rem: ClipBlit( (struct RastPort*) src, srcx, srcy, amiga_window->RPort, x, y, cx, cy, opcode << 4 );
add: WorkingClipBlit( (struct RastPort*) src, srcx, srcy, amiga_window->RPort, x, y, cx, cy, opcode << 4 );
context: ui_memblt(uint8 opcode,	  /* dest */ int x, int y, int cx, int cy,	  /* src */ HBITMAP src, int srcx, int srcy){  x += amiga_window->BorderLeft;  y += amiga_window->BorderTop;  ClipBlit( (struct RastPort*) src, srcx, srcy,            amiga_window->RPort, x, y,            cx, cy,            opcode << 4 );//  printf("memblt (opcode=%x) %d,%d (%dx%d)\n", opcode, x, y, cx, cy);}