16 Apr
2010
16 Apr
'10
4:10 a.m.
ard at p850ug1.demon.co.uk (Tony Duell) wrote:
Just for reference: databreak is exactly just DMA. It's just another
name for it. The "fun" part of the PDP-8 is that you have 1-cycle data
break and 3-cycle data break devices... :-)
You never see the 3-cycle version on any modern DMA devices...
Johnny
Oh, that bad
RK8E controller just confronts me with "Data break error" :-(
IIRC a ;'data break' is a bit like DMA. I do haev the prints and some
technical desription, so I could help you debug this sometime...