Example image of eyePlorer eyePlorer map for 'MOS Technology 6522': Integrated circuit MOS Technology Rockwell Second source Synertek MOS Technology 6502 Peripheral Interface Adapter Shift register Timer Apple III BBC Micro Commodore International Macintosh Handshaking Interrupt Multivibrator Square wave Motorola 68000 WDC 65C22 MOS Technology SPI Fast loader Intel 8255 Macintosh 128K/512K technical details List of acronyms and initialisms: V Commodore 1571 AIM-65 VIA Commodore 1541