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The Lambda 8300 was a Sinclair ZX81 clone from ''Lambda Electronics Limited'' of Hong Kong. It had a modified ROM (including extra semigraphic characters) and extra hardware, making it not fully compatible. Total compatibility could be achieved by installing a ZX81 ROM.
It came with 2K RAM (expandable to 16K or 32K), three octave single voice sound (generated by a C4005 ULA I/O chip) and an Atari joystick port. Specifically, it used a NEC D780C-1 (Z80A clone) microprocessor at 3.25 MHz.
The character set was slightly altered from the ZX81, replacing some symbols with game graphics (see below).
Old-computers.com
Sinclairzxworld.com
{{Sinclair computers and clones Z80-based home computers Sinclair ZX81 clones
The Lambda 8300 was a Sinclair ZX81 clone from ''Lambda Electronics Limited'' of Hong Kong. It had a modified ROM (including extra semigraphic characters) and extra hardware, making it not fully compatible. Total compatibility could be achieved by installing a ZX81 ROM.
It came with 2K RAM (expandable to 16K or 32K), three octave single voice sound (generated by a C4005 ULA I/O chip) and an Atari joystick port. Specifically, it used a NEC D780C-1 (Z80A clone) microprocessor at 3.25 MHz.
The character set was slightly altered from the ZX81, replacing some symbols with game graphics (see below). 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 ...
tokens have alternate codings, preventing 100% compatibility with the ZX81. Command input is done key by key (not by keyword entry like on the ZX81).
The computer was somewhat successful in Northern Europe (mostly in Denmark and Norway) and China, and today enthusiasts still develop new hardware.
The Lambda 8300 can be emulated on modern systems using, for example, the ''EightyOne Sinclair Emulator'' or '' MAME''.
Models
The machine was licensed to several diferent companies, with many rebranded models available in diferent markets. Unisonic distributed it as the Futura 8300 in the US. In France it was available as the DEF 3000. Known model designations: *Lambda 8300 ( Hong Kong, United Kingdom,Sweden
Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on ...
, Norway, Denmark)
*Your Computer PC 8300 (China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
, United States)
*DEF 3000 ( France)
*Basic 2000 ( Norway, Sweden
Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on ...
, Finland)
*Marathon 32K ( Norway, Denmark)
*Tonel PC (Italy, Germany)
*Unisonic Futura 8300 ( the United States of America)
*PC-81 Personal Computer (China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
)
*CAC-3 (China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
)
*Polybrain P118 ( New Zealand)
*Creon Electronics Power 3000 ( Hong Kong, Germany, Denmark, Canada)
*NF300 jiaoXueDianNao (China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
)
*Basic 3000
*PC 2000
Character set
The character set was slightly altered from the ZX81, replacing the ,, ?, £, and ' symbols with game graphics: , , and .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 ...
tokens also have alternate codings.
References
External links
Old-computers.com
Sinclairzxworld.com
{{Sinclair computers and clones Z80-based home computers Sinclair ZX81 clones