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Correct typos in listing 3.1

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rnndxb wxcy 2016-03-03 13:07:27 -05:00
commit 101714d905
1 changed files with 25 additions and 25 deletions
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src/chapter-03.md
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@ -163,7 +163,7 @@ presented in Chapter K on the companion CD-ROM.
; in when ZTimerOn was called. ; in when ZTimerOn was called.
; ;
Code segment word public ‘CODE' Code segment word public 'CODE'
assume cs:Code, ds:nothing assume cs:Code, ds:nothing
public ZTimerOn, ZTimerOff, ZTimerReport public ZTimerOn, ZTimerOff, ZTimerReport
@ -220,7 +220,7 @@ OriginalFlags db ? ; storage for upper byte of
; ZTimerOn called ; ZTimerOn called
TimedCount dw ? ; timer 0 count when the timer TimedCount dw ? ; timer 0 count when the timer
; is stopped ; is stopped
ReferenceCount dw ; number of counts required to ReferenceCount dw ? ; number of counts required to
; execute timer overhead code ; execute timer overhead code
OverflowFlag db ? ; used to indicate whether the OverflowFlag db ? ; used to indicate whether the
; timer overflowed during the ; timer overflowed during the
@ -229,28 +229,28 @@ OverflowFlag db ? ; used to indicate whether the
; String printed to report results. ; String printed to report results.
; ;
OutputStr label byte OutputStr label byte
db 0dh, 0ah, ‘Timed count: ‘, 5 dup (?) db 0dh, 0ah, 'Timed count: ', 5 dup (?)
ASCIICountEnd label byte ASCIICountEnd label byte
db ‘ microseconds', 0dh, 0ah db ' microseconds', 0dh, 0ah
db ‘$' db '$'
; ;
; String printed to report timer overflow. ; String printed to report timer overflow.
; ;
OverflowStr label byte OverflowStr label byte
db 0dh, 0ah db 0dh, 0ah
db ‘****************************************************' db '****************************************************'
db 0dh, 0ah db 0dh, 0ah
db ‘* The timer overflowed, so the interval timed was *' db '* The timer overflowed, so the interval timed was *'
db 0dh, 0ah db 0dh, 0ah
db ‘* too long for the precision timer to measure. *' db '* too long for the precision timer to measure. *'
db 0dh, 0ah db 0dh, 0ah
db ‘* Please perform the timing test again with the *' db '* Please perform the timing test again with the *'
db 0dh, 0ah db 0dh, 0ah
db ‘* long-period timer. *' db '* long-period timer. *'
db 0dh, 0ah db 0dh, 0ah
db ‘****************************************************' db '****************************************************'
db 0dh, 0ah db 0dh, 0ah
db ‘$' db '$'
; ******************************************************************** ; ********************************************************************
; * Routine called to start timing. * ; * Routine called to start timing. *