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BSORT.ASM
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Assembly Source File
|
1986-09-14
|
896b
|
41 lines
; ROUTINE TO SORT A STRING ARRAY
;
bsort proc far
;
push si ; save registers
push di
push cx
push ax
;
; adjust count for one less than number of items
dec cx ; adjust the count
;
; outer loop - for SI = 1 TO N-1
bsort1:
push cx ; save the count
mov di,si ; destination points to source
;
; inner loop - for DI = SI+1 to N
bsort2:
push cx ; save the count
add di,dx ; point to next destination
mov cx,dx ; entry length
call compare ; compare the strings
jle bsort3 ; skip if source <= dest
call switch ; switch if not
bsort3:
pop cx ; restore the count
loop bsort2
;
add si,dx ; point to next source
pop cx ; restore the count
loop bsort1
bsortexit:
pop ax ; restore registers
pop cx
pop di
pop si
ret
;
bsort endp