X-Nico

unusual facts about Vic 20



Composite monitor

From the late 1970s stand-alone composite monitors came into use, including by the Apple II, Commodore VIC 20/64/128, Atari, the IBM PC with CGA card, some computers compatible with it, and other home and business computers of the 1980s.

Nintendo S-SMP

The Sony SPC 700 is the S-SMP's integrated 8-bit CPU core manufactured by Sony with an instruction set similar to that of the MOS Technology 6502 (as used in the Commodore 64 and Vic 20, Apple II, BBC Micro and the original NES).


see also

Commodore 1571

Although this originally had been planned when Commodore first switched from the parallel IEEE-488 interface to a custom serial interface, hardware bugs in the VIC-20's 6522 VIA shift register prevented it from working properly.

Commodore 16

The TI-99/4A was priced in-between Commodore's VIC-20 and Commodore 64, and was somewhat between them in capability, but TI was lowering its prices.

IBM System/36 BASIC

System/36 BASIC was first offered in 1983, and as such, contained many of the trappings that a BASIC program would have encountered in the time period of the IBM PC, the Commodore 64, the VIC-20, the TRS-80, or many other offerings of the Seventies and early Eighties.

Toronto PET User's Group

TPUG supports nearly all Commodore computers, including the PET, SuperPET, CBM, B128/256/1024, VIC-20, C64, C128, Plus/4, C16, C65 and Amiga, and including the COMAL, CP/M and GEOS environments.