Search found 32 matches

by Enforcer
Mon Oct 01, 2018 1:42 am
Forum: Megadrive/Genesis
Topic: IO access differences in MD mode vs SMS
Replies: 4
Views: 7947

IO access differences in MD mode vs SMS

I’m in the midst of a project and was wondering if the bus Arbiter / IO chip disables PORT access to the various peripherals from the Z80 or if it leaves that access available in addition to the memory mapped access? If it leaves it enabled could you get in a weird situation where the 68K is reading...
by Enforcer
Mon Jun 04, 2018 4:03 am
Forum: UMDK
Topic: Coming Soon(ish)... probably [Update - 15/06]
Replies: 8
Views: 17297

Re: Coming Soon(ish)... probably

Depending on price, I’d be interested. Starting a project and from what I’ve read that hardware would be a good upgrade to other tools I’m using.