1. Write a TRAP Routine (READINT) that prompts for an integerinput, reads an integer number from the keyboard, echoes it on themonitor and returns the input number’s decimal value in R0 to themain program. This trap routine will be invoked by the trapinstruction:
TRAP x26
For example, TRAP x26 will display
Enter an integer ->
And when 937 is entered as shown below:
Enter and integer -> 937
will return 937 in R0. Note that an integer is a sequence ofdigits followed by a new line character (ascii 0A)
Trap x26 must display an error message and HALT if the inputcharacter is not a digit.
READINT can use
OR
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