Michael Keys

PCW - Machine Code

The best book on programming the PCW

How to control the screnn, the printer, discs and the whole of the machine memory.

A full explanation of machine code with dozens of programm examples.

With a special section on calculations such as Sin, Cos, Sq roots, Random Nos, 8-, 16-, and 32-bit arithmetic, etc., etc.

Full index and appendices.

Acknowledgements:
This book is based an my experience of using information derived over the years from books and periodicals, to the writers of which I would like to express my thanks. The information belongs to others, the mistakes are all mine.

Inhaltsverzeichnis:

1. Computing should be sensible


2. The basis of Computing


3. The Z80 processor


4. The instruction set


5. Writing a sub-routine


6. Practical programming


7. Screen printing


8. Using the printer


9. Screen graphics 1


10. Screen graphics 2


11. The Memory Disc


12. Disc handling


13. Error handling


14. Arithmetical routines