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-rw-r--r--src/devices/bus/ql/std.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/devices/bus/ql/std.c b/src/devices/bus/ql/std.c
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index 00000000000..11132954104
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+++ b/src/devices/bus/ql/std.c
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Sinclair QL standard ROM cartridge emulation
+
+**********************************************************************/
+
+#include "std.h"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type QL_STANDARD_ROM_CARTRIDGE = &device_creator<ql_standard_rom_cartridge_t>;
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// ql_standard_rom_cartridge_t - constructor
+//-------------------------------------------------
+
+ql_standard_rom_cartridge_t::ql_standard_rom_cartridge_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, QL_STANDARD_ROM_CARTRIDGE, "QL standard ROM cartridge", tag, owner, clock, "ql_standard", __FILE__),
+ device_ql_rom_cartridge_card_interface(mconfig, *this)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void ql_standard_rom_cartridge_t::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// read - cartridge data read
+//-------------------------------------------------
+
+UINT8 ql_standard_rom_cartridge_t::read(address_space &space, offs_t offset, UINT8 data)
+{
+ if (m_romoeh && m_rom.bytes())
+ {
+ data = m_rom[offset & m_rom.mask()];
+ }
+
+ return data;
+}