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⌂ ∞ Elite on the BBC Micro and NES

Sound: BOOP

[NES version, Bank 7]

       Name: BOOP                                                    [Show more]
       Type: Subroutine
   Category: Sound
    Summary: Make a long, low beep

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * eq calls BOOP
             * EQSHP calls BOOP
             * HME2 calls BOOP
             * TT102 calls BOOP




.BOOP

 LDY #4                 ; Call the NOISE routine with Y = 4 to make a long, low
 BNE NOISE              ; beep, returning from the subroutine using a tail call
                        ; (this BNE is effectively a JMP as Y will never be
                        ; zero)