The Commodore VIC 20 was the Arduino of the 80s. This was because the VIC 20 was quite inexpensive, since it didn't have any fancy sound or graphics features like other computers of this time. But it had 8 digital IO pins and two analog inputs that could be used for all sorts of control purposes. In this video I show how to use those nowadays and find out if their performance can keep up with an Arduino.
Software used in this video:
CBM Prg Studio: [ Ссылка ]
Wav-Prg: [ Ссылка ]
Vice Emulator: [ Ссылка ]
Tools:
Camera: [ Ссылка ]
USB Oscilloscope: [ Ссылка ]
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0:00 Introduction
0:15 The VIC-20's hardware and interfaces
1:22 The convenient way of using and programming a VIC-20
4:20 VIC-20 vs. Arduino, which one is easier to use?
4:42 The MOS 6522 (VIA) digital IOs
7:12 VIC-20 vs. Arduino: IO speed
8:09 PWM generation with the MOS 6522 (VIA)
10:53 VIC-20 vs. Arduino: PWM speed
11:12 Analog-Digital converter of the VIC-20
12:27 VIC-20 vs. Arduino A/D converter
12:49 Conclusion
