Cathode Ray Tube (CRT) Figure 2.4 from H&B CRT - - PDF document

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Cathode Ray Tube (CRT) Figure 2.4 from H&B CRT - - PDF document

Sep 18, 2023 323 likes •432 views

Cathode Ray Tube (CRT) Figure 2.4 from H&B CRT

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SLIDE 1

1

Cathode Ray Tube (CRT)

Figure 2.4 from H&B

CRT ˜

  • ā
  • āā
  • ā
  • ā

ā

  • āā
  • ā
  • āā
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SLIDE 2

2

Color CRT

Figure 2.8 from H&B

Display controller (DC)

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MOVE 10 15 LINE 400 300 CHAR Lu cy

lINE . JMP

(Display commands) (Interaction data) Interface with host computer

Lucy

Vector Graphics

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SLIDE 3

3

  • Ideal line drawing

Vector scan

Raster Graphics Systems

Display Processor System Memory CPU Frame Buffer Monitor Video Controller System Bus I/O Devices

Figure 2.29 from H&B

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SLIDE 4

4

Frame Buffer

Frame Buffer

Figure 1.2 from FvDFH

Frame Buffer Refresh

Figure 1.3 from FvDFH

Refresh rate is usually 30-75Hz

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SLIDE 5

5

Color Frame Buffer

  • Ideal line drawing

Vector scan Raster scan with outline primitives Raster scan with filled primitives

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SLIDE 6

6

0a0 0a4 . . . FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF

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SLIDE 7

7

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SLIDE 8

8 128 levels 32 levels

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SLIDE 9

9 16 levels 128 levels

R G B LUT 40 256 40

Color Look Up Table

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SLIDE 10

10

126 14 111 36 36 111 36 111 36 12 12 17 17 111 14 126 17 36 12 111 36 36 200 12 14 126 17 36 36 111 12 14 36 36 200 12 14 126 17 36 36 111 36 200 200 12 14 111 14 126 126 17 36 36 36 36 12 14 111 111 36 126 17 36 36 200 111 72 72 12 12 17 10 128 36 17 200 111 12 14 126 126 126 126 17 17 17 17 36 36 36 36 36 200 200 200 12 12 12 14 14 111 111 72 72 72 106 155

10 128 36 17 200 111 12 14 126 126 126 126 17 17 17 17 36 36 36 36 36 200 200 200 12 12 12 14 14 111 111 72 72 72 106 155 14 126 17 36 36 111 36 200 200 12 14 111 14 126 126 17 36 36 36 36 12 14 111 111 36 126 17 36 36 200 111 72 72 12 12 17 126 14 111 36 36 111 36 111 36 12 12 17 17 111 14 126 17 36 12 111 36 36 200 12 14 126 17 36 36 111 12 14 36 36 200 12

RGB Image