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Graphics Programming Black Book (Special Edition)
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zoa
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zen_list.exe
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LST8-1.ASM
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Assembly Source File
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1990-02-15
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272b
|
19 lines
;
; *** Listing 8-1 ***
;
; Copies a byte via AH, with memory addressed with
; mod-reg-rm direct addressing.
;
jmp Skip
;
SourceValue db 1
DestValue db 0
;
Skip:
call ZTimerOn
rept 1000
mov ah,[SourceValue]
mov [DestValue],ah
endm
call ZTimerOff