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Diffstat (limited to 'src/devices/bus/c64/mikro_assembler.c')
-rw-r--r--src/devices/bus/c64/mikro_assembler.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/devices/bus/c64/mikro_assembler.c b/src/devices/bus/c64/mikro_assembler.c
new file mode 100644
index 00000000000..2578d4ae5b4
--- /dev/null
+++ b/src/devices/bus/c64/mikro_assembler.c
@@ -0,0 +1,57 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Mikro Assembler cartridge emulation
+
+**********************************************************************/
+
+#include "mikro_assembler.h"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type C64_MIKRO_ASSEMBLER = &device_creator<c64_mikro_assembler_cartridge_device>;
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// c64_mikro_assembler_cartridge_device - constructor
+//-------------------------------------------------
+
+c64_mikro_assembler_cartridge_device::c64_mikro_assembler_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, C64_MIKRO_ASSEMBLER, "C64 Mikro Assembler cartridge", tag, owner, clock, "c64_mikro_assembler", __FILE__),
+ device_c64_expansion_card_interface(mconfig, *this)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void c64_mikro_assembler_cartridge_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// c64_cd_r - cartridge data read
+//-------------------------------------------------
+
+UINT8 c64_mikro_assembler_cartridge_device::c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2)
+{
+ if (!roml || !romh || !io1 || !io2)
+ {
+ data = m_roml[offset & 0x1fff];
+ }
+
+ return data;
+}