SH-2A Datasheet, PDF (146/501 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 6 Instruction Descriptions
Operation
MOVI20S (long i, long n) /* MOVI20S #imm, Rn */
{
if (i&0x00080000) ==0) R[n]= (0x000FFFFF & (long) i);
else R[n]=(0xFFF00000 | (long) i);
R[n]<<=8;
PC+=4;
}
Examples:
MOVI20S H'7FFFF,R0
; Before execution: R0 = H'00000000
; After execution: R0 = H'07FFFF00
Rev. 3.00 Jul 08, 2005 page 132 of 484
REJ09B0051-0300