ref: a1473ecf9fe13bbf8f9b5cb4f5fac9fc9f488bc4
dir: /sys/src/cmd/5a/l.s/
TEXT main(SB), $0 ADD R1,R4 ADD R1,R3,R4 ADD R1<<1,R3,R4 /* logical left */ ADD R1>>1,R3,R4 /* logical right */ ADD R1->1,R3,R4 /* arithmetic right */ ADD R1@>1,R3,R4 /* rotate right */ ADD R1<<R2,R3,R4 ADD $10,R1,R4 loop: ADD.S.NE R1,R4 BNE loop MOVW R3, CPSR MOVW R3, SPSR MOVW R3, F10 MOVW R3, (R2) MOVW R3, 10(R2) MOVW R3, name(SB) MOVW R3, name(SB)(R2) MOVW R3, name(SB)(R2) MOVW R3, (R2) MOVW R3, R1<<2(R2) MRC.EQ 3,9,R3,C5,C6,2 MRC 3,9,R3,C5,C6,2 MOVM.IA [R0,SP,R4], (R2) MOVM.DB.W (R0), [R6-R11] MOVM.DB.W (R0), [R0-R11] MOVM.S (R0), [R0-R11] // .S is supervisor space CMN $4096,R0, RET