Use backtick code blocks for syntax highlighting

This commit is contained in:
James Gregory 2013-12-31 11:38:48 +11:00
commit f658bfbb40
203 changed files with 26546 additions and 25801 deletions

View file

@ -126,25 +126,27 @@ shortly.)
**LISTING 11.1 L11-1.ASM**
;
; *** Listing 11.1 ***
;
; Measures the performance of an immediate move to
; memory, in order to demonstrate that the prefetch
; queue cycle-eater is alive and well on the AT.
;
jmp Skip
;
even ;always make sure word-sized memory
; variables are word-aligned!
WordVar dw 0
;
Skip:
call ZTimerOn
rept 1000
mov [WordVar],0
endm
call ZTimerOff
```nasm
;
; *** Listing 11.1 ***
;
; Measures the performance of an immediate move to
; memory, in order to demonstrate that the prefetch
; queue cycle-eater is alive and well on the AT.
;
jmp Skip
;
even ;always make sure word-sized memory
; variables are word-aligned!
WordVar dw 0
;
Skip:
call ZTimerOn
rept 1000
mov [WordVar],0
endm
call ZTimerOff
```
What does this mean? It means that, practically speaking, the 286 as
used in the AT doesn't have a 16-bit bus. From a performance