Kernel - Fixed screen not updating in VT framebuffer mode

diff --git a/KernelLand/Kernel/drvutil_video.c b/KernelLand/Kernel/drvutil_video.c
index 05fa102..2bee791 100644 (file)
--- a/KernelLand/Kernel/drvutil_video.c
+++ b/KernelLand/Kernel/drvutil_video.c
@@ -265,12 +265,16 @@ int DrvUtil_Video_WriteLFB(tDrvUtil_Video_BufInfo *FBInfo, size_t Offset, size_t
                                                px = (void*)dest;
                                        }
                                }
+                               if( x > 0 ) {
+                                       dest += FBInfo->Pitch;
+                               }
                        }
                        else
                        {
                                ofs = Offset;
                                dest += ofs;
                                memcpy(dest, Buffer, Length);
+                               dest += Length;
                        }
                        break;
                default:
@@ -293,9 +297,11 @@ int DrvUtil_Video_WriteLFB(tDrvUtil_Video_BufInfo *FBInfo, size_t Offset, size_t
                return -1;
        }
        if( FBInfo->BackBuffer && dest ) {
-               memcpy((char*)FBInfo->Framebuffer + ofs, (char*)FBInfo->BackBuffer + ofs,
-                       ((tVAddr)dest - (tVAddr)FBInfo->BackBuffer) - ofs
-                       );
+               void    *_dst = (char*)FBInfo->Framebuffer + ofs;
+               void    *_src = (char*)FBInfo->BackBuffer + ofs;
+               size_t  len = ((tVAddr)dest - (tVAddr)FBInfo->BackBuffer) - ofs;
+       //      Log_Debug("DrvUtil", "Copy from BB %p to FB %p 0x%x bytes", _src, _dst, len);
+               memcpy(_dst, _src, len);
        }
 
        DrvUtil_Video_DrawCursor(FBInfo, csr_x, csr_y);