SH-2A Datasheet, PDF (286/501 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 6 Instruction Descriptions
{
long temp;
temp=(long)Read_Byte(GBR+R[0]);
temp&=(0x000000FF & (long)i);
if (temp==0) T=1;
else T=0;
PC+=2;
}
Examples:
TST R0,R0
; Before execution:
; After execution:
TST #H'80,R0
; Before execution:
; After execution:
TST.B #H'A5,@(R0,GBR) ; Before execution:
; After execution:
R0 = H'00000000
T=1
R0 = H'FFFFFF7F
T=1
@(R0,GBR) = H'A5
T=0
Rev. 3.00 Jul 08, 2005 page 272 of 484
REJ09B0051-0300