SH7615 Datasheet, PDF(137/925 Page) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7600 Series

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

SH7615 Datasheet, PDF (137/925 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7600 Series

◁

Table 2.37 MSB Detection Instructions

Instruction

PDMSB Sx,Dz

PDMSB Sy,Dz

DCT PDMSB Sx,Dz

DCT PDMSB Sy,Dz

DCF PDMSB Sx,Dz

DCF PDMSB Sy,Dz

Operation

Code

Sx data MSB position â MSW 111110**********

of Dz, clear LSW of Dz

10011101xx00zzzz

Sy data MSB position â MSW 111110**********

of Dz, clear LSW of Dz

1011110100yyzzzz

If DC=1, Sx data MSB position 111110**********

â MSW of Dz, clear LSW of 10011110xx00zzzz

Dz; if 0, nop

If DC=1, Sy data MSB position 111110**********

â MSW of Dz, clear LSW of 1011111000yyzzzz

Dz; if 0, nop

If DC=0, Sx data MSB position 111110**********

â MSW of Dz, clear LSW of 10011111xx00zzzz

Dz; if 1, nop

If DC=0, Sy data MSB position 111110**********

â MSW of Dz, clear LSW of 1011111100yyzzzz

Dz; if 1, nop

Cycles DC Bit

1

Update

1

Update

1

â

1

â

1

â

1

â

Table 2.38 Rounding Operation Instructions

Instruction

PRND Sx,Dz

PRND Sy,Dz

Operation

Sx+H'00008000âDz

clear LSW of Dz

Sy+H'00008000âDz

clear LSW of Dz

Code

111110**********

10011000xx00zzzz

111110**********

1011100000yyzzzz

Cycles DC Bit

1

Update

1

Update

Rev. 2.00, 03/05, page 99 of 884

▷