CPSC 3121/3122 Resources
Assembler Concepts Powerpoint Lectures
General Articles on Programming in Assembler
The following is a list of links to articles covering a variety of topics in IBM System/390 Assembly language.
- Conversion of Binary, Decimal, and Hexadecimal Data
- System 390 Architecture
- Character Data
- Packed Decimal Data
- Binary Data
- The Define Constant Directive
- Data Conversions
- Organizing a Simple Assembler Program
- Sequential File Processing (QSAM Files)
- Loops
- Packed Decimal Arithmetic
- Base Displacement Addressing
- Dsects
- Explicit Addressing
- Instruction Formats
- Program Linkage
- Address Constants
- Assembler Course PowerPoints
Notes On Individual IBM 390 Instructions
The following table is a collection of links to individual articles covering all the major instructions (used by application programmers) in the IBM System 390 architecture. Each article contains a description of the instruction, example uses of the instruction, and "tips" on technique.