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stvvdp2.cpp: fixed regression with Cotton 2 backgrounds in stage 2 onward (enables ROZ mode 3 without neither rotation parameter windows nor actual rotation parameters) [Angelo Salese]

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angelosa 2018-04-10 04:56:04 +02:00
parent 8492b71ac5
commit af9bd80876
1 changed files with 14 additions and 1 deletions
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15
src/devices/video/stvvdp2.cpp
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@ -5476,7 +5476,20 @@ void saturn_state::stv_vdp2_draw_rotation_screen(bitmap_rgb32 &bitmap, const rec
{
stv2_current_tilemap.scrollx = stv_current_rotation_parameter_table.mx >> 16;
stv2_current_tilemap.scrolly = stv_current_rotation_parameter_table.my >> 16;
if(stv2_current_tilemap.roz_mode3 == true)
{
// TODO: Cotton 2 enables mode 3 without an actual RP window enabled
// Technically you could use split screen effect without rotation applied,
// which will be annoying to emulate with this video structure.
// Let's see if anything will do it ...
if(STV_VDP2_RPW0E || STV_VDP2_RPW1E)
popmessage("ROZ Mode 3 enabled without zooming, contact MAMEdev!");
if(iRP == 2)
return;
}
stv_vdp2_check_tilemap(bitmap,cliprect);
}
else