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Thread: Intel Working On 16-bit x86 Support For LLVM

  1. #11
    Join Date
    Jan 2010


    Quote Originally Posted by LLStarks View Post
    I was going to make a snarky comment about Z80... But then realized that it has an LLVM backend
    You can probably make that same joke but with a 6502 instead.

  2. #12


    Windows 7 still has 16 bit support, but only on 32 bit installations. Unlike Windows, Wine can still run Win16 apps even on 64 bit OSes.

    Wine can't run DOS (16 bit real mode) apps on a CPU in Long Mode because VM86 isn't available in that mode. For that purpose Wine uses Dosbox to run DOS apps and report the result back to the calling Windows application.

    There are plenty of old Win 3.1 games. There is value in running them - a game after all is a work of art, and not a tool that can be replaced by a newer equivalent. Many Win95-Era 32 bit games use 16 bit installers. Some of those work on 64 bit Windows because Windows ships replacement binaries that parse the old InstallShield files.

  3. #13
    Join Date
    Feb 2008


    There apparently was gcc support for 6502

  4. #14
    Join Date
    May 2013


    I just thought I would mention it here, because it didn't seem to be mentioned besides at the end of the mailing list thread:

    This is not real 16 bit code generation support - it is 32 bit code generation wrapped with size override prefixes. It generates code that runs on a 32 bit processor, which is running in 16 bit mode. It does not generate code that can execute on an 8086 thru 80286, unfortunately.

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