jepler/runcpm-pico
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I suppose some explanation is in order

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Jeff Epler 2023-05-24 16:35:43 -05:00
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MIT License
Copyright (c) 2017 Mockba the Borg
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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This is a port of runcpm to the raspberry pi pico.
It is based on:
* [RunCPM](https://github.com/MockbaTheBorg/RunCPM/)
* [RunCPM_RPi_Pico](https://github.com/guidol70/RunCPM_RPi_Pico)
It works on a Raspberry Pi Pico (or Pico W). It uses the internal flash
for storage, and can be mounted as USB storage.
First, build for your device. You must
* Use the Philhower Pico Core
* In the Tools menu, select
* A flash size option that includes at least 512kB for filesystem
* USB Stack: Adafruit TinyUSB
After it boots the first time, you need to
* Format the flash device on your host computer
* Create the folder "<DEVICE>/A/0"
* Put something useful in that folder, such as [Zork](http://www.retroarchive.org/cpm/games/zork123_80.zip)
* Files must respect the "8.3" naming convention (8 letters filename + 3 letters extension) and be all uppercase
* Safely eject the drive, then reset the emulator.
* Now at the "A0>" prompt you can run "ZORK1".