7159090 is twice...ntsc clock value, @ 0.279365ms
28,867 samples/second is also the maximum sampling rate for PAL systems.
Thus, for PAL systems, a value of at least 123 ticks/sample must be
written into the period register.
CLOCK VALUES
NTSC PAL UNITS
Clock Constant 3579545 3546895 ticks per second
Clock Interval 0.279365 0.281937 microseconds per interval
see
http://www.amigarealm.com/computing/knowledge/hardref/ch5.htm
page 137
28,867 samples/second is also the maximum sampling rate for PAL systems.
Thus, for PAL systems, a value of at least 123 ticks/sample must be
written into the period register.
CLOCK VALUES
NTSC PAL UNITS
Clock Constant 3579545 3546895 ticks per second
Clock Interval 0.279365 0.281937 microseconds per interval
see
http://www.amigarealm.com/computing/knowledge/hardref/ch5.htm
page 137