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Diffstat (limited to 'src/devices/imagedev/bitbngr.cpp')
-rw-r--r--src/devices/imagedev/bitbngr.cpp30
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
}