28fxxx: add am28f020 (nw)

felipesanches · Sep 20, 2018 · ea9925b · ea9925b
1 parent 3073888
commit ea9925b
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diff --git a/src/devices/machine/28fxxx.cpp b/src/devices/machine/28fxxx.cpp
@@ -44,6 +44,7 @@ enum manufacturer_codes
 
 DEFINE_DEVICE_TYPE(INTEL_28F010, intel_28f010_device, "intel_28f010", "Intel 28F010 1024K (128K x 8) CMOS Flash Memory")
 DEFINE_DEVICE_TYPE(AMD_28F010, amd_28f010_device, "amd_28f010", "Am28F010 1 Megabit (128K x 8-Bit) CMOS 12.0 Volt, Bulk Erase Flash Memory")
+DEFINE_DEVICE_TYPE(AMD_28F020, amd_28f020_device, "amd_28f020", "Am28F020 2 Megabit (256K x 8-Bit) CMOS 12.0 Volt, Bulk Erase Flash Memory")
 
 ALLOW_SAVE_TYPE(base_28fxxx_device::state);
 
@@ -70,6 +71,11 @@ amd_28f010_device::amd_28f010_device(const machine_config &mconfig, const char *
 {
 }
 
+amd_28f020_device::amd_28f020_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+	: base_28fxxx_device(mconfig, AMD_28F020, tag, owner, clock, 0x40000, MFG_AMD, 0x2a)
+{
+}
+
 void base_28fxxx_device::device_start()
 {
 	m_data = std::make_unique<u8[]>(m_size);

diff --git a/src/devices/machine/28fxxx.h b/src/devices/machine/28fxxx.h
@@ -78,7 +78,14 @@ class amd_28f010_device : public base_28fxxx_device
 	amd_28f010_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
 };
 
+class amd_28f020_device : public base_28fxxx_device
+{
+public:
+	amd_28f020_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
+};
+
 DECLARE_DEVICE_TYPE(INTEL_28F010, intel_28f010_device)
 DECLARE_DEVICE_TYPE(AMD_28F010, amd_28f010_device)
+DECLARE_DEVICE_TYPE(AMD_28F020, amd_28f020_device)
 
 #endif // MAME_MACHINE_28FXXX_H