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Elite on the BBC Micro

Drawing circles: LAUN (6502SP version)

Name: LAUN [View in context] Type: Subroutine [Compare versions] Category: Drawing circles Summary: Make the launch sound and draw the launch tunnel
This is shown when launching from or docking with the space station.
.LAUN LDA #48 \ Call the NOISE routine with A = 48 to make the sound JSR NOISE \ of the ship launching from the station LDA #8 \ Set the step size for the launch tunnel rings to 8, so \ there are fewer sections in the rings and they are \ quite polygonal (compared to the step size of 4 used \ in the much rounder hyperspace rings) \ Fall through into HFS2 to draw the launch tunnel rings