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# Diskette Sector I/O Routines

## Christian Groessler, cpg@aladdin.de

20-Feb-2005

The cc65 library provides functions to read and write raw disk sectors. Include the dio.h header file to get the necessary definitions.

## 1. Opening the disk for low level I/O

## 2. Reading and writing sectors

## 3. Querying sector size and count

## 4. Converting sector numbers

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