diff options
| author | uvok | 2026-01-11 10:14:34 +0100 |
|---|---|---|
| committer | uvok | 2026-01-11 10:14:34 +0100 |
| commit | 0f86e4c661fa3164447a77d84610146426008364 (patch) | |
| tree | 42cc3deb698fd4f77abcddb4aff6d99cb69859e6 /nandgame/Vcomputer__main.cpp | |
| parent | 34ac7a712f62d67372c2d293c3dfc27c476f90a4 (diff) | |
Reorganize cpp files
Diffstat (limited to 'nandgame/Vcomputer__main.cpp')
| -rw-r--r-- | nandgame/Vcomputer__main.cpp | 177 |
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; -} |
