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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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lst8_4.asm
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Assembly Source File
|
1990-02-15
|
290b
|
19 lines
;
; *** Listing 8-4 ***
;
; Tests the zero/non-zero status of a variable via
; the accumulator-specific form of MOV followed by a
; register-register AND.
;
jmp Skip
;
TestValue dw ?
;
Skip:
call ZTimerOn
rept 1000
mov ax,[TestValue]
and ax,ax
endm
call ZTimerOff