PUSH AR1H:AR0H
6-286
PUSH AR1H:AR0H Push AR1H and Ar0H Registers on Stack
SYNTAX OPTIONS OPCODE OBJMODE RPT CYC
PUSH AR1H:AR0H 0000 0000 0000 0101 X − 1
Operands
AR1H:
AR0H
Upper 16-bits of XAR1 and XAR0 auxiliary registers
Description Push the contents of AR0H followed by the contents of AR1H onto the stack
pointed to by SP.
Post-increment SP by 2:
[SP] = AR0H
[SP+1] = AR1H;
SP += 2;
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
IntX:
PUSH AR1H:AR0H
PUSH XAR2
PUSH XAR3
PUSH XAR4
PUSH XAR5
PUSH XAR6
PUSH XAR7
PUSH XT
.
.
.
; Full context save code for an
; interrupt or trap function
; 16-bit AR1H and 16-bit AR0H store
; 32-bit store of XAR2
; 32-bit store of XAR3
; 32-bit store of XAR4
; 32-bit store of XAR5
; 32-bit store of XAR6
; 32-bit store of XAR7
; 32-bit store of XT
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