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Commodore 65 (Or Commodore 64DX, C65, C64DX) The last 8-bit computer designed by Commodore Business Machines, about 1989-1991. The C65 boasts an {ugly} collection of custom integrated circuits which makes even the Amiga hardware look standard. The core of the C65 chip set is the {CSG 4510} and {CSG 4569}. The 4510 is a {65CE02} with two {6526} {CIAs}. The 4569 is equivalent to a combination of the {6569} VIC-II and the MMU of the Commodore 64. The C65 also has a {DMA controller} (Commodore's purpose built {DMAgic}) which also functions as a simple blitter, and a {floppy controller} for the internal Commodore 1581-like disk drive. The floppy controller, known as the {F011}, supports seven drives (though the DOS only supports 2). The 4510 supports all the C64 {video modes}, plus an 80 column text mode, and {bitplane} modes. The bitplane modes can use up to eight bitplanes, and resolutions of up to 1280 x 400. The
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