On Wed, 9 Nov 2022, Steve Lewis wrote:
translating those results to "display character codes." I don't think the
5110 has a clock on its own, so you'd have to carefully time things? (like
doing audio on an original Apple 2 with no RTC module).
Sure it has. The ASync card does not have an
Just yesterday, I received the following notes from Hal Prewitt of CORE
(see below).
Some highlights:
- confirmation that use of async, comm, parallel card was not necessary
- from the PC51 manual, their hard drives were accessed as "device 08" (D08
instead of D80 for the IBM disk drive)
- gives
> Remember: this card is absolutely dumb, it essentially only has shift
> registers and a clock generator
Ah, the clock might be important. I was thinking of a terminal that could
be written without the async card, and using maybe 3 pins on those set of
external DB25 connectors. This is
On Wed, 9 Nov 2022, Steve Lewis wrote:
always imagined it would be possible to "bit bang" across these external IO
pins with some PALM-assembly -- the machine should be fast enough to encode
7-bit ASCII at 300 baud across those pins, maybe 1200. I'm not sure if
The PALM and thus the 51[012]0
