2026-01-09 01:12:42 <KipIngram   > I made it impossible not to use them - I didn't include the usual structures.  They're all I've got.  But, I do have all of them.  Big ol' matrix of primitives; I wrote a Python script to generate the assembly source for them.
2026-01-09 01:13:12 <KipIngram   > The naming convention follows a strict pattern, so I have no trouble remembering all of them.
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2026-01-09 02:42:29 <tpbsd       > my new blog article for the EE's here:  https://mecrisp-stellaris-folkdoc.sourceforge.io/ttl-7400-series.html
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2026-01-09 15:59:30 <cleobuline  > forthBot:  : v  ." Happy new year " CR ;
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2026-01-09 16:09:06 <veltas      > tpbsd: Good article on 7400 series TTL
2026-01-09 16:09:47 <veltas      > Not heard of specific TTLs or retro enthusiasm but yes sounds like they're best consigned to the history books
2026-01-09 16:21:57 <tpbsd       > veltas,  I'm glad you liked it, it was a painful era< was so relieved when 4000 CMOS came out.
2026-01-09 16:27:04 <tpbsd       > veltas, a lot of ancient history should stay there, like using light bulbs to illuminate the head positing tapered slots in the first 8" floppy drives. I was recalibrating those things every few months it seemed.
2026-01-09 16:41:58 <veltas      > I would like to play around with some TTL on a breadboard, but I'll be sure to look for 4000 series stuff?
2026-01-09 16:42:06 <veltas      > Not sure what I'd even do with it though
2026-01-09 16:43:12 <veltas      > crc: Any updates on your hardware project?
2026-01-09 16:43:56 <veltas      > What's interesting about software is how it's so easy to add unnecessary bloat and complexity, but look at most engineering and the opposite is true
2026-01-09 16:44:36 <veltas      > For instance silicon fabbing is pretty darn complicated, but there's also benefit to doing it in a complicated way.  There's never been an easy DIY fabbing process
2026-01-09 16:44:45 <tpbsd       > I still reemember when I discovered 7400 series TTL  around 1976, I purchased a handful of the shiny new 14 pin DIP chips at work and then played with them at home on a breadboard
2026-01-09 16:44:55 <veltas      > Yet you can't really get away without microchips, not without crazy tradeoffs
2026-01-09 16:45:36 <crc         > veltas: I've migrated to using an rp2350 based board, and am working on getting it working correctly with an LCD & usb keyboard.
2026-01-09 16:50:00 <veltas      > Nice
2026-01-09 16:52:49 <tpbsd       > veltas, frankly a decent logic chip simulator on a PC is far easier and faster than a breadboard and wires imho, and way cheaper. May I suggest the Qucs Universal Circuit Simulator V25.2.0 on Linux or FreeBSD ?
2026-01-09 17:46:16 <MrMobius    > veltas: look for the 74HC parts not 74LS or 74AC or anything else
2026-01-09 17:46:49 <MrMobius    > I have tortured tp talking about TTL things for years which may have contributed to the distaste in the article
2026-01-09 17:59:34 <forthBot    > Environment for cleobuline inactive, freeing...
2026-01-09 18:28:42 <tpbsd       > MrMobius, I assure you my dislike of 7400 series TTL chips was engendered before 1980 based on my experiences blogged recently
2026-01-09 18:29:58 <tpbsd       > and yes, 74HC parts were perfect, no problem
2026-01-09 18:30:57 <tpbsd       > just the switch from TTL to CMOS fixed all the issues I encountered with the original 7400 series