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⌂ ∞ ▽ Elite on the 6502

Demo: PressMissileKey

[Elite Demonstration Disc]

       Name: PressMissileKey                                         [Show more]
       Type: Subroutine
   Category: Demo
    Summary: "Press" a key by populating the key logger directly

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * Main flight loop (Part 11 of 16) calls PressMissileKey
             * TACTICS (Part 6 of 7) calls PressMissileKey




 Arguments:

   A                    The internal key number to be "pressed"



                        \ --- Mod: Code added for Demonstration Disc: --------->

.PressMissileKey

 ORA #%10000000         \ Set bit 7 of the key that we need to "press", so that
                        \ it registers as a key press when we add it to the key
                        \ logger

 STA KL                 \ Store the key press in the key logger to "press" the
                        \ specified key

 RTS                    \ Return from the subroutine

                        \ --- End of added code ------------------------------->