<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">; Listing 4.10. LST4-10.ASM
; 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
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