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Correction, nw

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This commit is contained in:
angelosa 2016-06-05 13:48:52 +02:00
parent e90289ddd6
commit 4678526854
1 changed files with 7 additions and 3 deletions
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8
src/mame/drivers/galivan.cpp
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@ -24,8 +24,12 @@ TODO
but it should really copy stuff from the extra ROM. but it should really copy stuff from the extra ROM.
- Ninja Emaki has minor protection issues, see NB1414M4 simulation for more info. - Ninja Emaki has minor protection issues, see NB1414M4 simulation for more info.
- dangarj has unemulated protection at I/Os 0x80-1 for missing sprites. - dangarj has unemulated protection at I/Os 0x80-1 for missing sprites.
It then checks the checksum result with 0x27, jumps to unmapped ROM area [0x80] W is data
during gameplay if it's manually hampered hmm ... [0x81] W --11 xxxx address
[0x80] R result
The protection is used for a code snippet at 0xf9c0, that of course is the
sprite handling. The code snippet is sum8 with 0x27 at 0x9d74 so no, the
later dangar US version snippet doesn't work ...
***************************************************************************/ ***************************************************************************/