INT 31 - DPMI 1.0+ - ALLOCATE SHARED MEMORY AX = 0D00h ES:(E)DI -> shared memory allocation request structure (see #03159) Return: CF clear if successful request structure updated CF set on error AX = error code (8012h,8013h,8014h,8016h,8021h) (see #03143) Note: first 16 bytes of memory block will be initialized to zeros on the first allocation SeeAlso: AX=0501h,AX=0D01h,AX=0D02h