TITLE Program Template          (RevStr.asm)

; This program reverses a string.
; Last update: 1/28/02

INCLUDE Irvine32.inc

.data
aName BYTE "Abraham Lincoln",0
nameSize = ($ - aName) - 1

.code
main PROC

; Push the name on the stack.
    mov ecx,nameSize
    mov esi,0

L1:    movzx eax,aName[esi]    ; get character
    push eax    ; push on stack
    inc esi
    Loop L1

; Pop the name from the stack, in reverse,
; and store in the aName array.
    mov ecx,nameSize
    mov esi,0

L2:    pop eax    ; get character
    mov aName[esi],al    ; store in string
    inc esi
    Loop L2

; Display the name.
    mov edx,OFFSET aName
    call Writestring
    call Crlf

    exit
main ENDP
END main