SH7712 Datasheet, PDF (192/978 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 3 DSP Operating Unit
Instruction
Instruction Code Operation
Execution
States DC
PSUBC Sx,Sy, Dz 111110********** Sx-Sy-DC ->Dz Borrow ->DC
1
Borrow
10100000xxyyzzzz
PCMP Sx,Sy
111110********** Sx-Sy ->DC update
1
*
10000100xxyy0000
PABS Sx,Dz
111110********** If Sx<0, 0-Sx ->Dz If Sx>=0, Sx->Dz
1
*
10001000xx00zzzz
PABS Sy,Dz
111110********** If Sy<0, 0-Sy ->Dz If Sy>=0, Sy ->Dz
1
*
1010100000yyzzzz
PRND Sx,Dz
111110********** Sx + h'00008000 ->Dz h'0000 ->LSW of Dz 1
*
10011000xx00zzzz
PRND Sy,Dz
111110********** Sy + h'00008000 ->Dz h'0000 ->LSW of Dz 1
*
1011100000yyzzzz
Note: * See table 3.19.
Rev. 1.00 Dec. 27, 2005 Page 150 of 1044
REJ09B0269-0100