Normal quotes

03-02.md

@@ -35,10 +35,10 @@
     ;
     ; Note: These routines can introduce slight inaccuracies into the
     ;    system clock count for each code section timed even if
-    ;    timer 0 doesn’t overflow. If timer 0 does overflow, the
+    ;    timer 0 doesn't overflow. If timer 0 does overflow, the
     ;    system clock can become slow by virtually any amount of
-    ;    time, since the system clock can’t advance while the
-    ;    precison timer is timing. Consequently, it’s a good idea
+    ;    time, since the system clock can't advance while the
+    ;    precison timer is timing. Consequently, it's a good idea
     ;    to reboot at the end of each timing session. (The
     ;    battery-backed clock, if any, is not affected by the Zen
     ;    timer.)
@@ -49,7 +49,7 @@
     ; in when ZTimerOn was called.
     ;
 
-    Code segment word public ‘CODE’
+    Code segment word public ‘CODE'
          assumecs:    Code, ds:nothing
          public       ZTimerOn, ZTimerOff, ZTimerReport
 
@@ -117,26 +117,26 @@
     OutputStr  label byte
                db    0dh, 0ah, ‘Timed count: ‘, 5 dup (?)
     ASCIICountEnd    labelbyte
-               db    ‘ microseconds’, 0dh, 0ah
-               db    ‘$’
+               db    ‘ microseconds', 0dh, 0ah
+               db    ‘$'
     ;
     ; String printed to report timer overflow.
     ;
     OverflowStr label byte
           db    0dh, 0ah
-          db    ‘****************************************************’
+          db    ‘****************************************************'
           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    ‘* too long for the precision timer to measure.     *’
+          db    ‘* too long for the precision timer to measure.     *'
           db    0dh, 0ah
-          db    ‘* Please perform the timing test again with the    *’
+          db    ‘* Please perform the timing test again with the    *'
     db0dh, 0ah
-          db    ‘* long-period timer.                               *’    
+          db    ‘* long-period timer.                               *'    
           db    0dh, 0ah
-          db    ‘****************************************************’
+          db    ‘****************************************************'
           db    0dh, 0ah
-          db    ‘$’
+          db    ‘$'
 
     ; ********************************************************************
     ; * Routine called to start timing.                                  *
@@ -158,7 +158,7 @@
                                        ; to 0
        push   ax
     ;
-    ; Turn on interrupts, so the timer interrupt can occur if it’s
+    ; Turn on interrupts, so the timer interrupt can occur if it's
     ; pending.
     ;
          sti
@@ -171,7 +171,7 @@
          mov  al,00110100b               ;mode 2
          out  MODE_8253,al
     ;
-    ; Set the timer count to 0, so we know we won’t get another
+    ; Set the timer count to 0, so we know we won't get another
     ; timer interrupt right away.
     ; Note: this introduces an inaccuracy of up to 54 ms in the system
     ; clock count each time it is executed.
@@ -418,7 +418,7 @@
     CTSLoop:
          sub   dx, dx
          div   bx
-          add  dl,’0’
+          add  dl,'0'
          mov   [si],dl
          dec   si
          loop  CTSLoop