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interrupt 0x10 function 0x00 without dpy int tty.c being set.
PR: 35147
Submitted by: Stefan Farfeleder <e0026813@stud3.tuwien.ac.at>
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- Add/change some comments,
- remove superfluous `if (1||x)' and re-indent,
- fix initialization of floppyinfo[] to get rid of warning.
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- slightly more accurate VGA hardware emulation;
- more int 10 functions, especially wrt to palette handling;
- first shot at graphics support;
- mode switching.
Bugs:
- graphics too slow;
- only 16 color modes work for now;
- works only under X, and only with 16 bit TrueColor visuals;
- far from being genuinely useful (I can play an old EGA game now, though
(mahjongg.exe)).
Also, the code has been cleaned up a bit (more to come in a separate commit).
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doscmd heavily depends on struct sigcontext which luckily is mostly passed
between functions as usion regcontext_t. By redefining union regcontext_t in
terms of mcontext_t almost all bases are covered.
It also seems to me that doscmd was in a transitional state. The redundant
definitions made it difficult to get a clear overview and could easily cause
oversight. To make sure my changes were ok, I went as far as to complete the
transition. It was not exactly necessary, but I expect to have to come back
here some more ("whistle" if I'm wrong :-).
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a group of dos emulator developers.
Submitted by: Jonathan Lemon <jlemon@americantv.com>
Obtained from: BSDI
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