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Diffstat (limited to 'src/devices/imagedev/diablo.cpp')
-rw-r--r--src/devices/imagedev/diablo.cpp25
1 files changed, 11 insertions, 14 deletions
diff --git a/src/devices/imagedev/diablo.cpp b/src/devices/imagedev/diablo.cpp
index 5e8162ce842..f7da6fa26cb 100644
--- a/src/devices/imagedev/diablo.cpp
+++ b/src/devices/imagedev/diablo.cpp
@@ -110,35 +110,32 @@ image_init_result diablo_image_device::call_load()
image_init_result diablo_image_device::call_create(int create_format, util::option_resolution *create_args)
{
int err;
- uint32_t sectorsize, hunksize;
- uint32_t cylinders, heads, sectors, totalsectors;
- assert_always(create_args != nullptr, "Expected create_args to not be nullptr");
- cylinders = create_args->lookup_int('C');
- heads = create_args->lookup_int('H');
- sectors = create_args->lookup_int('S');
- sectorsize = create_args->lookup_int('L') * sizeof(uint16_t);
- hunksize = create_args->lookup_int('K');
+ if (!create_args)
+ throw emu_fatalerror("diablo_image_device::call_create: Expected create_args to not be nullptr");
- totalsectors = cylinders * heads * sectors;
+ const uint32_t cylinders = create_args->lookup_int('C');
+ const uint32_t heads = create_args->lookup_int('H');
+ const uint32_t sectors = create_args->lookup_int('S');
+ const uint32_t sectorsize = create_args->lookup_int('L') * sizeof(uint16_t);
+ const uint32_t hunksize = create_args->lookup_int('K');
+
+ const uint32_t totalsectors = cylinders * heads * sectors;
/* create the CHD file */
chd_codec_type compression[4] = { CHD_CODEC_NONE };
err = m_origchd.create(image_core_file(), (uint64_t)totalsectors * (uint64_t)sectorsize, hunksize, sectorsize, compression);
if (err != CHDERR_NONE)
- goto error;
+ return image_init_result::FAIL;
/* if we created the image and hence, have metadata to set, set the metadata */
err = m_origchd.write_metadata(HARD_DISK_METADATA_TAG, 0, string_format(HARD_DISK_METADATA_FORMAT, cylinders, heads, sectors, sectorsize));
m_origchd.close();
if (err != CHDERR_NONE)
- goto error;
+ return image_init_result::FAIL;
return internal_load_dsk();
-
-error:
- return image_init_result::FAIL;
}
void diablo_image_device::call_unload()