Agnus

E201692

Agnus is the custom chip in early Commodore Amiga computers responsible for managing graphics, memory access, and DMA operations within the system’s chipset.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (2)

Label Occurrences
Agnus canonical 12
Fat Agnus 1

Statements (45)

Predicate Object
instanceOf Amiga chipset component
custom chip
integrated circuit
alias Address Generator
Address Generator Unit
Agnus chip
belongsToFamily Original Amiga chipset (OCS)
surface form: Amiga custom chipset
category DMA controller chip
computer graphics hardware
controls Direct Memory Access
blitter operations
chip RAM access
copper operations
coordinates access to shared memory by custom chips
audio DMA channels
blitter DMA channels
video DMA channels
designedBy Commodore Amiga engineering team
designedFor Original Amiga chipset (OCS)
surface form: Amiga graphics subsystem
enables bitplane graphics display
smooth scrolling and display features
era 1980s home computers
generation early Amiga models
hasVariant Agnus self-linksurface differs
surface form: Fat Agnus

Thin Agnus
interactsWith Motorola 68000 family
surface form: Motorola 68000 CPU
locatedIn Amiga mainboard
manages bus arbitration between CPU and custom chips
manufacturer Commodore
memoryTypeControlled chip RAM
partOf Amiga
surface form: Commodore Amiga architecture

OCS
Original Chip Set
platform Amiga
responsibleFor DMA operations
graphics control
memory access control
role central memory and DMA controller in Amiga chipset
technologyDomain home computer hardware
usedIn Commodore Amiga 1000
Commodore Amiga 2000
Commodore Amiga 500
early Commodore Amiga computers
worksWith Denise
Paula

Referenced by (13)

Full triples — surface form annotated when it differs from this entity's canonical label.

Original Amiga chipset (OCS) mainComponent Agnus
subject surface form: Original Amiga chipset
Original Amiga chipset (OCS) graphicsController Agnus
subject surface form: Original Amiga chipset
Original Amiga chipset (OCS) dmaController Agnus
subject surface form: Original Amiga chipset
Agnus hasVariant Agnus self-linksurface differs
this entity surface form: Fat Agnus
A500 graphicsCoProcessor Agnus
Denise cooperatesWith Agnus
Paula worksWith Agnus