ANDI - RISC-V instruction reference

andiBitwise AND immediate 
Sets t1 to the bitwise AND of t2 and a sign-extended 12-bit immediate.
RISC-V manual: andi 
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Forms  andi , ,   
Operands t1 Any integer register, x0 to x31, or its named alias, such as zero, t0 or t6. 
t2 An integer register. It may be the same register as t1. 
imm12 A signed 12-bit immediate, -2048 to 2047. 
 .text
li t0, 13
# t0=13, immediate 5; andi writes 5 to t2.
andi t2, t0, 5