Functional Description
2.12.8VDP General Line Mode and Line Address Register
Subaddress
80 0600h−80 0611h
(default line mode = FFh, address = 00h)
Subaddress | 7 | 6 | 5 | 4 |
| 3 | 2 | 1 | 0 |
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80 0600h |
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| Line address 1 |
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80 0601h |
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| Line mode 1 |
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80 0602h |
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| Line address 2 |
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80 0603h |
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| Line mode 2 |
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80 0604h |
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| Line address 3 |
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80 0605h |
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| Line mode 3 |
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80 0606h |
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| Line address 4 |
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80 0607h |
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| Line mode 4 |
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80 0608h |
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| Line address 5 |
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80 0609h |
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| Line mode 5 |
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80 060Ah |
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| Line address 6 |
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80 060Bh |
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| Line mode 6 |
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80 060Ch |
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| Line address 7 |
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80 060Dh |
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| Line mode 7 |
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80 060Eh |
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| Line address 8 |
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80 060Fh |
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| Line mode 8 |
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80 0610h |
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| Line address 9 |
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80 0611h |
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| Line mode 9 |
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Line address [7:0]: Line number to be processed by a VDP set by a line mode register (default 00h) Line mode register [7:0]:
Bit 7: | 0 | = Disabled filters | |
| 1 | = Enabled filters for teletext and CC (null byte filter) (default) | |
Bit 6: | 0 | = Send sliced VBI data to registers only (default) | |
| 1 | = Send sliced VBI data to FIFO and registers, teletext data only goes to FIFO (default) | |
Bit 5: | 0 | = Allow VBI data with errors in the FIFO | |
| 1 | = Do not allow VBI data with errors in the FIFO (default) | |
Bit 4: | 0 | = Disabled error detection and correction | |
| 1 | = Enabled error detection and correction (teletext only) (default) | |
Bit 3: | 0 | = Field 1 | |
| 1 | = Field 2 (default) | |
Bits [2:0]: | 000 | = Teletext (WST625, Chinese teletext, NABTS 525) | |
| 001 | = CC (US, Europe, Japan, China) | |
| 010 | = WSS (525, 625) | |
| 011 = VITC | ||
| 100 | = VPS/PDC (PAL only), Gemstar (NTSC only) | |
| 101 | = USER 1 |
110 = USER 2
111 = Reserved (active video) (default)
76 | TVP5147M1PFP |