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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
#include "iccmp.h"
#include "maxint.h"
#include "aoc.h"
#include "util.h"
#include "assert.h"
#include <stdlib.h>
void
consume_output(struct icc *icc)
{
struct maxint mi;
mi_ul imm;
mi.cap = 0;
mi.data = &imm;
mi.size = 1;
mi.sign = MI_POS;
imm = 128;
while (icc->state != ICC_HALT) {
switch (icc->state) {
case ICC_OUTPUT:
if (mi_cmp(&icc->out, &mi) >= 0) {
aoc_debug("LARGE\n");
return;
}
aoc_debug("%c", (char) mi_cast_ul(&icc->out));
break;
case ICC_INPUT:
return;
}
icc_step_inst(icc);
}
}
void
feed_input(struct icc *icc, const char *line)
{
const char *c;
consume_output(icc);
c = line;
while (icc->state != ICC_HALT) {
switch (icc->state) {
case ICC_INPUT:
mi_setv(&icc->in, (mi_ul) *c, MI_POS);
c += 1;
break;
}
icc_step_inst(icc);
if (!*c) return;
}
}
void
part1(void)
{
struct icc icc;
icc_init(&icc);
icc_parse_inst(&icc, aoc.input, aoc.input_size);
feed_input(&icc, "NOT C J\n");
feed_input(&icc, "AND D J\n");
feed_input(&icc, "NOT A T\n");
feed_input(&icc, "OR T J\n");
feed_input(&icc, "WALK\n");
consume_output(&icc);
assert(icc.state == ICC_OUTPUT);
aoc.answer = aprintf("%lu", mi_cast_ul(&icc.out));
aoc.solution = "19358262";
icc_deinit(&icc);
}
void
part2(void)
{
struct icc icc;
icc_init(&icc);
icc_parse_inst(&icc, aoc.input, aoc.input_size);
feed_input(&icc, "NOT C J\n");
feed_input(&icc, "NOT B T\n");
feed_input(&icc, "OR T J\n");
feed_input(&icc, "AND D J\n");
feed_input(&icc, "AND H J\n");
feed_input(&icc, "NOT A T\n");
feed_input(&icc, "OR T J\n");
feed_input(&icc, "RUN\n");
consume_output(&icc);
assert(icc.state == ICC_OUTPUT);
aoc.answer = aprintf("%lu", mi_cast_ul(&icc.out));
aoc.solution = "1142686742";
icc_deinit(&icc);
}
|