Tag Archives: Z80

Assembler trick: inline strings

Quite often, we need to send strings to a computer. Usually, there is a section in your code where you define the message with a label: ;string is terminated with null MsgHelloWorld: .asciz “Hello World!\r\n” ;subroutine to print strings putstr: … Continue reading

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AVR Man and Wasteman

For those reading my previous post, I’m still alive! (And human!) While I’m tinkering with various processors, one of my favorites is the Atmel microcontrollers. A while ago, they had some comicbook style hero called AVR Man and his nemesis … Continue reading

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Z80 Monsputer

I began to put together all the Z80 projects I made. It resulted in something big, ugly and it’s alive! (evil laugh) I’ve nicknamed it: “the Z80 Monsputer”. I’m considering giving it a scarier look. Ideas welcome!  

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Floating point routines for Z80 in assembler follow-up

I finished the math routines and added some others for doing trigs and logs with the CORDIC algorithms. I made it run on a real Z80 and a TRS80 emulator.

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Floating point routines for Z80 in assembler

I’m currently writing some floating point routines in assembler for the Z80. I started a long time ago with a book from Neill Graham. The title is “Microprocessor Programming for Computer Hobbyists”. Tab Books No. 952 ISBN 0-8306-6952-3. The routines … Continue reading

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