Hobby ZR-84 explained

Hobby ZR-84 was an educational and home computer developed by MICROSYS Beočin in SFRY (now Serbia) in 1984.^[1]

Specifications

Source:^[2]

• CPU: Z80A running at 4 MHz
• ROM: 12 KB BASIC
• Primary memory: 16 KB (expandable up to 48 KB)
• Secondary storage: cassette tape, floppy drive
• Display: text mode 16 lines with 64 characters each; low-res graphics mode 128x48
• Sound: separate board
• I/O ports: composite and RF video, cassette tape storage, and expansion connector

External links

• http://forum.benchmark.rs/showthread.php?323083-Hobby-ZR-84-intervju

Notes and References

1. News: HOBBY ZR-84, kućni računar iz 'male privrede'. . December 1984. Svet Kompjutera. 14. 8 November 2016. Serbian.
2. News: Moćni mališa. Powerful little guy. Popović. Stanko. January 1985. Svet Kompjutera. 18-19. 8 November 2016. Serbian.