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Play with VRAM using String Instructions Objective:- To practice using string assembly language instructions on VRAM. Equipment:- PC Procedure:- Use NOTEPAD text editor to write assembly code using string instructions namely for each of the following: 1. Fill the PC screen with the '#' character using string instructions. 2. Modify the first code to fill the upper half of the screen with 'A' and the lower half with 'B' using different color for each half. 3. Write a new code that finds the first difference between the upper half and the lower half of the PC screen and change its color. 4. Modify the last code to find all the differences between both PC screen halves and change their colors. 5. You can use the program structure as shown below. code segment assume cs:code Start: microprocessor 8086 exit: mov int 21h ax,4c00h ; Examples for memory reservation if needed data db 'a', 'b', 'c', 55, 17h..... X dw 1234h color db 26h block1 db 100 dup(0) block2 db 200 dup(?) code ends end start Test them using Debug, write them on LAB paper with comments and describe the results.

Play with VRAM using String Instructions Objective:- To practice using string assembly language instructions on VRAM. Equipment:- PC Procedure:- Use NOTEPAD text editor to write assembly code using string instructions namely for each of the following: 1. Fill the PC screen with the '#' character using string instructions. 2. Modify the first code to fill the upper half of the screen with 'A' and the lower half with 'B' using different color for each half. 3. Write a new code that finds the first difference between the upper half and the lower half of the PC screen and change its color. 4. Modify the last code to find all the differences between both PC screen halves and change their colors. 5. You can use the program structure as shown below. code segment assume cs:code Start: microprocessor 8086 exit: mov int 21h ax,4c00h ; Examples for memory reservation if needed data db 'a', 'b', 'c', 55, 17h..... X dw 1234h color db 26h block1 db 100 dup(0) block2 db 200 dup(?) code ends end start Test them using Debug, write them on LAB paper with comments and describe the results.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Play with VRAM using String Instructions Objective:- To practice using string assembly language instructions on VRAM. Equipment:- PC Procedure:- Use NOTEPAD text editor to write assembly code using string instructions namely for each of the following: 1. Fill the PC screen with the '#' character using string instructions. 2. Modify the first code to fill the upper half of the screen with 'A' and the lower half with 'B' using different color for each half. 3. Write a new code that finds the first difference between the upper half and the lower half of the PC screen and change its color. 4. Modify the last code to find all the differences between both PC screen halves and change their colors. 5. You can use the program structure as shown below. code segment assume cs:code Start: microprocessor 8086 exit: mov int 21h ax,4c00h ; Examples for memory reservation if needed data db 'a', 'b', 'c', 55, 17h..... X dw 1234h color db 26h block1 db 100 dup(0) block2 db 200 dup(?) code ends end start Test them using Debug, write them on LAB paper with comments and describe the results.
Transcribed Image Text:Play with VRAM using String Instructions Objective:- To practice using string assembly language instructions on VRAM. Equipment:- PC Procedure:- Use NOTEPAD text editor to write assembly code using string instructions namely for each of the following: 1. Fill the PC screen with the '#' character using string instructions. 2. Modify the first code to fill the upper half of the screen with 'A' and the lower half with 'B' using different color for each half. 3. Write a new code that finds the first difference between the upper half and the lower half of the PC screen and change its color. 4. Modify the last code to find all the differences between both PC screen halves and change their colors. 5. You can use the program structure as shown below. code segment assume cs:code Start: microprocessor 8086 exit: mov int 21h ax,4c00h ; Examples for memory reservation if needed data db 'a', 'b', 'c', 55, 17h..... X dw 1234h color db 26h block1 db 100 dup(0) block2 db 200 dup(?) code ends end start Test them using Debug, write them on LAB paper with comments and describe the results.
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