Initial commit: created project skeleton

.gitignore

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+*.o
+first

Makefile

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+all:first
+
+first:gui.o main.o simdata.o
+	gcc $^ -fsanitize=address -lncurses -ltinfo -o $@
+
+%.o:%.c
+	gcc -c $< -Wall -Wextra -Werror -fsanitize=address
+
+.PHONY: clean
+clean:
+	rm -f gui.o main.o simdata.o

README.md

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+
+First - A simple computer architecture simulator for COMS30046

gui.c

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+#include <ncurses.h>
+
+int terminal_width;
+int terminal_height;
+
+WINDOW *tabs;
+
+int get_terminal_size(){
+	int new_height,new_width;
+	getmaxyx(stdscr,new_height,new_width);
+	int changed=(new_width!=terminal_width)||(new_height!=terminal_height);
+	terminal_width=new_width;
+	terminal_height=new_height;
+	return changed;
+}
+
+int gui_ncurses_refresh(){
+	if(refresh()==ERR)
+		return 1;
+	if(wrefresh(tabs)==ERR)
+		return 1;
+	return 0;
+}
+
+int start_gui(){
+	if(!initscr())
+		return 1;
+	curs_set(0);
+	get_terminal_size();
+	mvprintw((terminal_height-3)/2+3,terminal_width/2-15,"Initialising the simulator...");
+	tabs = newwin(3,terminal_width,0,0);
+	box(tabs, 0 , 0);
+	mvwprintw(tabs,1,2,"[ 0 Overview ]");
+	mvwprintw(tabs,1,17," 1 Memory  ");
+	if(gui_ncurses_refresh())
+		return 1;
+	return 0;
+}
+
+int gui_continue_request(){
+	if(getch()==ERR)
+		return 1;
+	return 0;
+}
+
+int end_gui(){
+	if(endwin()==ERR)
+		return 1;
+	return 0;
+}

gui.h

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+int start_gui();
+int gui_continue_request();
+int end_gui();

main.c

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+#include <stdio.h>
+#include "gui.h"
+#include "simdata.h"
+
+int main(){
+	struct simdata_t *simdata = init_simdata();
+	if(!simdata){
+		printf("failed to initialise simdata");
+		return 1;
+	}
+	if(start_gui()){
+		printf("Failed on start_gui()\n");
+		free_simdata(simdata);
+		return 1;
+	}
+	if(gui_continue_request()){
+		printf("Failed on gui_continue_request()\n");
+		free_simdata(simdata);
+		return 1;
+	}
+
+	if(end_gui()){
+		printf("Failed on end_gui()\n");
+		free_simdata(simdata);
+		return 1;
+	}
+
+	free_simdata(simdata);
+	return 0;
+}

simdata.c

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+#include <stdlib.h>
+#include "simdata.h"
+
+struct simdata_t *init_simdata(){
+	struct simdata_t * ret=malloc(sizeof(struct simdata_t));
+	if(ret){
+		ret->current_clock=0;
+	}
+	return ret;
+}
+
+void free_simdata(struct simdata_t *p){
+	free(p);
+}

simdata.h

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+struct simdata_t{
+	long unsigned int current_clock;
+};
+struct simdata_t *init_simdata();
+
+void free_simdata(struct simdata_t *);