diff options
author | 2021-08-22 09:06:15 +1000 | |
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committer | 2021-08-22 09:06:15 +1000 | |
commit | e8bbea1fc6e94e14768509d322f6c624403ffb36 (patch) | |
tree | 74dd1606a900d83de8aecff17a6737af4113308d /src/devices/bus/isa/sc499.cpp | |
parent | e319bde5fc3696d7f48f62b15b6366c4377fe5d1 (diff) |
formats, osd, util: Started refactoring file I/O stuff. (#8456)
Added more modern generic I/O interfaces with implementation backed by stdio, osd_file and core_file, replacing io_generic. Also replaced core_file's build-in zlib compression with a filter.
unzip.cpp, un7z.cpp: Added option to supply abstract I/O interface rather than filename.
Converted osd_file, core_file, archive_file, chd_file and device_image_interface to use std::error_condition rather than their own error enums.
Allow mounting TI-99 RPK from inside archives.
Diffstat (limited to 'src/devices/bus/isa/sc499.cpp')
-rw-r--r-- | src/devices/bus/isa/sc499.cpp | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/src/devices/bus/isa/sc499.cpp b/src/devices/bus/isa/sc499.cpp index c313dd84148..bc942ede9e8 100644 --- a/src/devices/bus/isa/sc499.cpp +++ b/src/devices/bus/isa/sc499.cpp @@ -16,7 +16,7 @@ #include "emu.h" #include "sc499.h" -#include "formats/ioprocs.h" + #define VERBOSE 0 @@ -1310,18 +1310,17 @@ void sc499_ctape_image_device::write_block(int block_num, uint8_t *ptr) image_init_result sc499_ctape_image_device::call_load() { - uint32_t size; - io_generic io; - io.file = (device_image_interface *)this; - io.procs = &image_ioprocs; - io.filler = 0xff; - - size = io_generic_size(&io); - m_ctape_data.resize(size); - - io_generic_read(&io, &m_ctape_data[0], 0, size); - - return image_init_result::PASS; + try + { + auto const size = length(); + m_ctape_data.resize(size); + if (!fseek(0, SEEK_SET) && (fread(m_ctape_data.data(), size) == size)) + return image_init_result::PASS; + } + catch (...) + { + } + return image_init_result::FAIL; } void sc499_ctape_image_device::call_unload() |