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Hi,

For those who are interested in FORTH.

Introduction

zzzFORTH (also called ZFOS) written in 32-bit Intel-assembly and FORTH.
The best FORTH tutorial is "Starting FORTH by Leo Brodie":
https://www.forth.com/starting-forth/

https://github.com/MrBig321/zzzForth

Features

- Resolutions: 1024x768x16 or 640x480x16 (for Eee PC)
- IDE hard disk driver
- Multitasking (but only one core or CPU is used)
- USB(EHCI, XHCI) driver (can read/write files from/to pendrive formatted to FAT32)
- HDAUDIO driver (very limited, but can play a WAV-file (PCM))
- Can boot from Floppy/HD/USB-MSD
In FORTH (in ZFOS/fthsrc/):
- BLOCK
- HEXVW, HEXED
- TXTVW, TXTED
- SIN, COS, TAN, SQRT (fixed point math)
- LINE, POLYGON(can be filled), CIRCLE(can be filled), PAINT
- Sutherland-Cohen line-clipping
- Sutherland-Hodgman polygon clipping
- BEZIERQ, BEZIERC
- QOI image format (decode/code) supported
- 3D (fixed point math) (e.g. rotating cubes)

See ZFOS/docs for details

Planned: AHCI

How to build and run

Add executable permission to scripts (in zzzFORTH folder):
chmod +x *.sh
./buildAll2.sh

See docs/emulators.txt or docs/USBBoot.txt on how to start.