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

I'm using a single wire serial connection to send data to an LCD. I also am using an interrupt to count down a timer. Of course, the interrupt or the timer is interferring with the serial info going to the LCD.
 

I believe I have to count the clock cycles for each instruction and each possible path through the interrupt. They all need to spend the same amount of time in the interrupt. Then, I need to adjust the timing of the next interrupt and take into account the time spent in the interrupt.

 

But, how exactly do I find out how long the interrupt takes? I have Gunther's book and he explains it well, but it is for using assembly, not SX/B. Do I need to look at the assembly breakdown of the SX/B and then add it all up?

 

Help me Obi-Wan....

Dan

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