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X-Hacker.org- Peter Norton Programmer's Guide - Norton Guide http://www.X-Hacker.org [^^Up^^] [Menu] [About The Guide]
 RS-232 Serial Communications Services
   Service 00H (decimal 0): Initialize Serial Port
   Service 01H (decimal 1): Send Out One Character
   Service 02H (decimal 2): Receive One Character
   Service 03H (decimal 3): Get Serial Port Status
   Service 04H (decimal 4): Initialize Extended Serial Port
   Service 05H (decimal 5): Control Extended Communications Port
 Miscellaneous System Services
   Service 00H (decimal 0): Turn On Cassette Motor
   Service 01H (decimal 1): Turn Off Cassette Motor
   Service 02H (decimal 2): Read Cassette Data Blocks
   Service 03H (decimal 3): Write Cassette Data Blocks
   Service 21H (decimal 33): Read or Write PS/2 POST Error Log
   Service 83H (decimal 131): Start or Cancel Interval Timer
   Service 84H (decimal 132): Read Joystick Input
   Service 86H (decimal 134): Wait During a Specified Interval
   Service 87H (decimal 135): Protected-Mode Data Move
   Service 88H (decimal 136): Get Extended Memory Size
   Service 89H (decimal 137): Switch to Protected Mode
   Service C0H (decimal 192): Get System Configuration Parameters
   Service C1H (decimal 193): Get ROM BIOS Extended Data Segment
   Service C2H (decimal 194): Pointing-Device Interface
   Service C3H (decimal 195): Enable/Disable Watchdog Timer
   Service C4H (decimal 196): Programmable Option Select
 ROM BIOS Hooks
   Service 4FH (decimal 79): Keyboard Intercept
   Service 80H (decimal 128): Device Open
   Service 81H (decimal 129): Device Close
   Service 82H (decimal 130): Program Termination
   Service 85H (decimal 133): Sys Req Keystroke
   Service 90H (decimal 144): Device Busy
   Service 91H (decimal 145): Interrupt Complete
 Printer Services
   Service 00H (decimal 0): Send 1 Byte to Printer
   Service 01H (decimal 1): Initialize Printer
   Service 02H (decimal 2): Get Printer Status
 Other Services
   Interrupt 05H (decimal 5): Print-Screen Service
   Interrupt 11H (decimal 17): Equipment-List Service
   Interrupt 12H (decimal 18): Memory-Size Service
   Interrupt 18H (decimal 24): ROM BASIC Loader Service
   Interrupt 19H (decimal 25): Bootstrap Loader Service
   Interrupt 1AH (decimal 26): Time-of-Day Services

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