3.7.6 Register Control Commands |
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45) REGISTER A SET | LD/CD |
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Function: | Changes the current setting of Register A. (Display) |
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Format: | Integer | R A |
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Explanation: | Register A sets detailed attributes of the display. The | ||||
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| Time number | ||||
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| messages, lines | ||||
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| Integer | Function | User’s | Chapter/ | Frame/ |
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| Track | Time |
| 0 | Display Off | 0 | 0 | 0 |
| 1 | Frame or Time Number | 0 | 0 | 1 |
| 2 | Chapter or Track Number | 0 | 1 | 0 |
| 3 | Frame or Time and Chapter or Track | 0 | 1 | 1 |
| 4 | User’s Display | 1 | 0 | 0 |
| 5 | User’s Display and Frame or Time | 1 | 0 | 1 |
| 6 | User’s Display and Chapter or Track | 1 | 1 | 0 |
| 7 | User’s Display and Frame or Time, |
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| and Chapter or Track | 1 | 1 | 1 |
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Figure
All the character displays are turned ON/OFF by the display control command. The display contents are determined by Register A.
*CD Track and Index numbers are processed in the Chapter Register. CD Block numbers are processed as part of the time number in the Frame/Time Register. The display positions on the screen for the
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Frame #(CAV) or Time # (CLV LaserDisc or CD) |
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Chapter #(CAV/CLV) or |
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| Display |
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| Control |
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10 lines, 20 characters per line |
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Register A
Figure