Originally Posted by hap
G&W Mickey & Donald is using SM510 opcodes I don't fully understand and are documented differently across different SM510 series datasheets. It can mean either a mistake in the datasheet, or they differ between SM510 and SM511. (opcodes are: LB x and SBM)

The 1990 Sharp Microcomputer Data Book lists both MCUs and LB does indeed differ between SM510 and SM511.

cYa,

Tauwasser