Region Management
By Linden deCarmo
Dr. Dobb's Journal July 1998
Mov GPRM0, SPRM13 ; get value of system parental register and copy ; into a user register #0 LT GPRM0, #DISC_LEVEL ; if parental level < the required parental level ; on the disc GOTO Failure ; then alert user about the failure
Example 2: Correct parental checks in DVD content. In this case, the content verifies that the parental level in the player meets the minimum requirement for the disc, rather than the arbitrary Level Eight in Example 1.
Copyright © 1998, Dr. Dobb's Journal