Weirdly enough the cludge I posted doesn't work on newest virtual box and freedoms for some reason. It does work on dosbox 0.74 (newest one). Maybe the rendering has changed somewhere :/
-Ed EdzUp On Mon, 7 Aug 2023, 12:21 Jerome Shidel via Freedos-user, < freedos-user@lists.sourceforge.net> wrote: > > > > On Aug 6, 2023, at 5:48 PM, Mateusz Viste via Freedos-user < > freedos-user@lists.sourceforge.net> wrote: > > > > On 8/6/23 23:34, Ralf Quint via Freedos-user wrote: > >> DOS is using *text *mode, you just can't select a*graphics *mode and > expect to get text output in that mode. > > > > BIOS text output functions still work in most graphic modes, hence > having a DOS shell running in graphic mode is nothing unusual. Of course > problems may arise for text applications that make assumptions about the > terminal size or that write directly to VRAM without re-setting a proper > text mode. > > Generally even with text support by the BIOS in graphics mode, they do not > work well for the command line prompt. > > Often, there is a lack of text cursor, no scroll support or just very slow > rendering. > > > > >> And btw, 80x25 character text mode in fact is technically a 640x480 > "VGA mode" > > > > It's 720x400. > > Yep. > > 9x16 VGA font, 720x400. However, that 9th bit is just a little bit odd > (puns intended). > > 8x16 VGA font 640x400. > > It’s been a while. But if I recall correctly, I think there were some VGA > tricks that could be done to get 480 raster lines in text mode. Kind of > like mode X. But, I don’t recall if anything that actually did that for > text mode. For some reason, I keep thinking about having an 80x30 text mode > available. But, that could just be 80x28 (8x14 EGA font loaded on VGA > hardware). > > There were a lot of such “tricks” that could be done with real VGA > hardware. Stuff like smooth scrolling in text mode. All part of the VGA > specs. Few of which are supported by Virtual Machines like VirtualBox. > > :-) > > Jerome > > > > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user >
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