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Added more sane screen x/y checks

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This commit is contained in:
Angelo Salese 2012-12-05 04:35:15 +00:00
parent ce63981fb5
commit ceec68909c
1 changed files with 4 additions and 5 deletions
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9
src/mess/drivers/pc9801.c
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@ -49,7 +49,6 @@
- Quarth: should do a split screen effect, it doesn't hence there are broken gfxs
- Quarth: uploads a PCG charset
- Uchiyama Aki no Chou Bangai: half size gfxs, can't start (needs mouse)?
- Xenon 2 - Megablast: copyright isn't shown at device select;
========================================================================================
@ -605,9 +604,9 @@ static UPD7220_DISPLAY_PIXELS( hgdc_display_pixels )
if(interlace_on)
{
if(res_y*2+0 < 400)
if(device->machine().primary_screen->visible_area().contains(res_x, res_y*2+0))
bitmap.pix16(res_y*2+0, res_x) = pen + colors16_mode;
if(res_y*2+1 < 400)
if(device->machine().primary_screen->visible_area().contains(res_x, res_y*2+1))
bitmap.pix16(res_y*2+1, res_x) = pen + colors16_mode;
}
else
@ -687,7 +686,7 @@ static UPD7220_DRAW_TEXT_LINE( hgdc_draw_text )
res_x = (x*8+xi) * (state->m_video_ff[WIDTH40_REG]+1);
res_y = y*lr+yi;
if(res_x > 640 || res_y > char_size*25) //TODO
if(!device->machine().primary_screen->visible_area().contains(res_x, res_y))
continue;
tile_data = 0;
@ -726,7 +725,7 @@ static UPD7220_DRAW_TEXT_LINE( hgdc_draw_text )
if(state->m_video_ff[WIDTH40_REG])
{
if(res_x+1 > 640 || res_y > char_size*25) //TODO
if(!device->machine().primary_screen->visible_area().contains(res_x+1, res_y))
continue;
bitmap.pix16(res_y, res_x+1) = pen;