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Diffstat (limited to 'src/mame/drivers/alg.c')
-rw-r--r--src/mame/drivers/alg.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/alg.c b/src/mame/drivers/alg.c
index caabd183ad5..d54133bf06a 100644
--- a/src/mame/drivers/alg.c
+++ b/src/mame/drivers/alg.c
@@ -64,8 +64,8 @@ static int get_lightgun_pos(screen_device &screen, int player, int *x, int *y)
if (xpos == -1 || ypos == -1)
return FALSE;
- *x = visarea.min_x + xpos * (visarea.max_x - visarea.min_x + 1) / 255;
- *y = visarea.min_y + ypos * (visarea.max_y - visarea.min_y + 1) / 255;
+ *x = visarea.min_x + xpos * visarea.width() / 255;
+ *y = visarea.min_y + ypos * visarea.height() / 255;
return TRUE;
}