myArray VAR BYTE[3]

myArray[0] = 1
myArray[1] = 127
myArray[2] = 255

SHIFTOUT PORTB.0, PORTB.1, 1, [myArray\24]

Prediction:
The above code will shift out the following:
00000000 00000000 00000001

With myArray[0] = 127:
00000000 00000000 01111111

With myArray[0] = 255:
00000000 00000000 11111111

The values in myArray[1] and myArray[2] have no effect on the outcome.