At which screen location will the instruction 'MOV WORD [ES:160], 0x1230' display character '0' in standard 80x25 VGA text mode?
Ch 06: Parameter Passing and Stack Frames
Detailed analysis of stack frame construction (push bp; mov bp, sp), accessing parameters via [bp+4], [bp+6], allocating local automatic variables via [bp-2], and stack cleanup conventions (cdecl vs stdcall).
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CS401 - Computer Architecture and Assembly Language Programming Examination Practice
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In a standard VGA text mode attribute byte, which bit index controls the Red component of the background color?
In a standard VGA text mode attribute byte, which bit index controls the Blue component of the foreground color?
What 16-bit word value is written to every video memory cell during a standard clear screen routine in VGA text mode?
In VGA text mode, how many bytes of video/ROM memory are required to store a single 8x16 matrix font character pattern?
In VGA text mode memory layout, within the 16-bit word designated for one screen character location, what is stored at the higher memory address (odd byte offset)?
Which of the following sets of assembly instructions correctly initializes segment register ES to access color VGA text mode video memory?
In VGA text mode video memory, how many bytes of RAM correspond to a single screen character cell location?
Executing the instruction 'MOV WORD [ES:0], 0x0741' prints character 'A' on the screen. What is the resulting background color of the character cell?
How many bytes of memory are required to store a single 8x16 font character matrix bitmap?