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A blitter is a circuit, sometimes as a coprocessor or a logic block on a microprocessor, dedicated to the rapid movement and modification of data within a computer's memory. A blitter can copy large quantities of data from one memory area to another relatively quickly, and in parallel with the CPU, while freeing up the CPU's more complex capabilities for other operations. A typical use for a blitter is the movement of a bitmap, such as windows and fonts in a graphical user interface or images and backgrounds in a 2D video game. The name comes from the bit blit operation of the 1973 Xerox Alto, which stands for bit-block transfer. A blit operation is more than a memory copy, because it can involve data that's not byte aligned (hence the bit in bit blit), handling transparent pixels (pixels

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rdf:type
rdfs:label
  • Blitter (ca)
  • Blitter (cs)
  • Blitter (es)
  • Blitter (en)
  • Blitter (fr)
  • Blitter (pl)
  • Блиттер (ru)
  • Blitter (sv)
rdfs:comment
  • Blitter (anglicky BLock Image Transfer) je v informačních technologiích označení pro specializovaný obvod (někdy koprocesor), který nezávisle na CPU velmi rychle přesunuje data v paměti počítače. Typicky slouží jako akcelerace pro přesun části obrazu (bitmapy) zobrazené na monitoru počítače. (cs)
  • Un blitter (vient de BLIT, abréviation de bit block transfer) dans un micro-ordinateur est un co-processeur graphique 2D accélérant les copies de blocs. Il peut être utilisé pour décharger le processeur principal dans des opérations comme le défilement ou les mouvements de sprites. (fr)
  • Blitter (zapis stylizowany: BLiTTER; akronim od ang. block image transferrer) – specjalizowany układ realizujący operacje przenoszenia danych z jednego obszaru pamięci (także VRAM) do innego. Zadaniem jego jest odciążenie głównego procesora od takich operacji, co ma szczególne znaczenie w generowaniu grafiki 2D. (pl)
  • En blitter (förkortning av engelska: block image transferrer) är en krets eller del av en krets som är specialkonstruerad för att flytta bitmapgrafik i datorns minne (alternativt ett minne avsett för grafik). Amigan var den första dator som hade en inbyggd blitter, därefter fick även Atari ST en liknande lösning. Den svenska datorn ABC 1600 hade ett grafikkort med blitter. (sv)
  • Блиттер (англ. Blitter) — первоначально микросхема или часть графического сопроцессора, осуществляющая быстрое копирование и наложения фрагментов изображений в памяти (данный процесс называется ), благодаря чему освобождаются ресурсы центрального процессора и ускоряется работа с графикой. Название происходит от акронима BLIT (англ. BLock Image Transfer). Основное применение блиттер находил в работе с 2D-графикой и связанных с ней преобразованиях. (ru)
  • Blitter (acrònim de Bit-Block Transfer) és un xip coprocessador dedicat a transferències de dades en memòria, normalment independent de la CPU utilitzant mètodes bit blit. Anteriorment les CPU feien la feina de moure els bitmaps per la memòria RAM. Però com les operacions gràfiques eren cada vegada més complexes, això es va desvincular aviat de la CPU, ja que aquesta havia de retre en altres tasques. Com que les CPU es fabricaven cada vegada més optimitzades, els xips blitter es van fer obsolets. (ca)
  • A blitter is a circuit, sometimes as a coprocessor or a logic block on a microprocessor, dedicated to the rapid movement and modification of data within a computer's memory. A blitter can copy large quantities of data from one memory area to another relatively quickly, and in parallel with the CPU, while freeing up the CPU's more complex capabilities for other operations. A typical use for a blitter is the movement of a bitmap, such as windows and fonts in a graphical user interface or images and backgrounds in a 2D video game. The name comes from the bit blit operation of the 1973 Xerox Alto, which stands for bit-block transfer. A blit operation is more than a memory copy, because it can involve data that's not byte aligned (hence the bit in bit blit), handling transparent pixels (pixels (en)
  • Blitter (acrónimo de Bit-Block Transfer) es un chip coprocesador dedicado a transferencias de datos en memoria, normalmente independiente de la CPU usando métodos bit blit. Anteriormente las CPUs hacían el trabajo de mover los bitmaps por la memoria RAM. Pero como las operaciones gráficas eran cada vez más complejas, esto se desvinculó pronto de la CPU, ya que ésta tenía que rendir en otras tareas. Como las CPUs se fabricaban cada vez más optimizadas, los chips blitter se hicieron obsoletos. * Datos: Q2584276 * Multimedia: Blitters / Q2584276 (es)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Blit_dot.gif
  • http://commons.wikimedia.org/wiki/Special:FilePath/Atari_Blitter.jpg
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