diff options
Diffstat (limited to 'src/devices/imagedev/bitbngr.cpp')
-rw-r--r-- | src/devices/imagedev/bitbngr.cpp | 30 |
1 files changed, 4 insertions, 26 deletions
diff --git a/src/devices/imagedev/bitbngr.cpp b/src/devices/imagedev/bitbngr.cpp index 86c92c88ceb..dc31c4ccb83 100644 --- a/src/devices/imagedev/bitbngr.cpp +++ b/src/devices/imagedev/bitbngr.cpp @@ -28,8 +28,6 @@ DEFINE_DEVICE_TYPE(BITBANGER, bitbanger_device, "bitbanger", "Bitbanger") bitbanger_device::bitbanger_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, BITBANGER, tag, owner, clock), device_image_interface(mconfig, *this), - m_next(nullptr), - m_end(nullptr), m_interface(nullptr), m_is_readonly(false) { @@ -54,21 +52,10 @@ void bitbanger_device::output(uint8_t data) uint32_t bitbanger_device::input(void *buffer, uint32_t length) { - if (loaded_through_softlist()) - { - size_t const result = std::min<size_t>(length, m_end - m_next); - memcpy(buffer, m_next, result); - m_next += result; - return uint32_t(result); - } - else if (exists()) - { + if (exists()) return fread(buffer, length); - } else - { return 0; - } } @@ -89,7 +76,7 @@ void bitbanger_device::device_start() const software_list_loader &bitbanger_device::get_software_list_loader() const { - return rom_software_list_loader::instance(); + return image_software_list_loader::instance(); } @@ -100,16 +87,7 @@ const software_list_loader &bitbanger_device::get_software_list_loader() const image_init_result bitbanger_device::call_load() { - if (loaded_through_softlist()) - { - auto const length = get_software_region_length("input"); - m_next = get_software_region("input"); - m_end = m_next + length; - } - else - { - m_next = m_end = nullptr; - } + // we don't need to do anything special return image_init_result::PASS; } @@ -125,5 +103,5 @@ image_init_result bitbanger_device::call_create(int format_type, util::option_re void bitbanger_device::call_unload() { - m_next = m_end = nullptr; + // we don't need to do anything special } |