WebSVN – HelenOS – Diff – /trunk/uspace/srv/kbd/ctl/gxe_fb.c


/*
 * Copyright (c) 2009 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */
 
/** @addtogroup kbd_ctl
 * @ingroup kbd
 * @{
 */
/**
 * @file
 * @brief   GXEmul framebuffer-mode keyboard controller driver.
 */
 
#include <kbd.h>
#include <kbd/kbd.h>
#include <kbd/keycode.h>
#include <kbd_ctl.h>
 
static void parse_ds_start(int scancode);
static void parse_ds_e(int scancode);
static void parse_ds_e1(int scancode);
static void parse_ds_e1a(int scancode);
static void parse_ds_e1b(int scancode);
static void parse_ds_e1c(int scancode);
 
static void parse_leaf(int scancode, int *map, size_t map_length);
 
enum dec_state {
    ds_start,
    ds_e,
    ds_e1,
    ds_e1a,
    ds_e1b,
    ds_e1c
};
 
static int map_start[] = {
 
    [0x60] = KC_BACKTICK,
 
    [0x31] = KC_1,
    [0x32] = KC_2,
    [0x33] = KC_3,
    [0x34] = KC_4,
    [0x35] = KC_5,
    [0x36] = KC_6,
    [0x37] = KC_7,
    [0x38] = KC_8,
    [0x39] = KC_9,
    [0x30] = KC_0,
 
    [0x2d] = KC_MINUS,
    [0x3d] = KC_EQUALS,
    [0x08] = KC_BACKSPACE,
 
    [0x0f] = KC_TAB,
 
    [0x71] = KC_Q,
    [0x77] = KC_W,
    [0x65] = KC_E,
    [0x72] = KC_R,
    [0x74] = KC_T,
    [0x79] = KC_Y,
    [0x75] = KC_U,
    [0x69] = KC_I,
    [0x6f] = KC_O,
    [0x70] = KC_P,
 
    [0x5b] = KC_LBRACKET,
    [0x5d] = KC_RBRACKET,
 
//  [0x3a] = KC_CAPS_LOCK,
 
    [0x61] = KC_A,
    [0x73] = KC_S,
    [0x64] = KC_D,
    [0x66] = KC_F,
    [0x67] = KC_G,
    [0x68] = KC_H,
    [0x6a] = KC_J,
    [0x6b] = KC_K,
    [0x6c] = KC_L,
 
    [0x3b] = KC_SEMICOLON,
    [0x27] = KC_QUOTE,
    [0x5c] = KC_BACKSLASH,
 
//  [0x2a] = KC_LSHIFT,
 
    [0x7a] = KC_Z,
    [0x78] = KC_X,
    [0x63] = KC_C,
    [0x76] = KC_V,
    [0x62] = KC_B,
    [0x6e] = KC_N,
    [0x6d] = KC_M,
 
    [0x2c] = KC_COMMA,
    [0x2e] = KC_PERIOD,
    [0x2f] = KC_SLASH,
 
//  [0x36] = KC_RSHIFT,
 
//  [0x1d] = KC_LCTRL,
//  [0x38] = KC_LALT,
    [0x20] = KC_SPACE,
 
    [0x1b] = KC_ESCAPE,
 
    [0x0a] = KC_ENTER,
    [0x0d] = KC_ENTER
 
/*
    [0x1] = KC_PRNSCR,
    [0x1] = KC_SCROLL_LOCK,
    [0x1] = KC_PAUSE,
*/
};
 
static int map_e1[] =
{
};
 
static int map_e1a[] =
{
    [0x50] = KC_F1,
    [0x51] = KC_F2,
    [0x52] = KC_F3,
    [0x53] = KC_F4,
};
 
static int map_e1b[] =
{
    [0x33] = KC_F5,
    [0x37] = KC_F6,
    [0x38] = KC_F7,
    [0x39] = KC_F8,
};
 
static int map_e1c[] =
{
    [0x38] = KC_F9,
    [0x39] = KC_F10,
    [0x33] = KC_F11,
    [0x34] = KC_F12,
};
 
 
static enum dec_state ds = ds_start;
 
void kbd_ctl_parse_scancode(int scancode)
{
    switch (ds) {
    case ds_start:  parse_ds_start(scancode); break;
    case ds_e:  parse_ds_e(scancode); break;
    case ds_e1: parse_ds_e1(scancode); break;
    case ds_e1a:    parse_ds_e1a(scancode); break;
    case ds_e1b:    parse_ds_e1b(scancode); break;
    case ds_e1c:    parse_ds_e1c(scancode); break;
    }
}
 
static void parse_ds_start(int scancode)
{
    if (scancode == 0x1b) {
        ds = ds_e;
        return;
    }
 
    parse_leaf(scancode, map_start, sizeof(map_start) / sizeof(int));
}
 
static void parse_ds_e(int scancode)
{
    switch (scancode) {
    case 0x5b: ds = ds_e1; return;
    case 0x1b: ds = ds_start; break;
    default: ds = ds_start; return;
    }
 
    kbd_push_ev(KE_PRESS, KC_ESCAPE);
}
 
static void parse_ds_e1(int scancode)
{
    switch (scancode) {
    case 0x4f: ds = ds_e1a; return;
    case 0x31: ds = ds_e1b; return;
    case 0x32: ds = ds_e1c; return;
    default: ds = ds_start; break;
    }
 
    parse_leaf(scancode, map_e1, sizeof(map_e1) / sizeof(int));
}
 
static void parse_ds_e1a(int scancode)
{
    parse_leaf(scancode, map_e1a, sizeof(map_e1a) / sizeof(int));
}
 
static void parse_ds_e1b(int scancode)
{
    parse_leaf(scancode, map_e1b, sizeof(map_e1b) / sizeof(int));
}
 
static void parse_ds_e1c(int scancode)
{
    parse_leaf(scancode, map_e1c, sizeof(map_e1c) / sizeof(int));
}
 
static void parse_leaf(int scancode, int *map, size_t map_length)
{
    unsigned int key;
 
    ds = ds_start;
 
    if (scancode < 0 || scancode >= map_length)
        return;
 
    key = map[scancode];
    if (key != 0)
        kbd_push_ev(KE_PRESS, key, 0);
}
 
 
/**
 * @}
 */
 

Rev 3924	Rev 3933
1	/*	1	/*
2	* Copyright (c) 2009 Jiri Svoboda	2	* Copyright (c) 2009 Jiri Svoboda
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup kbd_ctl	29	/** @addtogroup kbd_ctl
30	* @ingroup kbd	30	* @ingroup kbd
31	* @{	31	* @{
32	*/	32	*/
33	/**	33	/**
34	* @file	34	* @file
35	* @brief GXEmul framebuffer-mode keyboard controller driver.	35	* @brief GXEmul framebuffer-mode keyboard controller driver.
36	*/	36	*/
37		37
38	#include <kbd.h>	38	#include <kbd.h>
39	#include <kbd/kbd.h>	39	#include <kbd/kbd.h>
40	#include <kbd/keycode.h>	40	#include <kbd/keycode.h>
41	#include <kbd_ctl.h>	41	#include <kbd_ctl.h>
42		42
43	static void parse_ds_start(int scancode);	43	static void parse_ds_start(int scancode);
44	static void parse_ds_e(int scancode);	44	static void parse_ds_e(int scancode);
45	static void parse_ds_e1(int scancode);	45	static void parse_ds_e1(int scancode);
46	static void parse_ds_e1a(int scancode);	46	static void parse_ds_e1a(int scancode);
47	static void parse_ds_e1b(int scancode);	47	static void parse_ds_e1b(int scancode);
48	static void parse_ds_e1c(int scancode);	48	static void parse_ds_e1c(int scancode);
49		49
50	static void parse_leaf(int scancode, int *map, size_t map_length);	50	static void parse_leaf(int scancode, int *map, size_t map_length);
51		51
52	enum dec_state {	52	enum dec_state {
53	ds_start,	53	ds_start,
54	ds_e,	54	ds_e,
55	ds_e1,	55	ds_e1,
56	ds_e1a,	56	ds_e1a,
57	ds_e1b,	57	ds_e1b,
58	ds_e1c	58	ds_e1c
59	};	59	};
60		60
61	static int map_start[] = {	61	static int map_start[] = {
62		62
63	[0x60] = KC_BACKTICK,	63	[0x60] = KC_BACKTICK,
64		64
65	[0x31] = KC_1,	65	[0x31] = KC_1,
66	[0x32] = KC_2,	66	[0x32] = KC_2,
67	[0x33] = KC_3,	67	[0x33] = KC_3,
68	[0x34] = KC_4,	68	[0x34] = KC_4,
69	[0x35] = KC_5,	69	[0x35] = KC_5,
70	[0x36] = KC_6,	70	[0x36] = KC_6,
71	[0x37] = KC_7,	71	[0x37] = KC_7,
72	[0x38] = KC_8,	72	[0x38] = KC_8,
73	[0x39] = KC_9,	73	[0x39] = KC_9,
74	[0x30] = KC_0,	74	[0x30] = KC_0,
75		75
76	[0x2d] = KC_MINUS,	76	[0x2d] = KC_MINUS,
77	[0x3d] = KC_EQUALS,	77	[0x3d] = KC_EQUALS,
78	[0x08] = KC_BACKSPACE,	78	[0x08] = KC_BACKSPACE,
79		79
80	[0x0f] = KC_TAB,	80	[0x0f] = KC_TAB,
81		81
82	[0x71] = KC_Q,	82	[0x71] = KC_Q,
83	[0x77] = KC_W,	83	[0x77] = KC_W,
84	[0x65] = KC_E,	84	[0x65] = KC_E,
85	[0x72] = KC_R,	85	[0x72] = KC_R,
86	[0x74] = KC_T,	86	[0x74] = KC_T,
87	[0x79] = KC_Y,	87	[0x79] = KC_Y,
88	[0x75] = KC_U,	88	[0x75] = KC_U,
89	[0x69] = KC_I,	89	[0x69] = KC_I,
90	[0x6f] = KC_O,	90	[0x6f] = KC_O,
91	[0x70] = KC_P,	91	[0x70] = KC_P,
92		92
93	[0x5b] = KC_LBRACKET,	93	[0x5b] = KC_LBRACKET,
94	[0x5d] = KC_RBRACKET,	94	[0x5d] = KC_RBRACKET,
95		95
96	// [0x3a] = KC_CAPS_LOCK,	96	// [0x3a] = KC_CAPS_LOCK,
97		97
98	[0x61] = KC_A,	98	[0x61] = KC_A,
99	[0x73] = KC_S,	99	[0x73] = KC_S,
100	[0x64] = KC_D,	100	[0x64] = KC_D,
101	[0x66] = KC_F,	101	[0x66] = KC_F,
102	[0x67] = KC_G,	102	[0x67] = KC_G,
103	[0x68] = KC_H,	103	[0x68] = KC_H,
104	[0x6a] = KC_J,	104	[0x6a] = KC_J,
105	[0x6b] = KC_K,	105	[0x6b] = KC_K,
106	[0x6c] = KC_L,	106	[0x6c] = KC_L,
107		107
108	[0x3b] = KC_SEMICOLON,	108	[0x3b] = KC_SEMICOLON,
109	[0x27] = KC_QUOTE,	109	[0x27] = KC_QUOTE,
110	[0x5c] = KC_BACKSLASH,	110	[0x5c] = KC_BACKSLASH,
111		111
112	// [0x2a] = KC_LSHIFT,	112	// [0x2a] = KC_LSHIFT,
113		113
114	[0x7a] = KC_Z,	114	[0x7a] = KC_Z,
115	[0x78] = KC_X,	115	[0x78] = KC_X,
116	[0x63] = KC_C,	116	[0x63] = KC_C,
117	[0x76] = KC_V,	117	[0x76] = KC_V,
118	[0x62] = KC_B,	118	[0x62] = KC_B,
119	[0x6e] = KC_N,	119	[0x6e] = KC_N,
120	[0x6d] = KC_M,	120	[0x6d] = KC_M,
121		121
122	[0x2c] = KC_COMMA,	122	[0x2c] = KC_COMMA,
123	[0x2e] = KC_PERIOD,	123	[0x2e] = KC_PERIOD,
124	[0x2f] = KC_SLASH,	124	[0x2f] = KC_SLASH,
125		125
126	// [0x36] = KC_RSHIFT,	126	// [0x36] = KC_RSHIFT,
127		127
128	// [0x1d] = KC_LCTRL,	128	// [0x1d] = KC_LCTRL,
129	// [0x38] = KC_LALT,	129	// [0x38] = KC_LALT,
130	[0x20] = KC_SPACE,	130	[0x20] = KC_SPACE,
131		131
132	[0x1b] = KC_ESCAPE,	132	[0x1b] = KC_ESCAPE,
133		133
134	[0x0a] = KC_ENTER,	134	[0x0a] = KC_ENTER,
135	[0x0d] = KC_ENTER	135	[0x0d] = KC_ENTER
136		136
137	/*	137	/*
138	[0x1] = KC_PRNSCR,	138	[0x1] = KC_PRNSCR,
139	[0x1] = KC_SCROLL_LOCK,	139	[0x1] = KC_SCROLL_LOCK,
140	[0x1] = KC_PAUSE,	140	[0x1] = KC_PAUSE,
141	*/	141	*/
142	};	142	};
143		143
144	static int map_e1[] =	144	static int map_e1[] =
145	{	145	{
146	};	146	};
147		147
148	static int map_e1a[] =	148	static int map_e1a[] =
149	{	149	{
150	[0x50] = KC_F1,	150	[0x50] = KC_F1,
151	[0x51] = KC_F2,	151	[0x51] = KC_F2,
152	[0x52] = KC_F3,	152	[0x52] = KC_F3,
153	[0x53] = KC_F4,	153	[0x53] = KC_F4,
154	};	154	};
155		155
156	static int map_e1b[] =	156	static int map_e1b[] =
157	{	157	{
158	[0x33] = KC_F5,	158	[0x33] = KC_F5,
159	[0x37] = KC_F6,	159	[0x37] = KC_F6,
160	[0x38] = KC_F7,	160	[0x38] = KC_F7,
161	[0x39] = KC_F8,	161	[0x39] = KC_F8,
162	};	162	};
163		163
164	static int map_e1c[] =	164	static int map_e1c[] =
165	{	165	{
166	[0x38] = KC_F9,	166	[0x38] = KC_F9,
167	[0x39] = KC_F10,	167	[0x39] = KC_F10,
168	[0x33] = KC_F11,	168	[0x33] = KC_F11,
169	[0x34] = KC_F12,	169	[0x34] = KC_F12,
170	};	170	};
171		171
172		172
173	static enum dec_state ds = ds_start;	173	static enum dec_state ds = ds_start;
174		174
175	void kbd_ctl_parse_scancode(int scancode)	175	void kbd_ctl_parse_scancode(int scancode)
176	{	176	{
177	switch (ds) {	177	switch (ds) {
178	case ds_start: parse_ds_start(scancode); break;	178	case ds_start: parse_ds_start(scancode); break;
179	case ds_e: parse_ds_e(scancode); break;	179	case ds_e: parse_ds_e(scancode); break;
180	case ds_e1: parse_ds_e1(scancode); break;	180	case ds_e1: parse_ds_e1(scancode); break;
181	case ds_e1a: parse_ds_e1a(scancode); break;	181	case ds_e1a: parse_ds_e1a(scancode); break;
182	case ds_e1b: parse_ds_e1b(scancode); break;	182	case ds_e1b: parse_ds_e1b(scancode); break;
183	case ds_e1c: parse_ds_e1c(scancode); break;	183	case ds_e1c: parse_ds_e1c(scancode); break;
184	}	184	}
185	}	185	}
186		186
187	static void parse_ds_start(int scancode)	187	static void parse_ds_start(int scancode)
188	{	188	{
189	if (scancode == 0x1b) {	189	if (scancode == 0x1b) {
190	ds = ds_e;	190	ds = ds_e;
191	return;	191	return;
192	}	192	}
193		193
194	parse_leaf(scancode, map_start, sizeof(map_start) / sizeof(int));	194	parse_leaf(scancode, map_start, sizeof(map_start) / sizeof(int));
195	}	195	}
196		196
197	static void parse_ds_e(int scancode)	197	static void parse_ds_e(int scancode)
198	{	198	{
199	switch (scancode) {	199	switch (scancode) {
200	case 0x5b: ds = ds_e1; return;	200	case 0x5b: ds = ds_e1; return;
201	case 0x1b: ds = ds_start; break;	201	case 0x1b: ds = ds_start; break;
202	default: ds = ds_start; return;	202	default: ds = ds_start; return;
203	}	203	}
204		204
205	kbd_push_ev(KE_PRESS, KC_ESCAPE, 0);	205	kbd_push_ev(KE_PRESS, KC_ESCAPE);
206	}	206	}
207		207
208	static void parse_ds_e1(int scancode)	208	static void parse_ds_e1(int scancode)
209	{	209	{
210	switch (scancode) {	210	switch (scancode) {
211	case 0x4f: ds = ds_e1a; return;	211	case 0x4f: ds = ds_e1a; return;
212	case 0x31: ds = ds_e1b; return;	212	case 0x31: ds = ds_e1b; return;
213	case 0x32: ds = ds_e1c; return;	213	case 0x32: ds = ds_e1c; return;
214	default: ds = ds_start; break;	214	default: ds = ds_start; break;
215	}	215	}
216		216
217	parse_leaf(scancode, map_e1, sizeof(map_e1) / sizeof(int));	217	parse_leaf(scancode, map_e1, sizeof(map_e1) / sizeof(int));
218	}	218	}
219		219
220	static void parse_ds_e1a(int scancode)	220	static void parse_ds_e1a(int scancode)
221	{	221	{
222	parse_leaf(scancode, map_e1a, sizeof(map_e1a) / sizeof(int));	222	parse_leaf(scancode, map_e1a, sizeof(map_e1a) / sizeof(int));
223	}	223	}
224		224
225	static void parse_ds_e1b(int scancode)	225	static void parse_ds_e1b(int scancode)
226	{	226	{
227	parse_leaf(scancode, map_e1b, sizeof(map_e1b) / sizeof(int));	227	parse_leaf(scancode, map_e1b, sizeof(map_e1b) / sizeof(int));
228	}	228	}
229		229
230	static void parse_ds_e1c(int scancode)	230	static void parse_ds_e1c(int scancode)
231	{	231	{
232	parse_leaf(scancode, map_e1c, sizeof(map_e1c) / sizeof(int));	232	parse_leaf(scancode, map_e1c, sizeof(map_e1c) / sizeof(int));
233	}	233	}
234		234
235	static void parse_leaf(int scancode, int *map, size_t map_length)	235	static void parse_leaf(int scancode, int *map, size_t map_length)
236	{	236	{
237	unsigned int key;	237	unsigned int key;
238		238
239	ds = ds_start;	239	ds = ds_start;
240		240
241	if (scancode < 0 \|\| scancode >= map_length)	241	if (scancode < 0 \|\| scancode >= map_length)
242	return;	242	return;
243		243
244	key = map[scancode];	244	key = map[scancode];
245	if (key != 0)	245	if (key != 0)
246	kbd_push_ev(KE_PRESS, key, 0);	246	kbd_push_ev(KE_PRESS, key, 0);
247	}	247	}
248		248
249		249
250	/**	250	/**
251	* @}	251	* @}
252	*/	252	*/
253		253

Subversion Repositories HelenOS

(root)/trunk/uspace/srv/kbd/ctl/gxe_fb.c – Rev 3924 → 3933