CTIA
E533729
CTIA is an early custom video display chip used in Atari 8-bit computers to generate their on-screen graphics and color output.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
Atari custom chip
ⓘ
graphics chip ⓘ integrated circuit ⓘ video display chip ⓘ |
| bitDepth | 4-bit color luminance combinations (via palette registers) ⓘ |
| category | home computer graphics hardware ⓘ |
| colorCapability |
16 color hues (via palette)
ⓘ
multiple luminance levels per hue ⓘ |
| controls |
color registers
ⓘ
player-missile graphics registers ⓘ playfield color selection ⓘ |
| coProcessorRole | video and color generation companion to ANTIC ⓘ |
| designedBy | Atari engineering team ⓘ |
| designedFor | home computer graphics ⓘ |
| fullName | Color Television Interface Adapter NERFINISHED ⓘ |
| function |
generate color output
ⓘ
generate on-screen graphics ⓘ handle player-missile graphics ⓘ provide collision detection ⓘ |
| historicalSignificance | one of the earliest custom video chips in consumer home computers ⓘ |
| introducedIn | late 1970s ⓘ |
| limitationsComparedToGTIA |
fewer graphics modes
ⓘ
less flexible color interpretation modes ⓘ |
| manufacturer | Atari, Inc. NERFINISHED ⓘ |
| packageType | DIP (dual in-line package) NERFINISHED ⓘ |
| platform | Atari 8-bit line NERFINISHED ⓘ |
| predecessorOf | GTIA NERFINISHED ⓘ |
| primaryUseCase | Atari 8-bit computer display subsystem ⓘ |
| regionVariants | NTSC systems ⓘ |
| replacedBy | GTIA NERFINISHED ⓘ |
| roleInSystem | final stage of video signal generation before RF/modulator ⓘ |
| supports |
hardware collision detection between players, missiles, and playfield
ⓘ
missile graphics ⓘ up to 4 hardware sprites (players) ⓘ |
| technology | NMOS ⓘ |
| usedIn |
Atari 400
NERFINISHED
ⓘ
Atari 8-bit family NERFINISHED ⓘ Atari 800 NERFINISHED ⓘ |
| usedUntil | early 1980s ⓘ |
| videoOutput |
composite video
ⓘ
luminance and chrominance signals ⓘ |
| worksWith |
6502 CPU
ⓘ
ANTIC NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.