Fix possible delay redraw of windows after parameters request window dialog for TTP and GTP programs to launch them
Fix possible memory detection issue whe put screen memory at the end of TTRam (now at first detection memory configuration is saved and not test again, it work but have no explanation the reason of this issue)
Fix TTRam add and videoram in TTRam
Setscreen return WORD under TOS 4
Fix bad insert
Fix screen position on V4, put it at the end of TTRam and not include this ram in memory available for allocation.
Remove unneed vars
Support PIP in Vsetscreen