Register - Name Table Select

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There are 4 backgrounds worth of name tables. The value in this register controls which one is being written to by writing to the address space occupied by the main name table. They always occupy the same address space and it should be noted that there is only 1 fixed name table.

Bit 7 6 5 4 3 2 1 0
Byte 0 - - - - - - BG BG

Key

  • BG - Selected Background. [0-3]

This register is a part of the Control Page.