idh@NABLA.ELECTRICAL-ENGINEERING.UMIST.AC.UK (Ian D Hawkins) (02/24/90)
I would like to know the timing of /uds, /rom_select and address valid on the st's rom port, can anyone help ?. Also is it possible to read from the rom port using pc-speed ?, and finally what is the sm124 hardware hack that enables the pc-speed to do 'hyper' hercules emulation, and has anyone got the hercules mode to work with graphics in quick-basic 4?. (The pc-speed disk refers to the hack, but the UK distributors apparently have not yet been told what it is). Any help appreciated, Ian Hawkins: idh@uk.ac.umist.electrical-enginneering.nabla