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Fixed MT #2159 thanks to MASH input (nw)

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This commit is contained in:
angelosa 2017-03-17 18:01:43 +01:00
parent 5923365804
commit c1f721a250
1 changed files with 3 additions and 2 deletions
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5
src/devices/video/stvvdp2.cpp
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@ -6000,13 +6000,14 @@ uint8_t saturn_state::get_vblank( void )
return 0;
}
// TODO: seabass explicitly wants this bit to be 0 when screen is disabled from bios to game transition, assume following disp bit.
uint8_t saturn_state::get_odd_bit( void )
{
if(STV_VDP2_HRES & 4) //exclusive monitor mode makes this bit to be always 1
return 1;
return STV_VDP2_DISP;
if(STV_VDP2_LSMD == 0) // same for non-interlace mode
return 1;
return STV_VDP2_DISP;
return machine().first_screen()->frame_number() & 1;
}