ti84-forth
jombloforth
| ti84-forth | jombloforth | |
|---|---|---|
| 3 | 1 | |
| 83 | 16 | |
| - | - | |
| 0.0 | 10.0 | |
| almost 3 years ago | about 5 years ago | |
| Assembly | Assembly | |
| GNU General Public License v3.0 only | The Unlicense |
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ti84-forth
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The Zen of Forth
Forth also requires very minimal resources to implement which can be fun in constrained environments. Here it is on a TI-84+ calculator[0] or even a computer in The Powder Toy.[1]
The runtime design is a little quirky but straightforward and you can extend the system as you execute (or even change interpreter semantics), or add optimizations such as some form of JIT quite easily.
[0] https://github.com/siraben/ti84-forth
[1] https://github.com/siraben/r216-forth
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Jonesforth – A sometimes minimal FORTH compiler and tutorial (2007)
Some time ago I wrote an implementation of Forth that runs on the TI-84+ and TI-83+ calculators directly inspired by Jonesforth.[0] It runs under TI-OS as well, but the amount of available space is somewhat limited. On another implementation I wrote[1] you have full access to the calculator hardware and memory from Forth.
[0] https://github.com/siraben/ti84-forth
[1] https://github.com/siraben/zkeme80
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TI-84 Plus CE Python Graphing Calculator
On the TI-84+, assembly programs still work and it's still a test-approved device. I wrote a Forth interpreter[0] that can interop with the syscalls as well
[0] https://github.com/siraben/ti84-forth
jombloforth
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Jonesforth – A sometimes minimal FORTH compiler and tutorial (2007)
Here's one of the many forks that brings it up to 64-bit:
https://github.com/matematikaadit/jombloforth
If you like forth there's an awesome series of comments here on hacker news on building a simple variant in a few simple steps:
https://news.ycombinator.com/item?id=13082825
I took that, and built a simple forth-like system, in golang following the original recipe and breaking it down into simple steps for learning-purposes:
https://github.com/skx/foth
What are some alternatives?
SymPy - A computer algebra system written in pure Python
zForth - zForth: tiny, embeddable, flexible, compact Forth scripting language for embedded systems
Ndless - The TI-Nspire calculator extension for native applications
foth - Tutorial-style FORTH implementation written in golang
jonesforth_riscv - Jonesforth RISC-V port.
TI84-Wordle - Wordle for the TI84 Plus CE graphing calculator.
KnightOS - OS for z80 calculators
v200 - A TI Voyage-200 emulator
RomWBW - System Software for Z80/Z180/Z280 Computers
z80-playground-cpm-fat - CP/M for the Z80 Playground that runs on the FAT disk format
forthy2 - a Forth (for you) too