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BG Mode 5 (32,768 colors,160x128 dots,2 frame buffers

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AGB Programming Manual Rendering Functions 6.2.4.3 BG Mode 5 (32,768 colors, 160X128 dots, 2 frame buffers) Although there are 2 frame buffers, the display area is limited in this mode to enable simultaneous display of 32,768 colors. 1) Frame 0 0 0 0h 1 140h 2 2A0h 3 3C0h 4 500h 1 2h 142h 2A2h 3C2h 502h 2 4h 144h 2A4h 3C4h 504h 3 6h 146h 2A6h 3C6h 506h 4 8h 148h 2A8h 3C8h 508h 156 138h 298h 3B8h 4F8h 638h 157 13Ah 29Ah 3BAh 4FAh 63Ah 158 13Ch 29Ch 3BCh 4FCh 63Ch 159 13Eh 29Eh 3BEh 4FEh 63Eh 124 9B00h 9B02h 9B04h 9B06h 9B08h 125 9C40h 9C42h 9C44h 9C46h 9C48h 126 9D80h 9D82h 9D84h 9D86h 9D88h 127 9EC0h 9EC2h 9EC4h 9EC6h 9EC8h 2) Frame 1 0 1 2 3 4 0 A000h A002h A004h A006h A008h 1 A140h A142h A144h A146h A148h 2 A2A0h A2A2h A2A4h A2A6h A2A8h 3 A3C0h A3C2h A3C4h A3C6h A3C8h 4 A500h A502h A504h A506h A508h 9C38h 9C3Ah 9C3Ch 9C3Eh 9D78h 9D7Ah 9D7Ch 9D7Eh 9EB8h 9EBAh 9EBCh 9EBEh 9FF8h 9FFAh 9FFCh 9FFEh VRAM Address (+06000000h) 156 157 A138h A13Ah A298h A29Ah A3B8h A3BAh A4F8h A4FAh A638h A63Ah 158 A13Ch A29Ch A3BCh A4FCh A63Ch 159 A13Eh A29Eh A3BEh A4FEh A63Eh 124 13B00h 13B02h 13B04h 13B06h 13B08h 125 13C40h 13C42h 13C44h 13C46h 13C48h 126 13D80h 13D82h 13D84h 13D86h 13D88h 127 13EC0h 13EC2h 13EC4h 13EC6h 13EC8h 13C38h 13C3Ah 13C3Ch 13C3Eh 13D78h 13D7Ah 13D7Ch 13D7Eh 13EB8h 13EBAh 13EBCh 13EBEh 13FF8h 13FFAh 13FFCh 13FFEh VRAM address (+06000000h) ©1999 - 2001 Nintendo of America Inc. 57 D.C.N. AGB-06-0001-002B4

Section	Page
Introduction	3
Revision History	4
Table of Contents	9
Using This Manual	12
1 AGB System	13
1.1 System Overview	13
2 System Configuration	15
2.1 CPU Block Diagram	15
2.2 Complete Block Diagram	16
2.3 Memory Configuration and Access Width	17
2.4 Little-Endian	17
3 AGB Memory	18
3.1 Overall Memory Map	18
3.2 Memory Configuration	19
3.2.1 AGB Internal Memory	19
3.2.2 Game Pak Memory	20
3.3 Game Pak Memory Wait Control	21
3.3.1 Access Timing	23
3.3.2 Game Pak Bus	24
4 LCD	25
4.1 LCD Status	26
4.1.1 V Counter	26
4.1.2 General LCD Status	27
5 Image System	29
5.1 BG Modes	31
5.1.1 Details of BG Modes	31
5.1.2 VRAM Memory Map	32
6 Rendering Functions	33
6.1 Character Mode BG (BG Modes 0-2)	33
6.1.1 BG Control	33
6.1.2 Mosaic Size	39
6.1.3 VRAM Address Mapping of BG Data	40
6.1.4 Character Data Format	42
6.1.5 BG Screen Data Format	43
6.1.6 BG Screen Data Address Mapping for the LCD Screen	45
6.1.7 BG Rotation and Scaling Features	49
6.1.8 BG Scrolling	52
6.2 Bitmap Mode BGs (BG Modes 3-5)	53
6.2.1 BG Control	53
6.2.2 BG Rotation/Scaling	54
6.2.3 Pixel Data	54
6.2.4 Pixel Data Address Mapping for the LCD Screen	55
6.2.4.1 BG Mode 3 (32,768 colors,240x160 dots,1 frame buffer)	55
6.2.4.2 BG Mode 4 (256 colors,240x160 dots,2 frame buffers)	56
6.2.4.3 BG Mode 5 (32,768 colors,160x128 dots,2 frame buffers)	57
6.3 OBJ (Object)	58
6.3.1 OBJ Function Overview	58
6.3.2 Character Data Mapping	60
6.3.3 OAM	62
6.3.4 OBJ Rotation/Scaling Feature	70
6.4 Display Priority of OBJ and BG	72
7 Color Palettes	73
7.1 Color Palette Overview	73
7.2 Color Palette RAM	74
7.3 Color Data Format	76
8 Window Feature	77
8.1 Window Position Setting	77
8.2 Window Control	78
9 Color Special Effects	80
9.1 Selection of Color Special Effects	80
9.2 Color Special Effects Processing	82
10 Sound	84
10.1 Sound Block Diagram	84
10.2 Direct Sounds A and B	85
10.3 Sound 1	87
10.4 Sound 2	91
10.5 Sound 3	93
10.6 Sound 4	97
10.7 Sound Control	100
10.8 Sound PWM Control	104
11 Timer	106
12 DMA Transfer	108
12.1 DMA 0	109
12.2 DMA 1 and 2	113
12.3 DMA 3	117
12.4 DMA Problems: How to avoid them	122
13 Communication Functions	125
13.1 8-Bit/32-Bit Normal Serial Communication	128
13.2 16-Bit Multi-player Communication	134
13.3 UART Communication Functions	142
13.4 General Purpose Communication	148
13.5 JOY Bus Communication	150
13.6 AGB Game Link Cable	154
14 Key Input	155
14.1 Key Status	155
14.2 Key Interrupt Control	155
14.2.1 Interrupt Conditions	156
15 Interrupt Control	157
15.1 System-Allocated Area in Work RAM	159
15.2 Interrupt Operation	160
15.2.1 Normal Interrupt	160
15.2.2 Multiple Interrupts	161
16 Power-Down Functions	163
16.1 Stop Function	163
16.2 Halt Function	164
17 AGB System Calls	165
17.1 System Call Operation	165
17.1.1 Normal Calls	165
17.1.2 Multiple Calls	167

Match case Limit results 1 per page

AGB Programming Manual

Rendering Functions

D.C.N. AGB-06-0001-002B4

6.2.4.3 BG Mode 5 (32,768 colors, 160X128 dots, 2 frame buffers)

Although there are 2 frame buffers, the display area is limited in this mode

to enable simultaneous display of 32,768 colors.

1) Frame 0

156

157

158

159

138h

13Ah

13Ch

13Eh

140h

142h

144h

146h

148h

298h

29Ah

29Ch

29Eh

2A0h

2A2h

2A4h

2A6h

2A8h

3B8h

3BAh

3BCh

3BEh

3C0h

3C2h

3C4h

3C6h

3C8h

4F8h

4FAh

4FCh

4FEh

500h

502h

504h

506h

508h

638h

63Ah

63Ch

63Eh

124

9B00h

9B02h

9B04h

9B06h

9B08h

9C38h

9C3Ah

9C3Ch

9C3Eh

125

9C40h

9C42h

9C44h

9C46h

9C48h

9D78h

9D7Ah

9D7Ch

9D7Eh

126

9D80h

9D82h

9D84h

9D86h

9D88h

9EB8h

9EBAh

9EBCh

9EBEh

127

9EC0h

9EC2h

9EC4h

9EC6h

9EC8h

9FF8h

9FFAh

9FFCh

9FFEh

VRAM Address (+06000000h)

2) Frame 1

156

157

158

159

A000h

A002h

A004h

A006h

A008h

A138h

A13Ah

A13Ch

A13Eh

A140h

A142h

A144h

A146h

A148h

A298h

A29Ah

A29Ch

A29Eh

A2A0h

A2A2h

A2A4h

A2A6h

A2A8h

A3B8h

A3BAh

A3BCh

A3BEh

A3C0h

A3C2h

A3C4h

A3C6h

A3C8h

A4F8h

A4FAh

A4FCh

A4FEh

A500h

A502h

A504h

A506h

A508h

A638h

A63Ah

A63Ch

A63Eh

124

13B00h

13B02h

13B04h

13B06h

13B08h

13C38h

13C3Ah

13C3Ch

13C3Eh

125

13C40h

13C42h

13C44h

13C46h

13C48h

13D78h

13D7Ah

13D7Ch

13D7Eh

126

13D80h

13D82h

13D84h

13D86h

13D88h

13EB8h

13EBAh

13EBCh

13EBEh

127

13EC0h

13EC2h

13EC4h

13EC6h

13EC8h

13FF8h

13FFAh

13FFCh

13FFEh

VRAM address (+06000000h)