bool cbm_crt_read_data(core_file* file, UINT8 *roml, UINT8 *romh)
{
offs_t roml_offset = 0;
offs_t romh_offset = 0;
core_fseek(file, CRT_HEADER_LENGTH, SEEK_SET);
while (!core_feof(file))
{
cbm_crt_chip chip;
core_fread(file, &chip, CRT_CHIP_LENGTH);
UINT16 address = pick_integer_be(chip.start_address, 0, 2);
UINT16 size = pick_integer_be(chip.image_size, 0, 2);
switch (address)
{
case 0x8000: core_fread(file, roml + roml_offset, size); roml_offset += size; break;
case 0xa000: core_fread(file, romh + romh_offset, size); romh_offset += size; break;
case 0xe000: core_fread(file, romh + romh_offset, size); romh_offset += size; break;
}
}
return true;
}
bool cbm_crt_read_data(util::core_file &file, UINT8 *roml, UINT8 *romh)
{
UINT32 roml_offset = 0;
UINT32 romh_offset = 0;
file.seek(CRT_HEADER_LENGTH, SEEK_SET);
while (!file.eof())
{
cbm_crt_chip chip;
file.read(&chip, CRT_CHIP_LENGTH);
UINT16 address = pick_integer_be(chip.start_address, 0, 2);
UINT16 size = pick_integer_be(chip.image_size, 0, 2);
switch (address)
{
case 0x8000: file.read(roml + roml_offset, size); roml_offset += size; break;
case 0xa000: file.read(romh + romh_offset, size); romh_offset += size; break;
case 0xe000: file.read(romh + romh_offset, size); romh_offset += size; break;
}
}
return true;
}
bool cbm_crt_read_header(core_file* file, size_t *roml_size, size_t *romh_size, int *exrom, int *game)
{
// read the header
cbm_crt_header header;
core_fread(file, &header, CRT_HEADER_LENGTH);
if (memcmp(header.signature, CRT_SIGNATURE, 16) != 0)
return false;
UINT16 hardware = pick_integer_be(header.hardware, 0, 2);
*exrom = header.exrom;
*game = header.game;
if (LOG)
{
logerror("Name: %s\n", header.name);
logerror("Hardware: %04x\n", hardware);
logerror("Slot device: %s\n", CRT_C64_SLOT_NAMES[hardware]);
logerror("EXROM: %u\n", header.exrom);
logerror("GAME: %u\n", header.game);
}
// determine ROM region lengths
while (!core_feof(file))
{
cbm_crt_chip chip;
core_fread(file, &chip, CRT_CHIP_LENGTH);
UINT16 address = pick_integer_be(chip.start_address, 0, 2);
UINT16 size = pick_integer_be(chip.image_size, 0, 2);
UINT16 type = pick_integer_be(chip.chip_type, 0, 2);
if (LOG)
{
logerror("CHIP Address: %04x\n", address);
logerror("CHIP Size: %04x\n", size);
logerror("CHIP Type: %04x\n", type);
}
switch (address)
{
case 0x8000:
*roml_size += size;
break;
case 0xa000:
*romh_size += size;
break;
case 0xe000:
*romh_size += size;
break;
default:
logerror("Invalid CHIP loading address!\n");
break;
}
core_fseek(file, size, SEEK_CUR);
}
return true;
}
static int os9_interpret_dirent(void *entry, char **filename, UINT32 *lsn, int *corrupt)
{
int i;
char *entry_b = (char *) entry;
*filename = NULL;
*lsn = 0;
if (corrupt)
*corrupt = FALSE;
if (entry_b[28] != '\0')
{
if (corrupt)
*corrupt = TRUE;
}
for (i = 0; (i < 28) && !(entry_b[i] & 0x80); i++)
;
entry_b[i] &= 0x7F;
entry_b[i+1] = '\0';
*lsn = pick_integer_be(entry, 29, 3);
if (strcmp(entry_b, ".") && strcmp(entry_b, ".."))
*filename = entry_b;
return *filename != NULL;
}
const char * cbm_crt_get_card(core_file *file)
{
// read the header
cbm_crt_header header;
core_fread(file, &header, CRT_HEADER_LENGTH);
if (memcmp(header.signature, CRT_SIGNATURE, 16) == 0)
{
UINT16 hardware = pick_integer_be(header.hardware, 0, 2);
return CRT_C64_SLOT_NAMES[hardware];
}
return NULL;
}
std::string cbm_crt_get_card(util::core_file &file)
{
// read the header
cbm_crt_header header;
file.read(&header, CRT_HEADER_LENGTH);
if (memcmp(header.signature, CRT_SIGNATURE, 16) == 0)
{
UINT16 hardware = pick_integer_be(header.hardware, 0, 2);
return std::string(CRT_C64_SLOT_NAMES[hardware]);
}
return std::string();
}
void cbm_crt_get_card(astring &result, core_file *file)
{
// read the header
cbm_crt_header header;
core_fread(file, &header, CRT_HEADER_LENGTH);
if (memcmp(header.signature, CRT_SIGNATURE, 16) == 0)
{
UINT16 hardware = pick_integer_be(header.hardware, 0, 2);
result.cpy(CRT_C64_SLOT_NAMES[hardware]);
return;
}
result.reset();
}
static UINT32 identify_attribute(struct imgtooltest_state *state, xml_data_node *node, imgtool_attribute *value)
{
xml_attribute_node *attr_node;
UINT32 attribute;
attr_node = xml_get_attribute(node, "name");
if (!attr_node)
{
state->m_failed = 1;
error_missingattribute("name");
return 0;
}
if (!strcmp(attr_node->value, "mac_file_type"))
attribute = IMGTOOLATTR_INT_MAC_TYPE;
else if (!strcmp(attr_node->value, "mac_file_creator"))
attribute = IMGTOOLATTR_INT_MAC_CREATOR;
else
{
error_missingattribute("name");
return 0;
}
attr_node = xml_get_attribute(node, "value");
if (!attr_node)
{
state->m_failed = 1;
error_missingattribute("value");
return 0;
}
switch(attribute)
{
case IMGTOOLATTR_INT_MAC_TYPE:
case IMGTOOLATTR_INT_MAC_CREATOR:
if (strlen(attr_node->value) != 4)
{
state->m_failed = 1;
error_missingattribute("value");
return 0;
}
value->i = pick_integer_be(attr_node->value, 0, 4);
break;
}
return attribute;
}
static imgtoolerr_t os9_decode_file_header(imgtool_image *image,
int lsn, struct os9_fileinfo *info)
{
imgtoolerr_t err;
UINT32 attributes, count;
int max_entries, i;
const os9_diskinfo *disk_info;
UINT8 header[256];
disk_info = os9_get_diskinfo(image);
err = os9_read_lsn(image, lsn, 0, header, sizeof(header));
if (err)
return err;
info->lsn = lsn;
attributes = pick_integer_be(header, 0, 1);
info->owner_id = pick_integer_be(header, 1, 2);
info->link_count = pick_integer_be(header, 8, 1);
info->file_size = pick_integer_be(header, 9, 4);
info->directory = (attributes & 0x80) ? 1 : 0;
info->non_sharable = (attributes & 0x40) ? 1 : 0;
info->public_execute = (attributes & 0x20) ? 1 : 0;
info->public_write = (attributes & 0x10) ? 1 : 0;
info->public_read = (attributes & 0x08) ? 1 : 0;
info->user_execute = (attributes & 0x04) ? 1 : 0;
info->user_write = (attributes & 0x02) ? 1 : 0;
info->user_read = (attributes & 0x01) ? 1 : 0;
if (info->directory && (info->file_size % 32 != 0))
return IMGTOOLERR_CORRUPTIMAGE;
/* read all sector map entries */
max_entries = (disk_info->sector_size - 16) / 5;
max_entries = MIN(max_entries, ARRAY_LENGTH(info->sector_map) - 1);
for (i = 0; i < max_entries; i++)
{
lsn = pick_integer_be(header, 16 + (i * 5) + 0, 3);
count = pick_integer_be(header, 16 + (i * 5) + 3, 2);
if (count <= 0)
break;
info->sector_map[i].lsn = lsn;
info->sector_map[i].count = count;
}
info->sector_map[i].lsn = 0;
info->sector_map[i].count = 0;
return IMGTOOLERR_SUCCESS;
}
static imgtoolerr_t os9_diskimage_nextenum(imgtool_directory *enumeration, imgtool_dirent *ent)
{
struct os9_direnum *os9enum;
UINT32 lsn, index;
imgtoolerr_t err;
UINT8 dir_entry[32];
char filename[29];
struct os9_fileinfo file_info;
imgtool_image *image;
image = imgtool_directory_image(enumeration);
os9enum = os9_get_dirinfo(enumeration);
do
{
/* check for EOF */
if (os9enum->index >= os9enum->dir_info.file_size)
{
ent->eof = 1;
return IMGTOOLERR_SUCCESS;
}
/* locate the LSN and offset for this directory entry */
index = os9enum->index;
lsn = os9_lookup_lsn(image, &os9enum->dir_info, &index);
/* read the directory entry out of the lSN */
err = os9_read_lsn(image, lsn, index, dir_entry, sizeof(dir_entry));
if (err)
return err;
if (dir_entry[0])
{
/* read the file or directory name */
pick_string(dir_entry, 0, 28, filename);
/* we have certain expectations of the directory contents; the
* first directory entry should be "..", the second ".", and
* subsequent entries should never be "." or ".." */
switch(os9enum->index)
{
case 0:
if (strcmp(filename, ".."))
imgtool_warn("First entry in directory should be \"..\" and not \"%s\"", filename);
break;
case 32:
if (strcmp(filename, "."))
imgtool_warn("Second entry in directory should be \".\" and not \"%s\"", filename);
break;
default:
if (!strcmp(filename, ".") || !strcmp(filename, ".."))
imgtool_warn("Directory entry %d should not be \"%s\"", index / 32, filename);
break;
}
/* if the filename is ".", the file should point to the current directory */
if (!strcmp(filename, ".") && (pick_integer_be(dir_entry, 29, 3) != os9enum->dir_info.lsn))
{
imgtool_warn("Directory \".\" does not point back to same directory");
}
}
else
{
/* no more directory entries */
filename[0] = '\0';
}
/* move on to the next directory entry */
os9enum->index += 32;
}
while(!filename[0] || !strcmp(filename, ".") || !strcmp(filename, ".."));
/* read file attributes */
lsn = pick_integer_be(dir_entry, 29, 3);
err = os9_decode_file_header(imgtool_directory_image(enumeration), lsn, &file_info);
if (err)
return err;
/* fill out imgtool_dirent structure */
snprintf(ent->filename, ARRAY_LENGTH(ent->filename), "%s", filename);
snprintf(ent->attr, ARRAY_LENGTH(ent->attr), "%c%c%c%c%c%c%c%c",
file_info.directory ? 'd' : '-',
file_info.non_sharable ? 's' : '-',
file_info.public_execute ? 'x' : '-',
file_info.public_write ? 'w' : '-',
file_info.public_read ? 'r' : '-',
file_info.user_execute ? 'x' : '-',
file_info.user_write ? 'w' : '-',
file_info.user_read ? 'r' : '-');
ent->directory = file_info.directory;
ent->corrupt = (dir_entry[28] != 0);
ent->filesize = file_info.file_size;
return IMGTOOLERR_SUCCESS;
}
static imgtoolerr_t os9_diskimage_open(imgtool_image *image, imgtool_stream *stream)
{
imgtoolerr_t err;
floperr_t ferr;
os9_diskinfo *info;
UINT32 track_size_in_sectors, i; //, attributes;
UINT8 header[256];
UINT32 allocation_bitmap_lsns;
UINT8 b, mask;
info = os9_get_diskinfo(image);
ferr = floppy_read_sector(imgtool_floppy(image), 0, 0, 1, 0, header, sizeof(header));
if (ferr)
return imgtool_floppy_error(ferr);
info->total_sectors = pick_integer_be(header, 0, 3);
track_size_in_sectors = pick_integer_be(header, 3, 1);
info->allocation_bitmap_bytes = pick_integer_be(header, 4, 2);
info->cluster_size = pick_integer_be(header, 6, 2);
info->root_dir_lsn = pick_integer_be(header, 8, 3);
info->owner_id = pick_integer_be(header, 11, 2);
// attributes =
pick_integer_be(header, 13, 1);
info->disk_id = pick_integer_be(header, 14, 2);
info->format_flags = pick_integer_be(header, 16, 1);
info->sectors_per_track = pick_integer_be(header, 17, 2);
info->bootstrap_lsn = pick_integer_be(header, 21, 3);
info->bootstrap_size = pick_integer_be(header, 24, 2);
info->sector_size = pick_integer_be(header, 104, 2);
info->sides = (info->format_flags & 0x01) ? 2 : 1;
info->double_density = (info->format_flags & 0x02) ? 1 : 0;
info->double_track = (info->format_flags & 0x04) ? 1 : 0;
info->quad_track_density = (info->format_flags & 0x08) ? 1 : 0;
info->octal_track_density = (info->format_flags & 0x10) ? 1 : 0;
pick_string(header, 31, 32, info->name);
if (info->sector_size == 0)
info->sector_size = 256;
/* does the root directory and allocation bitmap collide? */
allocation_bitmap_lsns = (info->allocation_bitmap_bytes + info->sector_size - 1) / info->sector_size;
if (1 + allocation_bitmap_lsns > info->root_dir_lsn)
return IMGTOOLERR_CORRUPTIMAGE;
/* is the allocation bitmap too big? */
info->allocation_bitmap = (UINT8*)imgtool_image_malloc(image, info->allocation_bitmap_bytes);
if (!info->allocation_bitmap)
return IMGTOOLERR_OUTOFMEMORY;
memset(info->allocation_bitmap, 0, info->allocation_bitmap_bytes);
/* sectors per track and track size don't jive? */
if (info->sectors_per_track != track_size_in_sectors)
return IMGTOOLERR_CORRUPTIMAGE;
/* zero sectors per track? */
if (info->sectors_per_track == 0)
return IMGTOOLERR_CORRUPTIMAGE;
/* do we have an odd number of sectors? */
if (info->total_sectors % info->sectors_per_track)
return IMGTOOLERR_CORRUPTIMAGE;
/* read the allocation bitmap */
for (i = 0; i < allocation_bitmap_lsns; i++)
{
err = os9_read_lsn(image, 1 + i, 0, &info->allocation_bitmap[i * info->sector_size],
MIN(info->allocation_bitmap_bytes - (i * info->sector_size), info->sector_size));
if (err)
return err;
}
/* check to make sure that the allocation bitmap and root sector are reserved */
for (i = 0; i <= allocation_bitmap_lsns; i++)
{
b = info->allocation_bitmap[i / 8];
mask = 1 << (7 - (i % 8));
if ((b & mask) == 0)
return IMGTOOLERR_CORRUPTIMAGE;
}
return IMGTOOLERR_SUCCESS;
}
static imgtoolerr_t macbinary_writefile(imgtool_partition *partition, const char *filename, const char *fork, imgtool_stream *sourcef, option_resolution *opts)
{
static const UINT32 attrs[] =
{
IMGTOOLATTR_TIME_CREATED,
IMGTOOLATTR_TIME_LASTMODIFIED,
IMGTOOLATTR_INT_MAC_TYPE,
IMGTOOLATTR_INT_MAC_CREATOR,
IMGTOOLATTR_INT_MAC_FINDERFLAGS,
IMGTOOLATTR_INT_MAC_COORDX,
IMGTOOLATTR_INT_MAC_COORDY,
IMGTOOLATTR_INT_MAC_FINDERFOLDER,
IMGTOOLATTR_INT_MAC_SCRIPTCODE,
IMGTOOLATTR_INT_MAC_EXTENDEDFLAGS,
0
};
imgtoolerr_t err;
imgtool_image *image = imgtool_partition_image(partition);
UINT8 header[128];
UINT32 datafork_size;
UINT32 resourcefork_size;
UINT64 total_size;
UINT32 creation_time;
UINT32 lastmodified_time;
//int version;
imgtool_attribute attr_values[10];
UINT32 type_code;
UINT32 creator_code;
UINT16 finder_flags;
UINT16 coord_x;
UINT16 coord_y;
UINT16 finder_folder;
UINT8 script_code = 0;
UINT8 extended_flags = 0;
/* read in the header */
memset(header, 0, sizeof(header));
stream_read(sourcef, header, sizeof(header));
/* check magic and zero fill bytes */
if (header[0] != 0x00)
return IMGTOOLERR_CORRUPTFILE;
if (header[74] != 0x00)
return IMGTOOLERR_CORRUPTFILE;
if (header[82] != 0x00)
return IMGTOOLERR_CORRUPTFILE;
datafork_size = pick_integer_be(header, 83, 4);
resourcefork_size = pick_integer_be(header, 87, 4);
total_size = stream_size(sourcef);
/* size of a MacBinary header is always 128 bytes */
if (total_size - pad128(datafork_size) - pad128(resourcefork_size) != 128)
return IMGTOOLERR_CORRUPTFILE;
/* check filename length byte */
if ((header[1] <= 0x00) || (header[1] > 0x3F))
return IMGTOOLERR_CORRUPTFILE;
/* check the CRC */
if (pick_integer_be(header, 124, 2) != ccitt_crc16(0, header, 124))
{
/* the CRC does not match; this file is MacBinary I */
//version = 1;
}
else if (pick_integer_be(header, 102, 4) != 0x6D42494E)
{
/* did not see 'mBIN'; this file is MacBinary II */
if (header[122] < 0x81)
return IMGTOOLERR_CORRUPTFILE;
if (header[123] < 0x81)
return IMGTOOLERR_CORRUPTFILE;
//version = 2;
}
else
{
/* we did see 'mBIN'; this file is MacBinary III */
if (header[122] < 0x82)
return IMGTOOLERR_CORRUPTFILE;
if (header[123] < 0x81)
return IMGTOOLERR_CORRUPTFILE;
//version = 3;
}
type_code = pick_integer_be(header, 65, 4);
creator_code = pick_integer_be(header, 69, 4);
finder_flags = pick_integer_be(header, 73, 1) << 8;
coord_x = pick_integer_be(header, 75, 2);
coord_y = pick_integer_be(header, 77, 2);
finder_folder = pick_integer_be(header, 79, 2);
creation_time = pick_integer_be(header, 91, 4);
lastmodified_time = pick_integer_be(header, 95, 4);
if (image)
{
/* write out both forks */
err = write_fork(partition, filename, "", sourcef, sizeof(header), datafork_size, opts);
if (err)
return err;
err = write_fork(partition, filename, "RESOURCE_FORK", sourcef, sizeof(header) + pad128(datafork_size), resourcefork_size, opts);
if (err)
return err;
/* set up attributes */
attr_values[0].t = mac_crack_time(creation_time);
attr_values[1].t = mac_crack_time(lastmodified_time);
attr_values[2].i = type_code;
attr_values[3].i = creator_code;
attr_values[4].i = finder_flags;
attr_values[5].i = coord_x;
attr_values[6].i = coord_y;
attr_values[7].i = finder_folder;
attr_values[8].i = script_code;
attr_values[9].i = extended_flags;
err = imgtool_partition_put_file_attributes(partition, filename, attrs, attr_values);
if (err)
return err;
}
return IMGTOOLERR_SUCCESS;
}