Forth500
ti84-forth
Forth500 | ti84-forth | |
---|---|---|
2 | 3 | |
24 | 83 | |
- | - | |
3.0 | 0.0 | |
10 months ago | about 3 years ago | |
Assembly | Assembly | |
BSD 3-clause "New" or "Revised" License | GNU General Public License v3.0 only |
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Forth500
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
What are some alternatives?
stm8ef - STM8 eForth - a user friendly Forth for simple µCs with docs
SymPy - A computer algebra system written in pure Python
Ndless - The TI-Nspire calculator extension for native applications
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
zForth - zForth: tiny, embeddable, flexible, compact Forth scripting language for embedded systems
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
zkeme80 - An assembler and operating system for the TI-84+ written in Scheme, Forth and Z80 assembly.