PSP Firmware 3.80+ Internet Radio Player Function Documentation v4 No changes in 4.00. Total functions as of 3.93: 56 Total functions as of 3.90: 55 Total functions as of 3.80: 56 Updated 3/18/2008: Checked 3.93. New function added: sysRadioSleep, not yet documented. Updated 2/1/2008: Checked functions against a 3.90 RAM dump. sysRadioSetRetryIntervalTime is gone. Most-recently-discovered fu