OSBYTE | Perform general byte-wise function
| OSWORD | Perform general function with control block
| OSWRCH | Send a character to output stream
| OSWRCR | Send a carriage return to output stream
| OSNEWL | Send a newline sequence to output stream
| OSASCI | Send an ascii sequence to output stream
| OSRDCH | Wait for character from input stream
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| OSFILE | Perform actions on whole files
| OSARGS | Read or write information on open files and filing systems
| OSBGET | Get a single byte from open file
| OSBPUT | Put a single byte to open file
| OSGBPB | Read or write blocks of data and information
| OSFIND | Open or close a file
| FSCV | Filing system control
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| NVWRCH |
| NVRDCH |
| GSREAD | Read a character from string parser
| GSINIT | Initialise general string parser
| OSEVEN | Generate an event
| OSRDSC | Read a byte from screen or ROM
| OSWRSC | Write a byte to screen
| | |
| FSNums | Filing system numbers
| Handles | Filing system handles
| ARGS_A | Return values from OSARGS
| FileAccess | File access byte explained
| ScanDir | Scanning directories to read entries
| | |
| Files
| ErrorList
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