List five BIOS video services (INT 10h) commonly used in text mode along with their service numbers and descriptions.
Ch 12: Terminate and Stay Resident (TSR)
In-depth study of writing Terminate and Stay Resident (TSR) programs in assembly, preserving resident memory blocks, intercepting keyboard scancodes via INT 09h, and unhooking interrupt vectors cleanly.
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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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VESA VBE 2.0 is a video standard established for which mode of graphics displays?
DOS INT 21h Service 01h is used to read a character from standard input with echo. In which register is the ASCII character code returned?
How do you create a new file or truncate an existing file using DOS Interrupt 21h Service 3Ch?
List and describe any five DOS Interrupt 21h (INT 21h) services used for file manipulation, including required input parameters.
In the DOS Device Header structure, which bit of the Device Attribute Word determines whether a driver is a Character Device (1) or a Block Device (0)?
In the DOS Device Header structure, which bit of the Device Attribute Word determines whether the driver is a Character Device (1) or a Block Device (0)?
In 32-bit x86 architecture, the lower 16 bits of the 32-bit `EAX` extended accumulator register are labeled as which register?
In a DOS `.COM` executable file, the command-line parameters string (command tail) starts at offset __________ in the Program Segment Prefix (PSP).
In a DOS `.COM` executable file, what is the maximum length of command-line parameters passed through the Program Segment Prefix (PSP command tail at offset 0x80)?