Ivel Ultra on:
[Wikipedia]
[Google]
[Amazon]
The Ivel Ultra was an 8-bit Croatian Apple II compatible 
computer
A computer is a machine that can be programmed to Execution (computing), carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as C ...
designed by Branimir Makanec
Branimir Makanec (born 17 May 1932) is a Croatian computer engineer and programmer. Outside of his research work, he is also known in his native country as a pioneering advocate for computer literacy amongst school-aged children.
Background and e ...
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
The Apple Computer 1, originally released as the Apple Computer and known later as the Apple I or Apple-1, is an 8-bit desktop computer released by the Apple Computer Company (now Apple Inc.) in 1976. It was designed by Steve Wozniak. The idea ...
compatible BASIC
BASIC (Beginners' All-purpose Symbolic Instruction Code) is a family of general-purpose, high-level programming languages designed for ease of use. The original version was created by John G. Kemeny and Thomas E. Kurtz at Dartmouth College ...
language. The operating system, called IDOS, is compatible with Apple DOS
Apple DOS is the family of disk operating systems for the Apple II series of microcomputers from late 1978 through early 1983. It was superseded by ProDOS in 1983. Apple DOS has three major releases: DOS 3.1, DOS 3.2, and DOS 3.3; each one of t ...
3.3.
The Ivel Ultra could be equipped with a second Zilog Z80 processor, in order to offer compatibility with the CP/M
CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for Intel 8080/ 85-based microcomputers by Gary Kildall of Digital Research, Inc. Initial ...
operating system.
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
Personal computers {{Croatia-stub