nesemu/debugger/debugger.c

//
// Created by william on 1/6/24.
//

#include <curses.h>
#include <panel.h>
#include <stdlib.h>
#include "debugger.h"
#include "memory_view.h"
#include "dialog.h"

#define CTRL_KEY_EXIT 3
#define CTRL_KEY_G 103

MemoryView view;

void create_window() {
    setenv("TERMINFO", "/usr/share/terminfo", 1);
    setenv("TERM", "xterm", 1);

    initscr();
    raw();
    noecho();
    curs_set(0);
    keypad(stdscr, true);
}

void start_debugger(System *system) {
    create_window();

    memory_view_init(&view, system->ram);

    update_panels();
    doupdate();

    int keycode;
    while ((keycode = getch()) != CTRL_KEY_EXIT) {
        if (keycode == KEY_UP) {
            memory_view_move_cursor(&view, 0, MEMORY_VIEW_DIRECTION_DOWN);
        }

        if (keycode == KEY_DOWN) {
            memory_view_move_cursor(&view, 0, MEMORY_VIEW_DIRECTION_UP);
        }

        if (keycode == KEY_LEFT) {
            memory_view_move_cursor(&view, MEMORY_VIEW_DIRECTION_LEFT, 0);
        }

        if (keycode == KEY_RIGHT) {
            memory_view_move_cursor(&view, MEMORY_VIEW_DIRECTION_RIGHT, 0);
        }

        if (keycode == CTRL_KEY_G) {
            Dialog dialog = dialog_create("Goto Address");

            bool cancelled = false;
            address input = dialog_get_address(&dialog, &cancelled);
            dialog_remove(&dialog);

            if (!cancelled) {
                memory_view_goto(&view, input);
                memory_view_set_cursor_addr(&view, input);
            }
        }

        update_panels();
        doupdate();
    }

    endwin();
}