Samsung S3C9228/P9228 사용자 설명서

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The following example shows you how to perform stack operations in the internal register file using PUSH and
POP instructions:

LD

SP,#0B8H

; SP  

←

  B8H (Normally, the SP is set to 0B8H by the

; initialization routine)

•
•
•

PUSH

SYM

; Stack address 0B7H 

←

  SYM

PUSH

WTCON

; Stack address 0B6H 

←

  WTCON

PUSH

20H

; Stack address 0B5H 

←

  20H

PUSH

R3

; Stack address 0B4H 

←

  R3

•
•
•

POP

R3

; R3  

←

  Stack address 0B4H

POP

20H

; 20H  

←

  Stack address 0B5H

POP

WTCON

; WTCON  

←

  Stack address 0B6H

POP

SYM

; SYM  

←

  Stack address 0B7H