Introduction to computer systems architecture
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Review how data is represented in storage.
Introduce addressing concepts; absolute and relative.
Examine the use of registers and how they are used in instructions.
Introduce the Program Status Word (PSW).
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Basic Instructions
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LOAD/STORE instructions.
MOVE instructions
Data definitions
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Assembler Language Program Structure
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Introduction to save/restore register conventions.
Overview of general register usage.
Establishing program addressability.
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Conditional Instructions
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COMPARE instructions.
BRANCH instructions
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Basic I/O Operations
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Introduction to macros.
OPEN/CLOSE processing of sequential files
GET/PUT using QSAM.
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Mathematical Operations
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Arithmetic operations using decimal instructions.
Performing binary arithmetic operations.
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