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⌂ ∞ Elite on the BBC Micro and NES

Flight: dockEd

[NES version, Bank 0]

       Name: dockEd                                                  [Show more]
       Type: Subroutine
   Category: Flight
    Summary: Print a message to say there is no hyperspacing allowed inside the
             station

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * GalacticHyperdrive calls dockEd
             * hyp calls dockEd




 Print "Docked" at the bottom of the screen to indicate we can't hyperspace
 when docked.



.dockEd

 JSR CLYNS              ; Clear the bottom two text rows of the upper screen,
                        ; and move the text cursor to column 1 on row 21, i.e.
                        ; the start of the top row of the two bottom rows

 LDA #15                ; Move the text cursor to column 15 (the middle of the
 STA XC                 ; screen), setting A to 15 at the same time for the
                        ; following call to TT27

 LDA #205               ; Print extended token 205 ("DOCKED") and return from
 JMP DETOK_b2           ; the subroutine using a tail call