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From: ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
Subject: Scrolling problem
Sender: ao950 AT freenet2 DOT carleton DOT ca (Paul Derbyshire)
Reply-To: ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
Organization: The National Capital FreeNet
Date: Thu, 22 Jun 1995 00:52:38 GMT
Lines: 18
To: djgpp AT sun DOT soe DOT clarkson DOT edu
Dj-Gateway: from newsgroup comp.os.msdos.djgpp




Fixed it... the bug was actually so obvious I overlooked it ten times. I
was using struct the_screen for screen and buffer, and should have had two
separate structs (with and without buffers).
For those who were wondering, I use pointers rather than memcpy() for
speed purposes. Function calls generate overhead. That's also why I made
putpixel a macro instead of a function.
Now I have another problem: graphics code from djgpp works fine in DOS,
but in Windows generates general protection faults (from go32, not from
windows).

--
    .*.  "Clouds are not spheres, mountains are not cones, coastlines are not
 -()  <  circles, and bark is not smooth, nor does lightning travel in a
    `*'  straight line."    ,------------------------------------------------
         -- B. Mandelbrot  |  Paul Derbyshire (PGD) ao950 AT freenet DOT carleton DOT ca