philpem's homepage
Latest changes
| Date | Changes |
|---|---|
| 2023-09-06 | Added NABU PC page, including details of the internal expansion card interface. |
| 2023-03-16 | Added GI/Jerrold video scrambling. Includes details on how the GI/Jerrold RF and Baseband CATV scrambling schemes work, and the data formats in use. |
| 2023-01-06 | Added Ghidra cheat sheet |
| 2023-01-05 | Added ST-Link/V2 (or clone) to Black Magic conversion (mostly for my own reference!). |
| More updates to the Analog Cable emulation section, notably descriptions of the Jerrold FSK commands, and various information about their set-top boxes and headend equipment. | |
| 2023-01-02 | Added Analog Cable emulation to the HackTV section, started documenting my efforts in building my own analog cable TV headend. |
| 2022-12-18 | Updated Packard 386 SBC board page, added pinouts for front-panel connector. Jumper settings still a work in progress. |
| 2022-09-13 | Updated Teletext broadcast equipment page, added Softel Databridge configuration software |
| 2022-07-05 | Updated Datatrak Locator Mk.II hardware page, adding details of the watchdog timer and LEDs |
| 2022-05-17 | Added Datatrak Locator Mk.II hardware page, including details of hardware, interrupts, I/O devices, etc. |
| Added a little bit about the Datatrak ROM cartridge emulator. | |
| 2022-04-29 | Some Datatrak reverse-engineering updates: added recordings of the Datatrak signal, links to media coverage from the time, and cleaned up the TOC |
| 2022-01-20 | Added a quick pizza sauce recipe |
| 2021-10-18 | Added MQP Pin-Master 48 device programmer and Virtex6 XC6VLX365T PCI-Express dev board pages |
| 2021-09-29 | Added Micro-Professor MPF-1 Plus page |
| 2021-07-17 | Added a page on mixology and cocktail making with some recipes and hints |
| 2021-07-06 | Added the contents of the Proceedings of the ACSA'90 conference to the HackTV section. This contains papers on a variety of 1980s TV conditional access systems |
| 2021-06-26 | Added Philips DMAC firmware versions R209 and R213 to the BSB receivers page (thanks to fsphil for these) |
| Added a page on the Broadcast Projects Teletext monitor | |
| 2021-06-15 | Added 3D printable wall bracket to the studio clock page |
| Added details on the Teletext broadcast equipment I bought in the recent S4C auction. | |
| 2021-06-11 | Added a section on VideoCrypt, including decoder generations and the chipsets used. |
| Added a page about my studio clock and how I modified it to get the time over NTP | |
| Added LIRC config file for Tatung TRX BSB receiver to the BSB receivers page | |
| 2021-06-10 | Added a page on the BTL UT5010 PAL TV receiver |
(Slightly incomplete) Site map
- 3D Printing – my 3D printers, and some 3D-printable items I've designed
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- Polaroid Digital Palette film recorder – drivers and efforts to use it on newer platforms.
- IBM LPFK (Lighted Program Function Keyboard)
- Brother P-Touch driver – C library to send bitmap data to the PT-2450DX and similar Brother plastic label printers.
- Datatrak radio location system and Mk2 Navigation receiver reverse-engineering
- Aircraft avionics instruments reverse-engineering
- Ferranti FEI30/FE130 radar warning indicator display
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- Atari Digital Vector Generator – how it works and how to program it (aka The Hitch-Hacker's Guide to the Atari DVG)
- CRT clock using a DG7/32 – temporarily paused
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- SQ6POG MMDVM board notes – and how to resolve design issues on the Chinese variant
- Setting up MMDVM on a Pi – useful if you want to use the SQ6POG MMDVM board for non-DMR protocols (e.g. MPT1327)
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- Retrocomputing
- Miscellaneous
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Archived websites
I also host a website archive:
- The late Lee Davison's website – as of some time in the early 2000s. Lee sadly passed away in September 2013.
- A later (2011) but incomplete archive exists on the Wayback Machine.