Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-24 14:56:21 +03:00
Code Issues Actions 7 Packages Projects Releases Wiki Activity

Imported image related utils from MESS into /lib/util [Miodrag Milanovic]

Browse Source
This commit is contained in:
Miodrag Milanovic 2010-07-05 10:19:05 +00:00
parent 66a88c930f
commit c14878e59a
5 changed files with 433 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
.gitattributes vendored
View File

@ -1168,6 +1168,8 @@ src/lib/util/harddisk.c svneol=native#text/plain
src/lib/util/harddisk.h svneol=native#text/plain
src/lib/util/huffman.c svneol=native#text/plain
src/lib/util/huffman.h svneol=native#text/plain
src/lib/util/imageutl.c svneol=native#text/plain
src/lib/util/imageutl.h svneol=native#text/plain
src/lib/util/jedparse.c svneol=native#text/plain
src/lib/util/jedparse.h svneol=native#text/plain
src/lib/util/md5.c svneol=native#text/plain

1
src/emu/sound/wave.c
View File

@ -17,7 +17,6 @@
#include "streams.h"
#ifdef MESS
#include "messdrv.h"
#include "utils.h"
#include "devices/cassette.h"
#endif
#include "wave.h"

1
src/lib/lib.mak
View File

@ -37,6 +37,7 @@ UTILOBJS = \
$(LIBOBJ)/util/coreutil.o \
$(LIBOBJ)/util/harddisk.o \
$(LIBOBJ)/util/huffman.o \
$(LIBOBJ)/util/imageutl.o \
$(LIBOBJ)/util/jedparse.o \
$(LIBOBJ)/util/md5.o \
$(LIBOBJ)/util/opresolv.o \

223
src/lib/util/imageutl.c Normal file
View File

@ -0,0 +1,223 @@
/***************************************************************************
imageutl.h
Image related utilities
****************************************************************************
Copyright Aaron Giles
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.
* Neither the name 'MAME' 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 AARON GILES ''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 AARON GILES 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 <ctype.h>
#include "imageutl.h"
int compute_log2(int val)
{
int count = 0;
while(val > 1)
{
if (val & 1)
return -1;
val /= 2;
count++;
}
return (val == 0) ? -1 : count;
}
/*
Compute CCITT CRC-16 using the correct bit order for floppy disks.
CRC code courtesy of Tim Mann.
*/
/* Accelerator table to compute the CRC eight bits at a time */
static const unsigned short ccitt_crc16_table[256] =
{
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
};
unsigned short ccitt_crc16(unsigned short crc, const unsigned char *buffer, size_t buffer_len)
{
size_t i;
for (i = 0; i < buffer_len; i++)
crc = (crc << 8) ^ ccitt_crc16_table[(crc >> 8) ^ buffer[i]];
return crc;
}
unsigned short ccitt_crc16_one( unsigned short crc, const unsigned char data )
{
return (crc << 8) ^ ccitt_crc16_table[(crc >> 8) ^ data];
}
/*-------------------------------------------------
is_delim - returns whether c is a comma or \0
-------------------------------------------------*/
static int is_delim(char c)
{
return (c == '\0') || (c == ',');
}
/*-------------------------------------------------
image_internal_find_extension - find an extension in
an extension list
-------------------------------------------------*/
static int image_internal_find_extension(const char *extension_list, const char *target_extension)
{
/* this version allows target_extension to be delimited with a comma */
int pos = 0;
int i;
while(extension_list[pos] != '\0')
{
/* compare a file extension */
i = 0;
while(!is_delim(extension_list[pos + i])
&& !is_delim(target_extension[i])
&& (tolower(extension_list[pos + i]) == tolower(target_extension[i])))
{
i++;
}
/* check to see if it was found */
if (is_delim(extension_list[pos + i]) && is_delim(target_extension[i]))
return TRUE;
/* move to next position in the buffer */
pos += i;
while(!is_delim(extension_list[pos]))
pos++;
while(extension_list[pos] == ',')
pos++;
}
/* not found */
return FALSE;
}
/*-------------------------------------------------
image_find_extension - find an extension in an extension
list
-------------------------------------------------*/
int image_find_extension(const char *extension_list, const char *target_extension)
{
/* the internal function allows something that we do not */
if (strchr(target_extension, ','))
return FALSE;
/* special case to allow ext to be in the form '.EXT' */
if (*target_extension == '.')
target_extension++;
/* do the actual work */
return image_internal_find_extension(extension_list, target_extension);
}
/*-------------------------------------------------
image_specify_extension - merge a comma-delimited
list of file extensions onto an existing list
-------------------------------------------------*/
void image_specify_extension(char *buffer, size_t buffer_len, const char *extension)
{
int extension_pos = 0;
int len;
int found;
/* determine the length of the buffer */
len = strlen(buffer);
/* be aware that extension can be NULL */
if (extension != NULL)
{
while(extension[extension_pos] != '\0')
{
/* try to find the file extension */
found = image_internal_find_extension(buffer, &extension[extension_pos]);
/* append a delimiter if we have to */
if (!found && (len > 0))
len += snprintf(&buffer[len], buffer_len - len, ",");
/* move to the next extension, appending the extension if not found */
while(!is_delim(extension[extension_pos]))
{
if (!found)
len += snprintf(&buffer[len], buffer_len - len, "%c", extension[extension_pos]);
extension_pos++;
}
while(extension[extension_pos] == ',')
extension_pos++;
}
}
}

207
src/lib/util/imageutl.h Normal file
View File

@ -0,0 +1,207 @@
/***************************************************************************
imageutl.h
Image related utilities
****************************************************************************
Copyright Aaron Giles
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.
* Neither the name 'MAME' 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 AARON GILES ''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 AARON GILES 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.
***************************************************************************/
#pragma once
#ifndef __IMAGEUTL_H__
#define __IMAGEUTL_H__
#include "osdcore.h"
/* -----------------------------------------------------------------------
* CRC stuff
* ----------------------------------------------------------------------- */
unsigned short ccitt_crc16(unsigned short crc, const unsigned char *buffer, size_t buffer_len);
unsigned short ccitt_crc16_one( unsigned short crc, const unsigned char data );
/* -----------------------------------------------------------------------
* Alignment-friendly integer placement
* ----------------------------------------------------------------------- */
INLINE void place_integer_be(void *ptr, size_t offset, size_t size, UINT64 value)
{
UINT8 *byte_ptr = ((UINT8 *) ptr) + offset;
UINT16 val16;
UINT32 val32;
switch(size)
{
case 2:
val16 = BIG_ENDIANIZE_INT16((UINT16) value);
memcpy(byte_ptr, &val16, sizeof(val16));
break;
case 4:
val32 = BIG_ENDIANIZE_INT32((UINT32) value);
memcpy(byte_ptr, &val32, sizeof(val32));
break;
default:
if (size >= 1) byte_ptr[0] = (UINT8) (value >> ((size - 1) * 8));
if (size >= 2) byte_ptr[1] = (UINT8) (value >> ((size - 2) * 8));
if (size >= 3) byte_ptr[2] = (UINT8) (value >> ((size - 3) * 8));
if (size >= 4) byte_ptr[3] = (UINT8) (value >> ((size - 4) * 8));
if (size >= 5) byte_ptr[4] = (UINT8) (value >> ((size - 5) * 8));
if (size >= 6) byte_ptr[5] = (UINT8) (value >> ((size - 6) * 8));
if (size >= 7) byte_ptr[6] = (UINT8) (value >> ((size - 7) * 8));
if (size >= 8) byte_ptr[7] = (UINT8) (value >> ((size - 8) * 8));
break;
}
}
INLINE UINT64 pick_integer_be(const void *ptr, size_t offset, size_t size)
{
UINT64 result = 0;
const UINT8 *byte_ptr = ((const UINT8 *) ptr) + offset;
UINT16 val16;
UINT32 val32;
switch(size)
{
case 1:
result = *byte_ptr;
break;
case 2:
memcpy(&val16, byte_ptr, sizeof(val16));
result = BIG_ENDIANIZE_INT16(val16);
break;
case 4:
memcpy(&val32, byte_ptr, sizeof(val32));
result = BIG_ENDIANIZE_INT32(val32);
break;
default:
if (size >= 1) result |= ((UINT64) byte_ptr[0]) << ((size - 1) * 8);
if (size >= 2) result |= ((UINT64) byte_ptr[1]) << ((size - 2) * 8);
if (size >= 3) result |= ((UINT64) byte_ptr[2]) << ((size - 3) * 8);
if (size >= 4) result |= ((UINT64) byte_ptr[3]) << ((size - 4) * 8);
if (size >= 5) result |= ((UINT64) byte_ptr[4]) << ((size - 5) * 8);
if (size >= 6) result |= ((UINT64) byte_ptr[5]) << ((size - 6) * 8);
if (size >= 7) result |= ((UINT64) byte_ptr[6]) << ((size - 7) * 8);
if (size >= 8) result |= ((UINT64) byte_ptr[7]) << ((size - 8) * 8);
break;
}
return result;
}
INLINE void place_integer_le(void *ptr, size_t offset, size_t size, UINT64 value)
{
UINT8 *byte_ptr = ((UINT8 *) ptr) + offset;
UINT16 val16;
UINT32 val32;
switch(size)
{
case 2:
val16 = LITTLE_ENDIANIZE_INT16((UINT16) value);
memcpy(byte_ptr, &val16, sizeof(val16));
break;
case 4:
val32 = LITTLE_ENDIANIZE_INT32((UINT32) value);
memcpy(byte_ptr, &val32, sizeof(val32));
break;
default:
if (size >= 1) byte_ptr[0] = (UINT8) (value >> (0 * 8));
if (size >= 2) byte_ptr[1] = (UINT8) (value >> (1 * 8));
if (size >= 3) byte_ptr[2] = (UINT8) (value >> (2 * 8));
if (size >= 4) byte_ptr[3] = (UINT8) (value >> (3 * 8));
if (size >= 5) byte_ptr[4] = (UINT8) (value >> (4 * 8));
if (size >= 6) byte_ptr[5] = (UINT8) (value >> (5 * 8));
if (size >= 7) byte_ptr[6] = (UINT8) (value >> (6 * 8));
if (size >= 8) byte_ptr[7] = (UINT8) (value >> (7 * 8));
break;
}
}
INLINE UINT64 pick_integer_le(const void *ptr, size_t offset, size_t size)
{
UINT64 result = 0;
const UINT8 *byte_ptr = ((const UINT8 *) ptr) + offset;
UINT16 val16;
UINT32 val32;
switch(size)
{
case 1:
result = *byte_ptr;
break;
case 2:
memcpy(&val16, byte_ptr, sizeof(val16));
result = LITTLE_ENDIANIZE_INT16(val16);
break;
case 4:
memcpy(&val32, byte_ptr, sizeof(val32));
result = LITTLE_ENDIANIZE_INT32(val32);
break;
default:
if (size >= 1) result |= ((UINT64) byte_ptr[0]) << (0 * 8);
if (size >= 2) result |= ((UINT64) byte_ptr[1]) << (1 * 8);
if (size >= 3) result |= ((UINT64) byte_ptr[2]) << (2 * 8);
if (size >= 4) result |= ((UINT64) byte_ptr[3]) << (3 * 8);
if (size >= 5) result |= ((UINT64) byte_ptr[4]) << (4 * 8);
if (size >= 6) result |= ((UINT64) byte_ptr[5]) << (5 * 8);
if (size >= 7) result |= ((UINT64) byte_ptr[6]) << (6 * 8);
if (size >= 8) result |= ((UINT64) byte_ptr[7]) << (7 * 8);
break;
}
return result;
}
/* -----------------------------------------------------------------------
* Miscellaneous
* ----------------------------------------------------------------------- */
/* miscellaneous functions */
int compute_log2(int val);
/* -----------------------------------------------------------------------
* Extension list handling
* ----------------------------------------------------------------------- */
int image_find_extension(const char *extensions, const char *ext);
void image_specify_extension(char *buffer, size_t buffer_len, const char *extension);
#endif /* __IMAGEUTL_H__ */