6809 on the Scope

The four traces are (top to bottom) E, Q, A0 and A1. The 6809 is free-running with the data bus set to generate a NOP intsruction on every fetch. E is running at 2MHz, from an input clock on EXTAL of 8MHz from a clock oscillator module.

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Uploaded on January 20, 2015
Taken on January 19, 2015