-
Notifications
You must be signed in to change notification settings - Fork 2
/
ADI.cpp
64 lines (56 loc) · 1.83 KB
/
ADI.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
#include "library.h"
#include "tools.h"
extern string reg[7];
extern int flag[5],pc;
void adi(string cmd[], int len)
{
if(len!=2)
cout<<"error : "<<pc<<": invalid no. of args"<<endl;
else
{
if(validData(cmd[1])==0 || cmd[1].size()>2)
cout<<"error : "<<pc<<": invalid data"<<endl;
else
{
int AuxCarry=0;
int num1=hexToDec(reg[0]);
char temp1=reg[0][1];
char temp2=cmd[1][1];
//cout<<num1<<endl;
int num2=hexToDec(cmd[1]);
//cout<<num2<<endl;
num1+=num2;
//cout<<num1<<endl;
if(num1<=255)
{
flag[4]=0; //CARRY OFF
reg[0]=decToHex(num1);
reverse(reg[0].begin(),reg[0].end());
}
else
{
cout<<num1<<endl;
flag[4]=1; //CARRY ON
//reg[0]=decToHex(num1);
string str=decToHex(num1);
str.erase(2);
reverse(str.begin(),str.end());
reg[0]=str;
}
if(num1<16)
reg[0]="0"+reg[0];
//FLAGS
if(temp1>='1' || temp1<='9')
AuxCarry+=(int)temp1-48;
else
AuxCarry+=(int)temp1-55;
if(temp2>='1' || temp2<='9')
AuxCarry+=(int)temp2-48;
else
AuxCarry+=(int)temp2-55;
if(AuxCarry>15)
flag[2]=1; // AC ON
flags();
}
}
}