INT 49 - TI Professional PCIBM PC - CRT - PRINT TTY STRING AH = 18h CS:BX -> counted string (count byte with length followed by string) Return: nothing Notes: AH=00h,04h,05h,0Bh,0Ch,0Dh,0Fh are documented as NOPs the string must be located in the caller's code segment; any TSRs which want to hook INT 49 must check for this function and emulate it, because the BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. retrieves the caller's CS from the stack SeeAlso: AH=01h,AH=02h,AH=0Eh