OS_ScreenMode 66 (changes)

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OS SWI Calls

» OS_ScreenMode

» OS_ScreenMode 66

OS_ScreenMode 66

(SWI &65)

Use

GraphicsV Device drivers should make this call when they wish to deregister themselves from the system. Once the call returns, the driver should no longer be receiving calls on GraphicsV and can safely remove itself from the vector by callingOS_Release. It can also stop generating VSync calls.

Notes

An error will be returned if the driver ID is invalid or the driver has not started itself using OS_ScreenMode 65.

Once the driver has released its claim on GraphicsV and stopped generating VSync calls, it should call OS_ScreenMode 67 to release the driver ID.

Service_DisplayStatus will be issued by this call in order to notify the rest of the system that the driver is shutting down.

See also

• OS_ScreenMode
• OS_ScreenMode 65
• OS_ScreenMode 67
• GraphicsV
• Service_DisplayStatus

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