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CEEINFO
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
| Tape/disk: | Home » CEEFAX disks » telesoftware2.adl |
| Filename: | CEEINFO |
| Read OK: | ✔ |
| File size: | 121D bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
Duplicates
There is 1 duplicate copy of this file in the archive:
- CEEFAX disks » telesoftware1.adl » VidiEditor/CEEINFO
- CEEFAX disks » telesoftware2.adl » CEEINFO
File contents
Cee-Vid Information
CEE/VID Magazine formatter:
The CEE/VID program will capture a series of rolling pages from the CEEFAX
transmission, and format them for use by the VIDIEDITOR Teletext Screen
Generation software.
The program uses routines resident in the ATS ROM, and this must be
present in your computer.
Run the program, and enter the channel and page information at the
prompts.
The program will respond by scanning the broadcast from the selected
channel until the specified page is found. It will then open a 20K file on
your disc for storage of the sub-pages found. The received page is checked
for sub-page number. When stored, its position in the file is dependent
upon the sub-page number, and so all rolling pages with the same main page
number will be stored in numerical sub-page order.
Magazines are stored, as usual, in directory D. ADFS users should change
the line that adds this directory letter, as VidiEd saves files in the
current directory if ADFS is selected.
A maximum of 20 sub-pages can be stored in a single magazine. If more than
20 sub-pages are found, they are stored in subsequent magazines. Magazine
filenames are derrived from the main page number plus the sub-page number
of the first page in the magazine. For example, sub-pages 1 to 20 of page
711 would be stored in file D.711s01. Sub-pages 21 to 40 would be saved in
file D.711s21 etc.
A maximum of 5 magazines can be created, allowing capture of up to 100
rolling sub-pages. If a received sub-page is numbered greater than 100, an
error is generated, the program terminates, and the page is not saved. To
capture such frames, use the "save page" facility from ATS.
The system uses *SAVE to create a blank file into which it can put the
pages as they are found. This is very much faster than using BPUT, but
there is little control over the original contents of the file. Therefore,
if the program is interrupted, the file may contain unwanted characters.
For this reason, the error trap invokes a routine to tidy up the files so
no unwanted characters appear.
As each page is captured and stored, the sub-page reference found is
printed on screen. this screen display constantly reflects the contents of
the VidiEd files on the disc.
- page 1 -
Cee-Vid Information
The program has no way of knowing how many sub-pages exist in a particular
rolling sequence. It therefore scans the output for some time until it
decides it has captured all the existing sub-pages. If you come to this
decision first, you can break out of the program and tidy the files by
pressing ESCAPE.
Row zero of each page (the top row) will show the page number, sub-page
number, date and time of capture. The date and time are taken from the
transmitted TSDP. If the TSDP is not transmitted, these details cannot be
found, and a "no date" message is given instead.
Transmitted pages may contain packets 24 and/or 25. These rows cannot be
displayed by most teletext receivers, and are not included in a standard
VidiEd page. If they are transmitted with the received sub-page, refrence
to this effect will be made in row zero of the saved page, but the
contents of packets 24 and 25 will not be stored.
Each page is checked for accuracy using the transmitted CRC. The result of
this check is given on row zero. The page is NOT rejected if the CRC shows
a reception error.
If the page is a single static page, this will be saved in the same way as
for rolling pages, but the magazine filename will not include a sub-page
reference - i.e. if page 700 is requested, the VidiEd magazine created
will be saved as D.700, and NOT as D.700s01. When a static page is found,
the search for subsequent sub-pages is terminated and the magazine thus
created will contain just one entry. The transmission protocols state that
if a sub-page number of 0000 is received, a decoder can assume it is a
"static" page and that no other sub-pages exist on that page.
The program is not designed for use where sub-page coding is in full
hexadecimal notation. As such pages are extremely rare, this is unlikely
to be a problem.
The program is designed specifically for use with CEEFAX broadcasts. The
ORACLE transmissions are far more unreliable regarding the technical
details of the page (sub-page numbering, CRC information, TSDP
transmission etc.). However, it is quite probable that magazines can be
successfully created using ORACLE as the source.
- page 2 -
00000000 0d 0d 0d 0d 43 65 65 2d 56 69 64 20 20 20 20 20 |....Cee-Vid | 00000010 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | * 00000040 20 20 20 49 6e 66 6f 72 6d 61 74 69 6f 6e 0d 0d | Information..| 00000050 0d 0d 0d 43 45 45 2f 56 49 44 20 4d 61 67 61 7a |...CEE/VID Magaz| 00000060 69 6e 65 20 66 6f 72 6d 61 74 74 65 72 3a 0d 0d |ine formatter:..| 00000070 54 68 65 20 43 45 45 2f 56 49 44 20 70 72 6f 67 |The CEE/VID prog| 00000080 72 61 6d 20 77 69 6c 6c 20 63 61 70 74 75 72 65 |ram will capture| 00000090 20 61 20 73 65 72 69 65 73 20 6f 66 20 72 6f 6c | a series of rol| 000000a0 6c 69 6e 67 20 70 61 67 65 73 20 66 72 6f 6d 20 |ling pages from | 000000b0 74 68 65 20 43 45 45 46 41 58 0d 74 72 61 6e 73 |the CEEFAX.trans| 000000c0 6d 69 73 73 69 6f 6e 2c 20 61 6e 64 20 66 6f 72 |mission, and for| 000000d0 6d 61 74 20 74 68 65 6d 20 66 6f 72 20 75 73 65 |mat them for use| 000000e0 20 62 79 20 74 68 65 20 56 49 44 49 45 44 49 54 | by the VIDIEDIT| 000000f0 4f 52 20 54 65 6c 65 74 65 78 74 20 53 63 72 65 |OR Teletext Scre| 00000100 65 6e 0d 47 65 6e 65 72 61 74 69 6f 6e 20 73 6f |en.Generation so| 00000110 66 74 77 61 72 65 2e 0d 0d 54 68 65 20 70 72 6f |ftware...The pro| 00000120 67 72 61 6d 20 75 73 65 73 20 72 6f 75 74 69 6e |gram uses routin| 00000130 65 73 20 72 65 73 69 64 65 6e 74 20 69 6e 20 74 |es resident in t| 00000140 68 65 20 41 54 53 20 52 4f 4d 2c 20 61 6e 64 20 |he ATS ROM, and | 00000150 74 68 69 73 20 6d 75 73 74 20 62 65 0d 70 72 65 |this must be.pre| 00000160 73 65 6e 74 20 69 6e 20 79 6f 75 72 20 63 6f 6d |sent in your com| 00000170 70 75 74 65 72 2e 0d 0d 52 75 6e 20 74 68 65 20 |puter...Run the | 00000180 70 72 6f 67 72 61 6d 2c 20 61 6e 64 20 65 6e 74 |program, and ent| 00000190 65 72 20 74 68 65 20 63 68 61 6e 6e 65 6c 20 61 |er the channel a| 000001a0 6e 64 20 70 61 67 65 20 69 6e 66 6f 72 6d 61 74 |nd page informat| 000001b0 69 6f 6e 20 61 74 20 74 68 65 0d 70 72 6f 6d 70 |ion at the.promp| 000001c0 74 73 2e 0d 0d 54 68 65 20 70 72 6f 67 72 61 6d |ts...The program| 000001d0 20 77 69 6c 6c 20 72 65 73 70 6f 6e 64 20 62 79 | will respond by| 000001e0 20 73 63 61 6e 6e 69 6e 67 20 74 68 65 20 62 72 | scanning the br| 000001f0 6f 61 64 63 61 73 74 20 66 72 6f 6d 20 74 68 65 |oadcast from the| 00000200 20 73 65 6c 65 63 74 65 64 0d 63 68 61 6e 6e 65 | selected.channe| 00000210 6c 20 75 6e 74 69 6c 20 74 68 65 20 73 70 65 63 |l until the spec| 00000220 69 66 69 65 64 20 70 61 67 65 20 69 73 20 66 6f |ified page is fo| 00000230 75 6e 64 2e 20 49 74 20 77 69 6c 6c 20 74 68 65 |und. It will the| 00000240 6e 20 6f 70 65 6e 20 61 20 32 30 4b 20 66 69 6c |n open a 20K fil| 00000250 65 20 6f 6e 0d 79 6f 75 72 20 64 69 73 63 20 66 |e on.your disc f| 00000260 6f 72 20 73 74 6f 72 61 67 65 20 6f 66 20 74 68 |or storage of th| 00000270 65 20 73 75 62 2d 70 61 67 65 73 20 66 6f 75 6e |e sub-pages foun| 00000280 64 2e 20 54 68 65 20 72 65 63 65 69 76 65 64 20 |d. The received | 00000290 70 61 67 65 20 69 73 20 63 68 65 63 6b 65 64 0d |page is checked.| 000002a0 66 6f 72 20 73 75 62 2d 70 61 67 65 20 6e 75 6d |for sub-page num| 000002b0 62 65 72 2e 20 57 68 65 6e 20 73 74 6f 72 65 64 |ber. When stored| 000002c0 2c 20 69 74 73 20 70 6f 73 69 74 69 6f 6e 20 69 |, its position i| 000002d0 6e 20 74 68 65 20 66 69 6c 65 20 69 73 20 64 65 |n the file is de| 000002e0 70 65 6e 64 65 6e 74 0d 75 70 6f 6e 20 74 68 65 |pendent.upon the| 000002f0 20 73 75 62 2d 70 61 67 65 20 6e 75 6d 62 65 72 | sub-page number| 00000300 2c 20 61 6e 64 20 73 6f 20 61 6c 6c 20 72 6f 6c |, and so all rol| 00000310 6c 69 6e 67 20 70 61 67 65 73 20 77 69 74 68 20 |ling pages with | 00000320 74 68 65 20 73 61 6d 65 20 6d 61 69 6e 20 70 61 |the same main pa| 00000330 67 65 0d 6e 75 6d 62 65 72 20 77 69 6c 6c 20 62 |ge.number will b| 00000340 65 20 73 74 6f 72 65 64 20 69 6e 20 6e 75 6d 65 |e stored in nume| 00000350 72 69 63 61 6c 20 73 75 62 2d 70 61 67 65 20 6f |rical sub-page o| 00000360 72 64 65 72 2e 0d 0d 4d 61 67 61 7a 69 6e 65 73 |rder...Magazines| 00000370 20 61 72 65 20 73 74 6f 72 65 64 2c 20 61 73 20 | are stored, as | 00000380 75 73 75 61 6c 2c 20 69 6e 20 64 69 72 65 63 74 |usual, in direct| 00000390 6f 72 79 20 44 2e 20 41 44 46 53 20 75 73 65 72 |ory D. ADFS user| 000003a0 73 20 73 68 6f 75 6c 64 20 63 68 61 6e 67 65 0d |s should change.| 000003b0 74 68 65 20 6c 69 6e 65 20 74 68 61 74 20 61 64 |the line that ad| 000003c0 64 73 20 74 68 69 73 20 64 69 72 65 63 74 6f 72 |ds this director| 000003d0 79 20 6c 65 74 74 65 72 2c 20 61 73 20 56 69 64 |y letter, as Vid| 000003e0 69 45 64 20 73 61 76 65 73 20 66 69 6c 65 73 20 |iEd saves files | 000003f0 69 6e 20 74 68 65 0d 63 75 72 72 65 6e 74 20 64 |in the.current d| 00000400 69 72 65 63 74 6f 72 79 20 69 66 20 41 44 46 53 |irectory if ADFS| 00000410 20 69 73 20 73 65 6c 65 63 74 65 64 2e 0d 0d 41 | is selected...A| 00000420 20 6d 61 78 69 6d 75 6d 20 6f 66 20 32 30 20 73 | maximum of 20 s| 00000430 75 62 2d 70 61 67 65 73 20 63 61 6e 20 62 65 20 |ub-pages can be | 00000440 73 74 6f 72 65 64 20 69 6e 20 61 20 73 69 6e 67 |stored in a sing| 00000450 6c 65 20 6d 61 67 61 7a 69 6e 65 2e 20 49 66 20 |le magazine. If | 00000460 6d 6f 72 65 20 74 68 61 6e 0d 32 30 20 73 75 62 |more than.20 sub| 00000470 2d 70 61 67 65 73 20 61 72 65 20 66 6f 75 6e 64 |-pages are found| 00000480 2c 20 74 68 65 79 20 61 72 65 20 73 74 6f 72 65 |, they are store| 00000490 64 20 69 6e 20 73 75 62 73 65 71 75 65 6e 74 20 |d in subsequent | 000004a0 6d 61 67 61 7a 69 6e 65 73 2e 20 4d 61 67 61 7a |magazines. Magaz| 000004b0 69 6e 65 0d 66 69 6c 65 6e 61 6d 65 73 20 61 72 |ine.filenames ar| 000004c0 65 20 64 65 72 72 69 76 65 64 20 66 72 6f 6d 20 |e derrived from | 000004d0 74 68 65 20 6d 61 69 6e 20 70 61 67 65 20 6e 75 |the main page nu| 000004e0 6d 62 65 72 20 70 6c 75 73 20 74 68 65 20 73 75 |mber plus the su| 000004f0 62 2d 70 61 67 65 20 6e 75 6d 62 65 72 0d 6f 66 |b-page number.of| 00000500 20 74 68 65 20 66 69 72 73 74 20 70 61 67 65 20 | the first page | 00000510 69 6e 20 74 68 65 20 6d 61 67 61 7a 69 6e 65 2e |in the magazine.| 00000520 20 46 6f 72 20 65 78 61 6d 70 6c 65 2c 20 73 75 | For example, su| 00000530 62 2d 70 61 67 65 73 20 31 20 74 6f 20 32 30 20 |b-pages 1 to 20 | 00000540 6f 66 20 70 61 67 65 0d 37 31 31 20 77 6f 75 6c |of page.711 woul| 00000550 64 20 62 65 20 73 74 6f 72 65 64 20 69 6e 20 66 |d be stored in f| 00000560 69 6c 65 20 44 2e 37 31 31 73 30 31 2e 20 53 75 |ile D.711s01. Su| 00000570 62 2d 70 61 67 65 73 20 32 31 20 74 6f 20 34 30 |b-pages 21 to 40| 00000580 20 77 6f 75 6c 64 20 62 65 20 73 61 76 65 64 20 | would be saved | 00000590 69 6e 0d 66 69 6c 65 20 44 2e 37 31 31 73 32 31 |in.file D.711s21| 000005a0 20 65 74 63 2e 0d 0d 41 20 6d 61 78 69 6d 75 6d | etc...A maximum| 000005b0 20 6f 66 20 35 20 6d 61 67 61 7a 69 6e 65 73 20 | of 5 magazines | 000005c0 63 61 6e 20 62 65 20 63 72 65 61 74 65 64 2c 20 |can be created, | 000005d0 61 6c 6c 6f 77 69 6e 67 20 63 61 70 74 75 72 65 |allowing capture| 000005e0 20 6f 66 20 75 70 20 74 6f 20 31 30 30 0d 72 6f | of up to 100.ro| 000005f0 6c 6c 69 6e 67 20 73 75 62 2d 70 61 67 65 73 2e |lling sub-pages.| 00000600 20 49 66 20 61 20 72 65 63 65 69 76 65 64 20 73 | If a received s| 00000610 75 62 2d 70 61 67 65 20 69 73 20 6e 75 6d 62 65 |ub-page is numbe| 00000620 72 65 64 20 67 72 65 61 74 65 72 20 74 68 61 6e |red greater than| 00000630 20 31 30 30 2c 20 61 6e 0d 65 72 72 6f 72 20 69 | 100, an.error i| 00000640 73 20 67 65 6e 65 72 61 74 65 64 2c 20 74 68 65 |s generated, the| 00000650 20 70 72 6f 67 72 61 6d 20 74 65 72 6d 69 6e 61 | program termina| 00000660 74 65 73 2c 20 61 6e 64 20 74 68 65 20 70 61 67 |tes, and the pag| 00000670 65 20 69 73 20 6e 6f 74 20 73 61 76 65 64 2e 20 |e is not saved. | 00000680 54 6f 0d 63 61 70 74 75 72 65 20 73 75 63 68 20 |To.capture such | 00000690 66 72 61 6d 65 73 2c 20 75 73 65 20 74 68 65 20 |frames, use the | 000006a0 22 73 61 76 65 20 70 61 67 65 22 20 66 61 63 69 |"save page" faci| 000006b0 6c 69 74 79 20 66 72 6f 6d 20 41 54 53 2e 0d 0d |lity from ATS...| 000006c0 54 68 65 20 73 79 73 74 65 6d 20 75 73 65 73 20 |The system uses | 000006d0 2a 53 41 56 45 20 74 6f 20 63 72 65 61 74 65 20 |*SAVE to create | 000006e0 61 20 62 6c 61 6e 6b 20 66 69 6c 65 20 69 6e 74 |a blank file int| 000006f0 6f 20 77 68 69 63 68 20 69 74 20 63 61 6e 20 70 |o which it can p| 00000700 75 74 20 74 68 65 0d 70 61 67 65 73 20 61 73 20 |ut the.pages as | 00000710 74 68 65 79 20 61 72 65 20 66 6f 75 6e 64 2e 20 |they are found. | 00000720 54 68 69 73 20 69 73 20 76 65 72 79 20 6d 75 63 |This is very muc| 00000730 68 20 66 61 73 74 65 72 20 74 68 61 6e 20 75 73 |h faster than us| 00000740 69 6e 67 20 42 50 55 54 2c 20 62 75 74 0d 74 68 |ing BPUT, but.th| 00000750 65 72 65 20 69 73 20 6c 69 74 74 6c 65 20 63 6f |ere is little co| 00000760 6e 74 72 6f 6c 20 6f 76 65 72 20 74 68 65 20 6f |ntrol over the o| 00000770 72 69 67 69 6e 61 6c 20 63 6f 6e 74 65 6e 74 73 |riginal contents| 00000780 20 6f 66 20 74 68 65 20 66 69 6c 65 2e 20 54 68 | of the file. Th| 00000790 65 72 65 66 6f 72 65 2c 0d 69 66 20 74 68 65 20 |erefore,.if the | 000007a0 70 72 6f 67 72 61 6d 20 69 73 20 69 6e 74 65 72 |program is inter| 000007b0 72 75 70 74 65 64 2c 20 74 68 65 20 66 69 6c 65 |rupted, the file| 000007c0 20 6d 61 79 20 63 6f 6e 74 61 69 6e 20 75 6e 77 | may contain unw| 000007d0 61 6e 74 65 64 20 63 68 61 72 61 63 74 65 72 73 |anted characters| 000007e0 2e 0d 46 6f 72 20 74 68 69 73 20 72 65 61 73 6f |..For this reaso| 000007f0 6e 2c 20 74 68 65 20 65 72 72 6f 72 20 74 72 61 |n, the error tra| 00000800 70 20 69 6e 76 6f 6b 65 73 20 61 20 72 6f 75 74 |p invokes a rout| 00000810 69 6e 65 20 74 6f 20 74 69 64 79 20 75 70 20 74 |ine to tidy up t| 00000820 68 65 20 66 69 6c 65 73 20 73 6f 0d 6e 6f 20 75 |he files so.no u| 00000830 6e 77 61 6e 74 65 64 20 63 68 61 72 61 63 74 65 |nwanted characte| 00000840 72 73 20 61 70 70 65 61 72 2e 0d 0d 41 73 20 65 |rs appear...As e| 00000850 61 63 68 20 70 61 67 65 20 69 73 20 63 61 70 74 |ach page is capt| 00000860 75 72 65 64 20 61 6e 64 20 73 74 6f 72 65 64 2c |ured and stored,| 00000870 20 74 68 65 20 73 75 62 2d 70 61 67 65 20 72 65 | the sub-page re| 00000880 66 65 72 65 6e 63 65 20 66 6f 75 6e 64 20 69 73 |ference found is| 00000890 0d 70 72 69 6e 74 65 64 20 6f 6e 20 73 63 72 65 |.printed on scre| 000008a0 65 6e 2e 20 74 68 69 73 20 73 63 72 65 65 6e 20 |en. this screen | 000008b0 64 69 73 70 6c 61 79 20 63 6f 6e 73 74 61 6e 74 |display constant| 000008c0 6c 79 20 72 65 66 6c 65 63 74 73 20 74 68 65 20 |ly reflects the | 000008d0 63 6f 6e 74 65 6e 74 73 20 6f 66 0d 74 68 65 20 |contents of.the | 000008e0 56 69 64 69 45 64 20 66 69 6c 65 73 20 6f 6e 20 |VidiEd files on | 000008f0 74 68 65 20 64 69 73 63 2e 0d 0d 0d 0d 0d 0d 0d |the disc........| 00000900 0d 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |. | 00000910 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | 00000920 20 2d 20 70 61 67 65 20 31 20 2d 0d 0d 0d 0d 0d | - page 1 -.....| 00000930 0d 0d 0d 0d 43 65 65 2d 56 69 64 20 20 20 20 20 |....Cee-Vid | 00000940 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | * 00000970 20 20 20 49 6e 66 6f 72 6d 61 74 69 6f 6e 0d 0d | Information..| 00000980 0d 0d 0d 54 68 65 20 70 72 6f 67 72 61 6d 20 68 |...The program h| 00000990 61 73 20 6e 6f 20 77 61 79 20 6f 66 20 6b 6e 6f |as no way of kno| 000009a0 77 69 6e 67 20 68 6f 77 20 6d 61 6e 79 20 73 75 |wing how many su| 000009b0 62 2d 70 61 67 65 73 20 65 78 69 73 74 20 69 6e |b-pages exist in| 000009c0 20 61 20 70 61 72 74 69 63 75 6c 61 72 0d 72 6f | a particular.ro| 000009d0 6c 6c 69 6e 67 20 73 65 71 75 65 6e 63 65 2e 20 |lling sequence. | 000009e0 49 74 20 74 68 65 72 65 66 6f 72 65 20 73 63 61 |It therefore sca| 000009f0 6e 73 20 74 68 65 20 6f 75 74 70 75 74 20 66 6f |ns the output fo| 00000a00 72 20 73 6f 6d 65 20 74 69 6d 65 20 75 6e 74 69 |r some time unti| 00000a10 6c 20 69 74 0d 64 65 63 69 64 65 73 20 69 74 20 |l it.decides it | 00000a20 68 61 73 20 63 61 70 74 75 72 65 64 20 61 6c 6c |has captured all| 00000a30 20 74 68 65 20 65 78 69 73 74 69 6e 67 20 73 75 | the existing su| 00000a40 62 2d 70 61 67 65 73 2e 20 49 66 20 79 6f 75 20 |b-pages. If you | 00000a50 63 6f 6d 65 20 74 6f 20 74 68 69 73 0d 64 65 63 |come to this.dec| 00000a60 69 73 69 6f 6e 20 66 69 72 73 74 2c 20 79 6f 75 |ision first, you| 00000a70 20 63 61 6e 20 62 72 65 61 6b 20 6f 75 74 20 6f | can break out o| 00000a80 66 20 74 68 65 20 70 72 6f 67 72 61 6d 20 61 6e |f the program an| 00000a90 64 20 74 69 64 79 20 74 68 65 20 66 69 6c 65 73 |d tidy the files| 00000aa0 20 62 79 0d 70 72 65 73 73 69 6e 67 20 45 53 43 | by.pressing ESC| 00000ab0 41 50 45 2e 0d 0d 52 6f 77 20 7a 65 72 6f 20 6f |APE...Row zero o| 00000ac0 66 20 65 61 63 68 20 70 61 67 65 20 28 74 68 65 |f each page (the| 00000ad0 20 74 6f 70 20 72 6f 77 29 20 77 69 6c 6c 20 73 | top row) will s| 00000ae0 68 6f 77 20 74 68 65 20 70 61 67 65 20 6e 75 6d |how the page num| 00000af0 62 65 72 2c 20 73 75 62 2d 70 61 67 65 0d 6e 75 |ber, sub-page.nu| 00000b00 6d 62 65 72 2c 20 64 61 74 65 20 61 6e 64 20 74 |mber, date and t| 00000b10 69 6d 65 20 6f 66 20 63 61 70 74 75 72 65 2e 20 |ime of capture. | 00000b20 54 68 65 20 64 61 74 65 20 61 6e 64 20 74 69 6d |The date and tim| 00000b30 65 20 61 72 65 20 74 61 6b 65 6e 20 66 72 6f 6d |e are taken from| 00000b40 20 74 68 65 0d 74 72 61 6e 73 6d 69 74 74 65 64 | the.transmitted| 00000b50 20 54 53 44 50 2e 20 49 66 20 74 68 65 20 54 53 | TSDP. If the TS| 00000b60 44 50 20 69 73 20 6e 6f 74 20 74 72 61 6e 73 6d |DP is not transm| 00000b70 69 74 74 65 64 2c 20 74 68 65 73 65 20 64 65 74 |itted, these det| 00000b80 61 69 6c 73 20 63 61 6e 6e 6f 74 20 62 65 0d 66 |ails cannot be.f| 00000b90 6f 75 6e 64 2c 20 61 6e 64 20 61 20 22 6e 6f 20 |ound, and a "no | 00000ba0 64 61 74 65 22 20 6d 65 73 73 61 67 65 20 69 73 |date" message is| 00000bb0 20 67 69 76 65 6e 20 69 6e 73 74 65 61 64 2e 0d | given instead..| 00000bc0 0d 54 72 61 6e 73 6d 69 74 74 65 64 20 70 61 67 |.Transmitted pag| 00000bd0 65 73 20 6d 61 79 20 63 6f 6e 74 61 69 6e 20 70 |es may contain p| 00000be0 61 63 6b 65 74 73 20 32 34 20 61 6e 64 2f 6f 72 |ackets 24 and/or| 00000bf0 20 32 35 2e 20 54 68 65 73 65 20 72 6f 77 73 20 | 25. These rows | 00000c00 63 61 6e 6e 6f 74 20 62 65 0d 64 69 73 70 6c 61 |cannot be.displa| 00000c10 79 65 64 20 62 79 20 6d 6f 73 74 20 74 65 6c 65 |yed by most tele| 00000c20 74 65 78 74 20 72 65 63 65 69 76 65 72 73 2c 20 |text receivers, | 00000c30 61 6e 64 20 61 72 65 20 6e 6f 74 20 69 6e 63 6c |and are not incl| 00000c40 75 64 65 64 20 69 6e 20 61 20 73 74 61 6e 64 61 |uded in a standa| 00000c50 72 64 0d 56 69 64 69 45 64 20 70 61 67 65 2e 20 |rd.VidiEd page. | 00000c60 49 66 20 74 68 65 79 20 61 72 65 20 74 72 61 6e |If they are tran| 00000c70 73 6d 69 74 74 65 64 20 77 69 74 68 20 74 68 65 |smitted with the| 00000c80 20 72 65 63 65 69 76 65 64 20 73 75 62 2d 70 61 | received sub-pa| 00000c90 67 65 2c 20 72 65 66 72 65 6e 63 65 0d 74 6f 20 |ge, refrence.to | 00000ca0 74 68 69 73 20 65 66 66 65 63 74 20 77 69 6c 6c |this effect will| 00000cb0 20 62 65 20 6d 61 64 65 20 69 6e 20 72 6f 77 20 | be made in row | 00000cc0 7a 65 72 6f 20 6f 66 20 74 68 65 20 73 61 76 65 |zero of the save| 00000cd0 64 20 70 61 67 65 2c 20 62 75 74 20 74 68 65 0d |d page, but the.| 00000ce0 63 6f 6e 74 65 6e 74 73 20 6f 66 20 70 61 63 6b |contents of pack| 00000cf0 65 74 73 20 32 34 20 61 6e 64 20 32 35 20 77 69 |ets 24 and 25 wi| 00000d00 6c 6c 20 6e 6f 74 20 62 65 20 73 74 6f 72 65 64 |ll not be stored| 00000d10 2e 0d 0d 45 61 63 68 20 70 61 67 65 20 69 73 20 |...Each page is | 00000d20 63 68 65 63 6b 65 64 20 66 6f 72 20 61 63 63 75 |checked for accu| 00000d30 72 61 63 79 20 75 73 69 6e 67 20 74 68 65 20 74 |racy using the t| 00000d40 72 61 6e 73 6d 69 74 74 65 64 20 43 52 43 2e 20 |ransmitted CRC. | 00000d50 54 68 65 20 72 65 73 75 6c 74 20 6f 66 0d 74 68 |The result of.th| 00000d60 69 73 20 63 68 65 63 6b 20 69 73 20 67 69 76 65 |is check is give| 00000d70 6e 20 6f 6e 20 72 6f 77 20 7a 65 72 6f 2e 20 54 |n on row zero. 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