Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Can an input X1 change while instruction sequence is still being processed?
e.g.
LD X1
AND X2
OUT Y1
LD X1 // Can X1 loaded here differ from the previous one?
AND X3
OUT Y1
Thanks
A common technique is to make a copy of the IO registers to an internal memory address so the programmer can be assured that his IO doesn’t change between instructions. Make the inputs copy at the beginning of the scan and copy to your outputs at the end of the scan.