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retroforth/vm/nga-c-native-x86
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crc ce91454df1 add in a "d:source" field to the dictionary header 
FossilOrigin-Name: d6c27c49b054c022fad6d2898d173f0a2705925a97bb139c1c6fbdb48f896da7
2021-08-10 16:09:58 +00:00
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bin finish reorg of main sources 2019-11-22 18:30:02 +00:00
x86 fix build errors in native x86 c vm 2021-07-04 02:57:22 +00:00
386.ld finish reorg of main sources 2019-11-22 18:30:02 +00:00
386.s finish reorg of main sources 2019-11-22 18:30:02 +00:00
386flat.ld finish reorg of main sources 2019-11-22 18:30:02 +00:00
image.c add in a "d:source" field to the dictionary header 2021-08-10 16:09:58 +00:00
Makefile retro/native: work on the ata driver (user configurable read/write delays, name the I/O ports used, start refactoring) 2020-02-29 15:50:19 +00:00
README.md finish reorg of main sources 2019-11-22 18:30:02 +00:00
retro.c nga-c-native-x86: sys/limits -> limits 2021-07-04 03:01:22 +00:00

README.md

RETRO/NATIVE

This directory contains some experiments in building a RETRO system to run directly on hardware. As a stepping stone, it also includes some builds which require a host kernel, but no standard C library.

Initial Objectives:

  • Reuse as much of the existing VM implementation (in C) as possible.
  • Don't require a full blown kernel & userland to run
  • Work with a completely standard RETRO image
  • Minimally viable system: the basic listener (REPL)
  • Work on 32-bit x86 systems

Future Goals:

  • Support for more processors

    • x86-64
    • ARM (32-bit)
    • ARM (64-bit)
    • RISC-V
    • MIPS M4K (PIC32)

Current Status:

  • Working builds w/minimal host dependencies:

    • FreeBSD (32-bit, x86)
    • FreeBSD (64-bit, x86)
    • Linux (32-bit, x86)
    • Native (32-bit, x86, multiboot)