dosmem

[Ove Kaaven]

On Thu, 4 Oct 2001, Nog wrote:

> In my quest to get helppc running and working in wine, I noticed that it
> tries to access the text mode buffer directly (b000, I think). This
> memory doesn't seem to be emulated in dosmem.c and my exploration into
> how to implement it were in vein. Could anybody please help?

I already have code to do that, but it's probably as a part of my DOS
support restructure... which I don't have time to work on at the moment.
Sorry.

> Anyway on another note, to get the program to exectute this far I had to
> add a hack to vga.c. What the program was doing, was, it waited until
> the light pen trigger was set, when it read the light pen trigger set
> (bit 1) from the vga status register (3da) and then it would wait until
> it was unset again. I've attached a patch to solve this problem, but its
> definatly not the right way of doing it, anyway see what you think.

Sounds weird... does it really mess with a "light pen"?