Added code to parse the command line and read the rom to memory
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parent
e098cacb37
commit
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4
Makefile
4
Makefile
@ -1,10 +1,10 @@
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all:first
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first:gui.o main.o simdata.o
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gcc $^ -fsanitize=address -lncurses -ltinfo -o $@
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gcc -ggdb $^ -fsanitize=address -lncurses -ltinfo -o $@
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%.o:%.c
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gcc -c $< -Wall -Wextra -Werror -fsanitize=address
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gcc -ggdb -c $< -Wall -Wextra -Werror -fsanitize=address
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.PHONY: clean
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clean:
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1
gui.c
1
gui.c
@ -51,6 +51,7 @@ int start_gui(){
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start_color();
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init_pair(1, COLOR_RED, COLOR_BLACK);
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}
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noecho();
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curs_set(0);
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get_terminal_size();
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mvprintw((terminal_height-3)/2+3,terminal_width/2-15,"Initialising the simulator...");
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61
main.c
61
main.c
@ -22,35 +22,88 @@
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#include "gui.h"
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#include "simdata.h"
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#include "stdint.h"
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#include <unistd.h>
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int main(){
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if(start_gui()){
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printf("Failed on start_gui()\n");
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void help(char* progname){
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printf("Usage: %s -i <file> \n", progname);
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}
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int main(int argc, char* argd[] ){
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/// PARSE COMMAND LINE ///
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char *infile = NULL;
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int opt;
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while ((opt = getopt(argc, argd, "hi:")) != -1) {
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switch (opt) {
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case 'h':
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help(argd[0]);
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return 0;
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break;
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case 'i':
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infile=optarg;
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break;
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default:
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help(argd[0]);
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return 1;
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break;
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}
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}
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if (infile==NULL){
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help(argd[0]);
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return 1;
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}
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/// READ ROM FILE ///
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FILE* rom=fopen(infile,"r");
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fseek(rom, 0, SEEK_END);
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if(ftell(rom)!=16777216){
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printf("ERROR: ROM file isn't 16MiB\n");
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return 1;
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}
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fseek(rom, 0, SEEK_SET);
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uint8_t *RAM=malloc(16777216); //Maximum addressable memory
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if(!RAM){
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gui_error("failed to allocate 16MiB of memory for the system ram");
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return 1;
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}
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if(fread(RAM, 16777216, 1, rom)==0){
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printf("ERROR: failed to read input file\n");
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free(RAM);
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return 1;
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}
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fclose(rom);
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/// INITIALISE GUI ///
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if(start_gui()){
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printf("Failed on start_gui()\n");
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free(RAM);
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return 1;
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}
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struct simdata_t *simdata = init_simdata();
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if(!simdata){
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gui_error("failed to initialise simdata");
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free(RAM);
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return 1;
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}
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gui_error("failed to initialise simdata");
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char *temp=malloc(1000);
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sprintf(temp,"Last byte of ram is 0x%02x",RAM[0xFFFFFF]);
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gui_error(temp);
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free(temp);
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if(gui_continue_request()){
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end_gui();
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printf("Failed on gui_continue_request()\n");
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free_simdata(simdata);
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free(RAM);
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return 1;
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}
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if(end_gui()){
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printf("Failed on end_gui()\n");
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free_simdata(simdata);
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free(RAM);
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return 1;
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}
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