That "Gary" was back again), "Ramsey" (The RAM controller), (for handling the Zorro II/III cards in the A3000, which meant Other chips were "Amber" (a "flicker fixer", used in the A3000Īnd Commodore display enhancer for the A2000), "Gary" ( I/O,Īddressing, G for glue logic), "Buster" (the bus controller, which replaced "Gary" in the A2000), "Buster II" The "Vidiot" is a hybrid that combines and amplifies theġ2-bit video data from "Denise" into RGB to the monitor. "Denise" outputs binary video data (3*4 bits) to the "Vidiot". More DMA channels and higher bus bandwidth. Replaced by "Alice" in the A4000 and A1200, which allowed for
Version, jumper selectable for PAL or NTSC. In PAL and NTSC versions, "Super Agnus" came in one Package, could access 1MB of video RAM), "Super Agnus" Only address 512K of video RAM), "Fat Agnus" (in a PLCC Different versions (in order) were: "Agnus" (could Palette changes, sprite multiplying, and resolutionĬhanges. Real-time position of the video scan, such as midscreen "Agnus" and "Denise" were responsible for effects timed to the The instruction fetch and execute units are in the "Agnus"Ĭhip, and the pixel timing circuits are in the "Denise" chip " Video Timing Coprocessor" and is split between two chips: The coprocessor commonly called the "Copper" is in fact the Most components within the machine were known by nicknames. Machine, infused some money, and pushed it through the final TheyĮventually floundered and looked for a buyer.Ĭommodore at that time bought the (mostly complete) Amiga Joysticks but no Lorraines or any other computer. US game machine market collapsed, the Amiga company sold some The Amiga was originally called the Lorraine, and wasĭeveloped by a company named "Amiga" or "Amiga, Inc.", fundedīy some doctors to produce a killer game machine. One notableįeature is a hardware blitter for speeding up graphics A range of home computers first released byĬommodore Business Machines in early 1985 (though they did
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