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