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Arnethegreat

ASL/ROL Credits Warp Setup

Apr 21st, 2015
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  1. ASL/ROL method (multiplication)
  2. *needs more confirmation*
  3.  
  4. subpixel values easy to get:
  5. https://docs.google.com/document/d/1v3pDi0zxhs3_BoSRtis899d9_N8x8Q0u1FFcDOcqEs8/edit
  6.  
  7. Very easy to do on overworld in 1-1 - angled shots are very simple
  8. egg 18 with screen 0D seems to line up with goal yoshi thing
  9.  
  10. ?? = whatever
  11. () = any of these
  12. xx = unimportant/multiple choices - for alignment
  13. --------Sprites----------
  14. #18
  15. 00 ?? A9 (0B/0D)
  16.  
  17. #17
  18. 00 (0A/2A) xx xx
  19. or 00 xx (0A/2A) xx
  20.  
  21. ; xx = anything that goes into subpixels for next sprite
  22. ; But don't touch A or X (or Y if doing 00 99 strat for #16)
  23. ; nothing with stack too!
  24. ; Look at CMP CPY CPX instructions that are 3-bytes (CD D9 DD EC CC) if doing 0A/4A on subpixels
  25. ; ROL ROR ASL LSR TRB TSB $addr instructions will probably work too if it doesn't change anything too important
  26. ; STA STY STX STZ $addr should also all work if an important adress isn't changed
  27. ; if doing 0A/4A you need a 1 byte instrction and then a two byte, this is a lot trickier.
  28.  
  29. #16
  30. 00 99 4C 00 <- EZ
  31. or 00 8D 18 01
  32. or 00 9D 18 01
  33. or 00 8F 18 01 - #15 needs to be 6B for subpixels if doing this
  34. or 00 9F 18 01 - #15 needs to be 6B for subpixels if doing this
  35.  
  36. #15
  37. 00 ?? 6B ??
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