Unless there's a memory error (which is hooked up to the NMI line), or on the PCjr, a key was hit on the keyboard (which was hooked up to the NMI). Neat hack t

Unless there's a memory error (which is hooked up to the NMI line), or on the PCjr, a key was hit on the keyboard (which was hooked up to the NMI). Neat hack though (and question: why do I remember this stuff?)