FLASH- RAM- Speed+
When FSRx content is preserved then it can be used as a general 16-bit variable to save RAM and avoid MOVLBs. Also because of ADDFSR instruction adding/subtracting small constant numbers is very efficient.
.
|
uns16 loop16 = 1000; uns8 var8; do { var8 = getTemperature(); // use loop16 and var8 loop16 -= 5; } while ( loop16 != 0 ); |
FSR0 = 1000; uns8 var8 @ FSR1L; do { var8 = getTemperature(); // use FSR0 and var8 FSR0 -= 5; } while ( FSR0 != 0 ); |