LGPL'd VGABios - Patches: patch #7602, 0x112? functions implementation
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patch #7602: 0x112? functions implementation
Submitter: | Hugo Mercier <hmercier> | ||
Submitted: | Wed 24 Aug 2011 12:04:05 PM UTC | ||
Category: | None | Priority: | 5 - Normal |
Status: | Done | Privacy: | Public |
Assigned to: | vruppert | Open/Closed: | Closed |
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Depends on the following items: None found
Items that depend on this one: None found
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Hi all,
I've had troubles with an old software that run under DOS (with Bochs and QEMU). It refused to execute correctly but worked like a charm under DosBox.
After analysis, it came from some unimplemented functions of VGABios and especially AX=0x1121. Here is a patch that resolves my problem. It also fixes some error when calling AH=09 (character writing) after loading a font of different height.
There might be some mistakes remaining in this patch, I did not test everything.