In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote:

[quote="Nate"]

2 Clock cycles after high-to-low trans:

JB RA.0,  $
JNB RA.0,  $
JB RA.0,  $

(Main code here, no jump)
[/quote]
The fastest conditional loop on the SX is 4 cycles (as in JB RA.0, $), but if the transition occurs right after the bit test, it will be 5 cycles until the next instruction. 3 for the jump back, 1 for the bit test, and 1 for the skip.

 

Two cycles would be best case, 5 cycles worst case.

 

Bean.

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