Questions tagged [mos-agnus]

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12 votes
3 answers

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 ...
user180940's user avatar
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8 votes
2 answers

Transistor count of copper and blitter

According to the Agnus, one of the three custom chips in the Amiga, that included the copper and blitter among other functions, contained a total of ...
rwallace's user avatar
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10 votes
2 answers

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, ...
user180940's user avatar
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