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Diffstat (limited to 'src/emu/screen.c')
-rw-r--r-- | src/emu/screen.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/emu/screen.c b/src/emu/screen.c index aece8df6d93..05aa8ac141b 100644 --- a/src/emu/screen.c +++ b/src/emu/screen.c @@ -782,6 +782,17 @@ void screen_device::register_screen_bitmap(bitmap_t &bitmap) //------------------------------------------------- +// vblank_port_read - custom port handler to +// return a VBLANK state +//------------------------------------------------- + +int screen_device::vblank_port_read() +{ + return vblank(); +} + + +//------------------------------------------------- // vblank_begin - call any external callbacks to // signal the VBLANK period has begun //------------------------------------------------- |