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Power-Programmierung
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CD1.mdf
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assemblr
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library
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zenlib
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lst10_8.asm
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Assembly Source File
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1990-02-15
|
573b
|
27 lines
;
; *** Listing 10-8 ***
;
; Initializes a 1000-word array using a single
; repeated STOSW.
;
jmp Skip
;
ARRAY_LENGTH equ 1000
WordArray dw ARRAY_LENGTH dup (?)
;
Skip:
call ZTimerOn
mov di,seg WordArray
mov es,di
mov di,offset WordArray
;point ES:DI to the array to
; fill, since STOSW must
; use that segment:offset combo
; as a memory pointer
sub ax,ax ;we'll fill with the value zero
mov cx,ARRAY_LENGTH ;# of words to fill
cld ;make STOSW add 2 to DI after each
; execution
rep stosw ;fill the array
call ZTimerOff