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Source Code:
#include <stdio.h>
#include <conio.h>
#include <windows.h>
#define SIZE 32
#define SENTINEL -99999
#define TRUE 1
#define FALSE 0
#define INP 10
#define PNT 11
#define STP 43
#define LDA 20
#define LDB 21
#define ADD 30
#define MUL 31
#define SUB 32
#define DIV 33
#define STR 40
#define MOD 34
#define CMP 35
#define JGT 50
#define JLT 51
#define JEQ 52
#define JMP 53
void load(int *loadram);
void execute(int *instruction,int *ram,int *registera,int *registerb, int *statusregister,int *counter);
void ramdisp(int *ram,int,int,int,int);
int validWord(long int word );
void menu2();
int help();
void menu();
void start();
void loading();
void logo();
void login();
void repeat();
void sample();
void about();
void samplemenu();
void sample1();
void sample2();
void sample3();
void sample4();
void sample5();
int main()
{
int ram[SIZE]={0};
int instruction[SIZE]={0};
int registera=0,registerb=0,statusregister=0,counter=1;
start();
menu2();
load( instruction );
execute(instruction,ram,®istera,®isterb,&statusregister,&counter);
ramdisp(ram,registera,registerb,statusregister,counter);
repeat();
return 0;
}
void load( int *loadram )
{
long int instruction;
int i=0,y;
printf("\n\t\t If you need sample program press 1: ");
scanf("%d",&y);
if(y==1)
{
sample();
}
printf("Address: Contents:\n");
printf( "\n 00 ?\t ");
scanf( "%ld",&instruction );
while ( instruction != SENTINEL )
{
if ( !validWord( instruction ) )
printf( "Number out of range. Please enter again.\n" );
else
loadram[i++] = instruction;
printf( " %02d ?\t ",i);
scanf( "%ld",&instruction );
}
}
void execute( int *instruction,int *ram,int *registera,int *registerb,int *statusregister, int *counter)
{
int irPtr,opcode,oprend,icPtr=0,temp,fatal= FALSE;
printf( "\n****************************** EXECUTION START *******************************\n\n" );
irPtr = instruction[ icPtr ];
opcode = irPtr / 100;
oprend = irPtr % 100;
while (opcode!=STP)
{
switch(opcode)
{
case INP:
printf("Enter integer :");
scanf("%d",&temp);
while(!validWord(temp))
{
printf("\nPlease Enter the value again : ");
scanf("%d",&temp);
}
ram[oprend]=temp;
icPtr=icPtr+1;
break;
case LDA: *registera=ram[oprend];
icPtr=icPtr+1;
break;
case LDB: *registerb=ram[oprend];
icPtr=icPtr+1;
break;
case ADD: *registerb=*registerb+*registera;
icPtr=icPtr+1;
break;
case MUL: *registerb=*registerb*(*registera);
icPtr=icPtr+1;
break;
case DIV: *registerb=*registerb/ *registera;
icPtr=icPtr+1;
break;
case SUB: *registerb=*registerb-*registera;
icPtr=icPtr+1;
break;
case STR: ram[oprend]=*registerb;
icPtr=icPtr+1;
break;
case PNT: printf("\n%d",ram[oprend]);
icPtr=icPtr+1;
break;
case MOD: *registerb=(*registera)%(*registera);
icPtr=icPtr+1;
break;
case CMP: if (*registera > *registerb)
*statusregister=1;
else if(*registera < *registerb)
*statusregister=-1;
else
*statusregister=0;
icPtr=icPtr+1;
break;
case JGT: if (*statusregister==1)
icPtr=oprend;
break;
case JLT: if(*statusregister==-1)
icPtr=oprend;
break;
case JEQ: if(*statusregister==0)
icPtr=oprend;
break;
case JMP: icPtr=oprend;
break;
default: printf("\nYou Have Entered a wrong Task.");
icPtr=icPtr+1;
break;
}
*counter=icPtr+1;
irPtr = instruction[ icPtr ];
opcode = irPtr/ 100;
oprend = irPtr % 100;
}
}
void ramdisp(int *ram,int registera,int registerb,int statusregister, int counter)
{
printf("\nREGISTERS:\n\nRegister A: %d \nRegister B: %d \nStatus Register : %d \nCounter Register : %d", registera,registerb,statusregister,counter);
printf("\n\nRAM:\n\n");
for (int i=0;i<=7;i++)
printf("%5d ",i);
for (int j=0;j<SIZE;j++)
{
if (j%8==0)
printf("\n%2d ",j);
printf("%+05d ",ram[j]);
}
printf( "\n" );
}
int validWord( long int word )
{
return (word >= -9999 && word <= 9999);
}
void menu2()
{
system("COLOR 1F");
int x,choice=0;
x:
system("cls");
printf("\n\n\n\n\n\n\n\n\n\t\t\t");
printf("Press 1 for Program Startup\n\t\t\tPress 2 for Sample Program\n\t\t\tPress 3 for Help\n\t\t\tPress 4 for About\n\n\t\t\tEnter Choice: ");
scanf("%d",&x);
if(x==1)
menu();
else if(x==2)
samplemenu();
else if(x==3)
{
choice=help();
if(choice)
{
menu2();
}
}
else if(x==4)
{
about();
}
else
{
printf("\t\t\tInvalid Selection");
Sleep(1000);
goto x;
}
}
int help()
{
system("COLOR 1F");
char c;
menu();
sample();
printf("\nPress any key to go back to Menu: ");\
c=getch();
c=int(c);
return c;
}
void menu()
{
system("cls");
printf("\n*********************************** MENU ************************************\n");
printf("*\t\t\t\t\t\t\t\t\t *\n");
printf("*\t INP = 10 PNT = 11 STP = 43 LDA = 20\t\t *\n");
printf("*\t\t\t\t\t\t\t\t\t *\n");
printf("*\t LDB = 21 ADD = 30 MOD = 34 CMP = 35\t\t *\n");
printf("*\t\t\t\t\t\t\t\t\t *\n");
printf("*\t MUL = 31 SUB = 32 DIV = 33 STR = 40\t\t *\n");
printf("*\t\t\t\t\t\t\t\t\t *\n");
printf("*\t JGT = 50 JLT = 51 JEQ = 52 JMP = 53\t\t *\n");
printf("*\t\t\t\t\t\t\t\t\t *\n");
printf("*******************************************************************************\n\n");
}
void loading()
{
system("COLOR 70");
char z[32];
system("cls");
printf("\n\n\n\n\n\n\n\n\n\t\t\t Please Wait while Loading");
printf("\n\n\t\t\t");
for(int p=0; p<30; p++)
{
if(p%3==0)
printf("%c",7);
z[p]='.';
printf("%c",z[p]);
Sleep(200);
}
Sleep(500);
}
void logo()
{
system("COLOR 1F");
char y[24]={'B','L','A','C','K','R','I','B','B','O','N','C','O','M','P','U','T','E','R','M','O','D','E','L'};
system("cls");
printf("\n\n\n\n\n\n\n\n\n\n\n\t\t\t");
for(int q=0;q<24;q++)
{
if(q%3==0)
printf("%c",7);
if(q==5 || q==11|| q== 19)
printf(" ");
printf("%c",y[q]);
Sleep(100);
}
}
void login()
{
system("COLOR 70");
char a[6],x[5];
f: e:
system("cls");
printf("\n\n\n\tLOGIN REQUIRED:");
printf("\n\n\n\t\tUsername: haseeb\tPassword: 12345");
printf("\n\n\n\n\t\t\tEnter Username: ");
gets(a);
if(a[0]=='H' || a[0]=='h')
{
if((a[1]=='A' || a[1]=='a') && (a[2]=='S' || a[2]=='s' )&& (a[3]=='E' || a[3]=='e' )&& (a[4]=='E' || a[4]=='e' )&& (a[5]=='B'|| a[5]=='b'))
{
c:
printf("\n\t\t\tEnter Password: ");
for(int j=0; j<5; j++)
{
x[j]=getch();
printf("*");
}
if(x[0]=='1' && x[1]=='2' && x[2]=='3' && x[3]=='4' && x[4]=='5')
printf("\n\n\t\t\t!! Password Matched !!");
else
{
printf("\n\t\t\tInvalid Password enter");
goto c;
}
}
else
{
printf("\n\t\t\tInvalid Username enter");
goto e;
}
}
else
{
if(a[0]=='S' || a[0]=='s' && a[1]=='T' || a[1]== 't' && a[2]=='R' || a[2]=='r' && a[3]=='O' || a[3]=='o' && a[4]=='A' || a[4]=='a' && a[5]=='M' || a[5]=='m')
{
d:
printf("\n\t\t\tEnter Password: ");
for(int j=0; j<5; j++)
{
x[j]=getch();
printf("*");
}
if(x[0]=='7' && x[1]=='2' && x[2]=='6' && x[3]=='7' && x[4]=='2')
printf("\n\n\t\t\t!! Password Matched !!");
else
{
printf("\n\t\t\tInvalid Password enter");
goto d;
}
}
else
{
printf("\n\t\t\tInvalid Username enter");
Sleep(2000);
system("cls");
goto f;
}
}
}
void start()
{
loading();
logo();
Sleep(2000);
login();
Sleep(2000);
system("cls");
}
void repeat()
{
char x;
printf("\n\nDo you want to continue press Y otherwisr N: ");
x=getche();
if(x=='y'||x=='Y')
main();
}
void sample()
{
printf("\n\t\t\t\tSAMPLE PROGRAM");
printf("\n\n*******************************************************************************\n\n");
printf("Address: Contents:\n");
printf(" 00 ? \t 1020\t It will take input at 20 location.\n");
printf(" 01 ? \t 1021\t It will also take input at 21 location.\n");
printf(" 02 ? \t 2020\t It will load 20 location value to Register A\n");
printf(" 03 ? \t 2121\t It will load 21 location value to Register B\n");
printf(" 04 ? \t 3000\t It will add the both values of registers\n");
printf(" 05 ? \t 4023\t It will store the add result to 23 location\n");
printf(" 06 ? \t 4300\t It will stop the execution\n");
printf(" 07 ? \t -99999\t It is the sentinel value\n");
printf("\n\t\t \t\t Example : 1020");
printf("\n\t\t 10 is Instruction and 20 is the Ram Location \t\t\n");
printf("\n*******************************************************************************\n\n");
}
void about()
{
system("COLOR 1F");
system("cls");
printf("\n\tThis program takes assembly language instruction as input and\n");
Sleep(500);
printf("\n\tbreaks it opcode and operand, opcode is the instruction given\n");
Sleep(500);
printf("\n\tby the user to the computer to do some various tasks ,and the\n");
Sleep(500);
printf("\n\toperand are the instruction given to the ram to tell the ram\n");
Sleep(500);
printf("\n\tthat you have to apply this opcode instruction to the data.This\n");
Sleep(500);
printf("\n\tprogram is written to understand the machine language codes and\n");
Sleep(500);
printf("\n\tit make us easy to understand what was the problem for the user\n");
Sleep(500);
printf("\n\tand the programmers. Some years before the problem face by the\n");
Sleep(500);
printf("\n\tprogrammer are the programmer makes codes in the assembly lang.\n");
Sleep(500);
printf("\n\tif one of the instruction gets wrong all of the program gives\n");
Sleep(500);
printf("\n\twrong output and stops its execution and then the programmer have\n");
Sleep(500);
printf("\n\tto recheck all the program for the valid output.\n\n");
Sleep(500);
printf("\n\n\n\tProgram designed and coded by:\n");
Sleep(1000);
printf("\n\t\t\t\tHASEEB MUGHAL & MUHAMMAD ALI AKBAR\n");
Sleep(500);
printf("\n\tIn the supervision of:");
Sleep(1000);
printf("\n\t\t\t\tProf. NABEEL SABIR & Sir. BILAL HASSAN.\n");
Sleep(1000);
printf("\n\n\n\n\t\t\tUNIVERSITY OF CENTRAL PUNJAB (F12)");
printf("\n\n\n\nPress any key to go back to Menu.");
getch();
menu2();
}
void samplemenu()
{
int x=0;
system("cls");
printf("\n\n\n\n\n\n\n\n\n\t\t\tPress 1 for Sample Program 1");
printf("\n\t\t\tPress 2 for Sample Program 2");
printf("\n\t\t\tPress 3 for Sample Program 3");
printf("\n\t\t\tPress 4 for Sample Program 4");
printf("\n\t\t\tPress 5 for Sample Program 5");
printf("\n\n\t\t\tEnter Choice: ");
scanf("%d",&x);
if(x==1)
sample1();
else if(x==2)
sample2();
else if(x==3)
sample3();
else if(x==4)
sample4();
else if(x==5)
sample5();
else
{
printf("\n\t\t\tInvalid Selection");
Sleep(1000);
samplemenu();
}
}
void sample1()
{
system("cls");
printf("\n\n\n\t\t\t\tSAMPLE PROGRAM 1");
printf("\n\n*******************************************************************************\n\n");
printf("Address: Contents:\n\n");
printf(" 00 ? \t 1020\t It will take input at 20 location.\n\n");
printf(" 01 ? \t 1021\t It will also take input at 21 location.\n\n");
printf(" 02 ? \t 2020\t It will load 20 location value to Register A\n\n");
printf(" 03 ? \t 2121\t It will load 21 location value to Register B\n\n");
printf(" 04 ? \t 3000\t It will add the both values of registers\n\n");
printf(" 05 ? \t 4023\t It will store the add result to 23 location\n\n");
printf(" 06 ? \t 4300\t It will stop the execution\n\n");
printf(" 07 ? \t -99999\t It is the sentinel value\n\n");
printf("\n*******************************************************************************\n\n");
printf("\n\n\nEnter any key to go to Menu.");
getch();
menu2();
}
void sample2()
{
system("cls");
printf("\n\n\n\t\t\t\tSAMPLE PROGRAM 2\n");
printf("\n\n*******************************************************************************\n\n");
printf("Address: Contents:\n\n");
printf(" 00 ? \t 1015\t It will take input at 15 location.\n\n");
printf(" 01 ? \t 1016\t It will also take input at 16 location.\n\n");
printf(" 02 ? \t 2015\t It will load 15 location value to Register A\n\n");
printf(" 03 ? \t 2116\t It will load 16 location value to Register B\n\n");
printf(" 04 ? \t 3200\t It will Subtract the both values of registers\n\n");
printf(" 05 ? \t 4017\t It will store the add result to 17 location\n\n");
printf(" 06 ? \t 4300\t It will stop the execution\n\n");
printf(" 07 ? \t -99999\t It is the sentinel value\n\n");
printf("\n*******************************************************************************\n\n");
printf("\n\n\nEnter any key to go to Menu.");
getch();
menu2();
}
void sample3()
{
system("cls");
printf("\n\n\n\t\t\t\tSAMPLE PROGRAM 3");
printf("\n\n*******************************************************************************\n\n");
printf("Address: Contents:\n\n");
printf(" 00 ? \t 1007\t It will take input at 7 location.\n\n");
printf(" 01 ? \t 2007\t It will load 7 location value to Register A.\n\n");
printf(" 02 ? \t 2107\t It will load 7 location value to Register B.\n\n");
printf(" 03 ? \t 3100\t It will Multiply the both values of registers.\n\n");
printf(" 04 ? \t 4008\t It will store the Multiply result to the 8 location.\n\n");
printf(" 05 ? \t 1108\t It will Output the result from the 8 location.\n\n");
printf(" 06 ? \t 4300\t It will stop the execution\n\n");
printf(" 07 ? \t -99999\t It is the sentinel value\n\n");
printf("\n*******************************************************************************\n\n");
printf("\n\n\nEnter any key to go to Menu.");
getch();
menu2();
}
void sample4()
{
system("cls");
printf("\n\n\n\t\t\t\tSAMPLE PROGRAM 4");
printf("\n\n*******************************************************************************\n\n");
printf("Address: Contents:\n\n");
printf(" 00 ? \t 1014\t It will take input at 14 location.\n\n");
printf(" 01 ? \t 2014\t It will load 14 location value to register A.\n\n");
printf(" 02 ? \t 2113\t It will load 13 location value to register B.\n\n");
printf(" 03 ? \t 3400\t It will take Mod of register A with register B.\n\n");
printf(" 04 ? \t 2011\t It will load 11 location value to register A.\n\n");
printf(" 05 ? \t 3500\t It will compare the register A value with register B.\n\n");
printf(" 06 ? \t 5209\t If condition code 0 (values equal), jump to instruction 09.\n\n");
printf(" 07 ? \t 1111\t It will output the value from 11 location.\n\n");
printf(" 08 ? \t 5310\t It will jump to instruction 10.\n\n");
printf(" 09 ? \t 1112\t It will output the value from 12 location.\n\n");
printf(" 10 ? \t 4300\t It will stop the execution.\n\n");
printf(" 11 ? \t -99999\t It is the sentinel value\n\n");
printf("\n*******************************************************************************\n\n");
printf("\n\n\nEnter any key to go to Menu.");
getch();
menu2();
}
void sample5()
{
system("cls");
printf("\n\n\n\t\t\t\tSAMPLE PROGRAM 5");
printf("\n\n*******************************************************************************\n\n");
printf("Address: Contents:\n\n");
printf(" 00 ? \t 2113\t It will load the value from 13 location to register B.\n\n");
printf(" 01 ? \t 4015\t It will store the value of register B to 15 location.\n\n");
printf(" 02 ? \t 1014\t It will take the input at 14 location.\n\n");
printf(" 03 ? \t 2014\t It will load the value from 14 location to the register A.\n\n");
printf(" 04 ? \t 2113\t It will load the value from 13 location to the register B.\n\n");
printf(" 05 ? \t 3500\t It will compare the register A value with register B.\n\n");
printf(" 06 ? \t 5111\t It will jump from loop if the value of register A < register B.\n");
printf(" 07 ? \t 2115\t It will load the value from 15 location to the register B.\n\n");
printf(" 08 ? \t 3000\t It will add the values of both of the registers.\n\n");
printf(" 09 ? \t 4015\t It will store the value to the 15 location.\n\n");
printf(" 10 ? \t 5302\t It will jump back to the loop for the next input.\n\n");
printf(" 11 ? \t 1115\t It will print the value of 15 location.\n\n");
printf(" 12 ? \t 4300\t It will stop the execution.\n\n");
printf(" 13 ? \t -99999\t It is the sentinel value\n\n");
printf("\n*******************************************************************************\n\n");
printf("\n\n\nEnter any key to go to Menu.");
getch();
menu2();
}
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