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added assert for index out-of-bounds with saturneu -cart test1f (nw)

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Oliver Stöneberg 2014-07-28 07:28:22 +00:00
parent b5a05a2945
commit 96fea7d2fa
1 changed files with 1 additions and 0 deletions
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src/emu/video/stvvdp2.c
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@ -6046,6 +6046,7 @@ int saturn_state::get_vcounter( void )
return (vcount & ~1) | (machine().first_screen()->frame_number() & 1);
/* docs says << 1, but according to HW tests it's a typo. */
assert((vcount & 0x1ff) < ARRAY_LENGTH(true_vcount));
return (true_vcount[vcount & 0x1ff][STV_VDP2_VRES]); // Non-interlace
}