RetroForth 2021.4

RetroForth 2021.4 Release Notes

Core Language

Renamed

• prefix: namespace to sigil:

I/O

• simplify definition of c:get
• reduced memory usage of the forth part of the code
  in most devices

Toolchain

• retro-extend.py now does run length encoding

VM

• nga-python

  • added support for run length encoded images
  • added a decimal device (alt. to floating point w/higher precision)
  • better fix for nested file inclusion handling
  • start adding pythonista ui support (iOS)
  • now runs under Python 2 again

• nga-c

  • single file implementation (runs on unix, windows)
  • compile time defines for enabling i/o devices
  • better fix for nested file inclusion handling
  • removed unused variables
  • use a struct for processor state, stacks
  • sockets interface now optional, disabled by default
  • dev-image.c removed (image:save is now written in Retro)
  • faster opcode processing (enabled by default on Unix)

• nga-816

  • assembly implementation for 65c816
  • by Piotr Meyer

Examples

• reduced some line lengths
• refactored retro-locate
• file names now using a consistent case/format
• added a line oriented text editor
• updated amalgamation tool for latest nga-c

Documentation

• epub now has a cover image
• added back some missing files
• add note on enabling sockets when building on Unix
• fixed typos in the glossary