Normal quotes

43-05.md

@@ -2,7 +2,7 @@
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-Another limitation of bit-plane animation is that it’s best if images
+Another limitation of bit-plane animation is that it's best if images
 stored in the same plane never cross each other. Why? Because when
 images do cross, the blank fringe
 
@@ -85,20 +85,20 @@ Table 43.2 Palette RAM settings for two-plane animation.
 * * * * *
 
 around each image can temporarily erase the overlapped parts of the
-other image or images, resulting in momentary flicker. While that’s not
+other image or images, resulting in momentary flicker. While that's not
 fatal, it certainly detracts from the rock-solid animation effect of
 bit-plane animation.
 
 Not allowing images in the same plane to overlap is actually less of a
 limitation than it seems. Run Listing 43.1 again. Unless you were
-looking for it, you’d never notice that images of the same color almost
-never overlap—there’s plenty of action to distract the eye, and the
+looking for it, you'd never notice that images of the same color almost
+never overlap—there's plenty of action to distract the eye, and the
 trajectories of images of the same color are arranged so that they have
 a full range of motion without running into each other. The only
 exception is the chain of green images, which occasionally doubles back
 on itself when it bounces directly into a corner and reverses direction.
 Here, however, the images are moving so quickly that the brief moment
-during which one image’s fringe blanks a portion of another image is
+during which one image's fringe blanks a portion of another image is
 noticeable only upon close inspection, and not particularly unaesthetic
 even then.
 
@@ -107,7 +107,7 @@ even then.
 
 When a technique has such tremendous visual and performance advantages
 as does bit-plane animation, it behooves you to design your animation
-software so that the limitations of the animation technique don’t get in
+software so that the limitations of the animation technique don't get in
 the way. For example, you might design a shooting gallery game with all
 the images in a given plane marching along in step in a continuous band.
 The images could never overlap, so bit-plane animation would produce
@@ -124,7 +124,7 @@ memory. If the CRT controller scans memory faster than the CPU can
 modify that memory, then the CRT controller can scan out the bytes of
 display memory that have been already been changed, pass the point in
 the image that the CPU is currently drawing, and start scanning out
-bytes that haven’t yet been changed. The result: Mismatched upper and
+bytes that haven't yet been changed. The result: Mismatched upper and
 lower portions of the image.
 
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