Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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MARIE Code: Using the following MARIE Code attached, create a
Transcribed Image Text:**Assembly Language Code Example: Jump Start**
The following code snippet is an example of a basic assembly language structure, often used in education to demonstrate data storage and manipulation using different numeral systems.
```assembly
Jump Start
ray, DEC 5
DEC 2
DEC 4
DEC 0
DEC 9
DEC 8
DEC 4
DEC 2
DEC 3
DEC 5
raylen, DEC 10
rayptr, HEX 001
Start,
```
**Explanation:**
1. **Label (`Jump Start`)**: This line likely serves as the entry point or label for the program segment.
2. **Array Definition (`ray`)**:
- The word `ray` signifies the start of an array or list of decimal numbers.
- The figures following `DEC` are the decimal values of the elements in the array:
- Elements: 5, 2, 4, 0, 9, 8, 4, 2, 3, 5
3. **Length Definition (`raylen, DEC 10`)**:
- `raylen` represents the length of the array `ray`.
- Set to `10`, indicating the total number of entries in the array.
4. **Pointer (`rayptr, HEX 001`)**:
- `rayptr` might serve as a pointer or reference within the program.
- Assigned a hexadecimal value `001`, potentially pointing to a specific memory address or location.
5. **Start Label (`Start`)**:
- The label `Start` suggests where execution or a particular procedure might begin.
This code demonstrates the use of labels, pointers, and varying numeral systems (decimal and hexadecimal) commonly encountered in low-level programming.
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