Helios II disk drive - Sol-20

From: Allison J Parent <allisonp_at_world.std.com>
Date: Wed Mar 4 20:21:28 1998

<IIRC the Z-80 stacks the PC after the it's been incremented. So it fills

Correct, been looking at to much C code lately.

<were only 7 bits of video RAM on that machine, so 00 displayed as 40 =
<'_at_'). That was a standard diagnostic test I think.

Yes!

Allison
Received on Wed Mar 04 1998 - 20:21:28 GMT