Monthly Archives: April 2015

Z80 Interrupts and Strings

Now that our system has a stack it will be much easier to test code out. One such test is to get interrupts to work between the Z80 microprocessor and the UART. This will free up the system from polling … Continue reading

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Z80 RAM and Stack Test

The Z80 system we have built to date only has the ability to run code from read-only memory. Read-only memory, as the name implies, is only readable and not writable which creates a problem for us. For instance, to use … Continue reading

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