ZX Spectrum Clones
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Home > Art, Film & Photography > ZX Spectrum Clones: ATM (Computer), Didaktik, Dubna 48k, Hobbit (Computer), Kay 1024, Komputer 2086, List of ZX Spectrum Clones, Pentagon
ZX Spectrum Clones: ATM (Computer), Didaktik, Dubna 48k, Hobbit (Computer), Kay 1024, Komputer 2086, List of ZX Spectrum Clones, Pentagon

ZX Spectrum Clones: ATM (Computer), Didaktik, Dubna 48k, Hobbit (Computer), Kay 1024, Komputer 2086, List of ZX Spectrum Clones, Pentagon


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About the Book

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 24. Chapters: ATM (computer), Didaktik, Dubna 48K, Hobbit (computer), Kay 1024, Komputer 2086, List of ZX Spectrum clones, Pentagon (computer), Robik, SAM Coupe, Sprinter (computer), Timex Computer 2048, Timex Sinclair 2048, Timex Sinclair 2050, Timex Sinclair 2068, TK 90X, TK 95. Excerpt: The SAM Coupe (Pronounced: "Sam Coo-Pay" from its original British English branding) is an 8-bit British home computer that was first released in late 1989. It is commonly considered a clone of the Sinclair ZX Spectrum computer, since it features a compatible screen mode and emulated compatibility, and it was marketed as a logical upgrade from the Spectrum. It was originally manufactured by Miles Gordon Technology (MGT), based in Swansea in the United Kingdom. A profile of the SAM Coupe, illustrating the origin of its car themed nameThe machine is based around a Z80B CPU clocked at 6 MHz, and contains an ASIC that is comparable to the Spectrum's ULA. Memory is accessible within the 64 KB range of the Z80B CPU by slicing it into 16 KB blocks and accessing IO ports to switch which blocks appeared in the 4 slots available to the CPU. The basic model has 256 KB of RAM, upgradable internally to 512 KB and externally with an additional 4 MB (added in 1 MB packs). The computer's primary storage medium is a cassette tape, though one or two 3.5 inch floppy disk drives can be installed internally as well. Six channel, 8 octave stereo sound is provided by a Philips SAA 1099 chip. The ASIC also includes a line triggered interrupt counter, allowing video effects to be synchronised to specific display positions with little effort. The SAM Coupe provides four graphics modes: All modes are paletted, with a 16-entry CLUT selecting from a palette of 128 colours. Palette entries consist of 2 bits for each of the red, green and blue components as well as an extra bit which slightly increases the intensity of all three components. The machine's non-standard SCART connector includes signals to drive a TTL-style monitor, in which case the total palette of colours is reduced to 16. In order to match the display speed of the ZX Spectrum, the Coupe introduces extra wait states to reduce the CPU speed while in Display Mode 1. The Motorola MC1377P RGB to PAL/NTSC encoder creates a composite vi


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Product Details
  • ISBN-13: 9781155652504
  • Publisher: Books LLC, Wiki Series
  • Publisher Imprint: Books LLC, Wiki Series
  • Height: 246 mm
  • No of Pages: 26
  • Spine Width: 1 mm
  • Weight: 68 gr
  • ISBN-10: 1155652509
  • Publisher Date: 22 Nov 2012
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Sub Title: ATM (Computer), Didaktik, Dubna 48k, Hobbit (Computer), Kay 1024, Komputer 2086, List of ZX Spectrum Clones, Pentagon
  • Width: 189 mm


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