1 files changed, 100 insertions, 0 deletions
diff --git a/nandgame/cpp/simpc_ui.cpp b/nandgame/cpp/simpc_ui.cpp
new file mode 100644
index 0000000..2fce3b8
--- /dev/null
+++ b/nandgame/cpp/simpc_ui.cpp
@@ -0,0 +1,100 @@
+#include "simpc_ui.h"
+
+#define NCUR 1
+#include "disas.h"
+
+#define NCUR_OFFSET 3
+
+#if NCUR
+#include <ncurses.h>
+#define NCUR_DELAY_MS 100
+#define NCUR_X 5
+
+#define PRINT_ME(x, y, ...)                                                    \
+  { mvprintw(x, y, __VA_ARGS__); }
+#define PRINT_NEXT()                                                           \
+  {                                                                            \
+    refresh();                                                                 \
+    napms(NCUR_DELAY_MS);                                                      \
+  }
+
+#else
+
+#define PRINT_ME(x, y, ...)                                                    \
+  {                                                                            \
+    printf("%*s", 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>
+
+void draw_ui(const std::unique_ptr<Vcomputer> &topp, int &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(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());
+
+  // keep old state
+  if (topp->halt)
+    return;
+
+  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,
+           "%9" PRId16 "\t%9" PRId16 "\t%9" PRId16 "\t%11" PRId16,
+           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: %5" PRId16 "\tY: %5" PRId16,
+           topp->computer->CPU->my_alu->int_op_x,
+           topp->computer->CPU->my_alu->int_op_y)
+
+  PRINT_NEXT();
+}
+
+void draw_finish(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 draw_init(void) {
+#if NCUR
+  initscr();
+  curs_set(0);
+#endif
+}