INT 7A R - AutoCAD Device Interface - DISPLAY - INITIALIZE (INIT1) AX = 0001h BX = configuration CX = interface level (0001h) Return: AX = status 0000h initialization failed 0001h pre-v4.0 driver initialized successfully 0003h post-v3.1 driver initialized successfully (driver truncates excessivly long packets) BX = width of graphics area in pixels, or 0000h if using packet communication DX:CX -> packet-mode entry point (see #03832) SeeAlso: AX=0001h,AX=0200h,AX=07D0h,INT 61/AX=0007h"OPTIMA",INT 78"AutoCAD" SeeAlso: INT 79/AX=0001h,INT 7B/AX=8001h"AutoCAD",INT 7C"AutoShade" (Table 03832) Call packet-mode entry point with: STACK: DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. pointer to request packet (see #03833) WORD length of packet Format of request packet: Offset Size Description (Table 03833) 00h WORD function number (00h-45h for Compaq VGADI41.EXE)