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Diffstat (limited to 'src/emu/video/mc6845.h')
-rw-r--r-- | src/emu/video/mc6845.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/emu/video/mc6845.h b/src/emu/video/mc6845.h index b9f765f03bb..0de372e3b3b 100644 --- a/src/emu/video/mc6845.h +++ b/src/emu/video/mc6845.h @@ -73,6 +73,13 @@ typedef void (*mc6845_on_update_addr_changed_func)(mc6845_device *device, int ad struct mc6845_interface { bool m_show_border_area; /* visible screen area (false) active display (true) active display + blanking */ + + /* visible screen area adjustment */ + int m_visarea_adjust_min_x; + int m_visarea_adjust_max_x; + int m_visarea_adjust_min_y; + int m_visarea_adjust_max_y; + int m_hpixels_per_column; /* number of pixels per video memory address */ /* if specified, this gets called before any pixel update, |