For the most part, the North American Plate moves in roughly a southwest direction away from the Mid-Atlantic Ridge at a rate of about 2.3 centimeters (~1 inch) per year. At the same time, the Pacific Plate is moving to the northwest at a speed of between 7 and 11 centimeters (~3-4 inches) a year.
MASM 1.06, ostensibly from 1982, can cleanly assemble all of the GW-BASIC source files, with no syntax errors and no running out of memory.