Main loop: MainLoop (Part 9 of 15)

       Name: MainLoop (Part 9 of 15)                                 [Show more]
       Type: Subroutine
   Category: Main loop
    Summary: Fill up the tank if the engine is switched off, and process the
             volume keys
  Deep dive: Program flow of the main game loop
    Context: See this subroutine in context in the source code
 References: No direct references to this subroutine in this source file


.main14

 LDA engineStatus       \ If the engine is on, jump to main15 to skip the
 BNE main15             \ following instruction

 JSR FillUpFuelTank     \ Fill up the fuel tank by one unit

.main15

 JSR ProcessVolumeKeys  \ Check the volume keys and adjust the sound volume
                        \ accordingly