penny90

this is the output instruction:0 11001100 101110 after extension:0 11111100 111111101110 result:111111011110 result in decimal=-34 opcode is the arithmetic operation:1 for addition and 0 for subtraction.operand 1 and operand 2 is any 12 bits two compliment integer in binary format. 1 bit | 12bits |12 bits opcode| operand1 |operand2 hope …

[CODE]#include<stdio.h> #include<stdlib.h> #include<string.h> int bin2dec1(char *afterx1); int bin2dec2(char *afterx2); void displayBits(unsigned value); /* function main begins program execution */ int main() { int opcode,dec1,dec2; char oprand1[13]="",oprand2[13]=""; char ones[13]="111111111111"; char zeros[13]="000000000000"; char afterx1[13]="",afterx2[13]=""; printf("Instruction : "); scanf("%d%s%s",&opcode,oprand1,oprand2); if((opcode == 1||opcode == 0) && strlen(oprand1)<=12 && strlen(oprand2)<=12) { if(strncmp(oprand1,ones,1)==0) { strncpy(afterx1,ones,12-strlen(oprand1)); } …