Nettet14. aug. 2012 · What is the exact purpose and meaning of this assembly language statement? When I write the code mov al, 02 mov dl, al mov ah, 02 int 21h it gives … NettetINT 21H – DOS Interrupt : MS-DOS provides a lot of functions for displaying and reading the text on the console. The general syntax for calling the function is. MOV AH ; …
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Nettet31. aug. 2024 · So, I'm just found code from this question. I'm trying to print the current time in hours, but output not expected. This is screenshoot for wroing output. Expected … NettetUntuk menjalankan fungsi Int 21h service 02 harus dipenuhi beberapa syarat: Register AH, harus berisi service number dari Int 21h yang akan dijalankan (02h) Register DL, harus berisi bilangan hexa dari karakter ASCII yang akan dicetak Q (Quit) Bila kita mengetik Q dan menekan Enter, maka akan segera kembali ke DOS Prompt. Contoh: … ruth durand – tin can alley / i\\u0027m wise
DOS FUNCTIONS AND INTERRUPTS (KEYBOARD AND VIDEO …
Nettet22. mar. 2024 · int 21h中的21h,也就是十六进制0x21,也就是十进制的33。 这个21H叫中断类型码,一个中断类型码对应有一个中断服务子程序。 当执行INT 21H时,就执行 … Nettet4. mar. 2024 · 7、DOS系统功能调用方式为:(1)置入口参数;(2)中断程序编号送AH 寄存器后执行INT 21H。 8、通常主程序和子程序间参数传送的方法有三种:寄存器传递 、用存储单元传递、用堆栈传递(顺序可调换)。 9、中断 是CPU暂停当前程序的执行,转而执行处理紧急事务的程序,并在该事务处理完后能自动恢复执行原先程序的过程。 在此,称引 … Nettet18. mai 2024 · INT 21H means invoke the interrupt identified by the hexadecimal number 21. That was the answer to the question "What does it mean by "MOV AH, 4CH" in … ruth dunning chicago