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Virtual Screen Size of 512 x 512 Dots, AGB Programming Manual, Rendering Functions

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AGB Programming Manual 2-3) Virtual Screen Size of 512 x 512 Dots 512 dots (64 blocks) 240 dots (30 blocks) 000H 001H 002H 003H 004H 040H 041H 042H 043H 044H 160 dots (20 blocks) 080H 081H 082H 083H 084H 0C0H 0C1H 0C2H 0C3H 0C4H 01DH 01EH 05DH 05EH 09DH 09EH 0DDH 0DEH 512 dots (64 blocks) 4C0H 4C1H 4C2H 4C3H 4C4H 500H 501H 502H 503H 504H 4DDH 4DEH 51DH 51EH F80H F81H F82H F83H F84H FC0H FC1H FC2H FC3H FC4H LCD display area F9DH F9EH FDDH FDEH Rendering Functions 03EH 03FH 07EH 07FH 0BEH 0BFH 0FEH 0FFH 4FEH 4FFH 53EH 53FH FBEH FBFH FFEH FFF H 2-4) Virtual Screen Size of 1024 x 1024 Dots 240 dots (30 blocks) 000H 001H 002H 003H 004H 080H 081H 082H 083H 084H 160 dots (20 blocks) 100H 101H 102H 103H 104H 180H 181H 182H 183H 184H 1024 dots (128 blocks) 01DH 01EH 09DH 09EH 11DH 11EH 19DH 19EH 1024 dots (128 blocks) 980H 981H 982H 983H 984H A00H A01H A02H A03H A04H 99DH 99EH A1DH A1EH 3F00H 3F01H 3F02H 3F03H 3F04H 3F80H 3F81H 3F82H 3F83H 3F84H LCD display area 3F1DH 3F1EH 3F9DH 3F9EH 07EH 07FH 0FEH 0FFH 17EH 17FH 1FEH 1FFH 9FEH 9FFH A7EH A7FH 3F7EH 3F7FH 3FFEH 3FFFH ©1999 - 2001 Nintendo of America Inc. 48 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

2-3) Virtual Screen Size of 512 x 512 Dots

LCD display area

000

001

002

003

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042

084

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240 dots

(30 blocks)

160 dots

(20 blocks)

512 dots

(64 blocks)

512 dots

(64 blocks)

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F9E

FBE

2-4) Virtual Screen Size of 1024 x 1024 Dots

000

001

002

003

080

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082

104

100

101

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103

004

084

01D

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180

181

182

183

984

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184

A00

A01

A02

A03

A04

3F84

3F80

3F81

3F82

3F83

09E

01E

11E

19E

99E

A1D

A1E

3F9D

3F9E

07E

17E

0FE

1FE

07F

17F

0FF

1FF

A7E

9FE

A7F

9FF

3FFE

3F7F

3FFF

09D

19D

11D

99D

240 dots

(30 blocks)

160 dots

(20 blocks)

1024 dots

(128 blocks)

1024 dots

(128 blocks)

3F00

3F01

3F02

3F04

3F03

3F1D

3F1E

3F7E

LCD display area