eshu Posted December 11, 2016 Share Posted December 11, 2016 (edited) Also, that's a good upportunity to EF[sC] to 6502.ts. Are you perchance hitting NUSIZ just when the first pixel is being rendered? So the missile (M1) is also being moved - something like: 0000XX 000XX0 00XX00 00XX00 000XX0 0000XX but shown as: 0000X0 000X00 00X000 00X000 000X00 0000X0 So I don't think it's an off by one pixel, but it could be off by one machine cycle......I haven't looked at the code for literally years, so I wouldn't like to promise that the old Stella TIA core had it right......I have the source code on an old HDD somewhere, so as Thomas suggests I should maybe try to build a version that works on normal Harmony at some point, if I remember correctly the bank switching etc.. was pretty tight and it wouldn't be as straightforward as you might think to change the bank switching scheme.. Edited December 11, 2016 by eshu Quote Link to comment Share on other sites More sharing options...
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