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⌂ ∞ Elite on the BBC Micro and NES

Text: print_tone

[Elite-A, I/O processor]

       Name: print_tone                                              [Show more]
       Type: Variable
   Category: Text
    Summary: Lookup table for converting mode 5 colour pixel rows to monochrome
             pixel pairs

    Context: See this variable in context in the source code
 References: This variable is used as follows:
             * printer uses print_tone




.print_tone

 EQUB %00000011         \ Bit 0 of the mode 5 pixel row (pixel 0) is set
 EQUB %00001100         \ Bit 1 of the mode 5 pixel row (pixel 1) is set
 EQUB %00110000         \ Bit 2 of the mode 5 pixel row (pixel 2) is set
 EQUB %11000000         \ Bit 3 of the mode 5 pixel row (pixel 3) is set

 EQUB %00000011         \ Bit 4 of the mode 5 pixel row (pixel 0) is set
 EQUB %00001100         \ Bit 5 of the mode 5 pixel row (pixel 1) is set
 EQUB %00110000         \ Bit 6 of the mode 5 pixel row (pixel 2) is set
 EQUB %11000000         \ Bit 7 of the mode 5 pixel row (pixel 3) is set