2.2.2.6.3 Bitmask Command (0x42)
The Bitmask command compresses up to five GLOBCNT ranges, as specified in section 2.2.2.6, into a single encoding command if they all have 5 high-order bytes in common and the low-order bytes are all within eight values of each other.
For information about how a GLOBSET structure, as specified in section 2.2.2.6, is encoded using this command, see section 3.1.5.4.3.1.3. For information about how a GLOBSET structure is decoded using this command, see section 3.1.5.4.3.2.3.
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StartingValue |
Bitmask |
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Command (1 byte): This value MUST be set to 0x42.
StartingValue (1 byte): The low-order byte of the first GLOBCNT structure, as specified in section 2.2.2.5.
Bitmask (1 byte): A flag that identifies whether the GLOBCNT structure that exists in the GLOBCNT range that starts with the value of the StartingValue field.