The Tulip System I is a 16-bit

personal computer A personal computer (PC) is a multi-purpose microcomputer whose size, capabilities, and price make it feasible for individual use. Personal computers are intended to be operated directly by an end user, rather than by a computer expert or tec ...

based on the

Intel Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California. It is the world's largest semiconductor chip manufacturer by revenue, and is one of the developers of the x86 seri ...

8086 The 8086 (also called iAPX 86) is a 16-bit microprocessor chip designed by Intel between early 1976 and June 8, 1978, when it was released. The Intel 8088, released July 1, 1979, is a slightly modified chip with an external 8-bit data bus (allowi ...

and made by

Tulip Computers Tulip Computers NV was a Dutch computer manufacturer that manufactured PC clones. History It was founded in 1979 as ''Compudata'', as an importer of American microcomputers. Compudata was the distributor for Europe for the Exidy Sorcerer, a Zi ...

, formerly an import company for the

Exidy Sorcerer The Sorcerer is a home computer system released in 1978 by the video game company Exidy. Based on the Zilog Z80 and the general layout of the emerging S-100 standard, the Sorcerer was comparatively advanced when released, especially when compar ...

, called ''Compudata Systems''. Its

Motorola 6845 The Motorola 6845, or MC6845, is a display controller that was widely used in 8-bit computers during the 1980s. Originally intended for designs based on the Motorola 6800 CPU and given a related part number, it was more widely used alongside v ...

-based

video display controller A video display controller or VDC (also called a display engine or display interface) is an integrated circuit which is the main component in a video-signal generator, a device responsible for the production of a TV video signal in a computing ...

could display 80×24 text in 8 different fonts for supporting different languages, including a (

Videotex Videotex (or interactive videotex) was one of the earliest implementations of an end-user information system. From the late 1970s to early 2010s, it was used to deliver information (usually pages of text) to a user in computer-like format, typi ...

-based) font for 2×3 pseudo graphic symbols for displaying 160×72 pixel graphics in

text mode Text mode is a computer display mode in which content is internally represented on a computer screen in terms of characters rather than individual pixels. Typically, the screen consists of a uniform rectangular grid of ''character cells'', each ...

. The video display generator could also display graphics with a 384×288 or 768×288 (color) or 768×576 (monochrome) pixel resolution using its built-in

NEC 7220 is a Japanese multinational information technology and electronics corporation, headquartered in Minato, Tokyo. The company was known as the Nippon Electric Company, Limited, before rebranding in 1983 as NEC. It provides IT and network soluti ...

video display

coprocessor A coprocessor is a computer processor used to supplement the functions of the primary processor (the CPU). Operations performed by the coprocessor may be floating-point arithmetic, graphics, signal processing, string processing, cryptography o ...

, which had hardware supported drawing functions, with an advanced set of bit-block transfers it could do line generating, arc, circle, ellipse, ellipse arc, filled arc, filled circle, filled ellipse, filled elliptical arc and many other commands. Its memory can be upgraded in units of 128 KB up to 896 KB (much more than the 640 KB of the original PC). It included a SASI hard disk interface (a predecessor of the

SCSI Small Computer System Interface (SCSI, ) is a set of standards for physically connecting and transferring data between computers and peripheral devices. The SCSI standards define commands, protocols, electrical, optical and logical interface ...

-standard) and was optionally delivered with a 5 MB or 10 MB hard disk. The floppy disk size was 400 KB (10 sectors, instead of 8 or 9 with the IBM PC) or 800 KB (80 tracks). It runs at 8 MHz with a true 16-bit CPU, almost twice the speed of the

IBM PC XT The IBM Personal Computer XT (model 5160, often shortened to PC/XT) is the second computer in the IBM Personal Computer line, released on March 8, 1983. Except for the addition of a built-in hard drive and extra expansion slots, it is very simila ...

which was launched only a few months earlier in July 1983. It has the possibility to use an

Intel 8087 The Intel 8087, announced in 1980, was the first x87 floating-point coprocessor for the 8086 line of microprocessors. The purpose of the 8087 was to speed up computations for floating-point arithmetic, such as addition, subtraction, multiplicati ...

math coprocessor, which increased the speed to > 200 kflops, which was near mainframe data at that time. After initially using

CP/M-86 CP/M-86 was a version of the CP/M operating system that Digital Research (DR) made for the Intel 8086 and Intel 8088. The system commands are the same as in CP/M-80. Executable files used the relocatable .CMD file format. Digital Research als ...

, it quickly switched to using generic

MS-DOS MS-DOS ( ; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few ope ...

2.00. There was a rudimentary

IBM BIOS In computing, BIOS (, ; Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS) is firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the b ...

-emulator, which allowed the user to use

WordStar WordStar is a word processor application for microcomputers. It was published by MicroPro International and originally written for the CP/M-80 operating system, and later written also for MS-DOS and other 16-bit PC OSes. Rob Barnaby was the sol ...

and a few other IBM-PC software, but ''Compudata B.V.'' shipped WordStar and some other software as adopted software for this computer. There was programming support by ''Compudata B.V.'' with MS-Basic, MS-Pascal and MS-Fortran. On a private base, TeX and

Turbo Pascal Turbo Pascal is a software development system that includes a compiler and an integrated development environment (IDE) for the Pascal (programming language), Pascal programming language running on CP/M, CP/M-86, and DOS. It was originally develo ...

were ported to the Tulip System I.

References

External links

Tulip I on web site of the Dutch Tulip association (in Dutch)A user's personal experience with a Tulip System-I
IBM PC compatibles {{computer-stub