• Linking with zxbasdrv
• Description of the BASIC program line numbers
• 10 - Set default drive number
• 7499 - query driver description
• 7500 - OPEN sequential file
• 7550 - CLOSE sequential file
• 7600 - LOAD block
• 7650 - SAVE block
• 7700 - Init printer channel (open #3)
• 7750 - Close printer channel (close #3)
• 7800 - Hardcopy
• 7900 - DELETE file
• 7950 - RENAME file