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authoruvok2026-01-11 10:14:34 +0100
committeruvok2026-01-11 10:14:34 +0100
commit0f86e4c661fa3164447a77d84610146426008364 (patch)
tree42cc3deb698fd4f77abcddb4aff6d99cb69859e6 /nandgame/Vcomputer__main.cpp
parent34ac7a712f62d67372c2d293c3dfc27c476f90a4 (diff)
Reorganize cpp files
Diffstat (limited to 'nandgame/Vcomputer__main.cpp')
-rw-r--r--nandgame/Vcomputer__main.cpp177
1 files changed, 0 insertions, 177 deletions
diff --git a/nandgame/Vcomputer__main.cpp b/nandgame/Vcomputer__main.cpp
deleted file mode 100644
index 26d8aa6..0000000
--- a/nandgame/Vcomputer__main.cpp
+++ /dev/null
@@ -1,177 +0,0 @@
-// Verilated -*- C++ -*-
-// DESCRIPTION: Verilator output: main() simulation loop, created with --main
-
-#include "Vcomputer___024root.h"
-#include "Vcomputer_alu.h"
-#include "Vcomputer_computer.h"
-#include "Vcomputer_instruction_decode.h"
-#include "Vcomputer_my_mem__D10_DB10000.h"
-#include "verilated.h"
-#include "Vcomputer.h"
-#include <cinttypes>
-#include <cstdint>
-#include <cstdio>
-#include <sched.h>
-
-#define TICKS_PER_INS 2
-#define NCUR 1
-#include "../assembler/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
-
-//======================
-
-enum class StepPosition_t {
- BEFORE_EVAL,
- AFTER_EVAL
-};
-
-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();
-}
-
-int main(int argc, char **argv, char **) {
-
- // Setup context, defaults, and parse command line
- Verilated::debug(0);
- const std::unique_ptr<VerilatedContext> contextp{new VerilatedContext};
- Verilated::traceEverOn(true);
- contextp->threads(1);
- contextp->commandArgs(argc, argv);
-
- // Construct the Verilated model, from Vtop.h generated from Verilating
- const std::unique_ptr<Vcomputer> topp{new Vcomputer{contextp.get(), ""}};
-
- if (argc != 2) {
- fprintf(stderr, "Usage: %.20s [filename]\n\n", argv[0]);
- exit(-1);
- }
- int i = 0;
- puts("Start simulation.");
- // topp->computer->clk_in = 0;
- topp->clk_in = 0;
- FILE *f = fopen(argv[1], "rb");
- if (!f) {
- fprintf(stderr, "Program file %.20s not found.\n", argv[1]);
- exit(-1);
- }
- fseek(f, 0, SEEK_END);
- long fpos = ftell(f);
- fseek(f, 0, SEEK_SET);
- size_t bytes_read =
- fread(topp->computer->ROM->r_datastore.m_storage, 2, fpos / 2, f);
-
- if (bytes_read * 2 != fpos) {
- fputs("Couldn't read program file completely.", stderr);
- exit(-1);
- }
-
-#if NCUR
- initscr();
- curs_set(0);
-#endif
-
- while (VL_LIKELY(!contextp->gotFinish()) && i < 500) {
- // doesn't work.
- // topp->computer->clk_in = ~topp->computer->clk_in;
-
- if (i != 0 && (i % TICKS_PER_INS) == 0) {
- topp->clk_in = !topp->clk_in;
- }
-
- draw_ui(topp, i, StepPosition_t::BEFORE_EVAL);
-
- // Evaluate model
- topp->eval();
-
- // both bits 14 and 15 need to be set
- if (topp->halt)
- break;
-
- draw_ui(topp, i, StepPosition_t::AFTER_EVAL);
-
- // Advance time
- contextp->timeInc(1);
- i++;
- }
-
-#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.");
- }
-
- if (VL_LIKELY(!contextp->gotFinish())) {
- VL_DEBUG_IF(VL_PRINTF("+ Exiting without $finish; no events left\n"););
- }
-
- // for tracefile to properly show
- for (int i = 0; i < 10; i++) {
- contextp->timeInc(1);
- topp->eval();
- }
- // Execute 'final' processes
- topp->final();
-
- // Print statistical summary report
- //contextp->statsPrintSummary();
-
-#if NCUR
- getch(); endwin();
-#endif
-
- return 0;
-}