diff options
Diffstat (limited to 'src/mess/machine/msx_systemflags.c')
-rw-r--r-- | src/mess/machine/msx_systemflags.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/src/mess/machine/msx_systemflags.c b/src/mess/machine/msx_systemflags.c deleted file mode 100644 index ee443f79471..00000000000 --- a/src/mess/machine/msx_systemflags.c +++ /dev/null @@ -1,40 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Wilbert Pol -#include "emu.h" -#include "msx_systemflags.h" - - -const device_type MSX_SYSTEMFLAGS = &device_creator<msx_systemflags_device>; - - -msx_systemflags_device::msx_systemflags_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) - : device_t(mconfig, MSX_SYSTEMFLAGS, "MSX System Flags", tag, owner, clock, "msx_systemflags", __FILE__) - , m_initial_value(0xff) - , m_system_flags(0xff) -{ -} - - -void msx_systemflags_device::device_start() -{ - m_system_flags = m_initial_value; - - save_item(NAME(m_system_flags)); - - // Install IO read/write handlers - address_space &space = machine().device<cpu_device>("maincpu")->space(AS_IO); - space.install_write_handler(0xf4, 0xf4, write8_delegate(FUNC(msx_systemflags_device::write), this)); - space.install_read_handler(0xf4, 0xf4, read8_delegate(FUNC(msx_systemflags_device::read), this)); -} - - -READ8_MEMBER(msx_systemflags_device::read) -{ - return m_system_flags; -} - - -WRITE8_MEMBER(msx_systemflags_device::write) -{ - m_system_flags = data; -} |