NettetThe INT instruction executes a software interrupt. The code that handles the interrupt is called an interrupt handler. Syntax: INT number (number = 0..FFh) The Interrupt … NettetYou are here : assembly → 8086 INT 21H → AH2DH. AH=2DH - 8086 INT 21H. AH = 2Dh - SET SYSTEM TIME. Entry: CH = hour CL = minute DH = second DL = 1/100 …
int 3 软中断指令_西电小西的博客-CSDN博客
Nettetaim: to write an assembly language program to displaycurrent system time.(dos programming) software required: tasm turbo assembler. program:.model small .stack 100h .data prompt db 'current system time is : $' time db '00:00:00$'.code main proc mov ax, @data mov ds, ax lea bx, time call get_time lea dx, prompt mov ah, 09h int 21h lea dx, … Nettetah = 2ch - get system time Return: CH = hour CL = minute DH = second DL = 1/100 seconds Note: on most systems, the resolution of the system clock is about 5/100sec, … content analysis litigation services
Interrupts MS-DOS Function Calls (INT 21h) - Philadelphia University
Nettet9. mar. 2024 · The int 20h is the “exit program” system call. One theory is that it is placed at offset 0000h so that if execution runs off the end of the code segment, the instruction pointer will wrap back around to zero, and then the program will terminate. An interesting theory, but unlikely. The odds of execution running harmlessly off the end of the ... Nettet3. INT 21h Function 2Ch: Get system time Returns hours (0-23) in CH, minutes (0-59) in CL, and seconds (0-59) in DH, and hundredths (0-99) in DL. mov ah,2Ch int 21h mov … Nettet4. okt. 2010 · 8. Interlocked.Exchange is really the only thing you can do: var x = Interlocked.Exchange (a, b); Interlocked.Exchange (b, x); You are correct that this will … effects of the great schism