-// for Pico\r
-int PsndRate=0;\r
-int PsndLen=0; // number of mono samples, multiply by 2 for stereo\r
-int PsndLen_exc_add=0; // this is for non-integer sample counts per line, eg. 22050/60\r
-int PsndLen_exc_cnt=0;\r
-int PsndDacLine, PsndPsgLine;\r
-short *PsndOut=NULL; // PCM data buffer\r
-static int PsndLen_use;\r
-\r
-// timers\r
-int timer_a_next_oflow, timer_a_step; // in z80 cycles\r
-int timer_b_next_oflow, timer_b_step;\r
-\r