Address Generator Unit
E739764
The Address Generator Unit (AGnus) is a custom chip in the Commodore Amiga that manages memory access, DMA, and display-related tasks such as copper and blitter operations.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Amiga chipset component
ⓘ
custom chip ⓘ integrated circuit ⓘ |
| alsoKnownAs |
AGnus
NERFINISHED
ⓘ
Agnus NERFINISHED ⓘ |
| clockSource | system clock ⓘ |
| controls |
audio DMA
ⓘ
bitplane DMA ⓘ blitter operations ⓘ copper operations ⓘ display fetches ⓘ refresh DMA ⓘ sprite DMA ⓘ |
| designedFor | Commodore Amiga NERFINISHED ⓘ |
| hasComponent |
Blitter controller
ⓘ
Copper co-processor ⓘ |
| interactsWith |
68000 CPU
NERFINISHED
ⓘ
Denise NERFINISHED ⓘ Paula NERFINISHED ⓘ |
| introducedIn | 1985 ⓘ |
| locatedOn | Amiga mainboard ⓘ |
| manages |
direct memory access
ⓘ
memory access ⓘ |
| manufacturer | Commodore NERFINISHED ⓘ |
| partOf |
Commodore Amiga architecture
NERFINISHED
ⓘ
Original Chip Set ⓘ |
| primaryFunction |
address generation for DMA
ⓘ
display-related memory control ⓘ |
| responsibleFor |
bus master control
ⓘ
memory arbitration ⓘ video timing ⓘ |
| successorInChipset | Alice NERFINISHED ⓘ |
| supports | DMA channels ⓘ |
| technology | NMOS NERFINISHED ⓘ |
| usedIn |
Amiga 1000
NERFINISHED
ⓘ
Amiga 2000 NERFINISHED ⓘ Amiga 2500 NERFINISHED ⓘ Amiga 3000 NERFINISHED ⓘ Amiga 3000T NERFINISHED ⓘ Amiga 500 NERFINISHED ⓘ Amiga 500 Plus NERFINISHED ⓘ Amiga 600 NERFINISHED ⓘ |
| usedInChipset |
ECS
NERFINISHED
ⓘ
OCS NERFINISHED ⓘ |
| variant |
Fat Agnus
NERFINISHED
ⓘ
Original Agnus ⓘ Super Agnus NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.