Lambda 8300
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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). BASIC tokens have alternate codings, further 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.
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 tokens have alternate codings, further 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 different companies, with many rebranded models available in different 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, Sweden, Norway, Denmark) Your Computer PC 8300 (China, United States) DEF 3000 (France) Basic 2000 (Norway, Sweden, Finland) Marathon 32K (Norway, Denmark) Tonel PC (Italy, Germany) Unisonic Futura 8300 (United States) PC-81 Personal Computer (China) CAC-3 (China) Polybrain P118 (New Zealand) Creon Electronics Power 3000 (Hong Kong, Germany, Denmark, Canada) NF300 jiaoXueDianNao (China) Basic 2000 Basic 3000 PC 2000 ==References== ==External links== Old-computers.com Sinclairzxworld.com
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