Sound: SOFLUSH

       Name: SOFLUSH                                                 [Show more]
       Type: Subroutine
   Category: Sound
    Summary: Reset the sound buffers and turn off all sound channels
    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * stopbd calls SOFLUSH
             * NOISE calls via SOUR1
             * NOISE2 calls via SOUR1
             * NOISEOFF calls via SOUR1


 Other entry points:

   SOUR1                Contains an RTS


.SOFLUSH

 LDY #3                 ; We need to zero the first 3 bytes of the sound buffer
                        ; at SOCNT, so set a counter in Y

 LDA #1                 ; Set A to 1 so we can reset the sound buffer to contain
                        ; values of 1

.SOUL2

 STA SOCNT-1,Y          ; Zero the Y-1th byte of SOCNT

 DEY                    ; Decrement the loop counter

 BNE SOUL2              ; Loop back to zero the next byte until we have done all
                        ; three from SOFLG+2 down to SOFLG

.SOUR1

 RTS                    ; Return from the subroutine