Write and implement this in LC3 architecture. All Side Effects in registers should be pushed and pulled. Please only answer if you sre sure it will run in LC3 simulator!! And please also explain your code at the end. Thank you!

Exercises 1 Character twister - Program description - Read a character from the keyboard - Subtract x40, so that ' A ' is 1 , ' B ' is 2 , etc. - Multiply by 2 - Subtract 1 - Add x40 back, so that 1 is ' A ', etc - Print the character to the screen - Subroutine breakdown - DoSubtraction: Receive Value01 in R0 and Value02 in R1, return (Value01 - Value02) in GP Register R0. - DoMultiplication: Receive Value 01 in R0 and Value 02 in R1, return (Value01 Value02) in GP Register R0. - DoTwister: Carry out steps in the Program Description, calling TRAP x23 to fetch a character, setting up and making subroutine calls to compute the value to print, calling TRAP 21 to print the character. - Main routine - Initialize Stack Pointer - Call DoTwister - HALT