summaryrefslogtreecommitdiff
path: root/nandgame/cpp/simpc_ui.cpp
blob: e4b3bf843aca95f763d96679c37c52266096b755 (plain)
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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
#include "simpc_ui.h"

#define NCUR 1
#include "disas.h"

#define NCUR_OFFSET 3
#define NCUR_X 5

#if NCUR
#include <ncurses.h>
#define NCUR_DELAY_MS 100

#define PRINT_ME(y, x, ...)                                                    \
  { mvprintw(y, x, __VA_ARGS__); }
#define PRINT_NEXT()                                                           \
  {                                                                            \
    refresh();                                                                 \
    napms(NCUR_DELAY_MS);                                                      \
  }

#else

#define PRINT_ME(y, x, ...)                                                    \
  {                                                                            \
    printf("%*c", x, ' ');                                                      \
    printf(__VA_ARGS__);                                                       \
    printf("\n");                                                              \
  }
#define PRINT_NEXT()                                                           \
  { puts("-----"); }

#endif

#include "Vcomputer.h"
#include "Vcomputer___024root.h"
#include "Vcomputer_alu.h"
#include "Vcomputer_computer.h"
#include "Vcomputer_instruction_decode.h"
#include "verilated.h"
#include <cinttypes>
#include <cstdint>
#include <cstdio>
#include <sched.h>

bool paused = false;

void simpc_ui_write(const std::unique_ptr<Vcomputer> &topp, uint64_t &i,
                    StepPosition_t sp) {
  uint16_t opcode = topp->computer->PC_content_int;

  PRINT_ME(1, 1, "Step: %10d \b%c", i,
           sp == StepPosition_t::BEFORE_EVAL ? 'A' : 'B');
  PRINT_ME(2, 1, "%-20s", paused ? "Paused" : "Running");
  PRINT_ME(1 + NCUR_OFFSET, NCUR_X,
           "CLK1: %4d\tPC: @0x%04X\tINS: 0x%04X\tHLT: %d", topp->clk_in,
           // wrong
           // topp->computer->clk_in,
           topp->computer->PC_addr_int, opcode, topp->halt);

  auto insline = print_decoded(opcode, true);
  PRINT_ME(3 + NCUR_OFFSET, NCUR_X, "%-80s", insline.c_str());

  PRINT_ME(5 + NCUR_OFFSET, NCUR_X,
           "A: 0x%04X\tD: 0x%04X\tM: 0x%04X\tRES: 0x%04X",
           topp->computer->reg_A_int, topp->computer->reg_D_int,
           topp->computer->reg_pA_int, topp->computer->result_int);
  PRINT_ME(6 + NCUR_OFFSET, NCUR_X,
           "%9d\t%9d\t%9d\t%11d",
           topp->computer->reg_A_int, topp->computer->reg_D_int,
           topp->computer->reg_pA_int, topp->computer->result_int);
  PRINT_ME(7 + NCUR_OFFSET, NCUR_X, "ALU");
  PRINT_ME(8 + NCUR_OFFSET, NCUR_X, "X: %5d\tY: %5d",
           topp->computer->CPU->my_alu->int_op_x,
           topp->computer->CPU->my_alu->int_op_y);
  PRINT_ME(getmaxy(stdscr) - 1, 1, "q - Quit; p - (Un)pause; any key in pause - step");
  

  PRINT_NEXT();

  int ch = getch();
  if (ch == 'p') {
    nodelay(stdscr, paused);
    paused = !paused;
  } else if (ch == 'q') {
    simpc_ui_cleanup();
    exit(0);
  }
}

void simpc_ui_finish_message(const std::unique_ptr<VerilatedContext> &contextp,
                             const std::unique_ptr<Vcomputer> &topp) {
#if NCUR
  refresh();
#endif
  PRINT_ME(10 + NCUR_OFFSET, 10, "Simulation finished.");
  if (topp->halt) {
    PRINT_ME(11 + NCUR_OFFSET, 10, "Halt encountered.");
  } else if (!contextp->gotFinish()) {
    PRINT_ME(11 + NCUR_OFFSET, 10, "Step count exceeded.");
  } else {
    PRINT_ME(11 + NCUR_OFFSET, 10, "Regular finish.");
  }
}

void simpc_ui_init(void) {
#if NCUR
  initscr();
  curs_set(0);
  nodelay(stdscr, TRUE);
  noecho();
  cbreak();
#endif
}

void simpc_ui_cleanup(void) {
#if NCUR
  nocbreak();
  echo();
  endwin();
#endif
}

void simpc_ui_confirm_finish(void) {
#if NCUR
  nodelay(stdscr, FALSE);
  getch();
#endif
}