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Diffstat (limited to 'nandgame/Vcomputer__main.cpp')
| -rw-r--r-- | nandgame/Vcomputer__main.cpp | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/nandgame/Vcomputer__main.cpp b/nandgame/Vcomputer__main.cpp deleted file mode 100644 index 1857f1e..0000000 --- a/nandgame/Vcomputer__main.cpp +++ /dev/null @@ -1,226 +0,0 @@ -// Verilated -*- C++ -*- -// DESCRIPTION: Verilator output: main() simulation loop, created with --main - -#include "Vcomputer.h" -#include "Vcomputer___024root.h" -#include "Vcomputer_alu.h" -#include "Vcomputer_comb_mem.h" -#include "Vcomputer_computer.h" -#include "Vcomputer_instruction_decode.h" -#include "Vcomputer_my_mem__D10_DB10000.h" -#include "verilated.h" -#include <cinttypes> -#include <cstdint> -#include <cstdio> -#include <sched.h> - -#define TICKS_PER_INS 2 -#define NCUR 1 -#include "../assembler/disas.h" - -#define NCUR_X 5 - -#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 - -//====================== - -enum class StepPosition_t { BEFORE_EVAL, AFTER_EVAL }; - -void draw_ui(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(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); -#define MEMORY_CONTEXT 3 - - 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_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); - } - 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()) && contextp->time() < 500 && - !topp->halt) { - auto i = contextp->time(); - draw_ui(topp, i, StepPosition_t::BEFORE_EVAL); - - // Evaluate model - if (i != 0 && (i % TICKS_PER_INS) == 0) { - topp->clk_in = !topp->clk_in; - } - topp->eval(); - - draw_ui(topp, i, StepPosition_t::AFTER_EVAL); - - // Advance time - contextp->timeInc(1); - } - -#if NCUR - refresh(); -#endif - - // PRINT_ME(9, 0, "%80c", ' '); - 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); - // PRINT_ME(12, 0, "%80c", ' '); - - 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; -} |
