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⌂ ∞ Elite on the BBC Micro and NES

Flight: FastForwardJump

[NES version, Bank 0]

       Name: FastForwardJump                                         [Show more]
       Type: Subroutine
   Category: Flight
    Summary: Perform an in-system jump

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * WARP calls FastForwardJump




 Returns:

   C flag               The status at the end of the jump:

                          * Clear if the jump ends with us being far enough away
                            from the planet or sun to do another jump

                          * Set if the jump ends with us being too close to the
                            planet or sun to do another jump



.FastForwardJump

 JSR WaitForNMI         ; Wait until the next NMI interrupt has passed (i.e. the
                        ; next VBlank)

 JSR InSystemJump       ; Call InSystemJump to do an in-system jump

                        ; Fall through into CheckJumpSafety to work out if we
                        ; are too close to the planet or sun to do another
                        ; in-system jump, returning the result in the C flag
                        ; accordingly