Cisano Posted November 29, 2021 Share Posted November 29, 2021 (edited) Hi, I have a problem. I created a macro for update GRP1 X coordinate. Not the positioning, but only the value. The code is executed during vertical blank time. Y is used inside the Macro. All works great. ldy #0 UpdateGRP1_Macro I tried to use the same code by a Subroutine. ldy #0 jsr UpdateGRP1 It doesn't work good. The sprite movement is not smooth. Is there something I don't know about these 2 way to use code? Thanks. Edited November 29, 2021 by Cisano Quote Link to comment Share on other sites More sharing options...
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