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PDP-1 - MAME machine

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pdp1
PDP-1
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GAME SYSTEM CHD BIOS DEVICE PARENT CLONE MECHANICAL SCREENLESS

Main data
Romset and name:
pdp1 PDP-1
Short name:
PDP-1
Manufacturer:
Digital Equipment Corporation
Year:
Genre:
Computer
Category:
Computer / Punched Car
Serie:
-
Driver source:
Language:
-
Similar games:
Input / Controls
Players:
Up to 2 players
Input:
Joystick 2 ways (horizontal), Trackball, Keyboard
Buttons / keys:
Coins:
0
Cabinet:
-
Free-play:
Not supported
Rankings
Average user rating:
AntoPISA BestGame:
-
MASH All-Time:
-
Video
Display:
896x672@60 Hz, CRT 31kHz
Orientation:
Horizontal
Scrolling:
Unknown
Colors:
-
CPU:
DEC PDP-1 Central Processor
Audio
Sound:
-
Audio chips:
Romset
First release:
Mess 0.2b4 released on aug-12 1998
Last release:
Mame 0.236 released on sep-28 2021
Clone of:
-
Bios:
Not required
Use rom of:
-
Use sample of:
-
Previous romset:
None
New romset:
None
Files
Dump:
-
Required files:
-
Romset:
-
Status
OVERALL:
GOOD
Emulation:
Good
Graphic:
Good
Color:
Good
Sound:
Good
Cocktail:
Good
Protection:
Good
Save state:
Unsupported
Additional infos
  • History
  • Info
  • Score
  • PCB
  • Commands
  • Init
  • Driver
  • XML
  • Computer published 60 years ago:

    PDP-1 © 1961 Digital Equipment Corp.

    TECHNICAL
    The PDP-1 used an 18-bit word size and had 4096 words as standard main memory (equivalent to 9,216 eight-bit bytes, though the system actually used six-bit bytes), upgradable to 65536 words. The magnetic core memory's cycle time was 5 microseconds (corresponding roughly to a clock speed of 200 kilohertz); consequently most arithmetic instructions took 10 microseconds (100,000 operations per second) because they used two memory cycles: one for the instruction, one for the operand data fetch. Signed numbers were represented in one's complement. The PDP-1 had computing power roughly equivalent to a 1996 pocket organizer and a little less memory.

    The PDP-1 used 2,700 transistors and 3,000 diodes. It was built mostly of DEC 1000-series System Building Blocks, using micro-alloy and micro-alloy diffused transistors with a rated switching speed of 5 MHz. The System Building Blocks were packaged into several 19-inch racks. The racks were themselves packaged into a single large mainframe case, with a hexagonal control panel containing switches and lights mounted to lie at table-top height at one end of the mainframe. Above the control panel was the system's standard input/output solution, a punch tape reader and writer.

    TRIVIA
    The PDP-1 (Programmed Data Processor-1) was the first computer in Digital Equipment Corporation's PDP series. It is famous for being the computer most important in the creation of hacker culture.

    The design of the PDP-1 was based on the pioneering TX-0 computer, designed and built at MIT Lincoln Laboratory. After building prototype models in December 1959, DEC delivered the first PDP-1 to Bolt, Beranek and Newman (BBN) in November 1960 and it was formally accepted the next April. In 1961, DEC donated the engineering prototype PDP-1 to MIT, where it was placed in the room next to its ancestor, the TX-0 computer, which was by then on indefinite loan from Lincoln Laboratory. In this setting, the PDP-1 quickly replaced the TX-0 as the favorite machine among the budding hacker culture, and served as the platform for a wide variety of 'firsts' in the computing world. Perhaps best known among these is one of the first computerized video games, Spacewar!, but among the list are the first text editor, word processor, interactive debugger, the first credible computer chess program, and some of the earliest computerized music.

    STAFF
    Lead engineer: Benjamin Gurley

    CONTRIBUTE
    Edit this entry: https://www.arcade-history.com/?&page=detail&id=102940&o=2
    Informations provided by © Alexis Bousiges
    Informations provided by Contribute to the translation
  • Informations provided by
    Informations provided by / © Copyright of Fujix
  • Informations provided by
  • Informations provided by
  • Informations provided by Fabricio Coroquer, revisited from the work of
    NOTICE: The short version was discontinued in November 2019
  • Informations provided by Contribute
  • Informations provided by
  • Informations provided by
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If you notice any inaccuracy or error, please report

Data updated on september 30 2021


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pdp1
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PDP-1
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