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add video enable/disable feature in m90 driver

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This commit is contained in:
Roberto Zandona 2008-05-02 17:16:08 +00:00
parent b7880b33fa
commit 4fda816ee1
1 changed files with 35 additions and 29 deletions
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8
src/mame/video/m90.c
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@ -180,10 +180,12 @@ VIDEO_UPDATE( m90 )
static int last_pf1,last_pf2; static int last_pf1,last_pf2;
int pf1_base = m90_video_control_data[5] & 0x3; int pf1_base = m90_video_control_data[5] & 0x3;
int pf2_base = m90_video_control_data[6] & 0x3; int pf2_base = m90_video_control_data[6] & 0x3;
int i,pf1_enable,pf2_enable; int i,pf1_enable,pf2_enable, video_enable;
if (m90_video_control_data[7]&0x04) video_enable=0; else video_enable=1;
if (m90_video_control_data[5]&0x10) pf1_enable=0; else pf1_enable=1; if (m90_video_control_data[5]&0x10) pf1_enable=0; else pf1_enable=1;
if (m90_video_control_data[6]&0x10) pf2_enable=0; else pf2_enable=1; if (m90_video_control_data[6]&0x10) pf2_enable=0; else pf2_enable=1;
// tilemap_set_enable(pf1_layer,pf1_enable); // tilemap_set_enable(pf1_layer,pf1_enable);
// tilemap_set_enable(pf2_layer,pf2_enable); // tilemap_set_enable(pf2_layer,pf2_enable);
// tilemap_set_enable(pf1_wide_layer,pf1_enable); // tilemap_set_enable(pf1_wide_layer,pf1_enable);
@ -245,6 +247,7 @@ VIDEO_UPDATE( m90 )
fillbitmap(priority_bitmap,0,cliprect); fillbitmap(priority_bitmap,0,cliprect);
if (video_enable) {
if (!pf2_enable) if (!pf2_enable)
fillbitmap(bitmap,0,cliprect); fillbitmap(bitmap,0,cliprect);
@ -275,6 +278,9 @@ VIDEO_UPDATE( m90 )
} }
draw_sprites(screen->machine,bitmap,cliprect); draw_sprites(screen->machine,bitmap,cliprect);
} else {
fillbitmap(bitmap,0,cliprect);
}
return 0; return 0;
} }