The IKNS variable - Elite on the 6502

       Name: IKNS                                                    [Show more]
       Type: Variable
   Category: Keyboard
    Summary: Lookup table for in-flight keyboard controls
  Deep dive: The key logger
    Context: See this variable in context in the source code
 Variations: See code variations for this variable in the different versions
 References: This variable is used as follows:
             * FILLKL uses IKNS


 Keyboard table for in-flight controls. This table contains the internal key
 codes for the flight keys, EOR'd with &FF to invert each bit.


.IKNS

 EQUB &DD EOR &FF       \ E         IKNS+0    KY13     E.C.M.
 EQUB &DC EOR &FF       \ T         IKNS+1    KY10     Arm missile
 EQUB &CA EOR &FF       \ U         IKNS+2    KY11     Unarm missile
 EQUB &C8 EOR &FF       \ P         IKNS+3    KY16     Cancel docking computer
 EQUB &BE EOR &FF       \ A         IKNS+4    KY7      Fire lasers
 EQUB &BD EOR &FF       \ X         IKNS+5    KY5      Pull up
 EQUB &BA EOR &FF       \ J         IKNS+6    KY14     In-system jump
 EQUB &AE EOR &FF       \ S         IKNS+7    KY6      Pitch down
 EQUB &AD EOR &FF       \ C         IKNS+8    KY15     Docking computer
 EQUB &9F EOR &FF       \ TAB       IKNS+9    KY8      Energy bomb
 EQUB &9D EOR &FF       \ Space     IKNS+10   KY2      Speed up
 EQUB &9A EOR &FF       \ M         IKNS+11   KY12     Fire missile
 EQUB &99 EOR &FF       \ <         IKNS+12   KY3      Roll left
 EQUB &98 EOR &FF       \ >         IKNS+13   KY4      Roll right
 EQUB &97 EOR &FF       \ ?         IKNS+14   KY1      Slow down
 EQUB &8F EOR &FF       \ ESCAPE    IKNS+15   KY9      Launch escape pod

 EQUB &F0               \ This value just has to be higher than &80 to act as a
                        \ terminator for the IKNS matching process in FILLKL
Keyboard: IKNS

[BBC Master version]
