vic-20

Variable substitution faster than in-line integer in Vic-20 basic?

The following two (functionally equivalent) programs are taken from an old issue of Compute's Gazette. The primary difference is that program 1 puts the target base memory locations (7680 and 38400) in-line, whereas program 2 assigns them to a variable first. Program 1 runs about 50% slower than program 2. Why? I would think that the e...