 Ivel Ultra Model 2 | |
| Developer | Branimir Makanec |
|---|---|
| Manufacturer | Ivasim Electronika |
| Type | Home computer |
| Generation | 8-bit |
| Release date | 1984 |
| Discontinued | 1990 |
| Operating system | IDOS, CP/M (with second Z80 CPU) |
| CPU | MOS Technology 6502 at 1 MHz |
| Memory | 64 KB |
| Removable storage | 5.25" floppy disks |
| Display | 280 x 192 pixels, 6 colors |
| Backward compatibility | Apple II |
The Ivel Ultra was an 8-bit Croatian Apple II compatible computer designed by Branimir Makanec and developed by Ivasim Electronika in the 1984s.[1][2][3][4][5][6]
It was produced in two different versions: the first version has a brown case and ran from 1984 to 1986, the second has a white case and ran from 1987 to 1990.
The machine was equipped with one or two 5.25" floppy disk drives. It came with an Apple I compatible BASIC language.[2] The operating system, called IDOS, is compatible with Apple DOS 3.3.
The Ivel Ultra could be equipped with a second Zilog Z80 processor, in order to offer compatibility with the CP/M operating system.
Ivel Ultra model 1
Specifications
- CPU: MOS Technology 6502 at 1 MHz
- ROM: 12 KB (BASIC language interpreter and machine language monitor)
- RAM: 64 KB
- Graphic mode: 280 x 192 pixels, 6 colors
- Text mode: 40 x 24
- Operating system: IDOS, compatible with Apple DOS 3.3, CP/M (with an added Z80 CPU)
References
- ↑ Telegram.hr. "Možda ovo niste znali, ali nekad smo proizvodili dosta divne kompjutere. Evo malog podsjetnika na najbolje". Telegram.hr (in Croatian). Retrieved 2021-01-10.
- 1 2 "Ivel Ultra Ivasim elektronika". www.old-computers.com. Retrieved 2023-03-30.
- ↑ Cicvarić, Božo. "Ivel Ultra". European Young Engineers Croatia (in Croatian). Retrieved 2023-03-30.
- ↑ "HCM: East-European Home-Computer ..." www.homecomputer.de. Retrieved 2023-03-30.
- ↑ "ivel ultra (retro računalo)". www.njuskalo.hr (in Croatian). Retrieved 2023-03-30.
- ↑ Bodrato; Caruso; Cignoni (2018). Discovering Eastern Europe PCs by Hacking Them … Today (PDF). IFIP International Conference on the History of Computing (HC). pp. 6, 14.
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