Display Analog Clock of System Time in Assembly Language Sir Asim Munir

Please find source code on below url:
Download the source:  asm-clock-source-code.asm

Simplest and Easiest Inheritance in C++: Easy Implementation of Inheritance in C++ Student/Teacher Program in C++

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#include<iostream.h> #include<conio.h> #define size 20 class person { protected: char name[size]; int id; public: person():id(0) {name[size]=' ';} virtual void getd(); virtual void putd(); virtual int isoutstanding()=0; }; class student : public person { protected: float gpa; public: student():person(){gpa=0;} void getd(); void putd(); int isoutstanding(); }; class teacher : public person { protected: int publish; public: teacher():person(){publish=0;} void getd(); void putd(); int isoutstanding(); }; //defineing functions for student class void student::getd() { cout<<"Enter the name of student\n"; cin.get(name,size); cout<<"Enter ID or REG\n"; cin>>id; cout<<"Enter gpa\n"; cin>>gpa; } void student::putd() { int i=0; cout<<"Name of student is\n"; while(name[i]!='\0') { cout<<name[i]; i++; } cout<<"Reg or ID is\n"; cout<<id; cout<<"gpa is\n"; cout<<gpa; } int student::isoutstanding() { if(gpa>=3.5) return 1; else return 0; } //defineing methods of teacher void teacher::getd() { cout<<"Enter the name of teacher\n"; cin.get(name,size); cout<<"Enter ID or REG\n"; cin>>id; cout<<"Enter number of publishes\n"; cin>>publish; }void teacher::putd() { int i=0; cout<<"Name of teacher is\n"; while(name[i]!='\0') { cout<<name[i]; i++; } cout<<"Reg or ID is\n"; cout<<id; cout<<"Number of publish is\n"; cout<<publish; } int teacher::isoutstanding() { if(publish>=5) return 1; else return 0; } int main() { person *pptr[20]; int n=0; char choice,reply; do { cout<<"Enter your choice"; cin>>choice; if(choice=='s') { pptr[n] = new student; } else { pptr[n] = new teacher; } pptr[n]->getd(); n++; cout<<"Do you want to run it again\n"; cin>>reply; } while(reply=='y'); getche(); return 0; }

.asm, ASM, MASM, NASM, Assembly Language, To Display Floppy,MAth,Game-IO,DMA information when caps lock is on ; Else : Display Video Mode and No.of Drives installed.

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;Programmed by Saqib khan ;Purpose: To Display Floppy,MAth,Game-IO,DMA information when caps lock is on ; Else : Display Video Mode and No.of Drives installed. ;Dated: 22nd/May/2012 .model small .stack 100h .data str_floppy_n db 10,"Floppy disk drive not installed.$" str_floppy_y db 10,"Floppy disk drive installed. $" str_math_n db 10,"Math coprocessor not installed. $" str_math_y db 10,"Math coprocessor installed.$" str_game_y db 10,"Game IO is installed:$" str_game_n db 10,"Game IO is not installed:$" str_vid0 db 10,"Video Mode None $" str_vid1 db 10,"Video Mode:40*25 color $" str_vid2 db 10,"Video Mode:80*25 color $" str_vid3 db 10,"Video Mode:80*25 Monochrome $" str_dma_ok db 10,"DMA is Present $" str_dma_not db 10,"DMA is not Present $" str_drives db 10,"No.of drives are: $" .code main: mov ax,@data mov ds,ax int 11h ;Interrupt for Equipment installed mov bx,ax ;Store original Copy mov ah,2 ;Interrup for Keyboard Special Keys int 16h ;Call OS to do the job mov cl,2 ;Offset value for shifting shl al,cl ;Shift Left al by the value of cl jc video_mode ;Jump if carry flag is on floppy_y: mov ax,bx and ax, 1 ;Masking value for Floppy disk drive jz floppy_n ;Jump if zero flag lea dx,str_floppy_y ;Load address of string mov ah,9h ;Service # to display string int 21h ;Call OS to do the job jmp math_ok ;jmp next block floppy_n: lea dx,str_floppy_n ;Load address of string mov ah,9h ;Service # to display string int 21h ;Call OS to do the job math_ok: mov ax,bx ;Restore the original value and ax,2 ;Masking value for jz math_no lea dx,str_math_y mov ah,9h int 21h jmp dma_ok math_no: lea dx,str_math_n mov ah,9h int 21h dma_ok: mov ax,bx and ax,256 jz no_dma lea dx,str_dma_ok mov ah,9h int 21h jmp Game_IO no_dma: lea dx,str_dma_not mov ah,9h int 21h Game_IO: mov ax,bx and ax,4096 jz no_game_io lea dx,str_game_y mov ah,9h int 21h no_game_io: lea dx,str_game_n mov ah,9h int 21h jmp end_lbl video_mode: mov ax,bx mov cl,4 and ax,48 shr al,cl add al,30h cmp al,30h je str0_disp cmp al,31h je str1_disp cmp al,32h je str2_disp lea dx,str_vid3 mov ah,9h int 21h jmp chk_drives str0_disp: lea dx,str_vid0 mov ah,9h int 21h jmp chk_drives str1_disp: lea dx,str_vid1 mov ah,9h int 21h jmp chk_drives str2_disp: lea dx,str_vid2 mov ah,9h int 21h chk_drives: lea dx,str_drives mov ah,9h int 21h mov cl,6 mov ax,bx and ax,192 shr al,cl inc al mov dl,al add dl,30h mov ah,2h int 21h end_lbl: mov ah,4ch int 21h end main

Switch Case Implementation, Easiest Implementation, Choice Assembly Language, ASM, MASM, NASM Switch CASE

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;Programmed by SAQIB KHAN ;Purpose: Obtain Choice from user/Implement case ;Dated: 15th-MAY-2012 .model small .stack 100h .data num1 db 97 num2 db 2 msg_add db 10, "Press 0 for Addition $" msg_sub db 10, "Press 1 for Subtraction $" msg_adc db 10, "Press 2 to add with carry $" message db 10, "Enter your choice: $" msg_wrong db 10, "Please enter correct choice $" msg_verify db 10, "First operand sholud be greater than 2nd,Please change input values $" .code main: mov ax,@data mov ds,ax lea dx,msg_add ;Display add message mov ah,9h int 21h lea dx,msg_sub ;Display subtract message mov ah,9h int 21h lea dx,msg_adc ;Display add message mov ah,9h int 21h lea dx,message ;Display choice message mov ah,9h int 21h ;;;;;;;;;;;;;;;;;;;; mov ah,1 ;read key from user int 21h mov ah,0 ;empty the ah ,upper part of ax sub al,30h ; subtract 30h to get exact value from ascii shl al,1 ; multiply number by 2 to get to the case cmp al,4 ;compare for validity jg check ;jump if al,greater than 4 mov bx,ax ;mov value of ax to bx for offset jmp cs:jmptble [bx] ;jumptable jmptble dw case0,case1,case2 ;cases check: lea dx,msg_wrong ;Display wrong choice mov ah,9h int 21h mov dl,10 ;Move to new line mov ah,2h int 21h jmp main ;Loop again to get correct choice case0: ;Case0- Addition mov dl,10 ;move to new line mov ah,2h int 21h mov al,num1 ;copy num1 to al xor ah,ah ;empty ah to zero add al,num2 ; add num2 to al call display jmp endlabel ;jum to endlabel case1: ;Case1 for subtraction mov dl,10 ;;Move to new line mov ah,2h int 21h mov cl,num1 ;Copy number1 to cl cmp cl,num2 ;check if first numbr is smaller than second jl verify ;jump if num1 is less than num2 mov al,num1 ;copy num1 to al xor ah,ah ;empty the uper portion of ax sub al,num2 ;subtract two nmbers call display jmp endlabel case2: mov dl,10 mov ah,2h int 21h mov al,num1 xor ah,ah adc al,num2 ;adc add 1 value to the sum (if carry flag is 1) call display jmp endlabel verify: lea dx,msg_verify mov ah,9 int 21h display: mov dl,10 ;mov dl,10 to divide result in ax div dl ;Dvide ax by 10 mov dl,al ;copy quotient to dl mov bl,ah ;copy remainder to bl add dl,30h ;add 30h to get actual number mov ah,2h ;Service # to display character int 21h ;Call OS to do the job add bl,30h ;add 30h to remainder mov dl,bl ;move to dl to display mov ah,2h ;Service # to display character int 21h ;Call OS to do the job ret endlabel: mov ah,4ch int 21h end main