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Diffstat (limited to 'src/emu/video/mc6845.h')
-rw-r--r--src/emu/video/mc6845.h7
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,