Cisano Posted December 10, 2021 Share Posted December 10, 2021 (edited) Hi. I have a problem. I use this subroutine for horizontal positioning of GRP0 and Missile1. I set the parameters of GRP0 and I call it and again for the M1 Position sec sta WSYNC bit 0 .DivideLoop sbc #15 bcs .DivideLoop eor #7 asl asl asl asl sta RESP0,y sta HMP0,y rts GRP0 is perfect, I can position it pixel by pixel. With missile not. The position seems every 3 pixels. Is there some reason? Thanks Edited December 10, 2021 by Cisano Quote Link to comment Share on other sites More sharing options...
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