Language Hierarchy, Assembler Program Components, Program Components
Machine Concepts – Byte, Nibble, Words, Central Processing Unit (CPU) – PSW, Condition
codes Instruction Address – Registers, Base Registers, Volatile Registers

Addressing, Machine Instruction Formats, Assembler
Language Formats

Assembler Language Syntax, The Assembly Process
Data Representation – Binary, Packed decimal, Instructions ALC Basics – ALC coding rules,
statements, comments, common instructions Assembler Instructions – TITLE, EJECT, SPACE,
COPY, END.

The Define Storage (DS) Instruction, The Define Constant (DC) Instruction,
Literals DS Instruction, Duplication factor, DC instruction Machine Instructions – MVC, CLC, B

Defining Data Sets, Data Transfer
Macros MACRO Instructions – OPEN, GET, PUT, CLOSE, DCB, ALC Program Organization

Load and Store Instructions, Move Instructions

Decision Making in Assembler, Compare Instructions, Branching,
Building Structured Constructs.

Decimal to Binary Conversion, Addition and Subtraction, Multiplication, Division

The Iterative Loop, Address Arithmetic, Processing Arrays

EQU(Equate),MVI(Move Immediate) , CLI(Compare Logical
Immediate),CP(Compare Decimal) ,BC(Branch on condition)

AP Instruction, SP, ZAP(Zero and Add), PACK , UNPK, OI,MP,DP,
SRP
Subprogram Linkage – The calling program , Statics Versus Dynamic Calls, Static Calls,
Dynamic Calls

Pointing to the Parm list, Checking the Return
code LTR instruction(load and Test Register), CH,-Dynamic Calls using LOAD,BALR

Boolean Operations, Shifting Instructions, Testing Bit Values
Subroutines – BAL, ST, L, BR, AP, SP
Linkage, Parameters and Registers, Multiple Base Registers. TR,TRT,BXLE,EX,IC
External Subroutines - Linkage conventions, DSECT - External Versus Internal subroutines,
Directives
Declarative Macro - DCB OPEN,CLOSE,READ,WRITE

- Finding Assembly Errors, Finding Execution Errors VSAM MACROS
- KSDS,ESDS

Integrating with COBOL, CICS, DB2, VSAM
Assembler Debugging and dump reading