Samsung S3F84B8 User Manual page 50

S3F84B8_UM_REV 1.00
Following example shows you how to perform stack operations in the internal register file using PUSH and POP
instructions.
LD
•
•
•
PUSH
PUSH
PUSH
PUSH
•
•
•
POP
POP
POP
POP
Example 2-4 Standard Stack Operations Using PUSH and POP
SPL,#0FFH
PP
RP0
RP1
R3
R3
RP1
RP0
PP
; SPL  FFH
; (Normally, the SPL is set to 0FFH by the initialization
; routine)
; Stack address 0FEH  PP
; Stack address 0FDH  RP0
; Stack address 0FCH  RP1
; Stack address 0FBH  R3
; R3  Stack address 0FBH
; RP1  Stack address 0FCH
; RP0  Stack address 0FDH
; PP  Stack address 0FEH
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2 ADDRESS SPACES