Tag Archives: Z80 Microprocessor

Z80 I/O Space

A very interesting feature of the Z80 microprocessor is that it has separate memory and I/O space. Separated memory and I/O space means that instead of having to treat your peripherals as a memory address in between your other actual … Continue reading

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Z80 Interrupts

The Z80 microprocessor supports three interrupts modes; 0, 1, and 2. In interrupt mode 0 the Z80 gets an instruction from the data bus given by the peripheral and executes it. This instruction is normally RST0 -> RST7 which resets … Continue reading

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Z80 Memory Space

Memory is the fuel of a system. The memory is where instructions and data are stored. There are many types of memory, but for simplicity we will specifically be considering parallel ROM and RAM devices.

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Z80 External Hardware Model

The Z80 Microprocessor is an 8-bit microprocessor that comes in many package types and has 40 usable pins. These pins make up the power, address bus, data bus, control signals, and clock that run a system. There are 2 power … Continue reading

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Z80 Journal

This journal will randomly document things I have learned about the Z80 Microprocessor as I either learn or are am interested in them. I hope to randomly aggregate material and present it as a boiled down version of the topic … Continue reading

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