Nintendo 1504166 - Game Boy Advance SP Edition Console Programming Manual page 34

AGB Programming Manual
The contents of the BG control registers are shown below.
1) Text BG Screen Control (BG0, BG1)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Address Register
008h BG0CNT
00Ah BG1CNT
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Screen Base Block
0-31
Screen Size
34
0 0
Mosaic
0: Disable
1: Enable
Character Base Block
0-3
Color Mode
0: 16 colors x 16 palettes
1: 256 colors x 1 palette
Rendering Functions
Attributes Initial Value
R/W 0000h
Priority Specification
00: 1st priority
01: 2nd priority
10: 3rd priority
11: 4th priority
D.C.N. AGB-06-0001-002B4