Question: 1. Open a DOS window and enter this command to start DEBUG and echo all its output to the file INTS.TXT: DEBUG > INTS.TXT 2.
1. Open a DOS window and enter this command to start DEBUG and echo all its output to the file INTS.TXT: DEBUG > INTS.TXT 2. You will not be able to see what you are typing, but enter this command next: d 0:0 3ff DEBUG will write a copy of the interrupt vector table to the INTS.TXT file. 3. Again, typing blind, enter a q to quit DEBUG. 4. Examine the INTS.TXT file and comment on anything interesting you discover. As an example, here is the INTS.TXT file. 5. Based on your INTS.TXT file, list down the CS:IP addresses for the following interrupts: a) INT 10H (Video BIOS) b) INT 13H (Disk Services) c) INT 21H (DOS Functions) 6. Examine Section 8.5 of your assigned textbook (pp. 298300). Then download VECTORS.ASM. Assemble, link, and run the program. 7. To get a hardcopy of the VECTORS output, enter this DOS command: VECTORS > VECS.TXT You will need to hit 'Enter' four times to get back to the DOS prompt. Here is the sample VECS.TXT file. 8. Compare the INTS.TXT file with the results written to VECS.TXT file. 9. Submit both TXT files with your comments.
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