P20 SetSprt8

00023d58: 34020003 ori r2,r0,0x0003
00023d5c: a0820003 sb r2,0x0003(r4)
00023d60: 34020074 ori r2,r0,0x0074
00023d64: 03e00008 jr r31
00023d68: a0820007 sb r2,0x0007(r4)