1; Check that register names, both upper and lower case work and that 2; the spacing between the operands doesn't matter. 3 4add R0,R1,R2 5add r0,r1,r2 6add R1,R2,r3 7add R1, R3, r3 8add R4,R5,R6 9add R7,R8,R9 10add R10,R11,R12 11add R13,R14,R15 12addui fp,sp,#1 13addui ra,ira,#1 14 15; Check that the range of legal operand values is accepted. 16 17addui R0,R1,#0 18addui R0,R1,#$FFFF 19 20 21 22