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Diffstat (limited to 'src/devices/bus/z88/flash.c')
-rw-r--r--src/devices/bus/z88/flash.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/src/devices/bus/z88/flash.c b/src/devices/bus/z88/flash.c
new file mode 100644
index 00000000000..0793f126c18
--- /dev/null
+++ b/src/devices/bus/z88/flash.c
@@ -0,0 +1,94 @@
+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+/***************************************************************************
+
+ flash.c
+
+ Z88 Flash cartridges emulation
+
+***************************************************************************/
+
+#include "emu.h"
+#include "flash.h"
+
+
+//**************************************************************************
+// MACROS/CONSTANTS
+//**************************************************************************
+
+#define FLASH_TAG "flash"
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type Z88_1024K_FLASH = &device_creator<z88_1024k_flash_device>;
+
+//-------------------------------------------------
+// MACHINE_CONFIG_FRAGMENT( z88_flash )
+//-------------------------------------------------
+
+static MACHINE_CONFIG_FRAGMENT(z88_flash)
+ MCFG_INTEL_E28F008SA_ADD(FLASH_TAG)
+MACHINE_CONFIG_END
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// z88_1024k_flash_device - constructor
+//-------------------------------------------------
+
+z88_1024k_flash_device::z88_1024k_flash_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : device_t(mconfig, Z88_1024K_FLASH, "Z88 1024KB Flash", tag, owner, clock, "z88_1024k_flash", __FILE__),
+ device_z88cart_interface( mconfig, *this ),
+ m_flash(*this, FLASH_TAG)
+{
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void z88_1024k_flash_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// device_mconfig_additions
+//-------------------------------------------------
+
+machine_config_constructor z88_1024k_flash_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( z88_flash );
+}
+
+/*-------------------------------------------------
+ get_cart_base
+-------------------------------------------------*/
+
+UINT8* z88_1024k_flash_device::get_cart_base()
+{
+ return (UINT8*)m_flash->space().get_read_ptr(0);
+}
+
+/*-------------------------------------------------
+ read
+-------------------------------------------------*/
+
+READ8_MEMBER(z88_1024k_flash_device::read)
+{
+ return m_flash->read(offset & (get_cart_size() - 1));
+}
+
+/*-------------------------------------------------
+ write
+-------------------------------------------------*/
+
+WRITE8_MEMBER(z88_1024k_flash_device::write)
+{
+ m_flash->write(offset & (get_cart_size() - 1), data);
+}