6508
6508 is MICROPROCESSOR manufactured by Commodore.
DESCRIPTION
The 6508 is a low-cost microputer system capable of solving a broad range of small-systems and peripheral-control problems at minimum cost to the user.
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One full page (2~6 bytes) of RAM is I~cated .(on chip) ~~ncurrently at Page a and ~a~ 1, allowing
Zero Page Addressing and stack operations With no additional RAM.
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An 8-bit Bi-Directional 1/0 Port is located on-chip with the Output Register at .,. ti~re&&:Q, a'o.~ and the
Data-Direction Register at Address 0 a a a. The 110 Port is bit-by-bit prog~~ ~I~,. ,"""''''' I)
The Three-State sixteen-bit Address Bus allows Direct Memory A{c,.~ .lfo'Mf.) and multi- processor systems sharing a mon memory.
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The internal processor architecture is identical to the MOS Te G~- n"e:l't Gg~. provide software patibility.
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