Name:NwS1, Removed[Show more] Type:Subroutine Category:Universe Summary:Flip the sign and double an INWK byte
Context:See this subroutine in context in the source code References:No direct references to this subroutine in this source file
Flip the sign of the INWK byte at offset X, and increment X by 2. This is
used by the space station creation routine at NWSPS.
Arguments:XThe offset of the INWK byte to be flipped Returns:XX is incremented by 2
\ --- Mod: Code removed for Elite-A: ------------------>\.NwS1\\ LDA INWK,X \ Load the X-th byte of INWK into A and flip bit 7,\ EOR #%10000000 \ storing the result back in the X-th byte of INWK\ STA INWK,X\\ INX \ Add 2 to X\ INX\\ RTS \ Return from the subroutine\ --- End of removed code ----------------------------->