Spectrum Computer Tank Tops
Description: The ZX Spectrum is an 8-bit home computer that was developed by Sinclair Research. It was released in the United Kingdom on 23 April 1982, and became Britain's best-selling microcomputer. Referred to during development as the ZX81 Colour and ZX82, it was launched as the ZX Spectrum to highlight the machine's colour display, which differed from the black and white display of its predecessor, the ZX81. The Spectrum was released as six different models, ranging from the entry level with 16 KB RAM released in 1982 to the ZX Spectrum +3 with 128 KB RAM and built in floppy disk drive in 1987; altogether they sold over 5 million units worldwide (not counting unofficial clones).
Description: The ZX Spectrum is an 8-bit home computer that was developed by Sinclair Research. It was released in the United Kingdom on 23 April 1982, and became Britain's best-selling microcomputer. Referred to during development as the ZX81 Colour and ZX82, it was launched as the ZX Spectrum to highlight the machine's colour display, which differed from the black and white display of its predecessor, the ZX81. The Spectrum was released as six different models, ranging from the entry level with 16 KB RAM released in 1982 to the ZX Spectrum +3 with 128 KB RAM and built in floppy disk drive in 1987; altogether they sold over 5 million units worldwide (not counting unofficial clones).
Description: The ZX Spectrum is an 8-bit home computer that was developed by Sinclair Research. It was released in the United Kingdom on 23 April 1982, and became Britain's best-selling microcomputer. Referred to during development as the ZX81 Colour and ZX82, it was launched as the ZX Spectrum to highlight the machine's colour display, which differed from the black and white display of its predecessor, the ZX81. The Spectrum was released as six different models, ranging from the entry level with 16 KB RAM released in 1982 to the ZX Spectrum +3 with 128 KB RAM and built in floppy disk drive in 1987; altogether they sold over 5 million units worldwide (not counting unofficial clones).
Description: Impossible Mission is a video game originally for the Commodore 64 published by Epyx in 1984. The gameplay mechanics vary from platform to adventure and includes digitized speech. Impossible Mission casts the player in the role of a secret agent infiltrating an enemy stronghold, is widely considered one of the best games for several platforms.
Description: The Commodore 64 was a bestselling, 8-bit home computer from the 1980s. It was created by Commodore International, and it entered the market in 1982. Around 17 million units are believed to have been sold. The Commodore 64 is often credited with making personal computers popular amongst the masses. This quality sparked comparisons with the Ford Model T. The Commodore 64 was offered at relatively low prices and was available in malls, department stores, and toy stores instead of solely in the shops of authorized dealers.
![Z80 Microprocessor Instruction Set [black text, sorted down] Tank Top](https://images.teepublic.com/derived/production/designs/91706019_0/1777991943/i_m:bi_production_blanks_mbwst8xidnbwun9t4sui_1460136570,c_0_0_378x)
Description: Celebrate 50 years of the Z80 microprocessor (1976 to 2026), as used in many early home computers such as the TRS-80, and the Sinclair ZX80, ZX81, and ZX Spectrum. The instruction set shown in this design is sure to bring back memories of assembly language machine code) programming! This variant has black text with the mnemonics sorted down. Also available with white text and the mnemonics sorted across.
