On Tue, 8/8/17, Rod Smallwood via cctalk <cctalk@classiccmp.org> wrote:
> Well not surprisingly it didn't. I keyed in the bootstrap and > > So next move will be to try and see if we can read / write the registers > on the controller card. > > First find out what address they are at. Unlike the 11s, the device registers on an 8 aren't memory mapped. The controller effectively adds instructions to the repetoire. Doug Jones' site has a good summary of the RX8 functionality: http://homepage.divms.uiowa.edu/~jones/pdp8/man/rx01.html BLS
