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PRO: Protect Storage from Being Modified

The PRO option generates an automatic breakpoint whenever the monitored program attempts to modify the protected area. This is useful when you are trying to determine how an area of storage is being modified.

Specify the PRO option while a program is at a breakpoint if the storage location is different each time the program executes.

To protect storage from being modified, enter:

PRO=(address,length)
address

Specifies the starting address of the protected storage area as six- to eight-hexadecimal digits.

length

Specifies, in hexadecimal, the number of protected bytes.