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