Alice
E749575
Alice is a Direct Memory Access (DMA) controller used in Commodore's Amiga AGA chipset generation to handle high-speed data transfers between memory and peripherals.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
DMA controller
ⓘ
custom chip ⓘ |
| alternativeName | AGA DMA controller NERFINISHED ⓘ |
| belongsToFamily | Amiga custom chips ⓘ |
| connectsMemoryAnd | peripherals ⓘ |
| controls |
audio DMA channels
ⓘ
bitplane DMA channels ⓘ blitter DMA channels ⓘ copper DMA channels ⓘ refresh cycles for chip RAM ⓘ sprite DMA channels ⓘ |
| coordinatesWith |
Gayle
NERFINISHED
ⓘ
Lisa NERFINISHED ⓘ Paula NERFINISHED ⓘ |
| designedBy | Commodore engineering team ⓘ |
| designedFor | Motorola 68020-based Amiga systems NERFINISHED ⓘ |
| generation | AGA NERFINISHED ⓘ |
| handles |
Direct Memory Access
ⓘ
high-speed data transfers ⓘ |
| hardwareGeneration | third-generation Amiga chipset (AGA) ⓘ |
| hasFunction | offload CPU from bulk data movement ⓘ |
| introducedIn | early 1990s ⓘ |
| manages |
bus arbitration
ⓘ
memory access timing ⓘ |
| manufacturer | Commodore NERFINISHED ⓘ |
| operatesOn | chip RAM ⓘ |
| optimizedFor | multimedia workloads ⓘ |
| partOf |
Amiga AGA chipset
NERFINISHED
ⓘ
Commodore Amiga architecture NERFINISHED ⓘ |
| platform | AmigaOS-based systems ⓘ |
| predecessorInLineage |
Enhanced Chip Set Agnus
NERFINISHED
ⓘ
Original Chip Set Agnus NERFINISHED ⓘ |
| primaryBus | Amiga chip bus ⓘ |
| regionOfUse | home computers ⓘ |
| replaces | Agnus in AGA systems ⓘ |
| role | central DMA arbiter ⓘ |
| successorOf | Agnus NERFINISHED ⓘ |
| supports |
32-bit memory addressing (with limitations)
ⓘ
blitter operations ⓘ copper instruction fetching ⓘ |
| technologyNode | VLSI custom ASIC ⓘ |
| usedFor |
audio data transfers
ⓘ
graphics data transfers ⓘ system DMA operations ⓘ |
| usedIn |
Amiga 1200
NERFINISHED
ⓘ
Amiga 4000 NERFINISHED ⓘ Amiga 4000T NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.