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camelforth-rp2040-aU UNSTABLE 0.1.4-pre-alpha Tue Feb 16 15:34:07 UTC 2021

CamelForth in C, by Dr. Brad Rodriguez

UNSTABLE version

new feature: no-error getKey()

 improved: rp2040_pico_getkey_usb.inc

Reasonably well debugged - functional Forth interpreter.

There was one bug where it crashes unexpectedly, after a decently long runtime. 'getchar()' in the upstream pico-sdk now has a bug report filed.

Port: rp2040, Raspberry Pi Pico target board, February, 2021.

older entries in this README.md, follows (from prior to 17 Feb Wed 16:29 UTC).

PARENT was camelforth-rp2040-a 0.1.1-pre-alpha Tue Feb 9 05:28:31 UTC 2021

commit 6cd03e97f38784f3f7fe8baf68416657af9469a7

CamelForth in C by Brad Rodriguez

About

CamelForth

A Forth in C by Dr Brad Rodriguez

Forth interpreter for the RP2040 and Raspberry Pi Pico.

UNSTABLE version. Look for changes and improvements here.

New feature: the blink word. Use once per blink.

Requires pico-sdk and is modeled on pico-examples.

The /dev/ttyACM0 is the primary interface (USB).

(Reference host PC is Linux Debian amd64)

Using CP2104 USB-to-USART bridge, the secondary interface (in Linux host PC) is /dev/ttyUSB0, but that is arbitrary (you can bridge using other methods and chips).

Connected to UART0 on the pico.

Topics

camelforth

rp2040

raspberry-pi-pico

rpi-pico-pio

forth

c

old branches:

BUILD ENVIRONMENT - bare bones text interpreter

no Forth functionality at all - not even base code.

Just keyboard echo loop.

END.