Date: Mon, 31 Jan 1994 14:24:52 GMT From: gilliard AT lectra DOT fr (Laurent Pierre Gilliard) To: djgpp AT sun DOT soe DOT clarkson DOT edu Subject: int86(0x13... I want to test my flopy drive using: #include union REGS regs; regs.h.ah = 0x00; \* init fonction *\ regs.h.dl = 0x00; int86(0x13,®s,®s); => crash!!!!!! Why?????? Thanks.