It allowing two independent registers to be accessed and instruction with them executed in one machine cycle.
Many register-to-register scalar instructions were executed in a single machine cycle.
A basic machine cycle took 1.8 microseconds, and the core memory read time was 700 nanoseconds.
It is a technique of using idle machine cycles to perform useful computing tasks in the background.
The 6809 used the two-phase clock cycle directly as the basic machine cycle.
Punching rate is roughly four columns per machine cycle.
The total number of machine cycles required per card varies depending on the data and programming.
Eight clock cycles makes up one machine cycle.
The machine cycle was oddly divided into 420 "points" or "Bull degrees".
Each instruction takes 1, 2 or 4 machine cycles to execute.