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-rw-r--r--nandgame/cpp/simpc_ui.cpp173
1 files changed, 173 insertions, 0 deletions
diff --git a/nandgame/cpp/simpc_ui.cpp b/nandgame/cpp/simpc_ui.cpp
new file mode 100644
index 0000000..b7971fb
--- /dev/null
+++ b/nandgame/cpp/simpc_ui.cpp
@@ -0,0 +1,173 @@
+#include "simpc_ui.h"
+
+#define NCUR 1
+#include "disas.h"
+
+#define NCUR_X 5
+#define MEMORY_CONTEXT 3
+
+#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_comb_mem.h"
+#include "Vcomputer_computer.h"
+#include "Vcomputer_my_mem__D10_DB10000.h"
+#include "verilated.h"
+#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(3, 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(5, NCUR_X, "%-80s", insline.c_str());
+
+ PRINT_ME(7, 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(
+ 8, NCUR_X, "%c%8d\t%c%8d\t%c%8d\t%11d",
+ topp->computer->store_to_A_int ? '*' : ' ', topp->computer->reg_A_int,
+ topp->computer->store_to_D_int ? '*' : ' ', topp->computer->reg_D_int,
+ topp->computer->store_to_pA_int ? '*' : ' ', topp->computer->reg_pA_int,
+ topp->computer->result_int);
+
+ const int ram1_pos_offset = 35 + 1;
+ const int ram2_pos_offset = ram1_pos_offset + 14 + 1;
+ PRINT_ME(10, NCUR_X, "%-35s", "--- ROM ---");
+ PRINT_ME(10, NCUR_X + ram1_pos_offset, "%-35s", "--- RAM1 ---");
+ PRINT_ME(10, NCUR_X + ram2_pos_offset, "%-35s", "-- RAM2 --");
+ for (int i = -MEMORY_CONTEXT; i <= MEMORY_CONTEXT; i++) {
+ const int ypos_base = 10 + 1 + MEMORY_CONTEXT;
+ const char *prefix = i == 0 ? "> " : " ";
+ int32_t current_ROM_address = topp->computer->PC_addr_int + i;
+ int32_t current_RAM_address = topp->computer->reg_A_int + i;
+ if (current_ROM_address < 0) {
+ PRINT_ME(
+ ypos_base + i, NCUR_X, "%.35s",
+ "---------------------------------------------------------------");
+ } else {
+ const uint16_t p = current_ROM_address;
+ const uint16_t program_op_code = topp->computer->ROM->r_datastore[p];
+ auto disas_code = print_decoded(program_op_code, true);
+ PRINT_ME(ypos_base + i, NCUR_X, "%04X %s%04X %-30s",
+ current_ROM_address, prefix, program_op_code,
+ disas_code.c_str());
+ }
+ if (current_RAM_address < 0) {
+ PRINT_ME(
+ ypos_base + i, NCUR_X + ram1_pos_offset, "%.12s",
+ "---------------------------------------------------------------");
+ } else {
+ const uint16_t p = current_RAM_address;
+ const uint16_t mem_content =
+ topp->computer->RAM->nand_memory->r_datastore[p];
+ PRINT_ME(ypos_base + i, NCUR_X + ram1_pos_offset, "%04X %s%04X",
+ current_RAM_address, prefix, mem_content);
+ }
+ {
+ const uint16_t p = MEMORY_CONTEXT + i;
+ const uint16_t mem_content =
+ topp->computer->RAM->nand_memory->r_datastore[p];
+ PRINT_ME(ypos_base + i, NCUR_X + ram2_pos_offset, "%04X %04X%30c", p,
+ mem_content, ' ');
+ }
+ }
+ // 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) {
+ PRINT_ME(1, 30, "Simulation finished.");
+ const char *msg;
+ if (topp->halt) {
+ msg = "Halt encountered.";
+ } else if (!contextp->gotFinish()) {
+ msg = "Step count exceeded.";
+ } else {
+ msg = "Regular finish.";
+ }
+ PRINT_ME(2, 30, "%s", msg);
+#if NCUR
+ refresh();
+#endif
+}
+
+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
+} \ No newline at end of file