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no edit summary
[[Category:Services]]
[[Category:Services]]
The NS ('''N'''intendo User Interface '''S'''hell) system module is the first module launched from a CTR-NAND title after the [[FIRM]] processes are loaded. This module is launched by the pm process, with the titleID loaded from NS state(hard-coded TID initialized during applet TID-array initialization). NS first launches [[ErrDisp]], then the menu. On retail the menu TID is loaded from NS state, while on dev/debug the menu TID is loaded from [[Config_Savegame|config]]. On dev-units if the menu TID block doesn't exist in [[Config_Savegame|config]], NS will attempt to launch the alternate menu instead. The TID of the launched menu is then written to [[Configuration Memory|ACTIVEMENUTID]]. NS uses [[PMApp:LaunchTitle|pm:app]] to launch titles.
The NS ('''N'''intendo User Interface '''S'''hell) system module is the first module launched from a CTR-NAND title after the [[FIRM]] processes are loaded (also see [[Bootloader]]). This module is launched by the pm process, with the titleID loaded from NS state(hard-coded TID initialized during applet TID-array initialization). NS first launches [[ErrDisp]], then the menu. On retail the menu TID is loaded from NS state, while on dev/debug the menu TID is loaded from [[Config_Savegame|config]]. On dev-units if the menu TID block doesn't exist in [[Config_Savegame|config]], NS will attempt to launch the alternate menu instead. The TID of the launched menu is then written to [[Configuration Memory|ACTIVEMENUTID]]. NS uses [[PMApp:LaunchTitle|pm:app]] to launch titles.
NS will not trigger the [[ErrDisp|fatal-error]] screen when launching the regular/alternate menu fails.
NS will not trigger the [[ErrDisp|fatal-error]] screen when launching the regular/alternate menu fails.
| [[NSS:LaunchTitle|LaunchTitle]]
| [[NSS:LaunchTitle|LaunchTitle]]
|-
|-
| 0x0003....
| 0x00030000
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| Wrapper for [[Process_Manager_Services|PMApp]] command 0x00030080.
| [[NSS:TerminateApplication|TerminateApplication]]
|-
|-
| 0x0004....
| 0x00040040
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| Wrapper for [[Process_Manager_Services|PMApp]] command 0x000500C0.
| [[NSS:TerminateProcess|TerminateProcess]]
|-
|-
| 0x000500C0
| 0x000500C0
| 0x00060042
| 0x00060042
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| [[NSS:SetFIRMParams4A0|SetFIRMParams4A0]]
| [[NSS:SetWirelessRebootInfo|SetWirelessRebootInfo]]
|-
|-
| 0x00070042
| 0x00070042
| 0x00080000
| 0x00080000
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| This shuts down the gamecard system update interface: the shared memory is unmapped, the CFA archive is closed, state is cleared, etc.
| [[NSS:CardUpdateShutdown|CardUpdateShutdown]]
|-
|-
| 0x0009....
| 0x00090000
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| Gamecard system update related.
| Gamecard system update related.
|-
|-
| 0x000A....
| 0x000A0000
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| Gamecard system update related.
| Gamecard system update related.
|-
|-
| 0x000B....
| 0x000B0000
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| Gamecard system update related.
| Gamecard system update related.
|-
|-
| 0x000C....
| 0x000C0000
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| Gamecard system update related.
| Gamecard system update related.
| 0x000D0140
| 0x000D0140
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| [[NSS:SetFIRMParams4B0|SetFIRMParams4B0]]
| [[NSS:SetTWLBannerHMAC|SetTWLBannerHMAC]]
|-
|-
| 0x000E....
| 0x000E0000
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| Wrapper for "ptm:sysm" service command 0x040700C0.
| [[NSS:ShutdownAsync|ShutdownAsync]]
|-
|-
| 0x000F0000
| 0x000F0000
| [[NSS:RebootSystem|RebootSystem]]
| [[NSS:RebootSystem|RebootSystem]]
|-
|-
| 0x0011....
| 0x00110100
| [[1.0.0-0]] - [[2.0.0-2]]
| [[1.0.0-0]] - [[2.0.0-2]]
| [[NSS:TerminateProcessTID|TerminateProcessTID]]
| [[NSS:TerminateTitle|TerminateTitle]]
|-
|-
| 0x0012....
| 0x001200C0
| ?
| ?
| Uses pm:app cmdA&B
| [[NSS:SetApplicationCpuTimeLimit|SetApplicationCpuTimeLimit]]
|-
|-
| 0x0013....
| 0x00130000
| ?
| ?
| ?
| ?
|-
|-
| 0x0014....
| 0x00140042
| ?
| ?
| ?
| ?
|-
|-
| 0x0015....
| 0x00150140
| ?
| ?
| [[NSS:LaunchApplication|LaunchApplication]]
|-
|-
| 0x00160000
| 0x00160000
| [[8.0.0-18]]
| [[8.0.0-18]]
| This triggers a hw-reboot.
| [[NSS:RebootSystemClean|RebootSystemClean]]
|}
|}
The maximum sessions that can be used with this service is two, therefore only two processes can use this service at the same time.
The maximum sessions that can be used with this service is two, therefore only two processes can use this service at the same time.
=NS Service "ns:p"=
=NS Power Service "ns:p"=
{| class="wikitable" border="1"
|-
! Command Header
! Description
|-
| 0x00010040
| [[NSP:RebootSystem|RebootSystem]]
|-
| 0x00020000
| [[NSS:ShutdownAsync|ShutdownAsync]]
|}
This was added with [[3.0.0-5]]. The PTM sysmodule connects to this service, and syncs whenever [[PTM|ptm:s GetShellState()]] changes.
This was added with [[3.0.0-5]]. The PTM sysmodule connects to this service, and syncs whenever [[PTM|ptm:s GetShellState()]] changes.
=NS Service "ns:c"=
=NS Service "ns:c"=
{| class="wikitable" border="1"
|-
! Command Header
! Description
|-
| 0x00010100
| ?
|-
| 0x00020100
| ?
|}
This was added with [[5.0.0-11]], it's unknown what this is used for.
This was added with [[5.0.0-11]], it's unknown what this is used for.
|
|
| Yes
| Yes
| GetLockHandle
| [[APT:GetLockHandle|GetLockHandle]]
|-
|-
| 0x00020080
| 0x00020080
|
|
| See [[APTU:Initialize|here]].
| See [[APT:Initialize|here]].
| [[APTU:Initialize|Initialize]]
| [[APT:Initialize|Initialize]]
|-
|-
| 0x00030040
| 0x00030040
|
|
| Yes
| Yes
| Enable
| [[APT:Enable|Enable]]
|-
|-
| 0x00040040
| 0x00040040
|
|
| Yes
| Yes
| Finalize
| [[APT:Finalize|Finalize]]
|-
|-
| 0x00050040
| 0x00050040
| 0x00060040
| 0x00060040
|
|
| Yes
| Yes, for AppID != 0x300
| [[APT:GetAppletInfo|GetAppletInfo]]
| [[APT:GetAppletInfo|GetAppletInfo]]
|-
|-
|
|
| Yes
| Yes
| GetLastSignaledAppletId
| [[APT:GetLastSignaledAppletId|GetLastSignaledAppletId]]
|-
|-
| 0x00080000
| 0x00080000
|
|
| Yes
| Yes
| CountRegisteredApplet
| [[APT:CountRegisteredApplet|CountRegisteredApplet]]
|-
|-
| 0x00090040
| 0x00090040
|
|
| Yes
| Yes
| GetAttribute
| [[APT:GetAttribute|GetAttribute]]
|-
|-
| 0x000B0040
| 0x000B0040
|
|
| Yes
| Yes
| [[APTU:GetSignalType|InquireNotification]]
| [[APT:InquireNotification|InquireNotification]]
|-
|-
| 0x000C0104
| 0x000C0104
|
|
| Yes
| Yes
| DebugFunc
| [[APT:DebugFunc|DebugFunc]]
|-
|-
| 0x001100C0
| 0x001100C0
|
|
| Yes
| Yes
| SetHomeMenuAppletIdForDebug
| [[APT:SetHomeMenuAppletIdForDebug|SetHomeMenuAppletIdForDebug]]
|-
|-
| 0x00130000
| 0x00130000
|
|
| Yes
| Yes
| GetPreparationState
| [[APT:GetPreparationState|GetPreparationState]]
|-
|-
| 0x00140040
| 0x00140040
|
|
| Yes
| Yes
| SetPreparationState
| [[APT:SetPreparationState|SetPreparationState]]
|-
|-
| 0x00150140
| 0x00150140
|
|
| Yes
| Yes
| PreloadLibraryApplet
| [[APT:PreloadLibraryApplet|PreloadLibraryApplet]]
|-
|-
| 0x00170040
| 0x00170040
|
|
| Yes
| Yes
| FinishPreloadingLibraryApplet
| [[APT:FinishPreloadingLibraryApplet|FinishPreloadingLibraryApplet]]
|-
|-
| 0x00180040
| 0x00180040
|
|
| Yes
| Yes
| PrepareToStartLibraryApplet
| [[APT:PrepareToStartLibraryApplet|PrepareToStartLibraryApplet]]
|-
|-
| 0x00190040
| 0x00190040
|
|
| Yes
| Yes
| PrepareToStartNewestHomeMenu
| [[APT:PrepareToStartNewestHomeMenu|PrepareToStartNewestHomeMenu]]
|-
|-
| 0x001B00C4
| 0x001B00C4
|
|
| Yes
| Yes
| WakeupApplication
| [[APT:WakeupApplication|WakeupApplication]]
|-
|-
| 0x001D0000
| 0x001D0000
|
|
| Yes
| Yes
| CancelApplication
| [[APT:CancelApplication|CancelApplication]]
|-
|-
| 0x001E0084
| 0x001E0084
|
|
| Yes
| Yes
| StartLibraryApplet
| [[APT:StartLibraryApplet|StartLibraryApplet]]
|-
|-
| 0x001F0084
| 0x001F0084
|
|
| No
| No
| OrderToCloseApplication
| [[APT:OrderToCloseApplication|OrderToCloseApplication]]
|-
|-
| 0x00220040
| 0x00220040
|
|
| Yes
| Yes
| PrepareToCloseApplication(bool isJumpToHome)
| [[APT:PrepareToCloseApplication|PrepareToCloseApplication]]
|-
|-
| 0x00230040
| 0x00230040
|
|
| Yes
| Yes
| PrepareToJumpToApplication
| [[APT:PrepareToJumpToApplication|PrepareToJumpToApplication]]
|-
|-
| 0x00240044
| 0x00240044
|
|
| Yes
| Yes
| JumpToApplication
| [[APT:JumpToApplication|JumpToApplication]]
|-
|-
| 0x002500C0
| 0x002500C0
|
|
| Yes
| Yes
| PrepareToCloseLibraryApplet
| [[APT:PrepareToCloseLibraryApplet|PrepareToCloseLibraryApplet]]
|-
|-
| 0x00260000
| 0x00260000
|
|
| Yes
| Yes
| PrepareToCloseSystemApplet
| [[APT:PrepareToCloseSystemApplet|PrepareToCloseSystemApplet]]
|-
|-
| 0x00270044
| 0x00270044
|
|
| Yes
| Yes
| CloseApplication
| [[APT:CloseApplication|CloseApplication]]
|-
|-
| 0x00280044
| 0x00280044
|
|
| Yes
| Yes
| CloseLibraryApplet
| [[APT:CloseLibraryApplet|CloseLibraryApplet]]
|-
|-
| 0x00290044
| 0x00290044
|
|
| Yes
| Yes
| CloseSystemApplet
| [[APT:CloseSystemApplet|CloseSystemApplet]]
|-
|-
| 0x002A0000
| 0x002A0000
|
|
| Yes
| Yes
| OrderToCloseSystemApplet
| [[APT:OrderToCloseSystemApplet|OrderToCloseSystemApplet]]
|-
|-
| 0x002B0000
| 0x002B0000
|
|
| Yes
| Yes
| PrepareToJumpToHomeMenu
| [[APT:PrepareToJumpToHomeMenu|PrepareToJumpToHomeMenu]]
|-
|-
| 0x002C0044
| 0x002C0044
|
|
| Yes
| Yes
| JumpToHomeMenu
| [[APT:JumpToHomeMenu|JumpToHomeMenu]]
|-
|-
| 0x002D0000
| 0x002D0000
|
|
| Yes
| Yes
| PrepareToLeaveHomeMenu
| [[APT:PrepareToLeaveHomeMenu|PrepareToLeaveHomeMenu]]
|-
|-
| 0x002E0044
| 0x002E0044
|
|
| Yes
| Yes
| LeaveHomeMenu
| [[APT:LeaveHomeMenu|LeaveHomeMenu]]
|-
|-
| 0x002F0040
| 0x002F0040
|
|
| Yes
| Yes
| PrepareToLeaveResidentApplet
| [[APT:PrepareToLeaveResidentApplet|PrepareToLeaveResidentApplet]]
|-
|-
| 0x00300044
| 0x00300044
|
|
| Yes
| Yes
| LeaveResidentApplet
| [[APT:LeaveResidentApplet|LeaveResidentApplet]]
|-
|-
| 0x00310100
| 0x00310100
|
|
| Yes
| Yes
| GetProgramIdOnApplicationJump
| [[APT:GetProgramIdOnApplicationJump|GetProgramIdOnApplicationJump]]
|-
|-
| 0x00340084
| 0x00340084
|
|
| Yes
| Yes
| ReceiveDeliverArg
| [[APT:ReceiveDeliverArg|ReceiveDeliverArg]]
|-
|-
| 0x00360040
| 0x00360040
|
|
| Yes
| Yes
| PreloadResidentApplet
| [[APT:PreloadResidentApplet|PreloadResidentApplet]]
|-
|-
| 0x00390040
| 0x00390040
|
|
| Yes
| Yes
| PrepareToStartResidentApplet
| [[APT:PrepareToStartResidentApplet|PrepareToStartResidentApplet]]
|-
|-
| 0x003A0044
| 0x003A0044
|
|
| Yes
| Yes
| StartResidentApplet
| [[APT:StartResidentApplet|StartResidentApplet]]
|-
|-
| 0x003B0040
| 0x003B0040
|
|
| Yes
| Yes
| CancelLibraryApplet
| [[APT:CancelLibraryApplet|CancelLibraryApplet]]
|-
|-
| 0x003C0042
| 0x003C0042
|
|
| Yes
| Yes
| SendDspSleep
| [[APT:SendDspSleep|SendDspSleep]]
|-
|-
| 0x003D0042
| 0x003D0042
|
|
| Yes
| Yes
| SendDspWakeUp
| [[APT:SendDspWakeUp|SendDspWakeUp]]
|-
|-
| 0x003E0080
| 0x003E0080
|
|
| Yes
| Yes
| ReplySleepQuery
| [[APT:ReplySleepQuery|ReplySleepQuery]]
|-
|-
| 0x003F0040
| 0x003F0040
|
|
| Yes
| Yes
| ReplySleepNotificationComplete
| [[APT:ReplySleepNotificationComplete|ReplySleepNotificationComplete]]
|-
|-
| 0x00400042
| 0x00400042
|
|
| Yes
| Yes
| SleepSystem
| [[APT:SleepSystem|SleepSystem]]
|-
|-
| 0x00430040
| 0x00430040
|
|
| Yes
| Yes
| NotifyToWait
| [[APT:NotifyToWait|NotifyToWait]]
|-
|-
| 0x00440000
| 0x00440000
|
|
| Yes
| Yes
| GetSharedFont
| [[APT:GetSharedFont|GetSharedFont]]
|-
|-
| 0x00450040
| 0x00450040
|
|
| Yes
| Yes
| GetWirelessRebootInfo
| [[APT:GetWirelessRebootInfo|GetWirelessRebootInfo]]
|-
|-
| 0x00460104
| 0x00460104
|
|
| Yes
| Yes
| SetFatalErrDispMode
| [[APT:SetFatalErrDispMode|SetFatalErrDispMode]]
|-
|-
| 0x004D0080
| 0x004D0080
|
|
| Yes
| Yes
| HardwareResetAsync
| [[APT:HardwareResetAsync|HardwareResetAsync]]
|-
|-
| 0x004F0080
| 0x004F0080
| [[APT:GetApplicationCpuTimeLimit|GetApplicationCpuTimeLimit]]
| [[APT:GetApplicationCpuTimeLimit|GetApplicationCpuTimeLimit]]
|-
|-
| 0x0051....
| 0x00510080
| [[3.0.0-5]]
| [[3.0.0-5]]
| ?
| Yes
| Uses pm:app cmdB
| [[APT:GetStartupArgument|GetStartupArgument]]
|-
|-
| 0x00520104
| 0x00520104
| [[4.0.0-7]]
| [[4.0.0-7]]
| ?
| Yes
| Wrap1
| [[APT:Wrap1|Wrap1]]
|-
|-
| 0x00530104
| 0x00530104
| [[4.0.0-7]]
| [[4.0.0-7]]
| ?
| Yes
| Unwrap1
| [[APT:Unwrap1|Unwrap1]]
|-
|-
| 0x00540040
| 0x00540040
| [[7.0.0-13]]
| [[7.0.0-13]]
| Yes
| Yes
| This writes the input u8 to a NS state field.
| [[APT:SetScreencapPostPermission|SetScreencapPostPermission]]
|-
|-
| 0x00560000
| 0x00560000
| [[7.0.0-13]]
| [[7.0.0-13]]
| Yes
| Yes
| This returns an u8 NS state field(which can be set by cmd 0x00550040), at cmdreply+8.
| [[APT:GetScreencapPostPermission|GetScreencapPostPermission]]
|-
|-
| 0x00570044
| 0x00570044
| [[7.0.0-13]]
| [[7.0.0-13]]
| ?
| ?
| WakeupApplication2?
| [[APT:WakeupApplication2|WakeupApplication2]]
|-
|-
| 0x00580002
| 0x00580002
| [[7.0.0-13]]
| [[7.0.0-13]]
| ?
| Yes
| ?
| [[APT:GetProgramID|GetProgramID]]
|-
|-
| 0x01010000
| 0x01010000
| [[8.0.0-18]]
| [[8.0.0-18]]
| Yes
| Yes
| This writes an output u8 to cmdreply indexword[2]. This uses [[PTMSYSM:CheckNew3DS]]. When a certain NS state field is non-zero, the output value is zero, otherwise the output is from [[PTMSYSM:CheckNew3DS]]. Normally this NS state field is zero, however this state field is set to 1 when [[APT:PrepareToStartApplication]] is used with flags bit8 is set.
| [[APT:CheckNew3DSApp|CheckNew3DSApp]]
|-
|-
| 0x01020000
| 0x01020000
| [[8.0.0-18]]
| [[8.0.0-18]]
| Yes
| Yes
| Wrapper for [[PTMSYSM:CheckNew3DS]].
| [[APT:CheckNew3DS|CheckNew3DS]]
|-
|-
| 0x01030000
| 0x01030000
| [[8.0.0-18]]
| [[8.0.0-18]]
| Yes
| Yes
| ?
| This writes an output u8 to cmdreply[2], the value is determined by checking various NS internal state + whether this is a New3DS.
The normal output seems to be value 0x2. Forcing this value to 0x1 causes New3DS HID usage(via ir:USER) in Smash Bros to be disabled.
|-
|-
| 0x01040000
| 0x01040000
| [[8.0.0-18]]
| [[8.0.0-18]]
| ?
| ?
| [[APT:IsStandardMemoryLayout|IsStandardMemoryLayout]]
|-
| 0x01050100
| [[10.4.0-29]]
| ?
| ?
| [[APT:IsTitleAllowed|IsTitleAllowed]]
|}
|}
APT:PrepareToDoApplicationJump and APT:DoApplicationJump are used by applications, for launching native/<non-NATIVE_FIRM> applications. These commands notify Home Menu that title launching needs done, Home Menu does the actual title launching via NS commands.
APT:PrepareToDoApplicationJump and APT:DoApplicationJump are used by applications, for launching native/<non-NATIVE_FIRM> applications. These commands notify Home Menu that title launching needs done, Home Menu does the actual title launching via NS commands.
== AppletAttr ==
{| class="wikitable" border="1"
|-
! Bits
! Description
|-
| 0-2
| [[NS_and_APT_Services#AppletPos|AppletPos]]
|-
| 3
| Manually Acquire/Release GPU Rights
|-
| 4
| Manually Acquire/Release DSP Rights
|-
| 5
| ?
|}
== DisplayBufferMode ==
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0
| FORMAT_R8G8B8A8
|-
| 1
| FORMAT_R8G8B8
|-
| 2
| FORMAT_R5G6B5
|-
| 3
| FORMAT_R5G5B5A1
|-
| 4
| FORMAT_R4G4B4A4
|-
| 0xFFFFFFFF
| FORMAT_UNIMPORTABLE
|}
This is the same mapping as used for the [[GPU/External_Registers#Framebuffer_color_formats|GPU framebuffer color formats]].
== AppletPos ==
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| -1
| POS_NONE
|-
| 0
| POS_APP
|-
| 1
| POS_APPLIB
|-
| 2
| POS_SYS
|-
| 3
| POS_SYSLIB
|-
| 4
| POS_RESIDENT
|}
== QueryReply ==
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0
| REPLY_REJECT
|-
| 1
| REPLY_ACCEPT
|-
| 2
| REPLY_LATER
|}
== Notification ==
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0
| NOTIFICATION_NONE
|-
| 1
| NOTIFICATION_HOME_BUTTON_1
|-
| 2
| NOTIFICATION_HOME_BUTTON_2
|-
| 3
| NOTIFICATION_SLEEP_QUERY
|-
| 4
| NOTIFICATION_SLEEP_CANCELED_BY_OPEN
|-
| 5
| NOTIFICATION_SLEEP_ACCEPTED
|-
| 6
| NOTIFICATION_SLEEP_AWAKE
|-
| 7
| NOTIFICATION_SHUTDOWN
|-
| 8
| NOTIFICATION_POWER_BUTTON_CLICK
|-
| 9
| NOTIFICATION_POWER_BUTTON_CLEAR
|-
| 10
| NOTIFICATION_TRY_SLEEP
|-
| 11
| NOTIFICATION_ORDER_TO_CLOSE
|}
== Command ==
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0
| COMMAND_NONE
|-
| 1
| COMMAND_WAKEUP
|-
| 2
| COMMAND_REQUEST
|-
| 3
| COMMAND_RESPONSE
|-
| 4
| COMMAND_EXIT
|-
| 5
| COMMAND_MESSAGE
|-
| 6
| COMMAND_HOME_BUTTON_SINGLE
|-
| 7
| COMMAND_HOME_BUTTON_DOUBLE
|-
| 8
| COMMAND_DSP_SLEEP
|-
| 9
| COMMAND_DSP_WAKEUP
|-
| 10
| COMMAND_WAKEUP_BY_EXIT
|-
| 11
| COMMAND_WAKEUP_BY_PAUSE
|-
| 12
| COMMAND_WAKEUP_BY_CANCEL
|-
| 13
| COMMAND_WAKEUP_BY_CANCELALL
|-
| 14
| COMMAND_WAKEUP_BY_POWER_BUTTON_CLICK
|-
| 15
| COMMAND_WAKEUP_TO_JUMP_HOME
|-
| 16
| COMMAND_REQUEST_FOR_SYS_APPLET
|-
| 17
| COMMAND_WAKEUP_TO_LAUNCH_APPLICATION
|-
| 0x41
| Unknown. [[APT:ReceiveParameter|Received]] by Home Menu during boot when the Home Menu process doesn't terminate properly(svcExitProcess/crash).
|}
== AppletPreparationState ==
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0
| NO_PREPARATION
|-
| 1
| PREPARED_TO_LAUNCH_APP
|-
| 2
| PREPARED_TO_CLOSE_APP
|-
| 3
| PREPARED_TO_FORCE_TO_CLOSE_APP
|-
| 4
| PREPARED_TO_PRELOAD_APPLIB
|-
| 5
| PREPARED_TO_LAUNCH_APPLIB
|-
| 6
| PREPARED_TO_CLOSE_APPLIB
|-
| 7
| PREPARED_TO_LAUNCH_SYS
|-
| 8
| PREPARED_TO_CLOSE_SYS
|-
| 9
| PREPARED_TO_PRELOAD_SYSLIB
|-
| 10
| PREPARED_TO_LAUNCH_SYSLIB
|-
| 11
| PREPARED_TO_CLOSE_SYSLIB
|-
| 12
| PREPARED_TO_LAUNCH_RESIDENT
|-
| 13
| PREPARED_TO_LEAVE_RESIDENT
|-
| 14
| PREPARED_TO_DO_HOMEMENU
|-
| 15
| PREPARED_TO_LEAVE_HOMEMENU
|-
| 16
| PREPARED_TO_START_RESIDENT
|-
| 17
| PREPARED_TO_DO_APP_JUMP
|-
| 18
| PREPARED_TO_FORCE_TO_CLOSE_SYS
|-
| 19
| PREPARED_TO_LAUNCH_OTHER_SYS
|-
| 20
| PREPARED_TO_JUMP_TO_APP
|}
== StartupArgumentType ==
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0
| STARTUP_ARGUMENT_TYPE_OTHER_APP
|-
| 1
| STARTUP_ARGUMENT_TYPE_RESTART
|-
| 2
| STARTUP_ARGUMENT_TYPE_OTHER_MEDIA
|}
== CaptureBufferInfo ==
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x4
| u32, Size
|-
| 0x4
| 0x1
| u8, 3D (0 = not 3D, 1 = 3D)
|-
| 0x5
| 0x3
| Reserved
|-
| 0x8
| 0x4
| Main Screen Left Offset
|-
| 0xC
| 0x4
| Main Screen Right Offset
|-
| 0x10
| 0x4
| Main Screen [[NS_and_APT_Services#DisplayBufferMode|DisplayBufferMode]]
|-
| 0x14
| 0x4
| Sub Screen Left Offset
|-
| 0x18
| 0x4
| Sub Screen Right Offset
|-
| 0x1C
| 0x4
| Sub Screen [[NS_and_APT_Services#DisplayBufferMode|DisplayBufferMode]]
|}
==WirelessRebootInfo==
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x6
| Host MAC address.
|-
| 0x6
| 0x9
| WirelessRebootPassphrase
|-
| 0xF
| 0x1
| Uninitialized
|}
This is [[NSS:SetWirelessRebootInfo|setup]] by the dlplay system-application, before launching the DLP-child which can then use [[APT:GetWirelessRebootInfo]]. The MAC address and passphrase is used for connecting to the host by the DLP-child. See also [[DLP_Services|here]].
="APT:A" Service=
="APT:A" Service=
This was added with [[7.0.0-13|7.0.0-X]]. Official apps built with the CTRSDK for system-version >=[[7.0.0-13|7.0.0-X]] normally use the "APT:A" service instead of "APT:U". Those processes also have "APT:A" instead of "APT:U" in the service-access-control. It's unknown whether there's anything which is only accessible via "APT:A".
This was added with [[7.0.0-13|7.0.0-X]]. Official apps built with the CTRSDK for system-version >=[[7.0.0-13|7.0.0-X]] normally use the "APT:A" service instead of "APT:U". Those processes also have "APT:A" instead of "APT:U" in the service-access-control. It's unknown whether there's anything which is only accessible via "APT:A".
=System Applets=
=Applets=
NS module does not verify that the input appID for the APT service cmds are correct for that type of command. For example, a process-launch of a SystemApplet via LibraryApplet commands works fine(minus the launched-process side of APT probably).
==System Applets==
On Old3DS there could only be one applet here(Home Menu, Internet Browser, Friend-List, etc) with programID-high 00040030 running at a time. On Old3DS when directly launching one of these 00040030 applets with Home Menu, the Home Menu process will terminate once the process is launched. On Old3DS when returning to Home Menu from that launched process, the Home Menu process is launched again.
On New3DS the Home Menu process is still running/in-memory, while another system-applet is running. On New3DS it appears that the Home Menu process is terminated+relaunched, when another system-applet terminated without exiting with APT properly.
=Library Applets=
==Library Applets==
Library applets can be launched by applications and regular applets. These library applets render to the screen(s) when running, etc. For example, this includes swkbd for text input. See the below appIDs in the 0x2XX range, the actual appID used is 0x4XX however.
Library applets can be launched by applications and regular applets. These library applets render to the screen(s) when running, etc. For example, this includes swkbd for text input. See the below appIDs in the 0x2XX range, the actual appID used is 0x4XX however.
|-
|-
| 0x101
| 0x101
| Home Menu (menu)
| [[Home Menu]] (menu)
|-
|-
| 0x103
| 0x103
|-
|-
| 0x110
| 0x110
| Camera applet (CtrApp)
| Camera applet ([[Camera Applet|CtrApp]])
|-
|-
| 0x112
| 0x112
| Friends List applet (friend)
| Friends List applet ([[Friend List|friend]])
|-
|-
| 0x113
| 0x113
|-
|-
| 0x116
| 0x116
| Notifications applet (newslist)
| [[Notifications]] applet (newslist)
|-
|-
| 0x117
| 0x117
|-
|-
| 0x118
| 0x118
| Miiverse posting applet (solv3)
| [[Miiverse]] posting applet (solv3)
|-
|-
| 0x119
| 0x119
|-
|-
| 0x202
| 0x202
| Mii Selector (appletEd) (?)
| [[Mii Selector]] (appletEd) (?)
|-
|-
| 0x204
| 0x204
|-
|-
| 0x206
| 0x206
| Error Display (error) (?)
| Error Display ([[ErrDisp|error]]) (?)
|-
|-
| 0x207
| 0x207
| eShop applet (mint) (?)
| eShop applet ([[EShop#NS_eShop_application_parameters|mint]]) (?)
|-
|-
| 0x208
| 0x208