Int 49  - System Data - Non-keyboard Scan-code Translation Table (pcjr)
 Int 49  - Z100 - Slave 8259 - S100 Vectored Line 1
 Int 49  - Texas Instruments PC - Video I/o???
 Int 49  - Watstar PC Network Data Pointer 2
 Int 49  - Acorn Bbc Master 512 - "osasci" - Write Character To Cur Output St
 Int 49 Fn 0001  - Magic V1.16+ - Turn On Magnification
 Int 49 Fn 0002  - Magic V1.16+ - Turn Off Magnification
 Int 49 Fn 0003  - Magic V1.16+ - Shift Magnified Window To Include Specified
 Int 49 Fn 0004  - Magic V1.16+ - Reposition Magnified Window
 Int 49 Fn 0005  - Magic V1.16+ - Get Position Of Magnified Window
 Int 49 Fn 0006  - Magic V1.16+ - Get Size Of Full Screen
 Int 49 Fn 0007  - Magic V1.16+ - Get Size Of Magnification Window
 Int 49 Fn 0008  - Magic V1.23+ - Set Text Mode Magnification Size