Flight: DENGY, Removed

       Name: DENGY, Removed                                          [Show more]
       Type: Subroutine
   Category: Flight
    Summary: Drain some energy from the energy banks
    Context: See this subroutine in context in the source code
 References: No direct references to this subroutine in this source file


 Returns:

   Z flag               Set if we have no energy left, clear otherwise


                        \ --- Mod: Code removed for Elite-A: ------------------>

\.DENGY
\
\DEC ENERGY             \ Decrement the energy banks in ENERGY
\
\PHP                    \ Save the flags on the stack
\
\BNE P%+5               \ If the energy levels are not yet zero, skip the
\                       \ following instruction
\
\INC ENERGY             \ The minimum allowed energy level is 1, and we just
\                       \ reached 0, so increment ENERGY back to 1
\
\PLP                    \ Restore the flags from the stack, so we return with
\                       \ the Z flag from the DEC instruction above
\
\RTS                    \ Return from the subroutine

                        \ --- End of removed code ----------------------------->