9 Jun
2005
9 Jun
'05
3:18 p.m.
same as a 16 pin IC). Meanwhile the CPU board keyboard
connector (and
corresponding schematic) is numbered in a more conventional pattern with
odd pins on one side and even on the other.
I thought IC connections were always numbered down one side then back up
the other one? I've not seen any that are numbered across the chip?
Well the Nascom 2 keyboard seems to be very similar to
the Nascom 1,
except that (as others have noted) it has an extra scan row so uses 7
data bits rather than 6.
I can scan the relevant pages in the hardware manual; I've got the full
monty at home so I can bring it back down here with me.
--
adrian/witchy
Binary Dinosaurs creator/curator
www.binarydinosaurs.co.uk - the UKs biggest home computer collection?