S3C8639 View Datasheet(PDF) - Samsung

Part Name

Description

View to exact match

S3C8639

8-bit single-chip CMOS microcontrollers

Samsung 

ADDRESS SPACES

S3C8639/C863A/P863A/C8647/F8647

F PROGRAMMING TIP — Standard Stack Operations Using PUSH and POP

The 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

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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