Skip to navigation

⌂ ∞ Elite on the BBC Micro and NES

Dashboard: SPBLB

[Elite-A, Parasite]

       Name: SPBLB                                                   [Show more]
       Type: Subroutine
   Category: Dashboard
    Summary: Light up the space station indicator ("S") on the dashboard by
             sending a draw_S command to the I/O processor

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * KS4 calls SPBLB
             * NWSPS calls SPBLB
             * RES2 calls SPBLB




.SPBLB

 LDA #&92               \ Send command &92 to the I/O processor:
 JMP tube_write         \
                        \   draw_S()
                        \
                        \ which will toggle the space station indicator ("S") on
                        \ the dashboard and return from the subroutine using a
                        \ tail call