INT 15 - PhysTechSoft PTS ROM-DOS - SET BREAKPOINT AX = E908h CL = flags bit 1: =0 operate in one-fold mode =1 operate in many-fold mode bit 0: =0 send debug information to control channel =1 activate handler ES:SI = breakpoint address DX:DI = handler address Return: AH = error code 00h no error 01h incorrect parameter 02h no room in breakpoint table SeeAlso: AX=E909h,INT 14/AH=05h"PTS ROM-DOS",INT 14/AH=06h"PTS ROM-DOS"