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MESS bug #1859 fix (nw)

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This commit is contained in:
Mathis Rosenhauer 2011-09-22 11:14:43 +00:00
parent 3c9cfd9970
commit d87c232b65
1 changed files with 6 additions and 4 deletions
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10
src/mame/machine/vectrex.c
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@ -360,9 +360,11 @@ DRIVER_INIT(vectrex)
state->m_imager_colors[i] = RGB_WHITE; state->m_imager_colors[i] = RGB_WHITE;
/* /*
* Uninitialized RAM needs to return 0xff. Otherwise the mines in * Minestorm's PRNG doesn't work with a 0 seed (mines in the first
* the first level of Minestorm are not evenly distributed. * level are not randomly distributed then). Only patch the seed's
* location since initializing all RAM randomly causes problems
* with Berzerk.
*/ */
state->m_gce_vectorram[0x7e] = machine.rand() | 1;
memset(state->m_gce_vectorram, 0xff, state->m_gce_vectorram_size); state->m_gce_vectorram[0x7f] = machine.rand() | 1;
} }