Hitachi 6309 - definitie. Wat is Hitachi 6309
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Wat (wie) is Hitachi 6309 - definitie

HITACHI VARIANT OF THE MOTOROLA 6809 8-BIT MICROPROCESSOR
6309; HD6309; HD63701; Hitachi HD63701; HD63C09EP; Hitachi HD63C09EP

Hitachi 6309         
<processor> (HD6309) Hitachi's version of the {Motorola 6809} microprocessor. Compatible with the 6809, it added two new eight-bit registers that could be added to form a second 16-bit register, and all four eight-bit registers could form a 32-bit register. It also featured division, and some 32-bit arithmetic and was generally 30% faster in native mode. This information, surprisingly, was never published by Hitachi. {6309.techref">Technical reference (http://sandelman.ottawa.on.ca/People/Alan_DeKok/interests/6309.techref)}. (1997-03-21)
6309         
HD6309         

Wikipedia

Hitachi 6309

The 6309 is Hitachi's CMOS version of the Motorola 6809 microprocessor, released in late 1982. It was initially marketed as a low-power version of the 6809, without reference to its many internal improvements.

While in "Emulation Mode" it is fully compatible with the 6809. To the 6809 specifications, it adds higher clock rates, enhanced features, new instructions, and additional registers. Most of the new instructions were added to support the additional registers, as well as up to 32-bit math, hardware division, bit manipulations, and block transfers. The 6309 is generally 30% faster in native mode than the 6809.

This information was never published by Hitachi. The April 1988 issue of Oh! FM, a Japanese magazine for Fujitsu personal computer users, contained the first description of the 6309's additional capabilities. Later, Hirotsugu Kakugawa posted details of the 6309's new features and instructions to comp.sys.m6809. This led to the development of NitrOS-9 for the Tandy Color Computer 3.