Chapter 10, Problem 10RQ

Program Plan Intro

File Copy (COP) instruction:

• The COP instruction is used to copy a block of data from one location to another for each scan during false-to-true transition.
• It does not contain any status bits.
• As soon as the instruction is executed, all the elements are copied from the source file to the destination file, each time in ascending order.

File-File (FLL) instruction:

• This instruction is used to fill the words of a file using source value.
• It can transfer the entire data file in one scan by selecting the ALL mode of control structure.
• This instruction does not contain any status bits.

File Arithmetic and Logic (FAL) instruction:

• The FAL instruction is used to copy the contents of one file from location to another.
• It performs file arithmetic and logic operations on the contents of each file.
• There are mainly six parameters and addresses which must be entered into the FAL instruction. They are as follows:
  • Control
  • Length
  • Position
  • Mode
  • Destination
  • Expression