// Fill the first n elements of a global i16 array.  Exercises the
// store-side of the W65816UnLSR + STA_AbsX combine for global-array
// loops.
unsigned short globalArrF[100];

void globalArrFill(unsigned short n) {
    for (unsigned short i = 0; i < n; i++) globalArrF[i] = i + 1;
}