rem: ClipBlit( amiga_window->RPort, srcx, srcy, amiga_window->RPort, x, y, cx, cy, opcode << 4 );
add: WorkingClipBlit( amiga_window->RPort, srcx, srcy, amiga_window->RPort, x, y, cx, cy, opcode << 4 );
context: ui_screenblt(uint8 opcode,	     /* dest */ int x, int y, int cx, int cy,	     /* src */ int srcx, int srcy){  srcx += amiga_window->BorderLeft;  srcy += amiga_window->BorderTop;  x += amiga_window->BorderLeft;  y += amiga_window->BorderTop;  ClipBlit( amiga_window->RPort, srcx, srcy,            amiga_window->RPort, x, y,            cx, cy,            opcode << 4 );//  printf("screenblt\n");}