INT 16 - TurboPower TSRs - INSTALLATION CHECK AX = F0F0h Return: AX = 0F0Fh if installed ES:DI -> last data block in TSR list (see #00615) Note: the returned TSR list provides support for communication among TSRs built with TurboPower's Turbo Professional and Object Professional libraries for Turbo Pascal SeeAlso: AX=E0E0h