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retroforth/vm/nga-c-native-x86
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crc 8f28295b80 retro.forth: rewrite s:index-of-string and s:contains-string? to eliminate use of variables 
FossilOrigin-Name: de906e8e013b525255563160130a42b104f50e7b3295d0dd9f3675217caf66ac
2020-02-13 13:33:57 +00:00
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bin finish reorg of main sources 2019-11-22 18:30:02 +00:00
x86 finish reorg of main sources 2019-11-22 18:30:02 +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 retro.forth: rewrite s:index-of-string and s:contains-string? to eliminate use of variables 2020-02-13 13:33:57 +00:00
Makefile fix errors when building vm/nga-c-native-x86 after the source tree reorganization 2019-12-18 13:02:53 +00:00
README.md finish reorg of main sources 2019-11-22 18:30:02 +00:00
retro.c fix errors when building vm/nga-c-native-x86 after the source tree reorganization 2019-12-18 13:02:53 +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)