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A while back I bought a couple of #pc104 power supplies, one is just pc104+ and one is pci104.
So I figured what the heck and went for the flashy one first and yup it lights up, connecting it to my pc104 computer it does indeed boot. But I did need to remove the previous battery clip and put in a lower profile one.
The flashy one is rated for 188W which is insanity in this form factor. But it will be handy when I start adding cards and transputers to the stack.
#retrocomputing -
I designed a PC104+ breakout board.
I'll be using this for various experiments and tests, almost certain around transputers.
#PC104 #Transputer #RetroComputing -
Oh, here is a better picture of my pc104+ computer. Kinda cute eh?
Depending on how well my pc104gus card works I may do more cards. I have ideas.
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Just under 2 hours more soldering I have the tens digit that’s working.
On this basis I have about 7 or 8 hours of soldering to complete it. -
After just over 2 hours more soldering I have the seconds units working on my mega transistor clock kit.
I also built the reset circuit as sometimes it wouldn’t count up.
Based on this I have about another 10 hours of soldering to complete it. I’ll do more another day.
#Retro #MegaTransistorClock
#GeekChic -
I have a thing for odd clocks, particularly electronic ones. So my partner bought me a “mega transistor clock” for Xmas and I’ve been building it over the last week. I’ve got to the point where I can see the LEDs flashing once a second.
There are NO ICs on this board, it’s bonkers and huge, but so cool. -
Well, I've taken the plunge and created a repository on github.
My first project to go in is the DCJ11 Hack plus project - https://github.com/TechPaula/DCJ11Hack-
#RetroComputing #GeekChic -
Cracked it!
I can now run code, read/write to RAM, read from ROM and write to the display!!
Here is “Hello World!” Running as a very simple program.
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Yay it lives!!!!!!
My DEC DCJ11 and the memory/display module works. I will see writing in octal is a bit of a mind f*** having spent my life with hex.
#GeekChic #retrocomputing -
I need some help please Mastodon, I'm having trouble getting text (or anything) to appear on my #RA8875 display when using 6800 8 bit parallel bus.
datasheet is here - https://www.buydisplay.com/download/manual/ER-TFT043A4-3-4267_Datasheet.pdfall I get is a blank screen and I've tried multiple initialisation and text send methods.
My EhBASIC code is here - https://github.com/TechPaula/PC6502/blob/main/Software/BASIC/VIA_DISP_TEST.BAS
I'll paste the console output of this code on the thread here.
1/?