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⌂ ∞ Elite on the BBC Micro and NES

Sound: SOOFF

[BBC Master version]

       Name: SOOFF                                                   [Show more]
       Type: Variable
   Category: Sound
    Summary: Sound chip data to turn the volume down on all channels and to act
             as a mask for choosing a tone channel in the range 0-2

    Context: See this variable in context in the source code
 References: This variable is used as follows:
             * SOFLUSH uses SOOFF
             * SOINT uses SOOFF




.SOOFF

 EQUB %11111111         \            %1         %11               %1     %1111
                        \ Latch byte (1), channel 3, volume latch (1), data 15

 EQUB %10111111         \            %1         %01               %1     %1111
                        \ Latch byte (1), channel 1, volume latch (1), data 15

 EQUB %10011111         \            %1         %00               %1     %1111
                        \ Latch byte (1), channel 0, volume latch (1), data 15

 EQUB %11011111         \            %1         %10               %1     %1111
                        \ Latch byte (1), channel 2, volume latch (1), data 15

 EQUB %11101111         \            %1         %11             %0       %1111
                        \ Latch byte (1), channel 3,   tone latch (0), data 15