Nintendo 1504166 - Game Boy Advance SP Edition Console Programming Manual page 59

AGB Programming Manual
The "Number of Rendering Cycles" and the corresponding number of OBJ
displayable for a single line is expressed in the table below.
OBJ H Size
8
16
32
64
128 (double the
size of 64)
If the number for non-displayed (outside of the screen) OBJ in the OAM is
lower than that for displayed OBJ, the bigger the non-displayed OBJ's size
is, the less efficient the rendering will be. Please be aware of this problem.
©1999 - 2001 Nintendo of America Inc.
Number of Rendering Cycles
Rotation/Scaling
Normal OBJ
OBJ
8 26
16 42
32 74
64 138
X 266
59
Number of OBJ displayable on single line
Rotation/Scaling
Normal OBJ
128
76
38
19
X
D.C.N. AGB-06-0001-002B4
Rendering Functions
OBJ
47
29
16
8
4