Add paused state, print help

fix separate "wait for feedback"

1 files changed, 26 insertions, 4 deletions

diff --git a/nandgame/cpp/simpc_ui.cpp b/nandgame/cpp/simpc_ui.cpp
index 44d3424..e3435bc 100644
--- a/nandgame/cpp/simpc_ui.cpp
+++ b/nandgame/cpp/simpc_ui.cpp
@@ -42,12 +42,15 @@
 #include <cstdio>
 #include <sched.h>
 
+bool paused = false;
+
 void simpc_ui_write(const std::unique_ptr<Vcomputer> &topp, int &i,
-             StepPosition_t sp) {
+                    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
@@ -72,13 +75,24 @@ void simpc_ui_write(const std::unique_ptr<Vcomputer> &topp, int &i,
   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)
+           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) {
+                             const std::unique_ptr<Vcomputer> &topp) {
 #if NCUR
   refresh();
 #endif
@@ -96,12 +110,20 @@ void simpc_ui_init(void) {
 #if NCUR
   initscr();
   curs_set(0);
+  nodelay(stdscr, TRUE);
+  noecho();
 #endif
 }
 
 void simpc_ui_cleanup(void) {
 #if NCUR
-  getch();
   endwin();
 #endif
 }
+
+void simpc_ui_confirm_finish(void) {
+#if NCUR
+  nodelay(stdscr, FALSE);
+  getch();
+#endif
+}
\ No newline at end of file