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CAPS0ff News: Bad Dude #204
#363030 - 01/28/17 10:47 PM
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Re: CAPS0ff News: Bad Dude #204
[Re: RdW]
#363031 - 01/28/17 11:04 PM
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> http://caps0ff.blogspot.de/2017/01/besting-204-bad-dudes-ei319a.html
Mamedevs, what does that do for Bad Dudes' emulation, then?
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"Note to Noobs:
We are glad to help you but simply posting that something does not work is not going to lead to you getting help. The more information you can supply defining your problem, the less likely it will be that you will get smart-alec replies.
C.D.~"
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Re: CAPS0ff News: Bad Dude #204
[Re: Master O]
#363032 - 01/28/17 11:23 PM
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i can't open the link - neither can i find this post...
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Re: CAPS0ff News: Bad Dude #204
[Re: Team Europe]
#363034 - 01/28/17 11:52 PM
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> i can't open the link - neither can i find this post...
Try again
Edited by RdW (01/29/17 12:11 AM)
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| B2K24 |
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MAME @ 15 kHz Sony Trinitron CRT user
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Re: CAPS0ff News: Bad Dude #204
[Re: RdW]
#363035 - 01/29/17 12:11 AM
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It works for me but maybe it's because I viewed it earlier in the day so it's cached?
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| Qun Mang |
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Legend of Link
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Reged: 12/12/03
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Re: CAPS0ff News: Bad Dude #204
[Re: B2K24]
#363039 - 01/29/17 06:00 AM
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Might have something to do with this:
Quote:
Side note: post was supposed to go out early release to backers but accidentally went to general release. We apologize to the backers, but it got a lot of attention in the short time that it was out, so we think it is best at this point to just keep it out there. We'll fix this for future posts.
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Re: CAPS0ff News: Bad Dude #204
[Re: RdW]
#363043 - 01/29/17 12:37 PM
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I checked the dump for errors, and it looks like there's only a single bit wrong in the handler for a command the game never uses (unfortunately that command verifies the MCU program ROM checksum, so we can't verify that the dump is good that way). I also worked out a 1-byte hack that will make the dump work with Dragonninja, although it may be imperfect.
It's the usual protection tricks - doing minor bit manipulations on the input and returning it, keeping an internal state variable and resetting if input from the host doesn't match expected values from a table. One feature we didn't simulate at all is the ability to count using an internal timer and send the count values to the host CPU without receiving a command.
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Re: CAPS0ff News: Bad Dude #204
[Re: Vas Crabb]
#363065 - 01/29/17 09:25 PM
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> I checked the dump for errors, and it looks like there's only a single bit wrong in
> the handler for a command the game never uses (unfortunately that command verifies
> the MCU program ROM checksum, so we can't verify that the dump is good that way). I
> also worked out a 1-byte hack that will make the dump work with Dragonninja, although
> it may be imperfect.
>
> It's the usual protection tricks - doing minor bit manipulations on the input and
> returning it, keeping an internal state variable and resetting if input from the host
> doesn't match expected values from a table. One feature we didn't simulate at all is
> the ability to count using an internal timer and send the count values to the host
> CPU without receiving a command.
Will Caps0ff need another Bad Dudes PCB, then?
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"Note to Noobs:
We are glad to help you but simply posting that something does not work is not going to lead to you getting help. The more information you can supply defining your problem, the less likely it will be that you will get smart-alec replies.
C.D.~"
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Re: CAPS0ff News: Bad Dude #204
[Re: Master O]
#363067 - 01/29/17 10:43 PM
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> Will Caps0ff need another Bad Dudes PCB, then?
It'd be nice to get Bad Dudes and Dragonninja MCUs that haven't been damaged for confirmation, but what we've got works well enough to play through both games.
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