Search string Ry for substring Rz starting at
Rx and load position into Rw. If the substring Rz is not found, Rw will
contain zero. See srchstr.ata for an example on useage.
Parameters:
Rw: A numeric register that contains the
position of substring Rz or 0 (zero) if not found.
Rx | start: A numeric register or
constant.
Sets the start position in Ry to search from.
Ry: A string register containing the
string to search.
Rz | "findstr": A string register or
constant of
the substring to find.