First post, by clb
Hi,
I am diagnosing behavior of some DOS games, and I realize that I'd like to probe how these games behave if one did not have VESA support at all. Anyone know if such a tool exists?
For example, I had these games that I was looking at recently:
- Scorched Earth,
- Pinball Fantasies,
- Pinball Illusions
- Warlords 2
that all support 640x480 and some do 800x600.
I think Scorched Earth doesn't use VESA, but maybe has hardcoded INT10h SVGA mode numbers for different adapters?
The other games maybe do go via VESA?
So to be able to quickly probe games like that, it would be interesting to be able to "kill"/hide VESA support from an adapter. (also, it might be interesting to kill/override a particular SVGA mode from an adapter if there might be a tool for such a thing?)
I think I could go the route of hooking my own interrupt handlers, though I hope maybe something like this might already exist?