42!! Lucky number! NOT 84! (Even though it came out in '84, that's immaterial!)
The ONLY Macintoshes that ran at 512x384 were the 1990 Mac LC and IIsi with the 12" screen, and the Color Classic and perhaps other related later all-in-ones.
ALL MONOCHROME COMPACT MACS HAD 512x342 RESOLUTION SCREENS.
