Hitachi SH7750 Programming Manual page 403

Write_Byte(GBR+R[0],temp);
PC+=2;
}
Example
XOR R0,R1
XOR #H'F0,R0
XOR.B #H'A5,@(R0,GBR) ;Before execution (R0,GBR) = H'A5
;Before execution R0 = H'AAAAAAAA, R1 = H'55555555
;After execution R1 = H'FFFFFFFF
;Before execution R0 = H'FFFFFFFF
;After execution R0 = H'FFFFFF0F
;After execution (R0,GBR) = H'00
Rev. 2.0, 03/99, page 389 of 396