ti84-forth
jonesforth_riscv
| ti84-forth | jonesforth_riscv | |
|---|---|---|
| 3 | 3 | |
| 83 | 52 | |
| - | - | |
| 0.0 | 1.8 | |
| almost 3 years ago | over 3 years ago | |
| Assembly | Assembly | |
| GNU General Public License v3.0 only | - |
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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
jonesforth_riscv
- Jonesforth ported to RISC-V
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Jonesforth Port to RISC-V
Uncompressed RISC-V instructions are 4 bytes. Compressed instructions are 2 bytes. Without some completely unanticipated extension that goes against the current design, there will be no way to make a 3-byte instruction sequence for RISC-V.
[0]https://github.com/jjyr/jonesforth_riscv/blob/master/jonesfo...
What are some alternatives?
SymPy - A computer algebra system written in pure Python
jonesforth - Mirror of JONESFORTH
Ndless - The TI-Nspire calculator extension for native applications
lbForth - Self-hosting metacompiled Forth, bootstrapping from a few lines of C; targets Linux, Windows, ARM, RISC-V, 68000, PDP-11, asm.js.
TI84-Wordle - Wordle for the TI84 Plus CE graphing calculator.
derzforth - Bare-metal Forth implementation for RISC-V
KnightOS - OS for z80 calculators
riscv-hello-asm - Bare metal RISC-V assembly hello world
v200 - A TI Voyage-200 emulator
kestrel - The Kestrel is a family of home-made computers, built as much as possible on open-source technology, and supporting as much as possible the open-source philosophy.
zForth - zForth: tiny, embeddable, flexible, compact Forth scripting language for embedded systems
stm8ef - STM8 eForth - a user friendly Forth for simple µCs with docs