Assembly language Project - 6502 simulator

Here is the task: Programming needs to be done only on 6502 simulator with comments. Write a piece of 6502 or 65C02 assembler that : Prompts the user to enter a 3 digit number between 0 and 255 Reads in the number as ASCII characters Converts the ASCII characters into an 8 bit decimal number Writes out the decimal number as a binary number Writes out the decimal number as a hexadecimal number Need the completed work in 12 hours.