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Elite on the BBC Micro

Drawing ships: DOEXP [Disc version, Docked]

Name: DOEXP [Show more] Type: Subroutine Category: Drawing ships Summary: Draw an exploding ship Deep dive: Drawing explosion clouds Generating random numbers
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: * LL9 (Part 1 of 12) calls DOEXP * LL9 (Part 9 of 12) calls DOEXP
.EX2 LDA INWK+31 \ Set bits 5 and 7 of the ship's byte #31 to denote that ORA #%10100000 \ the ship is exploding and has been killed STA INWK+31 RTS \ Return from the subroutine .DOEXP RTS \ Return from the subroutine