Category: applications
Flags: callout or callback (usually hooked rather than called)
INT 16 - Microsoft Word internal - MICROSOFT WORD COOPERATION WITH TSR AX = 5500h Return: AX = 4D53h ('MS') if keyboard TSR present Notes: during startup, Microsoft Word tries to communicate with any TSRs that are present through this call. if the return is not 4D53h, Word installs its own INT 09 and INT 16 handlers; otherwise it assumes that the TSR will handle the keyboard SeeAlso: AX=55FFh,INT 1A/AX=3601h