WebSVN – HelenOS – Diff – /branches/network/uspace/app/tetris/screen.c


/*  $OpenBSD: screen.c,v 1.13 2006/04/20 03:25:36 ray Exp $ */
/*  $NetBSD: screen.c,v 1.4 1995/04/29 01:11:36 mycroft Exp $   */
 
/*-
 * Copyright (c) 1992, 1993
 *  The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Chris Torek and Darren F. Provine.
 *
 * 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.
 *
 *  @(#)screen.c    8.1 (Berkeley) 5/31/93
 */
 
/** @addtogroup tetris
 * @{
 */
/** @file
 */
 
/*
 * Tetris screen control.
 */
 
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <console.h>
 
#include <async.h>
#include "screen.h"
#include "tetris.h"
#include <ipc/console.h>
 
static cell curscreen[B_SIZE];  /* 1 => standout (or otherwise marked) */
static int curscore;
static int isset;       /* true => terminal is in game mode */
 
 
/*
 * putstr() is for unpadded strings (either as in termcap(5) or
 * simply literal strings);
 */
static inline void putstr(char *s)
{
    while (*s)
        putchar(*(s++));
}
 
static void start_standout(void)
{
    console_set_rgb_color(0xf0f0f0, 0);
}
 
static void resume_normal(void)
{
    console_set_rgb_color(0, 0xf0f0f0);
}
 
void clear_screen(void)
{
    console_clear();
    moveto(0, 0);
}
 
/*
 * Clear the screen, forgetting the current contents in the process.
 */
void
scr_clear(void)
{
 
    resume_normal();
    console_clear();
    curscore = -1;
    memset((char *)curscreen, 0, sizeof(curscreen));
}
 
/*
 * Set up screen
 */
void
scr_init(void)
{
    console_cursor_visibility(0);
    resume_normal();
    scr_clear();
}
 
void moveto(int r, int c)
{
    console_goto(r, c);
}
 
 
 
 
 
 
winsize_t winsize;
 
static int get_display_size(winsize_t *ws)
{
    return console_get_size(&ws->ws_row, &ws->ws_col);
}
 
/*
 * Set up screen mode.
 */
void
scr_set(void)
{
    winsize_t ws;
 
    Rows = 0, Cols = 0;
    if (get_display_size(&ws) == 0) {
        Rows = ws.ws_row;
        Cols = ws.ws_col;
    }
    if (Rows < MINROWS || Cols < MINCOLS) {
        char smallscr[55];
 
        snprintf(smallscr, sizeof(smallscr),
            "the screen is too small (must be at least %dx%d)",
            MINROWS, MINCOLS);
        stop(smallscr);
    }
    isset = 1;
 
    scr_clear();
}
 
/*
 * End screen mode.
 */
void
scr_end(void)
{
}
 
void
stop(char *why)
{
 
    if (isset)
        scr_end();
    errx(1, "aborting: %s", why);
}
 
 
/*
 * Update the screen.
 */
void
scr_update(void)
{
    cell *bp, *sp;
    cell so, cur_so = 0;
    int i, ccol, j;
    static const struct shape *lastshape;
 
    /* always leave cursor after last displayed point */
    curscreen[D_LAST * B_COLS - 1] = -1;
 
    if (score != curscore) {
        moveto(0, 0);
        printf("Score: %d", score);
        curscore = score;
    }
 
    /* draw preview of next pattern */
    if (showpreview && (nextshape != lastshape)) {
        int i;
        static int r=5, c=2;
        int tr, tc, t;
 
        lastshape = nextshape;
 
        /* clean */
        resume_normal();
        moveto(r-1, c-1); putstr("          ");
        moveto(r,   c-1); putstr("          ");
        moveto(r+1, c-1); putstr("          ");
        moveto(r+2, c-1); putstr("          ");
 
        moveto(r-3, c-2);
        putstr("Next shape:");
 
        /* draw */
        start_standout();
        moveto(r, 2 * c);
        putstr("  ");
        for (i = 0; i < 3; i++) {
            t = c + r * B_COLS;
            t += nextshape->off[i];
 
            tr = t / B_COLS;
            tc = t % B_COLS;
 
            moveto(tr, 2*tc);
            putstr("  ");
        }
        resume_normal();
    }
 
    bp = &board[D_FIRST * B_COLS];
    sp = &curscreen[D_FIRST * B_COLS];
    for (j = D_FIRST; j < D_LAST; j++) {
        ccol = -1;
        for (i = 0; i < B_COLS; bp++, sp++, i++) {
            if (*sp == (so = *bp))
                continue;
            *sp = so;
            if (i != ccol) {
                if (cur_so) {
                    resume_normal();
                    cur_so = 0;
                }
                moveto(RTOD(j), CTOD(i));
            }
            if (so != cur_so) {
                if (so)
                    start_standout();
                else
                    resume_normal();
                cur_so = so;
            }
            putstr("  ");
 
            ccol = i + 1;
            /*
             * Look ahead a bit, to avoid extra motion if
             * we will be redrawing the cell after the next.
             * Motion probably takes four or more characters,
             * so we save even if we rewrite two cells
             * `unnecessarily'.  Skip it all, though, if
             * the next cell is a different color.
             */
#define STOP (B_COLS - 3)
            if (i > STOP || sp[1] != bp[1] || so != bp[1])
                continue;
            if (sp[2] != bp[2])
                sp[1] = -1;
            else if (i < STOP && so == bp[2] && sp[3] != bp[3]) {
                sp[2] = -1;
                sp[1] = -1;
            }
        }
    }
    if (cur_so)
        resume_normal();
    fflush(stdout);
}
 
/*
 * Write a message (set!=0), or clear the same message (set==0).
 * (We need its length in case we have to overwrite with blanks.)
 */
void
scr_msg(char *s, int set)
{
   
    int l = strlen(s);
   
    moveto(Rows - 2, ((Cols - l) >> 1) - 1);
    if (set)
        putstr(s);
    else
        while (--l >= 0)
            (void) putchar(' ');
}
 
/** @}
 */
 
 

Rev 4153	Rev 4263
1	/* $OpenBSD: screen.c,v 1.13 2006/04/20 03:25:36 ray Exp $ */	1	/* $OpenBSD: screen.c,v 1.13 2006/04/20 03:25:36 ray Exp $ */
2	/* $NetBSD: screen.c,v 1.4 1995/04/29 01:11:36 mycroft Exp $ */	2	/* $NetBSD: screen.c,v 1.4 1995/04/29 01:11:36 mycroft Exp $ */
3		3
4	/*-	4	/*-
5	* Copyright (c) 1992, 1993	5	* Copyright (c) 1992, 1993
6	* The Regents of the University of California. All rights reserved.	6	* The Regents of the University of California. All rights reserved.
7	*	7	*
8	* This code is derived from software contributed to Berkeley by	8	* This code is derived from software contributed to Berkeley by
9	* Chris Torek and Darren F. Provine.	9	* Chris Torek and Darren F. Provine.
10	*	10	*
11	* Redistribution and use in source and binary forms, with or without	11	* Redistribution and use in source and binary forms, with or without
12	* modification, are permitted provided that the following conditions	12	* modification, are permitted provided that the following conditions
13	* are met:	13	* are met:
14	* 1. Redistributions of source code must retain the above copyright	14	* 1. Redistributions of source code must retain the above copyright
15	* notice, this list of conditions and the following disclaimer.	15	* notice, this list of conditions and the following disclaimer.
16	* 2. Redistributions in binary form must reproduce the above copyright	16	* 2. Redistributions in binary form must reproduce the above copyright
17	* notice, this list of conditions and the following disclaimer in the	17	* notice, this list of conditions and the following disclaimer in the
18	* documentation and/or other materials provided with the distribution.	18	* documentation and/or other materials provided with the distribution.
19	* 3. Neither the name of the University nor the names of its contributors	19	* 3. Neither the name of the University nor the names of its contributors
20	* may be used to endorse or promote products derived from this software	20	* may be used to endorse or promote products derived from this software
21	* without specific prior written permission.	21	* without specific prior written permission.
22	*	22	*
23	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND	23	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE	24	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE	25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE	26	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL	27	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS	28	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)	29	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT	30	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY	31	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF	32	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33	* SUCH DAMAGE.	33	* SUCH DAMAGE.
34	*	34	*
35	* @(#)screen.c 8.1 (Berkeley) 5/31/93	35	* @(#)screen.c 8.1 (Berkeley) 5/31/93
36	*/	36	*/
37		37
38	/** @addtogroup tetris	38	/** @addtogroup tetris
39	* @{	39	* @{
40	*/	40	*/
41	/** @file	41	/** @file
42	*/	42	*/
43		43
44	/*	44	/*
45	* Tetris screen control.	45	* Tetris screen control.
46	*/	46	*/
47		47
48	#include <err.h>	48	#include <err.h>
49	#include <stdio.h>	49	#include <stdio.h>
50	#include <stdlib.h>	50	#include <stdlib.h>
51	#include <string.h>	51	#include <string.h>
52	#include <unistd.h>	52	#include <unistd.h>
53	#include <console.h>	53	#include <console.h>
54		54
55	#include <async.h>	55	#include <async.h>
56	#include "screen.h"	56	#include "screen.h"
57	#include "tetris.h"	57	#include "tetris.h"
58	#include <ipc/console.h>	58	#include <ipc/console.h>
59		59
60	static cell curscreen[B_SIZE]; /* 1 => standout (or otherwise marked) */	60	static cell curscreen[B_SIZE]; /* 1 => standout (or otherwise marked) */
61	static int curscore;	61	static int curscore;
62	static int isset; /* true => terminal is in game mode */	62	static int isset; /* true => terminal is in game mode */
63		63
64		64
65	/*	65	/*
66	* putstr() is for unpadded strings (either as in termcap(5) or	66	* putstr() is for unpadded strings (either as in termcap(5) or
67	* simply literal strings);	67	* simply literal strings);
68	*/	68	*/
69	static inline void putstr(char *s)	69	static inline void putstr(char *s)
70	{	70	{
71	while (*s)	71	while (*s)
72	putchar(*(s++));	72	putchar(*(s++));
73	}	73	}
74		74
75	static void start_standout(void)	75	static void start_standout(void)
76	{	76	{
77	console_set_rgb_color(0xf0f0f0, 0);	77	console_set_rgb_color(0xf0f0f0, 0);
78	}	78	}
79		79
80	static void resume_normal(void)	80	static void resume_normal(void)
81	{	81	{
82	console_set_rgb_color(0, 0xf0f0f0);	82	console_set_rgb_color(0, 0xf0f0f0);
83	}	83	}
84		84
85	void clear_screen(void)	85	void clear_screen(void)
86	{	86	{
87	console_clear();	87	console_clear();
88	moveto(0, 0);	88	moveto(0, 0);
89	}	89	}
90		90
91	/*	91	/*
92	* Clear the screen, forgetting the current contents in the process.	92	* Clear the screen, forgetting the current contents in the process.
93	*/	93	*/
94	void	94	void
95	scr_clear(void)	95	scr_clear(void)
96	{	96	{
97		97
98	resume_normal();	98	resume_normal();
99	console_clear();	99	console_clear();
100	curscore = -1;	100	curscore = -1;
101	memset((char *)curscreen, 0, sizeof(curscreen));	101	memset((char *)curscreen, 0, sizeof(curscreen));
102	}	102	}
103		103
104	/*	104	/*
105	* Set up screen	105	* Set up screen
106	*/	106	*/
107	void	107	void
108	scr_init(void)	108	scr_init(void)
109	{	109	{
110	console_cursor_visibility(0);	110	console_cursor_visibility(0);
111	resume_normal();	111	resume_normal();
112	scr_clear();	112	scr_clear();
113	}	113	}
114		114
115	void moveto(int r, int c)	115	void moveto(int r, int c)
116	{	116	{
117	console_goto(r, c);	117	console_goto(r, c);
118	}	118	}
119		119
120	static void fflush(void)	-
121	{	-
122	console_flush();	-
123	}	-
124		-
125	winsize_t winsize;	120	winsize_t winsize;
126		121
127	static int get_display_size(winsize_t *ws)	122	static int get_display_size(winsize_t *ws)
128	{	123	{
129	return console_get_size(&ws->ws_row, &ws->ws_col);	124	return console_get_size(&ws->ws_row, &ws->ws_col);
130	}	125	}
131		126
132	/*	127	/*
133	* Set up screen mode.	128	* Set up screen mode.
134	*/	129	*/
135	void	130	void
136	scr_set(void)	131	scr_set(void)
137	{	132	{
138	winsize_t ws;	133	winsize_t ws;
139		134
140	Rows = 0, Cols = 0;	135	Rows = 0, Cols = 0;
141	if (get_display_size(&ws) == 0) {	136	if (get_display_size(&ws) == 0) {
142	Rows = ws.ws_row;	137	Rows = ws.ws_row;
143	Cols = ws.ws_col;	138	Cols = ws.ws_col;
144	}	139	}
145	if (Rows < MINROWS \|\| Cols < MINCOLS) {	140	if (Rows < MINROWS \|\| Cols < MINCOLS) {
146	char smallscr[55];	141	char smallscr[55];
147		142
148	snprintf(smallscr, sizeof(smallscr),	143	snprintf(smallscr, sizeof(smallscr),
149	"the screen is too small (must be at least %dx%d)",	144	"the screen is too small (must be at least %dx%d)",
150	MINROWS, MINCOLS);	145	MINROWS, MINCOLS);
151	stop(smallscr);	146	stop(smallscr);
152	}	147	}
153	isset = 1;	148	isset = 1;
154		149
155	scr_clear();	150	scr_clear();
156	}	151	}
157		152
158	/*	153	/*
159	* End screen mode.	154	* End screen mode.
160	*/	155	*/
161	void	156	void
162	scr_end(void)	157	scr_end(void)
163	{	158	{
164	}	159	}
165		160
166	void	161	void
167	stop(char *why)	162	stop(char *why)
168	{	163	{
169		164
170	if (isset)	165	if (isset)
171	scr_end();	166	scr_end();
172	errx(1, "aborting: %s", why);	167	errx(1, "aborting: %s", why);
173	}	168	}
174		169
175		170
176	/*	171	/*
177	* Update the screen.	172	* Update the screen.
178	*/	173	*/
179	void	174	void
180	scr_update(void)	175	scr_update(void)
181	{	176	{
182	cell bp, sp;	177	cell bp, sp;
183	cell so, cur_so = 0;	178	cell so, cur_so = 0;
184	int i, ccol, j;	179	int i, ccol, j;
185	static const struct shape *lastshape;	180	static const struct shape *lastshape;
186		181
187	/* always leave cursor after last displayed point */	182	/* always leave cursor after last displayed point */
188	curscreen[D_LAST * B_COLS - 1] = -1;	183	curscreen[D_LAST * B_COLS - 1] = -1;
189		184
190	if (score != curscore) {	185	if (score != curscore) {
191	moveto(0, 0);	186	moveto(0, 0);
192	printf("Score: %d", score);	187	printf("Score: %d", score);
193	curscore = score;	188	curscore = score;
194	}	189	}
195		190
196	/* draw preview of next pattern */	191	/* draw preview of next pattern */
197	if (showpreview && (nextshape != lastshape)) {	192	if (showpreview && (nextshape != lastshape)) {
198	int i;	193	int i;
199	static int r=5, c=2;	194	static int r=5, c=2;
200	int tr, tc, t;	195	int tr, tc, t;
201		196
202	lastshape = nextshape;	197	lastshape = nextshape;
203		198
204	/* clean */	199	/* clean */
205	resume_normal();	200	resume_normal();
206	moveto(r-1, c-1); putstr(" ");	201	moveto(r-1, c-1); putstr(" ");
207	moveto(r, c-1); putstr(" ");	202	moveto(r, c-1); putstr(" ");
208	moveto(r+1, c-1); putstr(" ");	203	moveto(r+1, c-1); putstr(" ");
209	moveto(r+2, c-1); putstr(" ");	204	moveto(r+2, c-1); putstr(" ");
210		205
211	moveto(r-3, c-2);	206	moveto(r-3, c-2);
212	putstr("Next shape:");	207	putstr("Next shape:");
213		208
214	/* draw */	209	/* draw */
215	start_standout();	210	start_standout();
216	moveto(r, 2 * c);	211	moveto(r, 2 * c);
217	putstr(" ");	212	putstr(" ");
218	for (i = 0; i < 3; i++) {	213	for (i = 0; i < 3; i++) {
219	t = c + r * B_COLS;	214	t = c + r * B_COLS;
220	t += nextshape->off[i];	215	t += nextshape->off[i];
221		216
222	tr = t / B_COLS;	217	tr = t / B_COLS;
223	tc = t % B_COLS;	218	tc = t % B_COLS;
224		219
225	moveto(tr, 2*tc);	220	moveto(tr, 2*tc);
226	putstr(" ");	221	putstr(" ");
227	}	222	}
228	resume_normal();	223	resume_normal();
229	}	224	}
230		225
231	bp = &board[D_FIRST * B_COLS];	226	bp = &board[D_FIRST * B_COLS];
232	sp = &curscreen[D_FIRST * B_COLS];	227	sp = &curscreen[D_FIRST * B_COLS];
233	for (j = D_FIRST; j < D_LAST; j++) {	228	for (j = D_FIRST; j < D_LAST; j++) {
234	ccol = -1;	229	ccol = -1;
235	for (i = 0; i < B_COLS; bp++, sp++, i++) {	230	for (i = 0; i < B_COLS; bp++, sp++, i++) {
236	if (sp == (so = bp))	231	if (sp == (so = bp))
237	continue;	232	continue;
238	*sp = so;	233	*sp = so;
239	if (i != ccol) {	234	if (i != ccol) {
240	if (cur_so) {	235	if (cur_so) {
241	resume_normal();	236	resume_normal();
242	cur_so = 0;	237	cur_so = 0;
243	}	238	}
244	moveto(RTOD(j), CTOD(i));	239	moveto(RTOD(j), CTOD(i));
245	}	240	}
246	if (so != cur_so) {	241	if (so != cur_so) {
247	if (so)	242	if (so)
248	start_standout();	243	start_standout();
249	else	244	else
250	resume_normal();	245	resume_normal();
251	cur_so = so;	246	cur_so = so;
252	}	247	}
253	putstr(" ");	248	putstr(" ");
254		249
255	ccol = i + 1;	250	ccol = i + 1;
256	/*	251	/*
257	* Look ahead a bit, to avoid extra motion if	252	* Look ahead a bit, to avoid extra motion if
258	* we will be redrawing the cell after the next.	253	* we will be redrawing the cell after the next.
259	* Motion probably takes four or more characters,	254	* Motion probably takes four or more characters,
260	* so we save even if we rewrite two cells	255	* so we save even if we rewrite two cells
261	* `unnecessarily'. Skip it all, though, if	256	* `unnecessarily'. Skip it all, though, if
262	* the next cell is a different color.	257	* the next cell is a different color.
263	*/	258	*/
264	#define STOP (B_COLS - 3)	259	#define STOP (B_COLS - 3)
265	if (i > STOP \|\| sp[1] != bp[1] \|\| so != bp[1])	260	if (i > STOP \|\| sp[1] != bp[1] \|\| so != bp[1])
266	continue;	261	continue;
267	if (sp[2] != bp[2])	262	if (sp[2] != bp[2])
268	sp[1] = -1;	263	sp[1] = -1;
269	else if (i < STOP && so == bp[2] && sp[3] != bp[3]) {	264	else if (i < STOP && so == bp[2] && sp[3] != bp[3]) {
270	sp[2] = -1;	265	sp[2] = -1;
271	sp[1] = -1;	266	sp[1] = -1;
272	}	267	}
273	}	268	}
274	}	269	}
275	if (cur_so)	270	if (cur_so)
276	resume_normal();	271	resume_normal();
277	fflush();	272	fflush(stdout);
278	}	273	}
279		274
280	/*	275	/*
281	* Write a message (set!=0), or clear the same message (set==0).	276	* Write a message (set!=0), or clear the same message (set==0).
282	* (We need its length in case we have to overwrite with blanks.)	277	* (We need its length in case we have to overwrite with blanks.)
283	*/	278	*/
284	void	279	void
285	scr_msg(char *s, int set)	280	scr_msg(char *s, int set)
286	{	281	{
287		282
288	int l = strlen(s);	283	int l = strlen(s);
289		284
290	moveto(Rows - 2, ((Cols - l) >> 1) - 1);	285	moveto(Rows - 2, ((Cols - l) >> 1) - 1);
291	if (set)	286	if (set)
292	putstr(s);	287	putstr(s);
293	else	288	else
294	while (--l >= 0)	289	while (--l >= 0)
295	(void) putchar(' ');	290	(void) putchar(' ');
296	}	291	}
297		292
298	/** @}	293	/** @}
299	*/	294	*/
300		295
301		296

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(root)/branches/network/uspace/app/tetris/screen.c – Rev 4153 → 4263