Ivel Ultra
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 is an 8-bit Croatian Apple II compatible computer designed by Branimir Makanec and developed by Ivasim Electronika in the 1984s.
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. 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.