I was playing GTA SA again, and I got to a last mission with Catalina. I finished it, and wanted to save game, but while it was saving it crashed. I started it again, and on "Load Game" I saw:
Last Mission: F O (the o with two . . on the top of it thingy)
Last Time Saved: 45446 NULL (NULL 0) 46456, or something like that, and when I loaded the game it was from the start.