Q: control is a C&T 65550?
paulus at cs.anu.edu.au
Wed Jun 9 09:54:18 EST 1999
Daniel Jacobowitz <drow at false.org> wrote:
> That's one of those if-i-had-more-time things - and more specifically,
> if I knew how to dump video regs under macos. Is it trivial?
This is where I use xmon. There is a macos version at (I think)
ftp://ftp.linuxppc.org/users/paulus/misc/xmon.bin. From memory, the
control registers are at 0x90010000 and the RADACAL (ramdac/cursor
chip) registers are at 0xf301b000.
The other thing to do is to browse through the darwin sources from
apple and see if they have a control driver somewhere.
IIRC, the hardware cursor uses some extra bytes on each scan line and
some registers in the RADACAL.
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