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RetroForth/ilo

This is a new implementation of RetroForth and a little virtual computer (named ilo) to run it.

Features:

dual stack architecture
64k cells of word addressed (32-bit) memory
30 instructions
four instructions per word
block storage device (1k cells per block)
direct threaded retroforth image
includes a block editor and sample blocks
runs in as little as 384k of RAM
optional framebuffer display

The source and documentation are distributed under the ISC license.

Download

Get the snapshot, uncompress, and run the appropriate binary for your system.

Latest Snapshot (image, blocks, vm binaries, vm source)

retro-ilo.sh (shell script install, update, launcher)

retro-ilo.sh Instructions

Source Repositories

Currently the full source tree can only be obtained via either Fossil or git:

    # fossil
    fossil clone http://forth.works:8000/ retro-ilo.fossil
    mkdir retro-ilo; cd retro-ilo
    fossil open ../retro-ilo.fossil

    # git
    git clone https://git.sr.ht/~crc_/retro-ilo
    cd retro-ilo

The Other Systems

RetroForth implementations run on three virtual computers: ilo, napia, and nga. The ilo system is the smallest of the three.

ilo.retroforth.org

napia.retroforth.org

nga.retroforth.org