Posted by Grey Mario

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Posted by DahrkDaiz

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video

You know you love it.

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You have just surpassed Super Mario World with SMB3.

Now all you need to do is add Yoshi.

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Posted by messiaen

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Nice to know there are other people interested in Yo! Noid, this game was quite popular in Brazil (but not Domino's Pizza, it sucks). I have some (very) sparse notes about the enemy/itens format and level header, I'll look through them and see what can be posted either here or at DataCrystal.

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Posted by frantik

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you should change the pointer to where the title screen data was moved to

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Posted by smkdan

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It's possible that the game wants the address, in which case you could do a JSR and a couple of PLA instructions, followed by adding 1 to the pair if need be. One would need to examine the code, primarily after the JSR, to understand what it's doing.

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I know SMW does this a fair bit and that metroid disassembly on RHDN does this too.

CODE_00C593: A5 71 LDA RAM_MarioAnimation CODE_00C595: 22 DF 86 00 JSL.L ExecutePtr AnimationSeqPtr: 68 CC .dw ResetAni ; 0 - Reset 29 D1 .dw PowerDownAni ; 1 - Power down 47 D1 .dw MushroomAni ; 2 - Mushroom power up 5F D1 .dw CapeAni ; 3 - Cape power up 6F D1 .dw FlowerAni ; 4 - Flower power up 97 D1 .dw DoorPipeAni ; 5 - Door/Horizontal pipe exit 03 D2 .dw VertPipeAni ; 6 - Vertical pipe exit 87 D2 .dw PipeCannonAni ; 7 - Shot out of diagonal pipe FD C7 .dw YoshiWingsAni ; 8 - Yoshi wings exit B6 D0 .dw MarioDeathAni ; 9 - Mario Death 70 C8 .dw EnterCastleAni ; A - Enter Castle B5 C5 .dw UnknownAniB ; B - freeze forever E7 C6 .dw UnknownAniC ; C - random movement?? 92 C5 .dw Return00C592 ; D - freeze forever

By placing pointer table right after the JSL/JSR, the routine that is being 'called' can pull the return address off the stack, add 1 and treat it as a pointer to the jump table which in this case is indexed by the value in A. This may be relevant considering you said that there's a pointer list after the JSR in the game.

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Posted by messiaen

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Posted by PSlugworth

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Posted by messiaen

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LO: Your graphical skills are getting really better, this looks very nice .

Here is something a bit different from my usual:

[screenshot removed]

Can you guess what is the game? Also, has anybody tried doing this approach (generic tile editors)?

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Holy crap, is that a Yo! Noid editor?

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Actually, it's way simpler than that. I just exported the tileset of one level, built a simple stage and after some minor modifications imported it back in the game. The level offsets can be found at DataCrystal, and the enemies/itens also use a simple format.

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Posted by messiaen

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There's no "plugin" involved, just the basic Tile Studio functionality. To get the tiles for this level, I modified the level data so that the tiles were displayed sequentially, took a screenshot and TS sets the rest.

The "Export Map" saved it in a different format that I wanted (horizontally instead of verticalically) so the only coding I had to do was a very simple program to change this.

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