; Check that register names, both upper and lower case work and that ; the spacing between the operands doesn't matter. add R0,R1,R2 add r0,r1,r2 add R1,R2,r3 add R1, R3, r3 add R4,R5,R6 add R7,R8,R9 add R10,R11,R12 add R13,R14,R15 addui fp,sp,#1 addui ra,ira,#1 ; Check that the range of legal operand values is accepted. addui R0,R1,#0 addui R0,R1,#$FFFF