+ PI_BYTE1 = 0x2000, // [RW] // Bytes, words and longwords used as extended arguments.
+ PI_BYTE2 = 0x2001, // [RW] // for PiStorm interaction device commands.
+ PI_BYTE3 = 0x2002, // [RW]
+ PI_BYTE4 = 0x2003, // [RW]
+ PI_BYTE5 = 0x2004, // [RW]
+ PI_BYTE6 = 0x2005, // [RW]
+ PI_BYTE7 = 0x2006, // [RW]
+ PI_BYTE8 = 0x2007, // [RW]
+ PI_WORD1 = 0x2008, // [RW]
+ PI_WORD2 = 0x200A, // [RW]
+ PI_WORD3 = 0x200C, // [RW]
+ PI_WORD4 = 0x200E, // [RW]
+ PI_LONGWORD1 = 0x2010, // [RW]
+ PI_LONGWORD2 = 0x2014, // [RW]
+ PI_LONGWORD3 = 0x2018, // [RW]
+ PI_LONGWORD4 = 0x201C, // [RW]
+ PI_STR1 = 0x2020, // [W] Pointers to strings (typically in "Amiga RAM")
+ PI_STR2 = 0x2024, // [W]
+ PI_STR3 = 0x2028, // [W]
+ PI_STR4 = 0x202C, // [W]
+
+ PI_CMDRESULT = 0x2100, // [R] Check the result of any command that provides a "return value".