#: 6353 S12/OS9/68000 (OSK)
    27-Aug-90  23:58:17
Sb: #PT68k & Herc graphics
Fm: SCOTT HOWELL 70270,641
To: all

I have a PT68k 16 Mhz OS9 system and I am in desperate need of some help.
        To start off with a have written a 'c' program that writes directly to
my Hercules graphics card in text mode. The program does a mundane task of
writing a row of chars (2000 of them) on the screen.

        My next task is to write pixels, in 'graphics mode' on the screen which
up to this point have been unsuccessful. I know that IBM Herc graphics start at
&hB800 whice on the PT68k os mapped to &hd70001.
        My problem is setting the 6845 to the 'graphics mode' as stated my the
Herc standard. I read the Motorola book on the chip and was able to make little
since on the stuff. Does anyone that owns a PT68 ever written directly to to
graphics on the Herc card supplied with the computer.

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