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How (technically) does the processor execute the int 21h (TASM assembler) command, the interrupt topic

Please tell me how he does it in stages. For example: when executing the PUSH AX command, the SP value is reduced by 2, after ... I tried to find it on the Internet, but I could not enrich my knowledge with such valuable information. Thank you in advance!

BIOS, system interrupts. int 11h, int 12h in C++ / C

The task is to get information about the computer using the system interrupt int 11h, which writes the status (configuration) ... e same on 3 completely different computing devices (tablet, laptop, computer)? I ask for advice on how to solve this problem.

Tips for writing a simple processor emulator

I've already googled speci i4004, I'm sitting here studying it. Tell me how best to do this? I will write a generator that wi ... yet, whether there were interrupts in i4004, but I want to make interrupt support in this emulator. How to make them better?

Search for resident programs in memory

Hello! I need to write a resident program in the Assembler language that would search in memory for other resident programs a ... ssible to scan the chain of MCB records using the 52h function, but I do not understand how to find resident programs there.