Prevue Videos
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| Date | Time | System | Length | Site | User | Upload date | Video ID | URL | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 4 Feb 1983 | 23:15 | EPG (Apple II based) | 04m13 | YouTube | MicroJow | 17 Sep 2014 | https://www.youtube.com/watch?v=vRM-tRFhZ4w | ||
| C | Channel | Contains the channel lineup | Divided by the receiving machine into a list of channel numbers, call letters, and sources. | Yes | Yes | ||||
| c | New format of channel? | No | Yes | ||||||
| D | ? | ? | ? | No | Yes | ||||
| E | ? | ? | Atari L9118 (3 bytes - some kind of configuration bytes relating to CURDAY and NXTDAY?) - on Amiga, reads in a bunch of bytes... possibly related to select code? | Yes | Yes | ||||
| F | Configuration | Gives the receiving machine information about its location, local time, settings, ads, and more. | Same syntax on both Atari and Amiga, just a lot of unused values on Atari. | Yes | Yes | ||||
| f | Config.dat | Provides some settings, like GridMR, Sport, SBS, ClockCmd, and more that are written to config.dat. | Length specified in first byte of command. | No | Yes | ||||
| g | ? | Defines future DST information | No | Yes | |||||
| H | Download | Can be used to write a file to disk, likely other Amiga maintenance tasks as well | Exact same command is also available under 'h' and '=' | No | Yes | ||||
| h | Download | Same command as 'H' | No | Yes | |||||
| I | ? | Sets weather ID? | No | Yes | |||||
| i | ? | No | Yes | ||||||
| J | Order Information | For pay-per-view channels | No | Yes | |||||
| j | Order Information | For pay-per-view channels | (likely newer format) | No | Yes | ||||
| K | Clock | Sets the time centrally | Requires ClockCmd to be 2 on Amiga | Yes | Yes | ||||
| L | Ad | Centrally provides an ad or message | Seems to crash Prevue Grid if there is already ad in a slot, maybe bad syntax | Yes | Yes | ||||
| M | ? | ? | Atari L9152 (reads 2 bytes) - on Amiga, reads 0 bytes and does NOTHING but increment the Cmds count | Yes | Yes | ||||
| N | ? | ? | Atari L92A4 | Yes | No | ||||
| O | Clear Listings | Clears program listings - but not immediately? | Reads 0 bytes - send 00 B0 after | Yes | Yes | ||||
| P | Program | Program information | Yes | Yes | |||||
| p | Program | Program information | Possibly newer format, example in NEWP test file | No | Yes | ||||
| Q | ? | Not sure, probably has something to do with PPV channels | No | Yes | |||||
| R | Reset | Reset/reboot all listening computers | Yes | Yes | |||||
| T | Title | Sets the guide title | Yes | No | |||||
| t | ? | ? | No | Yes | |||||
| V | ? | ? | Software upgrade/version check mechanism? | No | Yes | ||||
| v | ? | ? | No | Yes | |||||
| W | ? | ? | No | Yes | |||||
| w | ? | ? | No | Yes | |||||
| x | ? | ? | Has sub-commands? | No | Yes | ||||
| Z | ? | ? | Atari L9206 (12 configuration bytes read into 04E7 onwards) | Yes | No | ||||
| $03 | ? | ? | Atari L949F (hexadecimal 03) | Yes | No | ||||
| ! ($21) | ? | ? | No | Yes | |||||
| % ($25) | Save Data | Saves/backs up data to disk the next time it gets a $BB command | Analogous to one of the "Save Data" options under Special Functions, freezes guide for a few seconds while saving | No | Yes | ||||
| = ($3D) | Download | ? | Same command as 'H' | No | Yes | ||||
| $BB | Box Off | Tells all listening boxes to stop listening | No checksum - send BB 00 FF after | Yes | Yes |