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B2D9: Save Position
Used by the routine at HandleFatBottomBlock.
Saves the position of the object in SavedPosition.
Input
IX The address of the object
Copy x, y and z to SavedPosition.
SavePosition B2D9 LD HL,$5B1B Point HL at SavedPosition.
B2DC LD A,(IX+$01) Fetch the x position.
B2DF LD (HL),A Store it.
B2E0 INC HL Move on.
B2E1 LD A,(IX+$02) Fetch the y position.
B2E4 LD (HL),A Store it.
B2E5 INC HL Move on.
B2E6 LD A,(IX+$03) Fetch the z position.
B2E9 LD (HL),A Store it.
B2EA RET Return.
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