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CP/M system with PS/2 keyboard, TV Out powered by Arduino Nano

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FoxyLab:

--- Quote from: wilfred on October 29, 2019, 07:27:15 am ---Nice work.
Is there a link to the Arduino code somewhere? I tried looking and couldn't seem to find it.

--- End quote ---
Project is in active phase now, frequently updates. Later i will upload HEX and ELF files.

T3sl4co1l:
Oh, yuck!  Get an SPI or parallel FRAM, stat! :D

Tim

wilfred:

--- Quote from: FoxyLab on October 29, 2019, 09:28:42 am ---
--- Quote from: wilfred on October 29, 2019, 07:27:15 am ---Nice work.
Is there a link to the Arduino code somewhere? I tried looking and couldn't seem to find it.

--- End quote ---
Project is in active phase now, frequently updates. Later i will upload HEX and ELF files.

--- End quote ---
If you aren't sharing the source code you will eliminate people who want to use different hardware or make their own changes. One example is the external RAM and using a Z80 emulation.

But it is up to you.

FoxyLab:

--- Quote from: T3sl4co1l on October 29, 2019, 06:21:52 pm ---Oh, yuck!  Get an SPI or parallel FRAM, stat! :D

Tim

--- End quote ---
I have 23K256 SPI RAM, but i want to try use this chip as VideoRAM in sequential mode.

FoxyLab:
PS/2-UART converter circuit for connecting a PS/2 keyboard:

Additional options -
page mode (scroll lock) - controlled by the Scroll Lock key with LED indication;
russian letters input in KOI-8R encoding - switching the language with the Alt-Shift keys combination with an LED indication;
hardware reboot with Ctrl-Alt-Del keys combination

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