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JonBoyRetro
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Reged: 09/25/11
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Shao-Lin's Road Konami - possible sprite offset issue
#391313 - 07/14/21 10:47 PM Attachment: SLR-MAMEvsArcade.jpg 65 KB (0 downloads)


Comparing MAME with my bootleg PCB shows a slight difference as regards vertical sprite offset. In MAME, the feet are just above the grey line whereas on the PCB the feet are clearly *on* the grey line. See photos. Can someone check an original PCB to see if it is the same? Thanks.

System: MAMEUI 0.232 Windows 10

[ATTACHED IMAGE]

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God, I miss those dark, musty arcades ....



lain
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Reged: 10/25/12
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Re: Shao-Lin's Road Konami - possible sprite offset issue new [Re: JonBoyRetro]
#391320 - 07/16/21 01:56 AM


original PCB VIdeo
https://www.youtube.com/watch?v=l3f2goRuR98



JonBoyRetro
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Reged: 09/25/11
Posts: 82
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Re: Shao-Lin's Road Konami - possible sprite offset issue new [Re: lain]
#391331 - 07/18/21 12:27 PM Attachment: Shao-Lin's Road - original PCB.JPG 16 KB (0 downloads)


HI Iain and many thanks for that.

The resolution is not so great but I managed to get a scan which does appear to show that the vertical offset is out by a pixel (the red boot is on the lighter line of the platform).

So, the bootleg PCB and original PCB confirm the same issue.

If people agree, can this be logged as a (minor) bug?

Thank you.

[ATTACHED IMAGE]

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God, I miss those dark, musty arcades ....



Trebor
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Reged: 01/18/05
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Re: Shao-Lin's Road Konami - possible sprite offset issue new [Re: JonBoyRetro]
#391332 - 07/18/21 04:31 PM Attachment: SHAOLINS.png 1438 KB (0 downloads)


> (the red boot is on the lighter line of
> the platform).

The resolution is so low that may be a misinterpretation of the image due to display artifacts or color bleed. If changing the standing sprite position would impact all sprite positions, what needs to be considered is when the player sprite lies flat on its back, there is clearly a gap between the player and the floor.

If changing the sprite in the standing position would also adjust the player sprite so it ends up lying flush against the floor, it would definitely be incorrect to make such an adjustment.

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