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.

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