Extra tracks: HookJoystick (Part 2 of 3)

       Name: HookJoystick (Part 2 of 3)                              [Show more]
       Type: Subroutine
   Category: Extra tracks
    Summary: Apply enhanced joystick steering to specific track sections
  Deep dive: Secrets of the extra tracks
             Code hooks in the extra tracks
    Context: See this subroutine in context in the source code
 References: No direct references to this subroutine in this source file


.joys8

 LDY #181               \ Set Y = 181 so by default we scale the steering by
                        \ 1.00

 CMP #24                \ If the track section <> 24 (i.e. section 3), jump to
 BNE joys9              \ joys9 to keep checking

 LDY #205               \ Set Y = 205 so we scale the steering by 1.28

.joys9

 CMP #48                \ If the track section = 48 (i.e. section 6), jump to
 BEQ joys10             \ joys10 to scale the steering by 1.08

 CMP #40                \ If the track section <> 40 (i.e. section 5), jump to
 BNE joys11             \ joys11 to keep checking

.joys10

 LDY #188               \ Set Y = 188 so we scale the steering by 1.08

.joys11

 JMP joys12             \ Jump to part 3 to scale the steering