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:''For the era of computer gaming commonly referred to as "16-bit", see History Of Video Game Consoles (fourth Generation) . 16-BIT ARCHITECTURE Prominent 16-bit processors include the PDP-11 , Intel 8086 , Motorola 68000 , Intel 80286 and the WDC 65C816 . The Motorola 68000 was 16-bit in that its data buses were 16 bits long; however, it was 32-bit in that the general purpose registers were 32 bits long and most arithmetic instructions supported 32-bit arithmetic, and 24-bit in that the address bus was 24 bits long. A 16-bit integer can store 216 (or 65536) unique values. In an Unsigned representation, these values are the integers between 0 and 65535; using Two's Complement , possible values range from −32768 to 32767. Hence, a processor with 16-bit Memory Addresses can directly access 64 KiB of Byte-addressable memory. 16-bit processors have been almost entirely supplanted in the Personal Computer industry, but remain in use in a wide variety of embedded applications. For example the 16-bit XAP Processor is used in many ASICs. The 16-bit processor of the Sega Mega Drive/Genesis was a highly advertised feature of the video game system. Due to the saturation of this advertising, the 1988-1995 era of video game consoles is often called "the 16-bit era". 16-BIT FILE FORMAT A 16-bit File format is a Binary File Format for which each elementary information is defined on 16 bits (or 2 Byte s). An example of such a format is the Windows Metafile Format . |
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