The KYTB variable - Elite on the 6502

       Name: KYTB                                                    [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
 References: No direct references to this variable in this source file


 This table is not used by the Commodore 64 version of Elite, and is left over
 from the BBC Micro version.


.KYTB

 RTS                    ; Return from the subroutine (used as an entry point and
                        ; a fall-through from above)

                        ; These are the primary flight controls (pitch, roll,
                        ; speed and lasers):

 EQUB $68 + 128         ; ?         KYTB+1      Slow down
 EQUB $62 + 128         ; Space     KYTB+2      Speed up
 EQUB $66 + 128         ; <         KYTB+3      Roll left
 EQUB $67 + 128         ; >         KYTB+4      Roll right
 EQUB $42 + 128         ; X         KYTB+5      Pull up
 EQUB $51 + 128         ; S         KYTB+6      Pitch down
 EQUB $41 + 128         ; A         KYTB+7      Fire lasers

                        ; These are the secondary flight controls:

 EQUB $60               ; TAB       KYTB+8      Energy bomb
 EQUB $70               ; ESCAPE    KYTB+9      Launch escape pod
 EQUB $23               ; T         KYTB+10     Arm missile
 EQUB $35               ; U         KYTB+11     Unarm missile
 EQUB $65               ; M         KYTB+12     Fire missile
 EQUB $22               ; E         KYTB+13     E.C.M.
 EQUB $45               ; J         KYTB+14     In-system jump
 EQUB $52               ; C         KYTB+15     Docking computer

 EQUB $37               ; P         KYTB+16     Cancel docking computer
Keyboard: KYTB

[Commodore 64 version]
