On 20/12/2020 16:09, John Rumm wrote:
On 20/12/2020 02:46, Adrian Caspersz wrote:
On 18/12/2020 14:26, John Rumm wrote:

I remember working on a prototype CPU card that someone had wired up
with Dagewire - It was an enamelled copper wire based prototype
system that used little IDC terminals on the bottom of a matrix
board. It was fine at first, until you had to make changes, and it
becomes progressively less reliable with time! It made doing hardware
software integration fun as you always had to work out if the
software is wrong, the hardware design wrong, the build wrong, or do
you just have yet another loose connection!

(vero wire would have probably been better!)


Fond memories of long nights of solderless wire wrapping, 8 bit DIL
CPUs on verocards. 6809 style. Don't believe anyone does that anymore

For giggles I have a few 486SX25 CPUs stashed. I've wondered if I
should dig out the gear and wire something up for old times sake of
seeing homebrewed clock cycles again.

I quite like messing about with old 8 and early 16 bit stuff like that,
but find it harder to get nostalgic about 486 era stuff - not sure why.

Perhaps because dealing with that many pins for so little reward seems
like hard work! :-)

try the NG alt.folklore.computers