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/*	$NetBSD: store.c,v 1.16 2012/06/19 05:30:44 dholland Exp $	 */

/*-
 * Copyright (c) 1988 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char     sccsid[] = "@(#)store.c	5.4 (Berkeley) 5/13/91";
#else
__RCSID("$NetBSD: store.c,v 1.16 2012/06/19 05:30:44 dholland Exp $");
#endif
#endif				/* not lint */

/* store.c		Larn is copyrighted 1986 by Noah Morgan. */
#include "header.h"
#include "extern.h"

static void handsfull(void);
static void outofstock(void);
static void nogold(void);
static void dnditem(int);
static void banktitle(const char *);
static void obanksub(void);
static void otradhead(void);
static void cnsitm(void);

static int      dndcount = 0, dnditm = 0;

/* number of items in the dnd inventory table	 */
#define MAXITM 83

/* this is the data for the stuff in the dnd store	 */
struct _itm     itm[90] = {
	/*
	 * cost 		iven name		iven arg   how gp
	 * iven[]		ivenarg[]  many
	 */

	{2, OLEATHER, 0, 3},
	{10, OSTUDLEATHER, 0, 2},
	{40, ORING, 0, 2},
	{85, OCHAIN, 0, 2},
	{220, OSPLINT, 0, 1},
	{400, OPLATE, 0, 1},
	{900, OPLATEARMOR, 0, 1},
	{2600, OSSPLATE, 0, 1},
	{150, OSHIELD, 0, 1},

	/*
	 * cost	 	iven name		iven arg   how gp
	 * iven[]		ivenarg[]  many
	 */

	{2, ODAGGER, 0, 3},
	{20, OSPEAR, 0, 3},
	{80, OFLAIL, 0, 2},
	{150, OBATTLEAXE, 0, 2},
	{450, OLONGSWORD, 0, 2},
	{1000, O2SWORD, 0, 2},
	{5000, OSWORD, 0, 1},
	{16500, OLANCE, 0, 1},
	{6000, OSWORDofSLASHING, 0, 0},
	{10000, OHAMMER, 0, 0},

	/*
	 * cost		iven name		iven arg   how gp
	 * iven[]		ivenarg[]  many
	 */

	{150, OPROTRING, 1, 1},
	{85, OSTRRING, 1, 1},
	{120, ODEXRING, 1, 1},
	{120, OCLEVERRING, 1, 1},
	{180, OENERGYRING, 0, 1},
	{125, ODAMRING, 0, 1},
	{220, OREGENRING, 0, 1},
	{1000, ORINGOFEXTRA, 0, 1},

	{280, OBELT, 0, 1},

	{400, OAMULET, 0, 1},

	{6500, OORBOFDRAGON, 0, 0},
	{5500, OSPIRITSCARAB, 0, 0},
	{5000, OCUBEofUNDEAD, 0, 0},
	{6000, ONOTHEFT, 0, 0},

	{590, OCHEST, 6, 1},
	{200, OBOOK, 8, 1},
	{10, OCOOKIE, 0, 3},

	/*
	 * cost		iven name		iven arg   how gp
	 * iven[]		ivenarg[]  many
	 */

	{20, OPOTION, 0, 6},
	{90, OPOTION, 1, 5},
	{520, OPOTION, 2, 1},
	{100, OPOTION, 3, 2},
	{50, OPOTION, 4, 2},
	{150, OPOTION, 5, 2},
	{70, OPOTION, 6, 1},
	{30, OPOTION, 7, 7},
	{200, OPOTION, 8, 1},
	{50, OPOTION, 9, 1},
	{80, OPOTION, 10, 1},

	/*
	 * cost		iven name		iven arg   how gp
	 * iven[]		ivenarg[]  many
	 */

	{30, OPOTION, 11, 3},
	{20, OPOTION, 12, 5},
	{40, OPOTION, 13, 3},
	{35, OPOTION, 14, 2},
	{520, OPOTION, 15, 1},
	{90, OPOTION, 16, 2},
	{200, OPOTION, 17, 2},
	{220, OPOTION, 18, 4},
	{80, OPOTION, 19, 6},
	{370, OPOTION, 20, 3},
	{50, OPOTION, 22, 1},
	{150, OPOTION, 23, 3},

	/*
	 * cost		iven name		iven arg   how gp
	 * iven[]		ivenarg[]  many
	 */

	{100, OSCROLL, 0, 2},
	{125, OSCROLL, 1, 2},
	{60, OSCROLL, 2, 4},
	{10, OSCROLL, 3, 4},
	{100, OSCROLL, 4, 3},
	{200, OSCROLL, 5, 2},
	{110, OSCROLL, 6, 1},
	{500, OSCROLL, 7, 2},
	{200, OSCROLL, 8, 2},
	{250, OSCROLL, 9, 4},
	{20, OSCROLL, 10, 5},
	{30, OSCROLL, 11, 3},

	/*
	 * cost 		iven name		iven arg   how gp
	 * iven[]		ivenarg[]  many
	 */

	{340, OSCROLL, 12, 1},
	{340, OSCROLL, 13, 1},
	{300, OSCROLL, 14, 2},
	{400, OSCROLL, 15, 2},
	{500, OSCROLL, 16, 2},
	{1000, OSCROLL, 17, 1},
	{500, OSCROLL, 18, 1},
	{340, OSCROLL, 19, 2},
	{220, OSCROLL, 20, 3},
	{3900, OSCROLL, 21, 0},
	{610, OSCROLL, 22, 1},
	{3000, OSCROLL, 23, 0}
};

/*
	function for the dnd store
 */
static void
dnd_2hed(void)
{
	lprcat("Welcome to the Larn Thrift Shoppe.  We stock many items explorers find useful\n");
	lprcat(" in their adventures.  Feel free to browse to your hearts content.\n");
	lprcat("Also be advised, if you break 'em, you pay for 'em.");
}

static void
dnd_hed(void)
{
	int    i;
	for (i = dnditm; i < 26 + dnditm; i++)
		dnditem(i);
	cursor(50, 18);
	lprcat("You have ");
}

static void
handsfull(void)
{
	lprcat("\nYou can't carry anything more!");
	lflush();
	nap(2200);
}

static void
outofstock(void)
{
	lprcat("\nSorry, but we are out of that item.");
	lflush();
	nap(2200);
}

static void 
nogold(void)
{
	lprcat("\nYou don't have enough gold to pay for that!");
	lflush();
	nap(2200);
}

void
dndstore(void)
{
	int    i;
	dnditm = 0;
	nosignal = 1;		/* disable signals */
	clear();
	dnd_2hed();
	if (outstanding_taxes > 0) {
		lprcat("\n\nThe Larn Revenue Service has ordered us to not do business with tax evaders.\n");
		beep();
		lprintf("They have also told us that you owe %ld gp in back taxes, and as we must\n", (long) outstanding_taxes);
		lprcat("comply with the law, we cannot serve you at this time.  Soo Sorry.\n");
		cursors();
		lprcat("\nPress ");
		standout("escape");
		lprcat(" to leave: ");
		lflush();
		i = 0;
		while (i != '\33')
			i = ttgetch();
		drawscreen();
		nosignal = 0;	/* enable signals */
		return;
	}
	dnd_hed();
	while (1) {
		cursor(59, 18);
		lprintf("%ld gold pieces", (long) c[GOLD]);
		cltoeoln();
		cl_dn(1, 20);	/* erase to eod */
		lprcat("\nEnter your transaction [");
		standout("space");
		lprcat(" for more, ");
		standout("escape");
		lprcat(" to leave]? ");
		i = 0;
		while ((i < 'a' || i > 'z') && (i != ' ') && (i != '\33') && (i != 12))
			i = ttgetch();
		if (i == 12) {
			clear();
			dnd_2hed();
			dnd_hed();
		} else if (i == '\33') {
			drawscreen();
			nosignal = 0;	/* enable signals */
			return;
		} else if (i == ' ') {
			cl_dn(1, 4);
			if ((dnditm += 26) >= MAXITM)
				dnditm = 0;
			dnd_hed();
		} else {	/* buy something */
			lprc(i);/* echo the byte */
			i += dnditm - 'a';
			if (i >= MAXITM)
				outofstock();
			else if (itm[i].qty <= 0)
				outofstock();
			else if (pocketfull())
				handsfull();
			else if (c[GOLD] < itm[i].price * 10)
				nogold();
			else {
				if (itm[i].obj == OPOTION) {
					potionname[itm[i].arg] = potionhide[itm[i].arg];
				} else if (itm[i].obj == OSCROLL) {
					scrollname[itm[i].arg] = scrollhide[itm[i].arg];
				}
				c[GOLD] -= itm[i].price * 10;
				itm[i].qty--;
				take(itm[i].obj, itm[i].arg);
				if (itm[i].qty == 0)
					dnditem(i);
				nap(1001);
			}
		}

	}
}

/*
	dnditem(index)

	to print the item list;  used in dndstore() enter with the index into itm
 */
static void
dnditem(int i)
{
	int    j, k;
	if (i >= MAXITM)
		return;
	cursor((j = (i & 1) * 40 + 1), (k = ((i % 26) >> 1) + 5));
	if (itm[i].qty == 0) {
		lprintf("%39s", "");
		return;
	}
	lprintf("%c) ", (i % 26) + 'a');
	if (itm[i].obj == OPOTION) {
		lprintf("potion of%s", potionhide[itm[i].arg]);
	} else if (itm[i].obj == OSCROLL) {
		lprintf("scroll of%s", scrollhide[itm[i].arg]);
	} else
		lprintf("%s", objectname[itm[i].obj]);
	cursor(j + 31, k);
	lprintf("%6ld", (long) (itm[i].price * 10));
}



/*
	for the college of larn
 */
u_char          course[26] = {0};	/* the list of courses taken	 */
static char coursetime[] = {10, 15, 10, 20, 10, 10, 10, 5};
/*
	function to display the header info for the school
 */
static void
sch_hed(void)
{
	clear();
	lprcat("The College of Larn offers the exciting opportunity of higher education to\n");
	lprcat("all inhabitants of the caves.  Here is a list of the class schedule:\n\n\n");
	lprcat("\t\t    Course Name \t       Time Needed\n\n");

	if (course[0] == 0)
		lprcat("\t\ta)  Fighters Training I         10 mobuls");	/* line 7 of crt */
	lprc('\n');
	if (course[1] == 0)
		lprcat("\t\tb)  Fighters Training II        15 mobuls");
	lprc('\n');
	if (course[2] == 0)
		lprcat("\t\tc)  Introduction to Wizardry    10 mobuls");
	lprc('\n');
	if (course[3] == 0)
		lprcat("\t\td)  Applied Wizardry            20 mobuls");
	lprc('\n');
	if (course[4] == 0)
		lprcat("\t\te)  Behavioral Psychology       10 mobuls");
	lprc('\n');
	if (course[5] == 0)
		lprcat("\t\tf)  Faith for Today             10 mobuls");
	lprc('\n');
	if (course[6] == 0)
		lprcat("\t\tg)  Contemporary Dance          10 mobuls");
	lprc('\n');
	if (course[7] == 0)
		lprcat("\t\th)  History of Larn              5 mobuls");

	lprcat("\n\n\t\tAll courses cost 250 gold pieces.");
	cursor(30, 18);
	lprcat("You are presently carrying ");
}

void
oschool(void)
{
	int    i;
	long            time_used;
	nosignal = 1;		/* disable signals */
	sch_hed();
	while (1) {
		cursor(57, 18);
		lprintf("%ld gold pieces.   ", (long) c[GOLD]);
		cursors();
		lprcat("\nWhat is your choice [");
		standout("escape");
		lprcat(" to leave] ? ");
		yrepcount = 0;
		i = 0;
		while ((i < 'a' || i > 'h') && (i != '\33') && (i != 12))
			i = ttgetch();
		if (i == 12) {
			sch_hed();
			continue;
		} else if (i == '\33') {
			nosignal = 0;
			drawscreen();	/* enable signals */
			return;
		}
		lprc(i);
		if (c[GOLD] < 250)
			nogold();
		else if (course[i - 'a']) {
			lprcat("\nSorry, but that class is filled.");
			nap(1000);
		} else if (i <= 'h') {
			c[GOLD] -= 250;
			time_used = 0;
			switch (i) {
			case 'a':
				c[STRENGTH] += 2;
				c[CONSTITUTION]++;
				lprcat("\nYou feel stronger!");
				cl_line(16, 7);
				break;

			case 'b':
				if (course[0] == 0) {
					lprcat("\nSorry, but this class has a prerequisite of Fighters Training I");
					c[GOLD] += 250;
					time_used = -10000;
					break;
				}
				lprcat("\nYou feel much stronger!");
				cl_line(16, 8);
				c[STRENGTH] += 2;
				c[CONSTITUTION] += 2;
				break;

			case 'c':
				c[INTELLIGENCE] += 2;
				lprcat("\nThe task before you now seems more attainable!");
				cl_line(16, 9);
				break;

			case 'd':
				if (course[2] == 0) {
					lprcat("\nSorry, but this class has a prerequisite of Introduction to Wizardry");
					c[GOLD] += 250;
					time_used = -10000;
					break;
				}
				lprcat("\nThe task before you now seems very attainable!");
				cl_line(16, 10);
				c[INTELLIGENCE] += 2;
				break;

			case 'e':
				c[CHARISMA] += 3;
				lprcat("\nYou now feel like a born leader!");
				cl_line(16, 11);
				break;

			case 'f':
				c[WISDOM] += 2;
				lprcat("\nYou now feel more confident that you can find the potion in time!");
				cl_line(16, 12);
				break;

			case 'g':
				c[DEXTERITY] += 3;
				lprcat("\nYou feel like dancing!");
				cl_line(16, 13);
				break;

			case 'h':
				c[INTELLIGENCE]++;
				lprcat("\nYour instructor told you that the Eye of Larn is rumored to be guarded\n");
				lprcat("by a platinum dragon who possesses psionic abilities. ");
				cl_line(16, 14);
				break;
			}
			time_used += coursetime[i - 'a'] * 100;
			if (time_used > 0) {
				gltime += time_used;
				course[i - 'a']++;	/* remember that he has
							 * taken that course	 */
				c[HP] = c[HPMAX];
				c[SPELLS] = c[SPELLMAX];	/* he regenerated */

				if (c[BLINDCOUNT])
					c[BLINDCOUNT] = 1;	/* cure blindness too!  */
				if (c[CONFUSE])
					c[CONFUSE] = 1;	/* end confusion	 */
				adjusttime((long) time_used);	/* adjust parameters for
								 * time change */
			}
			nap(1000);
		}
	}
}


/*
 *	for the first national bank of Larn
 */
int             lasttime = 0;	/* last time he was in bank */

void
obank(void)
{
	banktitle("    Welcome to the First National Bank of Larn.");
}
void
obank2(void)
{
	banktitle("Welcome to the 5th level branch office of the First National Bank of Larn.");
}

static void
banktitle(const char *str)
{
	nosignal = 1;		/* disable signals */
	clear();
	lprcat(str);
	if (outstanding_taxes > 0) {
		int    i;
		lprcat("\n\nThe Larn Revenue Service has ordered that your account be frozen until all\n");
		beep();
		lprintf("levied taxes have been paid.  They have also told us that you owe %ld gp in\n", (long) outstanding_taxes);
		lprcat("taxes, and we must comply with them. We cannot serve you at this time.  Sorry.\n");
		lprcat("We suggest you go to the LRS office and pay your taxes.\n");
		cursors();
		lprcat("\nPress ");
		standout("escape");
		lprcat(" to leave: ");
		lflush();
		i = 0;
		while (i != '\33')
			i = ttgetch();
		drawscreen();
		nosignal = 0;	/* enable signals */
		return;
	}
	lprcat("\n\n\tGemstone\t      Appraisal\t\tGemstone\t      Appraisal");
	obanksub();
	nosignal = 0;		/* enable signals */
	drawscreen();
}

/*
 *	function to put interest on your bank account
 */
void
ointerest(void)
{
	int    i;
	if (c[BANKACCOUNT] < 0)
		c[BANKACCOUNT] = 0;
	else if ((c[BANKACCOUNT] > 0) && (c[BANKACCOUNT] < 500000)) {
		i = (gltime - lasttime) / 100;	/* # mobuls elapsed */
		while ((i-- > 0) && (c[BANKACCOUNT] < 500000))
			c[BANKACCOUNT] += c[BANKACCOUNT] / 250;
		if (c[BANKACCOUNT] > 500000)
			c[BANKACCOUNT] = 500000;	/* interest limit */
	}
	lasttime = (gltime / 100) * 100;
}

static short    gemorder[26] = {0};	/* the reference to screen location
					 * for each */
static long     gemvalue[26] = {0};	/* the appraisal of the gems */
void
obanksub(void)
{
	long   amt;
	int    i, k;
	ointerest();		/* credit any needed interest */

	for (k = i = 0; i < 26; i++)
		switch (iven[i]) {
		case OLARNEYE:
		case ODIAMOND:
		case OEMERALD:
		case ORUBY:
		case OSAPPHIRE:

			if (iven[i] == OLARNEYE) {
				gemvalue[i] = 250000 - ((gltime * 7) / 100) * 100;
				if (gemvalue[i] < 50000)
					gemvalue[i] = 50000;
			} else
				gemvalue[i] = (255 & ivenarg[i]) * 100;
			gemorder[i] = k;
			cursor((k % 2) * 40 + 1, (k >> 1) + 4);
			lprintf("%c) %s", i + 'a', objectname[iven[i]]);
			cursor((k % 2) * 40 + 33, (k >> 1) + 4);
			lprintf("%5ld", (long) gemvalue[i]);
			k++;
		};
	cursor(31, 17);
	lprintf("You have %8ld gold pieces in the bank.", (long) c[BANKACCOUNT]);
	cursor(40, 18);
	lprintf("You have %8ld gold pieces", (long) c[GOLD]);
	if (c[BANKACCOUNT] + c[GOLD] >= 500000)
		lprcat("\nNote:  Larndom law states that only deposits under 500,000gp  can earn interest.");
	while (1) {
		cl_dn(1, 20);
		lprcat("\nYour wish? [(");
		standout("d");
		lprcat(") deposit, (");
		standout("w");
		lprcat(") withdraw, (");
		standout("s");
		lprcat(") sell a stone, or ");
		standout("escape");
		lprcat("]  ");
		yrepcount = 0;
		i = 0;
		while (i != 'd' && i != 'w' && i != 's' && i != '\33')
			i = ttgetch();
		switch (i) {
		case 'd':
			lprcat("deposit\nHow much? ");
			amt = readnum((long) c[GOLD]);
			if (amt < 0) {
				lprcat("\nSorry, but we can't take negative gold!");
				nap(2000);
				amt = 0;
			} else if (amt > c[GOLD]) {
				lprcat("  You don't have that much.");
				nap(2000);
			} else {
				c[GOLD] -= amt;
				c[BANKACCOUNT] += amt;
			}
			break;

		case 'w':
			lprcat("withdraw\nHow much? ");
			amt = readnum((long) c[BANKACCOUNT]);
			if (amt < 0) {
				lprcat("\nSorry, but we don't have any negative gold!");
				nap(2000);
				amt = 0;
			} else if (amt > c[BANKACCOUNT]) {
				lprcat("\nYou don't have that much in the bank!");
				nap(2000);
			} else {
				c[GOLD] += amt;
				c[BANKACCOUNT] -= amt;
			}
			break;

		case 's':
			lprcat("\nWhich stone would you like to sell? ");
			i = 0;
			while ((i < 'a' || i > 'z') && i != '*')
				i = ttgetch();
			if (i == '*')
				for (i = 0; i < 26; i++) {
					if (gemvalue[i]) {
						c[GOLD] += gemvalue[i];
						iven[i] = 0;
						gemvalue[i] = 0;
						k = gemorder[i];
						cursor((k % 2) * 40 + 1, (k >> 1) + 4);
						lprintf("%39s", "");
					}
				}
			else {
				if (gemvalue[i = i - 'a'] == 0) {
					lprintf("\nItem %c is not a gemstone!", i + 'a');
					nap(2000);
					break;
				}
				c[GOLD] += gemvalue[i];
				iven[i] = 0;
				gemvalue[i] = 0;
				k = gemorder[i];
				cursor((k % 2) * 40 + 1, (k >> 1) + 4);
				lprintf("%39s", "");
			}
			break;

		case '\33':
			return;
		};
		cursor(40, 17);
		lprintf("%8ld", (long) c[BANKACCOUNT]);
		cursor(49, 18);
		lprintf("%8ld", (long) c[GOLD]);
	}
}

#if 0 /* XXX: apparently unused */
/*
	subroutine to appraise any stone for the bank
 */
static void
appraise(int gemstone)
{
	int    j, amt;
	for (j = 0; j < 26; j++)
		if (iven[j] == gemstone) {
			lprintf("\nI see you have %s", objectname[gemstone]);
			if (gemstone == OLARNEYE)
				lprcat("  I must commend you.  I didn't think\nyou could get it.");
			lprcat("  Shall I appraise it for you? ");
			yrepcount = 0;
			if (getyn() == 'y') {
				lprcat("yes.\n  Just one moment please \n");
				nap(1000);
				if (gemstone == OLARNEYE) {
					amt = 250000 - ((gltime * 7) / 100) * 100;
					if (amt < 50000)
						amt = 50000;
				} else
					amt = (255 & ivenarg[j]) * 100;
				lprintf("\nI can see this is an excellent stone, It is worth %ld", (long) amt);
				lprcat("\nWould you like to sell it to us? ");
				yrepcount = 0;
				if (getyn() == 'y') {
					lprcat("yes\n");
					c[GOLD] += amt;
					iven[j] = 0;
				} else
					lprcat("no thank you.\n");
				if (gemstone == OLARNEYE)
					lprcat("It is, of course, your privilege to keep the stone\n");
			} else
				lprcat("no\nO. K.\n");
		}
}
#endif /* 0 - unused */

/*
	function for the trading post
 */
static void
otradhead(void)
{
	clear();
	lprcat("Welcome to the Larn Trading Post.  We buy items that explorers no longer find\n");
	lprcat("useful.  Since the condition of the items you bring in is not certain,\n");
	lprcat("and we incur great expense in reconditioning the items, we usually pay\n");
	lprcat("only 20% of their value were they to be new.  If the items are badly\n");
	lprcat("damaged, we will pay only 10% of their new value.\n\n");
}

void
otradepost(void)
{
	int    i, j, value, isub, izarg;
	dnditm = dndcount = 0;
	nosignal = 1;		/* disable signals */
	resetscroll();
	otradhead();
	while (1) {
		lprcat("\nWhat item do you want to sell to us [");
		standout("*");
		lprcat(" for list, or ");
		standout("escape");
		lprcat("] ? ");
		i = 0;
		while (i > 'z' || (i < 'a' && i != '*' && i != '\33' && i != '.'))
			i = ttgetch();
		if (i == '\33') {
			setscroll();
			recalc();
			drawscreen();
			nosignal = 0;	/* enable signals */
			return;
		}
		isub = i - 'a';
		j = 0;
		if (iven[isub] == OSCROLL)
			if (scrollname[ivenarg[isub]][0] == 0) {
				j = 1;
				cnsitm();
			}	/* can't sell unidentified item */
		if (iven[isub] == OPOTION)
			if (potionname[ivenarg[isub]][0] == 0) {
				j = 1;
				cnsitm();
			}	/* can't sell unidentified item */
		if (!j) {
			if (i == '*') {
				clear();
				qshowstr();
				otradhead();
			} else if (iven[isub] == 0)
				lprintf("\nYou don't have item %c!", isub + 'a');
			else {
				for (j = 0; j < MAXITM; j++)
					if ((itm[j].obj == iven[isub]) || (iven[isub] == ODIAMOND) || (iven[isub] == ORUBY) || (iven[isub] == OEMERALD) || (iven[isub] == OSAPPHIRE)) {
						srcount = 0;
						show3(isub);	/* show what the item
								 * was */
						if ((iven[isub] == ODIAMOND) || (iven[isub] == ORUBY)
						    || (iven[isub] == OEMERALD) || (iven[isub] == OSAPPHIRE))
							value = 20 * ivenarg[isub];
						else if ((itm[j].obj == OSCROLL) || (itm[j].obj == OPOTION))
							value = 2 * itm[j + ivenarg[isub]].price;
						else {
							izarg = ivenarg[isub];
							value = itm[j].price;	/* appreciate if a +n
										 * object */
							if (izarg >= 0)
								value *= 2;
							while ((izarg-- > 0) && ((value = 14 * (67 + value) / 10) < 500000));
						}
						lprintf("\nItem (%c) is worth %ld gold pieces to us.  Do you want to sell it? ", i, (long) value);
						yrepcount = 0;
						if (getyn() == 'y') {
							lprcat("yes\n");
							c[GOLD] += value;
							if (c[WEAR] == isub)
								c[WEAR] = -1;
							if (c[WIELD] == isub)
								c[WIELD] = -1;
							if (c[SHIELD] == isub)
								c[SHIELD] = -1;
							adjustcvalues(iven[isub], ivenarg[isub]);
							iven[isub] = 0;
						} else
							lprcat("no thanks.\n");
						j = MAXITM + 100;	/* get out of the inner
									 * loop */
					}
				if (j <= MAXITM + 2)
					lprcat("\nSo sorry, but we are not authorized to accept that item.");
			}
		}
	}
}

static void
cnsitm(void)
{
	lprcat("\nSorry, we can't accept unidentified objects.");
}

/*
 *	for the Larn Revenue Service
 */
void
olrs(void)
{
	int    i, first;
	long   amt;
	first = nosignal = 1;	/* disable signals */
	clear();
	resetscroll();
	cursor(1, 4);
	lprcat("Welcome to the Larn Revenue Service district office.  How can we help you?");
	while (1) {
		if (first) {
			first = 0;
			goto nxt;
		}
		cursors();
		lprcat("\n\nYour wish? [(");
		standout("p");
		lprcat(") pay taxes, or ");
		standout("escape");
		lprcat("]  ");
		yrepcount = 0;
		i = 0;
		while (i != 'p' && i != '\33')
			i = ttgetch();
		switch (i) {
		case 'p':
			lprcat("pay taxes\nHow much? ");
			amt = readnum((long) c[GOLD]);
			if (amt < 0) {
				lprcat("\nSorry, but we can't take negative gold\n");
				amt = 0;
			} else if (amt > c[GOLD])
				lprcat("  You don't have that much.\n");
			else
				c[GOLD] -= paytaxes(amt);
			break;

		case '\33':
			nosignal = 0;	/* enable signals */
			setscroll();
			drawscreen();
			return;
		};

nxt:		cursor(1, 6);
		if (outstanding_taxes > 0)
			lprintf("You presently owe %ld gp in taxes.  ", (long) outstanding_taxes);
		else
			lprcat("You do not owe us any taxes.           ");
		cursor(1, 8);
		if (c[GOLD] > 0)
			lprintf("You have %6ld gp.    ", (long) c[GOLD]);
		else
			lprcat("You have no gold pieces.  ");
	}
}