Any Way to Slow FSPE Down!

For the past couple of years I have played FPSE using CDs mostly not bad but a touch slow and mixed sound. Over the last few days I worked out how to play using cue and bin files and man what a difference in speed.

I have been playing Space Invaders via cue and bin and the game runs way way fast on my SAM Flex 800. I popped round a mates place and played the same game on his PS1 and it was at a sane speed.

As much as I would like to embarass him in game play in practicing at a faster speed is the any way I can actually slow FPSE down a touch.

This is really a pleasant change from asking for more speed in emulators.

cheers
ace