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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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LST4-9.ASM
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Assembly Source File
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1990-02-15
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308b
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15 lines
;
; *** Listing 4-9 ***
;
; Measures the performance of repeated MUL instructions,
; which allow the prefetch queue to be full at all times,
; to demonstrate a case in which DRAM refresh has no impact
; on code performance.
;
sub ax,ax
call ZTimerOn
rept 1000
mul ax
endm
call ZTimerOff