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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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lst4_10.asm
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Assembly Source File
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1990-02-15
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267b
|
13 lines
;
; *** Listing 4-10 ***
;
; Measures the performance of repeated SHR instructions,
; which empty the prefetch queue, to demonstrate the
; worst-case impact of DRAM refresh on code performance.
;
call ZTimerOn
rept 1000
shr ax,1
endm
call ZTimerOff