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Diffstat (limited to 'src/devices/bus/coleco/cartridge/std.cpp')
-rw-r--r--src/devices/bus/coleco/cartridge/std.cpp61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/devices/bus/coleco/cartridge/std.cpp b/src/devices/bus/coleco/cartridge/std.cpp
new file mode 100644
index 00000000000..24bb815834e
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+++ b/src/devices/bus/coleco/cartridge/std.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ ColecoVision standard cartridge emulation
+
+**********************************************************************/
+
+#include "emu.h"
+#include "std.h"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(COLECOVISION_STANDARD, colecovision_standard_cartridge_device, "colecovision_standard", "ColecoVision standard cartridge")
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// colecovision_standard_cartridge_device - constructor
+//-------------------------------------------------
+
+colecovision_standard_cartridge_device::colecovision_standard_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, COLECOVISION_STANDARD, tag, owner, clock),
+ device_colecovision_cartridge_interface(mconfig, *this)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void colecovision_standard_cartridge_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// read - cartridge data read
+//-------------------------------------------------
+
+uint8_t colecovision_standard_cartridge_device::bd_r(offs_t offset, uint8_t data, int _8000, int _a000, int _c000, int _e000)
+{
+ if (!_8000 || !_a000 || !_c000 || !_e000)
+ {
+ if (offset < m_rom_size)
+ data = m_rom[offset];
+ else
+ data = 0xff;
+ }
+
+ return data;
+}