Nintendo Wii U Mode d’emploi

Wii Programming Guidelines

Version: 1.01a

The contents in this document are highly

confidential and should be handled accordingly.

CONFIDENTIAL Released: October 11, 2006

Wii Programming Guidelines

Confidential

These coded instructions, statements, and computer programs contain proprietary information of Nintendo

of America Inc. and/or Nintendo Company Ltd. and are protected by Federal copyright law. They may not be

disclosed to third parties or copied or duplicated in any form, in whole or in part, without the prior written

consent of Nintendo.

Released: October 11, 2006 CONFIDENTIAL

Wii Programming Guidelines

Table of Contents

1Overview .....................................................................................................................................................11

1.1 Ranking System..................................................................................................................................11

1.2 Wii Programming Guidelines Note......................................................................................................11

2All ................................................................................................................................................................12

2.1 Prohibition of Dependency on Device Specifications [Information] ....................................................12

2.2 Memory and Register Initialization [Required]....................................................................................12

2.3 Startup Time Restriction [Recommended] ..........................................................................................12

2.4 Startup Disc Error Handling [Required]...............................................................................................12

2.5 Compliance with Legal Rights Display [Required]..............................................................................13

2.6 Library Version [Recommended] ........................................................................................................13

2.7 Deletion of Debug Information [Required] ..........................................................................................13

2.8 Device Access without the Use of a Library Prohibited [Required].....................................................13

2.9 Do Not Include Development Support Libraries in Release Version [Required] ................................13

2.10 Demo Screen Loop Processing [Required] ........................................................................................14

2.11 Integrating Banners, Comments, and Icons [Required]......................................................................14

2.12 Referencing and Changing Wii System Settings [Information]...........................................................14

2.13 Prohibition of Warning Screen Display by Application [Required] ......................................................14

2.14 [N. American Version Only] Onscreen Warning Display for Applications Using Online Features

[Required] .......................................................................................................................................................15

2.15 Program Distribution Method [Required] ............................................................................................15

2.16 Parental Controls [Information] ...........................................................................................................16

3Wii Game Disc and Drive............................................................................................................................17

3.1 Prohibition on Drive Specification Dependency [Required]................................................................17

3.2 Wii Game Disc Error Handling [Required] ..........................................................................................17

3.3 Infinite Loops During Multiple Data Streaming Prohibited [Required].................................................17

3.4 [Only for Multiple Disc Games] Independent Startup of All Discs [Required] .....................................18

3.5 Normal Operation after the Disc Drive Motor Is Shut Off From a Period of Inactivity [Required].......18

3.6 Display for Disc Drive Motor Shut Off From a Period of Inactivity [Recommended] ..........................18

3.7 Data Layout for Double Layer Disc [Recommended] .........................................................................18

CONFIDENTIAL Released: October 11, 2006

Wii Programming Guidelines

4Sound ......................................................................................................................................................... 19

4.1 Sound Setting [Information]................................................................................................................ 19

4.2 Applying Wii Console System Sound Settings [Required] ................................................................. 19

4.3 Sound Output for Applications Supporting Multiple Sound Settings [Required]................................. 19

4.4 Do Not Modify the Audio Playback Frequency Within an Application [Required]............................... 19

5Photosensitivity........................................................................................................................................... 20

5.1 About Photosensitivity and These Guidelines [Information]............................................................... 20

5.2 Restrictions on Flashing Images and Lights [Recommended] ........................................................... 21

5.3 Restrictions on Flashing Saturated Red Colors [Recommended]...................................................... 21

5.4 Restrictions on Image Reversals [Recommended] ............................................................................ 22

5.5 Restrictions on Regular Patterns [Recommended] ............................................................................ 22

5.6 Screen Brightness Calculations [Information] .................................................................................... 23

6Video........................................................................................................................................................... 26

6.1 Display within the Safe Frame [Recommended] ................................................................................ 26

6.2 Video Settings [Information] ............................................................................................................... 26

6.3 Support for Progressive Display [Recommended] ............................................................................. 26

6.4 Settings and Display for Progressive Display Supported Application [Required]............................... 26

6.5 Switching Between Interlaced and Progressive Display Output [Recommended]............................. 27

6.6 Addition of Interlaced/Progressive Switch Operation [Recommended] ............................................. 27

6.7 Reset Operation during Progressive Output [Recommended]........................................................... 27

6.8 Progressive Output Supported TV [Recommended].......................................................................... 27

6.9 PAL 50 Support [Required]................................................................................................................. 27

6.10 Settings and Display for EU RGB 60 Supported Application [Required]............................................ 28

6.11 Switching between PAL and EU RGB 60 [Recommended]................................................................ 28

6.12 Addition of PAL/EU RGB 60 Switch Operation [Recommended]....................................................... 28

6.13 Reset Operation during EU RGB 60 Output [Recommended]........................................................... 28

6.14 Maintaining Appropriate Video Output [Required] .............................................................................. 28

6.15 Display Method for 16:9 Screen Ratio [Recommended] .................................................................... 29

6.16 Settings and Display for Applications That Support 16:9 Screen Ratio Display [Required]............... 29

6.17 Trap Filter [Recommended]................................................................................................................ 29

6.18 Support for 4:3 Aspect Ratio [Required]............................................................................................. 29

6.19 Checking the On-screen Display during Application Startup [Required]............................................ 29

6.20 Check Before Switching to Progressive Display [Required]............................................................... 30

6.21 Applying the Raster Burn Mitigation Setting [Information].................................................................. 30

Released: October 11, 2006 CONFIDENTIAL

Wii Programming Guidelines

7Controllers...................................................................................................................................................31

7.1 All Controllers......................................................................................................................................31

7.1.1 Display When Extension Controller is Necessary [Required] .....................................................31

7.1.2 Avoid Game Design Forcing Extended Period of Continuous Operation or Strenuous Activity

[Information] ................................................................................................................................................31

7.1.3 Explanatory Message for Wii Remote Strap Use (Required)......................................................32

7.1.4 Handling +Control Pad Input [Required] .....................................................................................32

7.1.5 Operations on the Unused Buttons [Required] ...........................................................................32

7.1.6 Lower Limit Value of the Controller Stick and Button Analog Input Value [Recommended] .......33

7.1.7 Upper Limit Value of the Controller Stick and Button Analog Input Value [Required] .................33

7.1.8 Analog Input Value Range of Controller Stick and Button [Required].........................................33

7.1.9 Regarding Applications that Support the Rumble Feature [Required] ........................................34

7.1.10 Avoid Continuous Operation of the Rumble Motor [Recommended]..........................................34

7.1.11 Stop Rumble Motor When Controller Not in Use [Required].......................................................34

7.1.12 Rumble Motor Run/Stop Switch Frequency Requirement [Recommended]...............................34

7.1.13 Hot Swapping Extension Controllers [Recommended] ...............................................................34

7.1.14 Frequency Band Usage when Using a Wireless LAN [Information] ...........................................34

7.1.15 Do Not Use Origin Reset Command for Analog Input to Extension Controller [Required] .........35

7.2 Wii Remote .........................................................................................................................................35

7.2.1 Using the Relative Distance between the Wii Remote and the Sensor Bar [Recommended]....35

7.2.2 Handling HOME [Required].........................................................................................................35

7.2.3 Disabling Pointer for Applications Without Pointer Function [Required] .....................................35

7.2.4 Disabling Pointer for Applications With Pointer Function [Recommended] ................................35

7.2.5 Do Not Use of Wii Remote Memory and Wii Remote Speaker Simultaneously [Required]........35

7.2.6 Restriction on Contents of Data Written to Wii Remote Memory [Required] ..............................36

7.2.7 Checking for Errors in Wii Remote Data [Required]....................................................................36

7.2.8 Message Display When Writing to Wii Remote Memory [Required]...........................................36

7.2.9 Message Display When Loading Wii Remote Memory [Recommended) ...................................36

7.2.10 Error Handling When Writing to Wii Remote Memory [Required] ...............................................36

7.2.11 Error Handling When Reading From Wii Remote Memory [Required] .......................................36

7.2.12 Data Compatibility for the Same Application Using Wii Remote Memory [Required] .................37

7.2.13 Prohibition of Application Dependent on Wii Remote Memory Access Speed [Required]..........37

7.2.14 Handling Damage to Wii Remote Memory [Recommended] ......................................................37

7.2.15 Displaying a Message when Overwriting Wii Remote Memory [Required].................................37

7.2.16 Continuous Play on the Wii Remote Speaker [Required] ...........................................................37

7.2.17 Halting Data Transfers When No Output Occurs on the Wii Remote Speaker [Recommended]37

7.2.18 Audio Cutoff of Speaker due to Poor Signal Sensitivity [Recommended]...................................37

7.2.19 Displaying a Message Notifying the User That Battery Charge Is Low [Recommended] ........38

7.2.20 Displaying a Message Notifying Users That Wii Remote Transmissions Have Terminated

[Recommended]..........................................................................................................................................38

CONFIDENTIAL Released: October 11, 2006

Wii Programming Guidelines

7.3 Nintendo GameCubeTM Controller...................................................................................................... 38

7.3.1 Application Support for the Nintendo GameCube Controller [Information]................................. 38

7.3.2 Use of Origin Reset Command as Game Input Prohibited [Required] ....................................... 38

7.3.3 Support for Origin Reset Command [Required].......................................................................... 38

7.3.4 Hot Swapping Support for Nintendo GameCube Controller Socket Devices [Required] ........... 39

7.3.5 Frequency of Checks for Nintendo GameCube Controller Hot Swapping [Recommended]...... 39

7.3.6 Nintendo GameCube WaveBird Wireless Controller Support [Required]................................... 39

8Wii System Memory.................................................................................................................................... 40

8.1 Restrictions on Wii System Memory [Required]................................................................................. 40

8.2 Limits on Frequent Rewrites [Required] ............................................................................................. 40

8.3 Error Handling [Required]................................................................................................................... 41

8.4 Write Operation Display [Required].................................................................................................... 41

8.5 Data Compatibility Within the Same Program [Required] .................................................................. 42

8.6 Applications Dependent on Wii System Memory Access Speed Prohibited [Required] .................... 42

8.7 Reset Handling [Required] ................................................................................................................. 42

8.8 Data Unit for Users [Required] ........................................................................................................... 42

8.9 Checking the Number of Free i-nodes and Amount of Free Memory Using NANDCheck[Async]

[Required]....................................................................................................................................................... 42

8.10 Timing for Checking the Number of Free i-nodes and the Amount of Free Memory [Required]........ 43

8.11 Notification When the Number of i-nodes or the Amount of Free Memory Is Insufficient [Required].43

8.12 Do Not Change Created File Size [Required] .................................................................................... 44

8.13 Handling Corrupted Files [Recommended] ........................................................................................ 44

8.14 Handling Corrupted Wii System Memory [Recommended]................................................................ 44

8.15 Saving Data During the Shutdown Process [Recommended]............................................................ 44

9Nintendo GameCube Memory Card........................................................................................................... 45

9.1 Nintendo GameCube Memory Card Compatible Application [Information]........................................ 45

9.2 Use of Write Functions Prohibited [Required] .................................................................................... 45

9.3 Programs Must Not Depend on the Access Speed of Nintendo GameCube Memory Cards

[Required]....................................................................................................................................................... 45

9.4 Support for High Capacity Nintendo GameCube Memory Card [Required]....................................... 45

9.5 Errors Displayed when Memory Cards Cannot be Used [Required].................................................. 46

9.6 Compatible Slots [Recommended] ..................................................................................................... 46

9.7 Memory Card Menu in Application [Required].................................................................................... 46

9.8 Limit on Accessible Memory Card Files [Required]............................................................................ 46

Released: October 11, 2006 CONFIDENTIAL

Wii Programming Guidelines

10 Reset.........................................................................................................................................................47

10.1 Wii Console RESET [Required] ..........................................................................................................47

10.2 Wii Power Button [Required]...............................................................................................................47

10.3 Reset the Nintendo GameCube Controller Origin during Reset Operations [Required] ....................48

10.4 Use of Hot Resets [Recommended] ...................................................................................................48

10.5 Required Preparations Before Using the Reset/Shutdown Functions [Required] ..............................48

10.6 Do Not Use the Nintendo GameCube Controller Reset Command [Required]..................................48

Tables

Table 2-1 Rating Agencies by Market.......................................................................................................16

Table 8-1 Directory Size Limits.................................................................................................................40

CONFIDENTIAL Released: October 11, 2006

Wii Programming Guidelines

Revision History

Version Revision Date Description

1.01 10/6/2006

•Deleted “Boot Caching.”

•Added “Prohibition on Drive Specification Dependency.”

•Updated “Sound Setting,” and “Sound Output for Applications

Supporting Multiple Sound Settings.”

•Added “Video Settings.”

•Updated “Settings and Display for EU RGB 60 Supported

Application” and “Reset Operation during Progressive Output.”

•Updated “Test of Different TV Reception Formats” as “Maintaining

Appropriate Video Output.”

•Added “Checking the On-screen Display during Application

Startup” and “Check Before Switching to Progressive Display.”

•Updated “Applying the Raster Burn Mitigation Setting.”

•Updated “Explanatory Message for Strap Use.”

•Updated “Using Wireless LAN” as “Frequency Band Usage when

Using a Wireless LAN.”

•Updated “Support for Changes in the Wii Remote and Sensor Bar

Distance” to “Using the Relative Distance between the Wii

Remote and the Sensor Bar.”

•Added “Restrictions on Contents of Data Written to Wii Remote

Memory.”

•Updated “Continuous Play on the Wii Remote Speaker.”

•Updated “Handling Audio Data Transmissions Stopped by the

Feature for Avoiding Audio Cutoff” as “Audio Cutoff of Speaker

due to Poor Signal Sensitivity.”

•Updated “Write Operation Display,” “Data Unit for Users,”

“Checking the Amount of Free Memory and Number of Free i-

Nodes Using NANDCheck[Async],” “Notification When the

Amount of Free Memory or Number of i-Nodes is Insufficient,” and

“Handling Corrupted Wii System Memory.”

•Added “Prohibition on Programs Depending on the Access Speed

of Nintendo GameCube Memory Cards.”

•Updated “Wii Console RESET Button,” and “Wii Power Button.”

•Changed the title heading “Reacquisition of Origin for GameCube

Controller during Reset Operation” to “Reset the

Nintendo GameCube Controller Origin during Reset Operations.”

1.00 9/21/2006

•Updated “Prohibition of Dependency on Device Specifications.”

•Updated “Handling +Control Pad Input.”

•Updated “Support for Changes in the Wii Remote and Sensor Bar

Distance.”

•Changed “Limitations on Use of HOME” to “Handling the HOME.”

•Added “Prohibition of Simultaneous Use of Wii Remote Memory

and the Wii Remote Speaker.”

•Added “Data Compatibility for the Same Application using Wii

Remote Memory,” “Prohibition of Application Dependent on Wii

Remote Memory Access Speed,” “Handling Damage to Wii

Remote Memory,” and “Displaying a Message when Overwriting

Wii Remote Memory.”

•Updated “Handling Audio Data Transmissions Stopped by the

Feature for Avoiding Audio Distortion.”

•Changed “Specifying a Message Notifying the User that Battery

Released: October 11, 2006 CONFIDENTIAL

Wii Programming Guidelines

Charge is Low” to “Displaying a Message Notifying the User that

Battery Charge is Low.”

•Changed “Specifying a Message Notifying Users that Wii Remote

Transmissions Have Terminated” to “Displaying a Message

Notifying Users that Wii Remote Transmissions Have Terminated.”

•Updated “Notification When the Amount of Free Memory or

Number of i-Nodes is Insufficient,” “Handling Corrupted Files,” and

“Handling Corrupted Wii System Memory.”

•Changed “Support for Non-Japanese Spec GameCube Memory

Cards” to “Errors Displayed when Memory Cards Cannot be

Used.”

0.98 9/15/2006

•Standardized terminology to use “Wii system memory.”

•Added Section 2.18, “Parental Control.”

•Added that the feature for stopping the disk drive motor does not

work under Revolution SDK 2.2 Patch.

•Deleted “Error Display when Disc Eject Button is Pressed.”

•Updated text. Added figures, graphs, and tables. Added

information on calculating screen brightness.

•Added “Applying the Raster Burn Mitigation Setting.”

•Updated “Explanatory Message for Wii Remote Strap Use.”

•Updated “Lower Limit Value of the Controller Stick and Button

Analog Input Value,” “Upper Limit Value of the Controller Stick and

Button Analog Input Value,” and “Analog Input Value Range of

Controller Stick and Button.”

•Deleted “Vibration Enabled/Disabled Mode Switch Function.”

•Updated “Do Not Use the Origin Reset Command for the Analog

Input to an Extension Controller.”

•Updated “Limit Use of HOME” and “Disabling Pointer for

Application Without Pointer Function.”

•Deleted “A Caution about Data Loss for Wii Remote Memory.”

•Changed the rank of “Message Display when Writing to Wii

Remote Memory.”

•Standardized terminology to use the word “speaker.”

•Combined “Handling Audio Cutoff of Speakers Due to Plugging In

the External Extension Controller” and “Handling Audio Cutoff of

Speakers Due to Packet Loss” to form “Handling Audio Data

Transmissions Stopped by the Feature for Avoiding Audio Cutoff.”

•Added “Specifying a Message Notifying the User that Battery

Charge is Low” and “Specifying a Message Notifying Users That

Wii Remote Transmissions Have Terminated.”

•Updated “Checking the Number of Free i-nodes and Amount of

Free Memory Using NANDCheck[Async]” and “Notification When

the Number of i-nodes or the Amount of Free Memory Is

Insufficient.”

•Changed the rank of “Handling Corrupted Files.”

•Updated “Handling Corrupted Wii System Memory.”

•Updated “Memory Card Menu in Application.”

•Updated “Note for Using CARDFastOpen Function” and changed

the title to “Limit on Accessible Memory Card Files.”

•Updated “Wii Console RESET” and “Wii Power Button.”

0.97 09/07/2006

•Updated "Boot Caching".

•Added description of Wii console setting values when using a 16:9

aspect ratio.

CONFIDENTIAL Released: October 11, 2006

Wii Programming Guidelines

•Added a note that the screen for describing how to wear the strap

is currently being studied.

•Added the section “Prohibition on the Use of the Origin Reset

Command for the Analog Input of the Extension Controller”.

•Updated notes regarding message displayed when reading or

writing to Wii Remote memory.

•Standardized terminology to use the term “Wii system memory”

(old term: Wii console internal flash memory)

•Deleted “Free Space Check” (the old 8.4)

•Updated sections 8.1, 8.2, 8.3, 8.4, 8.5, and 8.8.

•Added new sections from 8.9 to 8.15.

•Updated the names of documents being referenced.

•Added sections 10.2 and 10.6.

•Changed the title of section 10.5.

0.96 08/24/2006

•Deleted the (tentative) appellation for Boot Caching.

•Added section on Support for 4:3 Aspect Ratio.

•Added indication that the pointer halt functionality is not currently

available in the KPAD library.

•Added sections on Wii Remote memory (7.2.5 to 7.2.9) and on

the speaker (7.2.10 and 7.2.11).

0.95 08/09/2006

•Added section on “Boot Caching (tentative).”

•Reorganized the entire section.

•Changed the title “Warning Message of Moving Controllers” to

“Explanatory Message for Strap Use,” and upgraded the ranking

to “Required.”

•Added section on “Data Unit for Users.”

0.94 07/21/2006

•Initial version.

Released: October 11, 2006 CONFIDENTIAL

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