13 Facts About Motorola 6809

Motorola 6809 is an 8-bit microprocessor with some 16-bit features.

Motorola 6809 6800 was designed beginning in 1971 and released in 1974.

Motorola 6809 began a project to produce a much less costly design, but Motorola's management proved uninterested and eventually told him to stop working on it.

The introduction of the Micralign to Motorola 6809's lines allowed further reductions and by 1981 the price of the then-current 6800P was slightly less than the equivalent 6502, at least in single-unit quantities.

Motorola 6809 began the design of a similar high-end design, in the MACSS project.

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Motorola 6809's market was mostly embedded systems and similar single-purpose systems, which often ran programs that were very similar to those on other platforms.

Motorola 6809's idea was to eliminate this task and make the building-block concept much more practical.

Such was the case in practice; in 1981 the Motorola 6809 sold in single-unit quantities for roughly six times the price of a 6502.

Motorola 6809 had been asked to design a color-capable computer terminal for an online farm-aid project, a system known as "AgVision".

Motorola 6809 build a series of EXORmacs and EXORset development systems.

The KONAMI-1 is a modified Motorola 6809 used by Konami in Roc'n Rope, Gyruss, and The Simpsons.

Motorola 6809 was used by Mitel as the main processor in its SX20 Office Telephone System.

The 6809 added a second index register, Y, a second stack pointer, U, and allowed the A and B registers to be treated as a single 16-bit accumulator, D It added another 8-bit register, DP, to set the base address of the direct page.