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The Intel 8080 ("eighty-eighty") is the second 8-bit microprocessor designed and manufactured by Intel. It first appeared in April 1974 and is an extended and enhanced variant of the earlier 8008 design, although without binary compatibility . [ 3 ]
IMSAI VDP-40 desktop computer of 1977-1979. Intel 8085, 32/64KB RAM, 2× FDD 80/160KB, S-100 bus. 2KB monitor ROM, 2KB Video ROM. The IMSAI 8080 is an early microcomputer released in late 1975, based on the Intel 8080 (and later 8085) and S-100 bus. [1] It is a clone of its main competitor, the earlier MITS Altair 8800. The IMSAI is largely ...
Intel 8080: 1977: complete board: A trainer type single-board-computer. As recently as 2008, it remained in academic use. [6] As of 2011, the MPT8080 was still available for sale. Rockwell AIM-65: 6502: 1978: complete board: Synertek SYM-1: 6502: 1978: complete board: Intel SDK-85: Intel 8085: 1978: Tesla PMI-80: Intel 8080 clone: 1982 ...
Intel 8080 @ 2 MHz The Altair 8800 is a microcomputer designed in 1974 by MITS and based on the Intel 8080 CPU . [ 2 ] Interest grew quickly after it was featured on the cover of the January 1975 issue of Popular Electronics [ 3 ] and was sold by mail order through advertisements there, in Radio-Electronics , and in other hobbyist magazines.
In April 1974, Intel released the 8080 microprocessor that Roberts felt was powerful enough for his computer kit, but each 8080 chip sold for $360 in small quantities. [24] Roberts felt that the price of a computer kit had to be under $400; to meet this price, he agreed to order 1,000 microprocessors from Intel for $75 each. [25]
The DAI was based on a very early 8-bit microprocessor, the Intel 8080 A, a CPU that was more advanced than the prior 8008. It contained on a single printed circuit board all the needed circuitry, some 120 individual ICs. The futuristic-looking white enclosure also held a high quality keyboard, which was uncommon for the time.
Mirroring the development in the West, where the Intel 8080 was succeeded by the binary compatible Intel 8085 and Zilog Z80 as well as the source compatible Intel 8086, the Soviet Union produced the IM1821VM85A (ИМ1821ВМ85А, actually the CMOS version Intel 80C85), KR1858VM1 (КР1858ВМ1), and K1810VM86 (К1810ВМ86), respectively. [9]
The project had started in late 1975, but the "Open Letter" motivated many hobbyists to participate. Computer clubs and individuals from all parts of the United States and the world soon created Tiny BASIC interpreters for the Intel 8080, the Motorola 6800 and MOS Technology 6502 processors. The assembly language source code was published or ...