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Elite on the BBC Micro

Dashboard: msblob [Disc version, Flight]

Name: msblob [Show more] Type: Subroutine Category: Dashboard Summary: Display the dashboard's missile indicators in green
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: * SOS1 calls msblob

Display the dashboard's missile indicators, with all the missiles reset to green/cyan (i.e. not armed or locked).
.msblob LDX #4 \ Set up a loop counter in X to count through all four \ missile indicators .ss CPX NOMSL \ If the counter is equal to the number of missiles, BEQ SAL8 \ jump down to SQL8 to draw remaining the missiles, as \ the rest of them are present and should be drawn in \ green/cyan LDY #0 \ Draw the missile indicator at position X in black JSR MSBAR DEX \ Decrement the counter to point to the next missile BNE ss \ Loop back to ss if we still have missiles to draw RTS \ Return from the subroutine .SAL8 LDY #&EE \ Draw the missile indicator at position X in green/cyan JSR MSBAR DEX \ Decrement the counter to point to the next missile BNE SAL8 \ Loop back to SAL8 if we still have missiles to draw RTS \ Return from the subroutine