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⌂ ∞ Elite on the BBC Micro and NES

Sound: ECMOF

[NES version, Bank 0]

       Name: ECMOF                                                   [Show more]
       Type: Subroutine
   Category: Sound
    Summary: Switch off the E.C.M.

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * FlightLoop4To16 calls ECMOF
             * RES2 calls ECMOF




 Switch the E.C.M. off, turn off the dashboard bulb and make the sound of the
 E.C.M. switching off).



.ECMOF

 LDA #0                 ; Set ECMA and ECMP to 0 to indicate that no E.C.M. is
 STA ECMA               ; currently running
 STA ECMP

 LDY #2                 ; Flush the sound channels for sound Y = 2 to stop the
 JMP FlushSpecificSound ; sound of the E.C.M. and return from the subroutine
                        ; using a tail call