointer contents decrement by one. The source operand con-
tents are loaded into the location addressed by the decremented Stack
Pointer, adding a new element to the stack.
Flags
Attributes
C Unaffected
Z Unaffected
S Unaffected
V Unaffected
D Unaffected
H Unaffected
Mnemonic Source
Op Code
(Hex)
Operand 1 Operand 2 Operand 3
PUSH R2 70 R2 — —
PUSH @R2 71 R2 — —
PUSH IM 1F70 IM — —