In a DOS.COM executable, at what offset within the Program Segment Prefix (PSP) do the actual command-line parameter characters begin?
Ch 09: Software Interrupts and DOS/BIOS Services
Covers IVT structure (256 vectors x 4 bytes each = 1KB), pushing flags and CS:IP during interrupt invocation, hooking existing software interrupts, and invoking DOS function calls for disk and character I/O.
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CS401 - Computer Architecture and Assembly Language Programming Examination Practice
Timed practice exam simulation for CS401 - Computer Architecture and Assembly Language Programming.
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In a DOS.COM executable, at what offset within the Program Segment Prefix (PSP) do the actual user command-line parameters start?
In a DOS.COM executable, at what offset within the Program Segment Prefix (PSP) do the actual user command-line parameter characters begin?
In a DOS.COM executable program, what is the maximum length of command-line parameter bytes stored within the Program Segment Prefix (PSP) offset 0x80?
In a DOS executable program, at what memory offset within the code segment must the first executable instruction of a '.COM' file be placed?
In a DOS.COM file, at what byte offset in the Program Segment Prefix (PSP) do the actual command-line parameter characters begin?
In a DOS.COM program, at what byte offset within the Program Segment Prefix (PSP) does the first character of command line arguments begin?
Write assembly language instructions to configure the Programmable Interval Timer (PIT Channel 0) to generate timer interrupts at a frequency of 1 ms (1000 Hz / 1 kHz).
The XOR bitwise instruction can be used as a mask to perform which operation on selective bits of an operand?
In 8088 assembly language, the relative displacement offset for a Near Jump instruction is stored in how many bits?