ScreamingEgle, thx for the advice - tried out all you said but no change...
But noticed some more things:
- seems to be connected with detailed ground textures; stutter only appears near ground
- dissappears when framerate drops below 20 or so
- no stutter in film playback
- moved around IRQ of GFX-card; no change
- FastWrite On causes AH to crash; was off by default
- maybe connected to sounds; cannot investigate further because AH doesn't starts without initialising soundcard and even if you put all sounds volume to zero in setup two gun sounds keep playing
- switching desktop to 1024*768 seems to help; colour depth has no effect
- Anti-Alising has no effect
- stutter does appear even when controlling plane with keyboard and mouse; joystick influence unprobable
my system specs:
Duron700
AsusA7V
128 RAM 133
Elsa Gladiac GeForce2GTS
Soundblaster Live!
Saitek X36 Combo USB
CH Pro Pedals (gameport)
Elsa Microlink ISDN USB
W98
running DX7a and newest drivers for all components