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It has it own case now
07/23/2022 at 18:23 • 0 commentsComputer finally got it own metal case. I also used that opportunity to upgrade power supply. Now POLON is powered directly from 230V mains power.
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It supports TV now!
05/20/2021 at 12:44 • 0 commentsSome time ago I was able to make some further developments.
At this point computer is able to supporty standard PS/2 keyboard and print text on TV screen. Due to lack of time I wasn't able to make any further developments in recent months, but soon I will try to write some assembly code, implementing simple terminal screen.
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Significant update
11/11/2019 at 11:03 • 0 commentsProject grows. Recently I added second board, containing some chips:
- M6242B real time clock
- 8242 AT keyboard controller
- 8259 interrupt controller
- TMS9929 video chip with SRAM memory
There is also a connector for CF card module.
After testing added components under TinyBasic my plan is to port and run CP/M on this small computer.