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Z80 CPUs were also used in the trailblazing and popular TI-8x series of graphing calculators from Texas Instruments, beginning in 1990 with the TI-81, which features a Z80 clocked at 2 MHz. Most higher-line calculators in the series, starting with the TI-82 and TI-85, clock their Z80 CPUs at 6 MHz or higher. (A few models with TI-8x names use ...
Zilog eZ80 @ 48 MHz 256 KB of RAM (154 KB user accessible), 4 MB of Flash ROM (3 MB user accessible) 320×240 pixels 26×10 characters (large font) 7.6 × 3.4 × 0.75: No 2015 150 Allowed Allowed TI-85: Zilog Z80 @ 6 MHz 28 KB of RAM 128×64 pixels 21×8 characters 6.875 x 3.31 x 0.938: No 1992 130 Allowed Allowed TI-86: Zilog Z80 @ 6 MHz
All of the major 8-bit CPUs were tested, including the Intel 8080, Zilog Z80, Motorola 6800 and MOS 6502. For comparison, they also ran it on a CDC Cyber 174 supercomputer, which is so fast that they had to add code to time the run using the system's clock as they could not operate a stopwatch quickly enough. They used this machine for two ...
The Z80 was a common choice for creators of video games during the Golden age of arcade video games, with a Z80 powering Pac-Man, [19] dual Z80s in Scramble, [20] and three in each Galaga machine. [21] It was the central processor for the ColecoVision game console (1982) and Sega's Master System (1986) and Game Gear (1990).
Other advantages over the TI-80 are the TI-73's standard sized screen (as opposed to the TI-80's smaller screen), the addition of a link port, 25 KB of RAM (as compared to the TI-80's 7 KB of RAM), and a faster 6 MHz Zilog Z80 processor (as compared with the TI-80's 980 kHz proprietary processor). The TI-73 also uses the standard 4 AAA ...
The Zilog eZ80 is an 8-bit microprocessor designed by Zilog as an updated version of the company's first product, the highly-successful Zilog Z80. The eZ80 is binary compatible with the Z80, but operating almost three times faster at the same clock frequency .
The TI-86 uses the Zilog Z80 microprocessor. It is partially backwards-compatible with its predecessor, the TI-85 . In addition to having a larger screen than the TI-83 , the TI-86 also allows the user to type in lower case and Greek letters and features five softkeys, which improve menu navigation and can be programmed by the user for quick ...
The TI-82 is powered by the same processor that powered its cousin, the TI-85, a 6 MHz Zilog Z80 microprocessor. [3] This was an improvement over the TI-81 's 2 MHz Z80 processor. In addition, the available RAM was increased more than tenfold – from 2400 bytes to 28734 bytes (slightly more than the TI-85 ).