A direct threaded Linux-only x86 Forth implementation coded in pure assembly using NASM macros.
All I/O is done with syscalls. IsForth is almost a complete replacement for both libc and libncurses.
To use the debugger say debug xyzzy and from within the debugger..
Space - single steps
Enter - enters into words that nest
Escape - exits debugger
Cursor - move cursor within current definition
h - run to cursor location
H - auto step to current location
While auto stepping + and - change the step speed
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What's New in This Release:
- Major changes were made to the memory manager, keyboard handling, and terminal handling.
- Pulldown menus for TUI were completed.
- Macro colon definitions and various other bugs were fixed.