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Z80 Computer Pdf
Output ports, Z80 CPU control, refresh alarm, more memory. Page 4 has a lot of the stuff to interface the graphics display circuit to the Z80 CPU. I map 8 output ports to I/O 0-7 of the processor using the 3-8 decoder IC15. A D-type flip-flop IC16a controls CPU access to the graphics circuit. The Z80-MBC2 has a multi-boot capability and can run CP/M 2.2, QP/M 2.71 and CP/M 3 (128KB banked memory supported), so you can use a very large amount of SW with it (e.g. You can easily find Basic, C.
Z80 Computer Pcb
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RC2014 is a simple 8 bit Z80 based modular computer originally built to run Microsoft BASIC. It is inspired by the home built computers of the late 70s and computer revolution of the early 80s. Zilog Z80 microprocessor is an 8-bit CPU object-code compatible with Intel 8080 CPU. The Z80 includes full set of 8080 registers and instructions, and supports 8080 interrupts. In addition to that, the Z80 has many enhancements: 80 new instructions, including block transfer, bit and string manipulation instructions. The Z80 CPU is clocked by a 4 MHz TTL oscillator module. Next to the CPU, there is a 128 Kilobyte static RAM chip, of which the Z80 uses 64 Kilobytes, the maximum it can address. The RAM is battery buffered, so it can remanently store the programs and data.