AppSetup

Cleans up flags and hooks before running a flash application.

Address: $021148

Inputs:

Set bit in hookflags2Override, hookflags3Override, or hookflags4Override corresponding to a hookflags2, hookflags3, or hookflags4 hook to uninstall that hook.

Outputs:

Reset bufferOnly, (flags + plotFlag3).
Reset appRunning, (flags + APIFlg).
Zeroes out textFlags, apiFlg2, apiFlg3, apiFlg4, hookflags2Override, hookflags3Override, and hookflags4Override.

Destroys:

af, hl