ccfreak2k

/* atm.c *//* uses dirty functions calling functions calling functions because no one taught me how to program properly *//* CPU ports documentation:	Port0:    Card reader, player ID	Port1:    Card reader, card ID	Ports2-4: Number buttons 1-3	Ports5,6: Up/Down arrow keys	Port7:	  Enter/Accept key	Port8:    Cancel/Abort key *//* Screen is 0x0 - 30x18 */#define NO_CMATH /* don't need any math */#define FUNDSINCAMOUNT 5 /* the amount to inc/dec fund selection by - I recommend 5 */#define BACKGROUNDCOLOR 049 /* The background color to use - 049 is a soothing blue */#include clib.c /* for stdc functions */#include lolilib.c /* for LOLIFUNCTIONS */int playerID;int cardID;int currentFunds;main(){	/* The following code before the while loop executes only once. */	int menuChoice;	char cardIDString[7];	char currentCardIDString[24];	extern int playerID;	extern int cardID;	extern int currentFunds;	welcomeMessage();	while (true) {		/* This is the primary wait loop */		/* we're checking to see if the card reader is reporting a non-zero card ID */		if ( inport(1) != 0 ) {			/* a card has appeared (I hope), so open access to the ATM */			playerID = inport(0);			cardID = inport(1);			clrscr();			setbg(BACKGROUNDCOLOR);			loli_print("------------------------------",0,0);			loli_print("WELCOME!",0,1);			loli_print("User ID confirmed - Hello!",2,2);			//"Current card ID: 123456"			itoa(cardID, cardIDString);			strcpy(currentCardIDString, "Current card ID: ");			strcat(currentCardIDString, &cardIDString);			loli_print(&currentCardIDString,3,3)			/* The user is now authenticated. */			/* Get the user's current funds and present the menu. */			currentFunds = getCurrentFunds();			menuChoice = transactionMenu();			/* here's the fork in the road. */			if (menuChoice == 1) {				currentFunds -= withdrawScreen();				endgameScreen();			else if (menuChoice == 2)				currentFunds += depositScreen();				endgameScreen();			else if (menuChoice == 3)				fundsScreen();			}		}	}}welcomeMessage(){	/* welcome the user */	clrscr();	loli_print("K E Y C A R D",8,6);	loli_print("E N A B L E D",8,7);	loli_print("_ _____ __  __",8,8);	loli_print("/_\\_   _|  \\/  |",7,9);	loli_print("/ _ \\| | | |\\/| |",6,10);	loli_print("/_/ \\_\\\\_| |_|  |_|",5,11);		loli_print("Insert keycard now.",5,13);}transactionMenu(){	int menuChoice;	/* present the main transaction menu. */	loli_print("Transaction menu:",0,9);	loli_print("1. Withdraw",0,11);	loli_print("2. Deposit",0,12);	loli_print("3. View Funds",0,13);	loli_print("Use the buttons on the right",0,15);	loli_print("to choose.",0,17);	loli_print("WELCOME!",22,17);	loli_print("------------------------------",0,18);	while (true) {		if (inport(2) != 1) {			return 1;		else if (inport(3) != 1)			return 2;		else if (inport(3) != 1)			return 3;		}	}}withdrawScreen(){	char fundsString[25];	char fundsAmountString[6];	int fundsAmount;	extern int currentFunds;	fundsAmount = 0;	clrscr();	loli_print("------------------------------",0,6);	loli_print("Withdraw Funds",8,7);	loli_print("------------------------------",0,8);	loli_print("Please choose the amount of",0,10);	loli_print("funds to withdraw by using the",0,11);	loli_print("arrow keys on the right, then",0,12);	loli_print("press enter to accept.",0,13);	loli_print ("Funds to withdraw:",0,15);	while (true) {		if (inport(5) != 0) {			if (fundsAmount == 0) {				loli_print("Can't withdraw negative funds!",0,16);			else				fundsAmount += FUNDSINCAMOUNT;				//loli_print(strcat("Funds to withdraw: ", itoa(fundsAmount)));				itoa(fundsAmount, fundsAmountString);				strcpy(fundsString, "Funds to withdraw: ",0,15);				strcat(fundsString, &fundsAmountString);				loli_print(&fundsString);			}		else if (inport(6) != 0)			if (currentFunds - fundsAmount > currentFunds) {				loli_print("Can't withdraw any more funds!",0,16);			else				fundsAmount -= FUNDSINCAMOUNT;				itoa(fundsAmount, fundsAmountString);				strcpy(fundsString, "Funds to withdraw: ",0,15);				strcat(fundsString, &fundsAmountString);				loli_print(&fundsString)			}		else if (inport(7) != 0)			return fundsAmount;		else if (inport(8) != 0)			return 0;		}	}}depositScreen(){	char fundsString[24];	char fundsAmountString[6];	int fundsAmount;	extern int currentFunds;	fundsAmount = 0;	clrscr();	loli_print("------------------------------",0,6);	loli_print("Deposit Funds",8,7);	loli_print("------------------------------",0,8);	loli_print("Please choose the amount of",0,10);	loli_print("funds to deposit by using the",0,11);	loli_print("arrow keys on the right, then",0,12);	loli_print("press Enter to accept.",0,13);	loli_print ("Funds to deposit:",0,15);	while (true) {		if (inport(5) != 0) {			if (fundsAmount == 0) {				loli_print("Can't deposit negative funds!",0,16);			else				fundsAmount += FUNDSINCAMOUNT;				//loli_print(strcat("Funds to withdraw: ", itoa(fundsAmount)));				itoa(fundsAmount, fundsAmountString);				strcpy(fundsString, "Funds to deposit: ",0,15);				strcat(fundsString, &fundsAmountString);				loli_print(&fundsString);			}		else if (inport(6) != 0)			if (65535 - currentFunds > fundsAmount) {				loli_print("Can't deposit any more funds!",0,16);			else				fundsAmount -= FUNDSINCAMOUNT;				itoa(fundsAmount, fundsAmountString);				strcpy(fundsString, "Funds to deposit: ",0,17);				strcat(fundsString, &fundsAmountString);				loli_print(&fundsString)			}		else if (inport(7) != 0)			return fundsAmount;		else if (inport(8) != 0)			return 0;		}	}}getCurrentFunds() {}setCurrentFunds() {}fundsScreen() {	char fundsString[26];	char currentFundsString[6];	extern int currentFunds;	clrscr();	loli_print("------------------------------",0,6);	loli_print("Current Funds",8,7);	loli_print("------------------------------",0,8);	itoa(currentFunds, currentFundsString);	strcpy(fundsString, "You currently have: ",2,10);	strcat(fundsString, &currentFundsString);	loli_print(&fundsString);	loli_print("Press Enter to continue.",3,12);	while (true) {		if (inport7 != 0)			return;	}}endgameScreen() {	char fundsString[32];	char currentFundsString[6];	extern int currentFunds	clrscr();	loli_print("------------------------------",0,0);	loli_print("THANK YOU!",0,1);	loli_print("Thank you for using the ATM!",1,5);	itoa(currentFunds, currentFundsString);	strcpy(fundsString, "Your funds amount is now: ",0,7);	strcat(fundsString, &currentFundsString);	loli_print(&fundsString);	loli_print("Please remove your keycard.  ",1,9);	loli_print("THANK YOU!",20,17);	loli_print("------------------------------",0,18);	while (true) {		if inport(0) == 0)			welcomeMessage();			return;	}}