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Diffstat (limited to 'src/devices/cpu/m6502/m6503.cpp')
-rw-r--r--src/devices/cpu/m6502/m6503.cpp25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/devices/cpu/m6502/m6503.cpp b/src/devices/cpu/m6502/m6503.cpp
new file mode 100644
index 00000000000..efaeca3b5a2
--- /dev/null
+++ b/src/devices/cpu/m6502/m6503.cpp
@@ -0,0 +1,25 @@
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
+/***************************************************************************
+
+ m6503.cpp
+
+ MOS Technology 6502, NMOS variant with reduced address bus
+
+ 28-pin package, address bus is 12 bits, no NMI, no SO, no SYNC, no RDY.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "m6503.h"
+
+DEFINE_DEVICE_TYPE(M6503, m6503_device, "m6503", "MOS Technology 6503")
+
+m6503_device::m6503_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ m6502_device(mconfig, M6503, tag, owner, clock)
+{
+ program_config.m_addr_width = 12;
+ program_config.m_logaddr_width = 12;
+ sprogram_config.m_addr_width = 12;
+ sprogram_config.m_logaddr_width = 12;
+}