Subject: Re: Dyslexic pmax mono?????
To: Jonathan Stone <jonathan@DSG.Stanford.EDU>
From: Andy Doran <ad@netbsd.org>
List: port-pmax
Date: 01/20/2000 23:17:28
NetBSD Bob writes (and also erroneously wrote as OpenBSD Bob :):
> >I installed the 1.4P pmax port on my DS3100 box, and the install went fine.
> >But, after the kernel was booted, the machine became dyslexic. The characters
> >were positioned correctly, but the font was 180 degrees reversed front to back
> >around the vertical axis. Rather strange to try to read. Anyone have any
> >insights as to what might be causing that? 1.4P did fine on all my 5000
> >series machines.
On Thu, 20 Jan 2000, Jonathan Stone wrote:
> The mono pmaxes have a smaller VRAM than the colour pmaxes. They pack
> eight one-bit pixels per byte.
>
> The most likely cause is that Andy Doran's new, improved,
> better-faster, blit code isn't aware of the pixel bit-order within
> each 8-pixel byte of the mono pmax framebuffer. (I vagely
> recall Ted mentioning the same thing when he was portmaster.)
What's being reported doesn't make sense - NetBSD Bob reports a vertical
flip.
up-down or left-right - which?