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Introduction to Machine And Assembly Language

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Introduction to Machine And Assembly Language

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    1. Introduction to Machine And Assembly Language Defining Data Dr. Richard Ford

    2. Okay… We’ve got our first program working (yippee!) We (sort of) understand syntax But how do we define data?

    3. Data in Java Significantly richer group of data types Leverage an abstraction of what’s going on underneath Protection from the common mistakes… It’s very different in Assembly language

    4. Intrinsic Types Basically, the primitive building blocks inside of MASM

    5. How to Define Data Actually, very straightforward… [name] directive initializer [,initializer] … Initializers: Set initial value and is required for data Can be a ? which does not specify a particular value All values are converted to binary

    6. Simple Examples Value1 BYTE ‘A’ Value2 BYTE 0 Value3 SBYTE -127 Value4 BYTE ?

    7. More Interesting Examples…

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