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- #2

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ghost opened this issue Aug 23, 2018 · 6 comments
Closed

- #2

ghost opened this issue Aug 23, 2018 · 6 comments

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@ghost
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ghost commented Aug 23, 2018

@jfmherokiller
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this might be an issue with v86

if you look at the readme of v86

An x86 compatible CPU. The instruction set is around Pentium 1 level. Some features are missing, more specifically:

    Task gates, far calls in protected mode
    16 bit protected mode features
    Single stepping
    MMX, SSE
    A bunch of FPU instructions
    Some exceptions

Specificly the line 16bit protected mode features. I think from my own experience that windows 95 makes use of msdos by task switching into 16bit protected mode which makes windows 95 pause until you close the window. This can be seen on real hardware under the fact that you can only run a single msdos window.

additional informaion can be seen here http://www.fandecheng.com/personal/interests/ewindows/advanced_windows/win95_multitask.htm

@nhblock
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nhblock commented Aug 23, 2018

I ran into the same issue just now by trying to execute command.com, in v1.0.

@Miserlou
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screen shot 2018-08-23 at 2 30 07 pm

Same issue here, was hoping to play Doom

@johnwcowan
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Instead of trying to use the native MS-DOS box, use https://www.dosbox.com inside the Win95 emulation. That allows you to run multiple boxen and doesn't depend on the details of v86. Note: I haven't tried this.

@alexpersian
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@Miserlou check issue #11 for some details on how to get DOOM running.

@felixrieseberg
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Owner

Quick fix: Hit Alt + Enter. I'll close this in favor of #50.

@ghost ghost changed the title Starting MS-Dos Prompt on MacOS causes Windows 95 to freeze - Jan 28, 2022
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6 participants