1918c1918
<   if(hscrollbar)
---
>   if(hscrollbar){
1920c1920,1922
<   else {
---
>     if (is_isometric)
>       map_view_y0-=map_view_x0-last_map_view_x0;
>   }else {
1922,1926c1924,1925
<     map_view_y0=(map_view_y0<0) ? 0 : map_view_y0;
<     map_view_y0=
<       (map_view_y0>map.ysize+EXTRA_BOTTOM_ROW-map_canvas_store_theight) ? 
<       map.ysize+EXTRA_BOTTOM_ROW-map_canvas_store_theight :
<       map_view_y0;
---
>     if (is_isometric)
>       map_view_x0+=map_view_y0-last_map_view_y0;
1928c1927,1933
< 
---
>   map_view_y0=(map_view_y0<0) ? 0 : map_view_y0;
>   map_view_y0=
>     (map_view_y0>map.ysize+EXTRA_BOTTOM_ROW-map_canvas_store_theight) ? 
>     map.ysize+EXTRA_BOTTOM_ROW-map_canvas_store_theight :
>     map_view_y0;
>   
>   fprintf(stderr,"map_view_x0=%d map_view_y0=%d last_map_view_x0=%d last_map_view_y0=%d percent=%f\n",map_view_x0,map_view_y0,last_map_view_x0,last_map_view_y0,percent);