Section 7:  Subroutines and Their Calls
                        SILVER 3.6
                        POP, page 7.9

Unit 7.1 -- Subroutine that figures C:=A+B

Unit 7.2 -- Subroutine with Parameters
            SILVER 6.2

Unit 7.3 -- Another Example to Illustrate Parameters

Unit 7.4 -- Array Control Blocks

Unit 7.5 -- Copy A to B with Copy Subroutine

Unit 7.6 -- The IBM Convention
            SILVER 6.1
            SCHAUM Chapter 10

Unit 7.7 -- Demonstrate External Subroutines

Unit 7.8 -- Linking PASCAL and ASSEMBLER