Display Priority Of Obj And Bg; Priority Among Bgs; Priority Among Objs; Figure 50 - Object Rotation/Scaling Parameters - Nintendo GAME BOY ADVANCE Programming Manual

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The values set for PA, PB, PC, and PD are signed, fixed-point numbers (8-bit fractional portion, 7-bit inte-
ger portion, 1-bit sign, for a total of 16 bits).
These 4 parameters are used together as a single group, which can be placed in any of 32 areas in OAM.
PA
PB
PC
PD
6.4

Display Priority of OBJ and BG

6.4.1

Priority Among BGs

Priority among BGs can be set to any of 4 levels.
When BGs have the same priority setting, the BG with the lowest BG number is given priority.
6.4.2

Priority Among OBJs

Priority among OBJs can be set to any of 4 levels.
When OBJs have the same priority setting, the OBJ with the lowest OBJ number is given priority.
AGB-06-0001-002-B13
Released: May 27, 2005
Game Boy Advance Programming Manual

Figure 50 - Object Rotation/Scaling Parameters

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
dx: distance moved in x direction along same line
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
d x: distance moved in x direction along next line
µ
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
dy: distance moved in y direction along same line
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
d y: distance moved in y direction along next line
µ
May 25, 2005
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