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Elite on the BBC Micro

Drawing planets: PL21 (Cassette version)

Name: PL21 [View in context] Type: Subroutine [Compare versions] Category: Drawing planets Summary: Return from a planet/sun-drawing routine with a failure flag
Set the C flag and return from the subroutine. This is used to return from a planet- or sun-drawing routine with the C flag indicating an overflow in the calculation.
.PL21 SEC \ Set the C flag to indicate an overflow RTS \ Return from the subroutine