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#include "simpc_ui.h"
#include "simpc_config.h"
#define NCUR 1
#include "disas.h"
#define NCUR_X 5
#define MEMORY_CONTEXT 3
#if NCUR
#include <ncurses.h>
#define PRINT_ME(y, x, ...) \
{ mvprintw(y, x, __VA_ARGS__); }
#define PRINT_NEXT() \
{ \
refresh(); \
napms(NCUR_DELAY_MS); \
}
#else
#define attroff(...)
#define attron(...)
#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;
static void handle_key();
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; s - step (while paused)");
PRINT_NEXT();
handle_key();
}
void simpc_ui_finish_message(const std::unique_ptr<VerilatedContext> &contextp,
const std::unique_ptr<Vcomputer> &topp) {
attron(A_BOLD);
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
attroff(A_BOLD);
}
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
}
static void handle_key() {
bool block_here = paused;
do {
int ch = getch();
switch (ch) {
case 'p':
// pass *current* state.
// pass false (currently running) - getch will block (entering step mode).
// pass true (currently paused) - getch will be non-blocking.
nodelay(stdscr, paused);
paused = !paused;
break;
case 'q':
simpc_ui_cleanup();
exit(0);
break;
case 's':
block_here = false;
break;
}
} while (block_here);
}
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