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HP-86B with 9121 dual diskette drive The first model of the Series 80 was the HP-85, introduced in January 1980. Plagin zvuki pri ubijstve zhenskim golosom ks 16. Wrote 'we were impressed with the performance.

The graphics alone make this an attractive, albeit not inexpensive, alternate to existing small systems on the market. It is our guess that many personal computer experimenters and hackers will want this machine'.

In a typewriter-style desktop case, the $3250 HP-85 contains the CPU and keyboard, with a ROM-based operating system (like the 9800 series), 16, a 5-inch screen (16 lines of 32 characters, or 256×192 ), a tape drive for cartridges (210 capacity, 650 /s transfer), and a thermal printer. Both the screen and printer display graphics in addition to text, and the printer can copy anything shown on the screen. The chassis includes four module slots in the back for expansion which can hold memory modules, ROM extensions, or interfaces such as. All components were designed at the Hewlett-Packard Personal Computer Division in, including the processor and core chipset. Later models offered variations such as different or external displays, built-in interfaces or a rack-mountable enclosure (see table below for details). The machines were built around an HP-proprietary code-named “” running at 625 kHz (0.6 MHz, sic) and had a BASIC interpreter in ROM (32 kB). Programs could be stored on DC-100 cartridge tapes or on external disk/tape units.

Despite the comparatively low processor clock frequency, the machines were quite advanced compared to other desktop computers of the time, in particular regarding software features relevant to technical and scientific use. The standard number representation was a format with a 12-digit (decimal) and up to ±499. Steinberg nuendo live crack free. The interpreter supported a full set of scientific functions (, etc.) at this accuracy.

The language supported two-dimensional arrays, and a ROM extension made high-level functions such as and available. For the larger HP-86 and HP-87 series, HP also offered a plug-in processor card with a separate processor. Historical context [ ] The late 1970s saw the development of inexpensive home computers such as the Apple and TRS-80. Had developed the Apple computer with the idea of a computer that worked in BASIC when it was turned on, and offered HP rights to the Apple computer. He was turned down and was given a legal release. In an interview he did note that soon after that, the calculator division was starting an 8-bit computer project called Capricorn, and he wasn't allowed to work on that project. Ultimately, the market for desktop computing would go to personal computers with a floppy disk drive based operating system, and an industry standard Intel 8088 processor (the was announced shortly after the 80 series).

82936A drawer with three ROM modules Note: The HP-86/87 series used different ROMs (yellow labelling) from the 85/83 models (white labelling). 83/85 86/87 Function Description ID 3 3 I/O Access, serial and parallel (GPIO) interfaces 192 1 built-in Mass Storage Access ' compatible diskette/disk drives on GPIB. Built into 85B and all 86/87 models. 208 2 2 Printer / Plotter Support for external printer/plotter (on 86/87 needed for plotter only) 240 5 5 Advanced Programming Extended commands 232,231 n/a 2 Electronic Disk Use part of, built into 85B, 86B. 209 4 4 Matrix Mathematical matrix operations including inversion (solving linear equation systems) 176 n/a 4 Matrix 2 Additional matrix operations 177 7 7 Assembler Edit and assemble Series 80 assembler source 40 n/a 1 MIKSAM Indexed file record management 14 3 3 EMS Extended Mass Storage, access to SS-80 compatible mass storage 207 2 2 Service - System Diagnostic routines for service/maintenance 224?

3 Service - HPIB Diagnostic routines for service/maintenance 225 98151A n/a Program development Support HP-9915 front panel, or to emulate it on an 83/85 8 n/a AKSO-Sysext Sysext System-Extension: structured programming, self modifying code, low level programmierung, made by Andre Koppel Software 56 Hardware extensions [ ]. Rear of an HP-85B showing the four extension slots 82936A drawer for up to six of the above ROMs (max one per unit) 82903A 16 K memory module, for HP-85A only (max one per unit) 82908A 64 K memory module, for HP-85B or HP-9A 128 K memory module, for HP-85B or HP-0A System (for HP-86/87 only). Contains a microprocessor and 64 dedicated RAM. 82928A System monitor for assembly development. Sets break-points for debugging. 82929A Programmable ROM drawer for standard Interfaces [ ]. 82940A GPIO Interface, enclosure removed The interface modules for the series 80 were built around a proprietary bus interface chip connecting a standard to the main bus.