Author Archives: dommas

Meet us at Make Munich, 2.3. – 3.3.2019

Check out our homebrew 65c02 8bit goodness including our brand new video/sound-hardware at the Make Munich fair. We’ll also have BASIC, Forth, a couple of games and candy. Our booth is in Hall 1, Booth Nr. 49, in the “Electronic … Continue reading

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Fixing the white screen problem on a Tekway DST1062B oscilloscope

The Tekway DST 1062B (also known unter the Hantek or Voltcraft brand) is an inexpensive 60MHz digital storage oscilloscope, which is very much hackable and has proven to be worth its weight in gold pressed latinum. More recently, my scope … Continue reading

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V9958+OPL2-Boards are there

The newly made boards made their way from China to Munich. Starting now, the multi board version of the Steckschwein is made up of 3 Boards: CPU/Memory, IO/UART and V9958-OPL2.

Posted in dram, kicad, layout, platinen, RGB, sound, V9958, vdp, video, video chip, ym3812

New V9958-Board with integrated OPL2

It’s time for another hardware upgrade. Since we really want to get our single board Steckschwein done, we are going for higher integration of our multiboard prototype. After integrating the UART to the IO-Board, we integrate the OPL2 sound part … Continue reading

Posted in kicad, layout, opl2, platinen, RGB, SCART, sound, V9958, video, video chip, video signal, ym3812

Save the date: VCFb – 13.10.-14.10.

We are very excited that we will be exhibiting the Steckschwein at the Vintage Computing Festival Berlin . Also, we will be holding a talk about everything Steckschwein on Saturday, the 13.10. at 10:30. The Vintage Computing Festival Berlin will … Continue reading

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WOZMON – a memory monitor in 256 bytes

The woz monitor, also known as WOZMON, is a pretty simple memory monitor and was the system software located in the 256 byte PROM on the Apple I. Wozmon is used to inspect and modify memory contents or to execute … Continue reading

Posted in debugging, experiment, hexdump, software

VCFe diesmal ohne Steckschwein

Zum ersten Mal in der Geschichte des Steckschweins sind wir dieses Jahr nicht als Aussteller auf dem VCFe dabei. Das Kommen lohnt sich aber trotzdem – diesmal findet das VCFe nämlich im Leibniz-Rechenzentrum der Bayerischen Akademie der Wissenschaften in Garching … Continue reading

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