On 12/1/2005 at 7:02 PM Allison wrote:
I've never used the 6845 CRTC but over the years
I've heard the Hitachi
part is a better version than the older Motorola one. Lacking a datasheet
for Hitachi what is the differnce?
I do have the moto part data sheet.
Not a whole lot; less than between the Moto and other vendors. Primarily,
some of the write-only registers of the Moto part are read/write on the
Hitachi. Program for the Moto and you'll be safe.
Here's a summary of sorts:
http://andercheran.aiind.upv.es/~amstrad/docs/crtcnew.html
Cheers,
Chuck