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Forum: General Discussions Topic: An obscure, but advanced 16-bit computer from Poland c 1973 |
| monsonite |
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Posted: Fri Sep 29, 2017 7:21 pm
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Replies: 9
Views: 10248
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| Hi All, According to this article the K-202 used Western sourced components but was built in then Communist , Poland. This upset the political masters, and Jacek Karpiński was essentially outcast. In a single stroke of communist idealistic stupidity, Poland went from being at the cutting edge of com... |
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Forum: General Discussions Topic: An obscure, but advanced 16-bit computer from Poland c 1973 |
| monsonite |
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Posted: Wed Sep 27, 2017 8:57 pm
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Replies: 9
Views: 10248
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| Not often you get to hear about obscure technology from the Soviet Block. The K-202 was an advanced 1uS cycle time 16-bit cpu developed in Poland then marketed in the UK in the very early 1970's An English language brochure is here http://www.zenker.poznan.pl/k-202/dokumentacja/k-202-reklama-ang.pdf... |
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Forum: General Discussions Topic: Introduce yourself |
| monsonite |
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Posted: Wed Aug 30, 2017 9:31 am
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Replies: 58
Views: 167729
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| Mark, Welcome to the forum. I saw your simulation of the Blue CPU linked from here - not one that I was previously aware of. The OPC series of experimental cpus are certainly very interesting, in particular OPC6 - which runs at about 40MHz - and a good candidate for the BlackIce board. In the light ... |
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Forum: General Discussions Topic: STM32F7, An ARM Cortex-M7 |
| monsonite |
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Posted: Fri Aug 25, 2017 4:50 pm
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Replies: 8
Views: 13302
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| Hi All, When the STM32F746 firt came out in July 2015 - I was inspired to create a simple breakout board - and so BoB came to be. Now the '746 is available as a 400MHz part - so all the more reason to get into some serious bare metal programming http://suburbia86.rssing.com/browser.php?indx=12702085... |
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Forum: General Discussions Topic: One Page Computing - roll your own challenge |
| monsonite |
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Posted: Fri Aug 25, 2017 2:25 pm
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Replies: 107
Views: 96737
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| Hi Ed, It's barely 2 weeks since you left a comment on my blog - and now we have OPC6 running on our open source Lattice ICE40 based dev-board! It's amazing (to me) to see a fully working monitor programme and the means to calculate Pi - from something 2 weeks ago I barely had running an 8-bit count... |
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Forum: CPU/MCU choices and designs Topic: Some Minimal Instruction Set CPUs |
| monsonite |
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Posted: Mon Aug 14, 2017 3:39 pm
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Replies: 37
Views: 43099
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| Hi Ed, When my friend Alan Wood and I specified the BlackIce design, I was influenced by James's J1 - and word addressing appeared the obvious choice. The word-wide 10nS SRAM was only a couple of dollars, so it seemed sensible to include it on the back of the pcb - very closely coupled to the FPGA. ... |
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Forum: CPU/MCU choices and designs Topic: Some Minimal Instruction Set CPUs |
| monsonite |
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Posted: Mon Aug 14, 2017 1:11 pm
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Replies: 37
Views: 43099
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| Ed, Thanks for the shout out regarding my blog - much appreciated. SIMPL is not much more than a case statement running within a loop - and was inspired by Ward Cunningham's Txtzyme https://github.com/WardCunningham/Txtzyme It decodes single ascii characters within the case statement , and this allo... |
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