POP XARn
6-280
POP XARn Pop Top of Stack to 32-bit Auxiliary Register
SYNTAX OPTIONS OPCODE OBJMODE RPT CYC
POP XAR0 0011 1010 1011 1110 1 − 1
POP XAR1 1011 0010 1011 1110 1 − 1
POP XAR2 1010 1010 1011 1110 1 − 1
POP XAR3 1010 0010 1011 1110 1 − 1
POP XAR4 1010 1000 1011 1110 1 − 1
POP XAR5 1010 0000 1011 1110 1 − 1
POP XAR6 1100 0010 1011 1110 X − 1
POP XAR7 1100 0011 1011 1110 X − 1
Operands XARn XAR0 to XAR7, 32-bit auxiliary registers
Description Predecrement SP by 2. Load XARn with the 32-bit value pointed to by SP:
SP −= 2;
XARn = [SP];
Flags and
Modes
None
Repeat This instruction is not repeatable. If this instruction follows the RPT
instruction, it resets the repeat counter (RPTC) and executes only once.
Example
.
.
.
; Full context restore for an
; interrupt or trap function
POP XT
POP XAR7
POP XAR6
POP XAR5
POP XAR4
POP XAR3
POP XAR2
POP AR1H:AR0H
IRET
; 32-bit XT restore
; 32-bit XAR7 restore
; 32-bit XAR6 restore
; 32-bit XAR5 restore
; 32-bit XAR4 restore
; 32-bit XAR3 restore
; 32-bit XAR2 restore
; 16-bit AR1H and 16-bit AR0H restore
To Next Page
Loading...
Need help?
General
