-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathbranching.h
71 lines (69 loc) · 1013 Bytes
/
branching.h
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
65
66
67
68
69
70
71
#ifndef branch
#define branch
#include "setup.h"
void CPU::jmp()
{
uint16_t x=((uint16_t)obj.mem[PC] << 8) | obj.mem[PC+1];
PC=x;
}
void CPU::jz()
{
if(zero)
{
uint16_t x=((uint16_t)obj.mem[PC] << 8) | obj.mem[PC+1];
PC=x;
}
else
PC+=2;
}
void CPU::jnz()
{
if(!zero)
{
uint16_t x=((uint16_t)obj.mem[PC] << 8) | obj.mem[PC+1];
PC=x;
}
else
PC+=2;
}
void CPU::jc()
{
if(carry)
{
uint16_t x=((uint16_t)obj.mem[PC] << 8) | obj.mem[PC+1];
PC=x;
}
else
PC+=2;
}
void CPU::jnc()
{
if(!carry)
{
uint16_t x=((uint16_t)obj.mem[PC] << 8) | obj.mem[PC+1];
PC=x;
}
else
PC+=2;
}
void CPU::jm()
{
if(sign)
{
uint16_t x=((uint16_t)obj.mem[PC] << 8) | obj.mem[PC+1];
PC=x;
}
else
PC+=2;
}
void CPU::jp()
{
if(!sign)
{
uint16_t x=((uint16_t)obj.mem[PC] << 8) | obj.mem[PC+1];
PC=x;
}
else
PC+=2;
}
#endif