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I have draw a picture about the hardward.
Anybody dose not connect the two items in real world.
The game machine would not work, and alarming error code with 66.
When I add the game in MAME, alarming error code with 66, I can not ask anyone to solve it?
I found two bugs with MAME, Can not I tell any body? The serious bug is the chip i8297, Array bounds with fifo ram! define is 8, and use is 16.
I am a newbie about mame dev, I thought it's my fault with 8031 Port, So I ask for help.
I have not any interest at cabinet or anything transfer.
I am sorry for my English level. I try it in Chinese.
因为i8279的bug,导致作为新手的我以为是i8031的端口有问题,因为添加给MAME的游戏启动报错是i8031的错,错误代码66,该端口连接的硬件错误,导致游戏不能运行,所以求助。经过核实,最后确认是mess团队提供的i8279的问题,里面定义8个字节的fifo ram,运行的时候是16个字节,导致数组越界。
为了排查这个问题,我拿游戏板,核对线路,草图如上。
[ATTACHED IMAGE - CLICK FOR FULL SIZE]
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the IC board picture.
[ATTACHED IMAGE]
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the i8279 bug cause the error code 66 picture.
[ATTACHED IMAGE]
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When I fixed the i8279's bug. Now it run fine.
[ATTACHED IMAGE]
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I have fixed the "kingdrby" game color and the small hardware bug.
[ATTACHED IMAGE]
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Re: Is it strictly forbidden?
[Re: lxd]
#322761 - 03/02/14 01:27 AM
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Re: Is it strictly forbidden?
[Re: sz72]
#322820 - 03/04/14 09:41 AM
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> It is not forbidden. > > If you have found a bug, you can report it at http://http://mametesters.org
and we would love to see the code which fixes the bugs you reported, of course those would be added (with credit to you) in next release
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Re: Is it strictly forbidden?
[Re: etabeta]
#323130 - 03/10/14 12:38 PM
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Why not unblock my first account of this Forums?
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