Dashboard: ABORT

       Name: ABORT                                                   [Show more]
       Type: Subroutine
   Category: Dashboard
    Summary: Disarm missiles and update the dashboard indicators
    Context: See this subroutine in context in the source code
 Variations: See code variations for this subroutine in the different versions
 References: This subroutine is called as follows:
             * FRMIS calls ABORT
             * KILLSHP calls via ABORT-2
             * Main flight loop (Part 3 of 16) calls via ABORT-2


 Arguments:

   Y                    The new status of the leftmost missile indicator


 Other entry points:

   ABORT-2              Set the indicator to disarmed (white square)


 LDY #&09               \ Set Y = &09 so we set the missile to a white square
                        \ (disarmed)

.ABORT

 LDX #&FF               \ Set X to &FF, which is the value of MSTG when we have
                        \ no target lock for our missile

                        \ Fall through into ABORT2 to set the missile lock to
                        \ the value in X, which effectively disarms the missile