Yes you get 4 bombs if the sample stack size is too small (default: 16384 bytes). I have set it to 32768 bytes in my example.
I have attached an example including the source code.
The combined player has both STFM and STE replay routines and machine detection using the _MCH cookie.
This was originally designed for use in STOS but I have written a simple test function.
There is something strange about the STE routine that if CCONWS (function 9, trap #1) is used to print info before the music starts on STEEM (all versions, TOS 1.62) it crashes on exit. This used to work fine if the routine was called from STOS so I don't know what's causing that. It's OK if cconws isn't used at all.
The raster is set by simply setting the border colour in the interrupt service routine.
The main loop simply waits for the vertical blank and exits if the space bar is pressed.
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Still got, still working: Atari 4Mb STe, 520STFM, 2.5Mb STF.
Hardware: Cumana CSA 354, Ultimate Ripper, Blitz Turbo, Synchro Express II (US and UK Versions).