MFPRG07

DATES:

1. Assembler Language: Introduction
   • Understand the purpose and techniques for working with hexadecimal data and machine instructions.
   • Learn how to convert decimal, hexadecimal, and binary data.
2. Defining Data Constants and Symbols
   • Understand the data structure of an Assembler Language program.
   • Create storage fields, constants, and symbols.
   • As items are allocated, recognize the location and size of each defined.
3. Assembler Listings
   • Understand addressing schemes in the z/OS environment.
   • Code a program to illustrate addressing schemes and review the hexadecimal code to illustrate the different instruction formats.
   • Use an Assembler listing for debugging and testing programs.
   • Given an Assembler program, review the listing for the External Symbol Dictionary, Relocation Dictionary and XREF information.
4. Fixed-point Instructions
   • Define data and review the position and content of each field.
   • Code a series of DS and DC commands for creating fields and sub fields.
   • Examine the alignment and perform half and full word alignment.
   • Perform arithmetic with the RR and RX instructions.
   • Code a simple payroll system which performs calculations on a number of data items.
5. Logical Instructions
   • Use the Edit/Mask and translate commands.
   • Convert a field containing invalid characters into a field with all valid characters.
6. File Handling
   • Code the simple DCB, OPEN, and PUT macros for creating a dataset.
   • Recognize the relationship between the application program and JCL - DD card.
   • Create a new QSAM dataset and write data to the dataset.
7. Packed Arithmetic
   • Calculate an expression using packed numeric values.
   • Compare the results and conditionally execute logic.
8. Calls and Linkage
   • Implement branching, utilizing masks, condition codes, and branch instructions.
   • Use masks and condition codes for performing several different types of branches.
   • Code a basic call to a routine and return back using BAL and BALR.
9. Table Handling
   • Acquire proficiency with addresses through the use of address addition and subtraction.
   • Create a simple array.
   • Use address manipulation for inserting values and traversing the array.
10. VSAM Macros
    • Open a VSAM KSDS and read a single record with a key.
11. Assembler Dumps
    • Recognize the relationship between the application program and JCL - DD card.
    • Given a simple OC7 dump, locate the PSW, COBOL statement that resulted in the Abend.
    • Given a simple OC7 dump, locate the content of all the fields in the statement.
12. More Logical Instructions
    • Use the TM instruction to compare a value and branch on a condition.
13. 31-bit Addressing
    • Demonstrate setting the addressing mode.