At 15:58 03/30/99 -0600, Lawrence Lile wrote: >I'm comparing the assembly instructions: > // CLRF X is implied - I make sure X is always zero at this >Racing them against ANY of the looping instructions in C - such as >for (X = 0; x < 256; x++) >for(x = 255; x > 0; x--) both of these do not imply x to have some sensible value, therefore they have to set it, which takes some of the overhead. >Is there a C instruction that can make a nice tight loop that takes up 2 >bytes of ROM and executes 256 times? that wouldn't be a "c instruction", because this depends a whole lot on the compiler and the optimizations it performs. ge