R6500-12 - One-Chip Microcomputers
R6500-12 Features
* Enhanced 6502 CPU -Four new bit manipulation instructions: Set Memory Bit (SMB) Reset Memory Bit (RMB) Branch on Bit Set (BBS) Branch on Bit Reset (BBR) -Decimal and binary arithmetic modes -13 addressing modes -True indexing
* 3K-byte mask-programmable ROM (R6500/11, R6500/12)