Questions tagged [mos-agnus]
The mos-agnus tag has no usage guidance.
3
questions
12
votes
3
answers
1k
views
What are the Ultra-Highres registers in ECS and AGA for?
The Amiga custom chip set, in its ECS and AGA versions, seems to contain some registers for what is called an "Ultra-HighRes/DUAL" mode:
DFF078 SPRHDAT W Ext. logic UHRES sprite pointer and ...
8
votes
2
answers
997
views
Transistor count of copper and blitter
According to https://en.wikipedia.org/wiki/MOS_Technology_Agnus the Agnus, one of the three custom chips in the Amiga, that included the copper and blitter among other functions, contained a total of ...
10
votes
2
answers
667
views
How many gates does each chip in OCS have?
According to Wikipedia, the original Agnus has 21000 transistors. How many gates would this be? (assuming there's a straightforward way to convert between gates and transistors).
What about Denise, ...