|  | Game status buffer | 
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|  | ||||
| Background_Screen_Address | 24322 | DEFW 0 | Holds current screen location | |
| Background_Current_UDG | 24324 | DEFW 0 | Background UDG reference buffer. | |
| 24326 | DEFW 0 | |||
| Background_UDG_Data | 24328 | DEFW 0 | Holds currently processed UDG data block. | |
| 
Used with the indirect jump at 24390/ Indirect_Jump.
 | ||||
| Copy_Background_1 | 24330 | DEFW 24403 | Location of code to copy background 1 reference data. | |
| Copy_Background_2 | 24332 | DEFW 24418 | Location of code to copy background 2 reference data. | |
| Copy_Background_3 | 24334 | DEFW 24433 | Location of code to copy background 3 reference data. | |
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