mc68hc908as60 Freescale Semiconductor, Inc, mc68hc908as60 Datasheet - Page 152

• Manufacturer Part Number: mc68hc908as60
• Description: Mc68hc908as60 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

System Integration Module (SIM)
Technical Data
;
;
;
;
This code works if the H register has been pushed onto the stack in the break
service routine software. This code should be executed at the end of the
break service routine software.
HIBYTE
LOBYTE
DOLO
RETURN
EQU
EQU
If not SBSW, do RTI
BRCLR
TST
BNE
DEC
DEC
PULH
RTI
5
6
SBSW,SBSR, RETURN ;
LOBYTE,SP
DOLO
HIBYTE,SP
LOBYTE,SP
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System Integration Module (SIM)
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;
; If RETURNLO is not zero,
; then just decrement low byte.
; Else deal with high byte, too.
; Point to WAIT/STOP opcode.
; Restore H register.
See if wait mode or stop mode was exited
by break.
MC68HC908AS60 — Rev. 1.0