intelfsh: Add SST_39SF010 variant, add missing address mask check to …

…erase command
mamedev · Nov 29, 2024 · 8850e57 · 8850e57
1 parent 84159fe
commit 8850e57
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Showing 2 changed files with 15 additions and 0 deletions.
diff --git a/src/devices/machine/intelfsh.cpp b/src/devices/machine/intelfsh.cpp
@@ -114,6 +114,7 @@ DEFINE_DEVICE_TYPE(TMS_29F040,               tms_29f040_device,               "t
 DEFINE_DEVICE_TYPE(PANASONIC_MN63F805MNP,    panasonic_mn63f805mnp_device,    "panasonic_mn63f805mnp",    "Panasonic MN63F805MNP Flash")
 DEFINE_DEVICE_TYPE(SANYO_LE26FV10N1TS,       sanyo_le26fv10n1ts_device,       "sanyo_le26fv10n1ts",       "Sanyo LE26FV10N1TS Flash")
 DEFINE_DEVICE_TYPE(SST_28SF040,              sst_28sf040_device,              "sst_28sf040",              "SST 28SF040 Flash")
+DEFINE_DEVICE_TYPE(SST_39SF010,              sst_39sf010_device,              "sst_39sf010",              "SST 39SF010 Flash")
 DEFINE_DEVICE_TYPE(SST_39SF040,              sst_39sf040_device,              "sst_39sf040",              "SST 39SF040 Flash")
 DEFINE_DEVICE_TYPE(SST_39VF020,              sst_39vf020_device,              "sst_39vf020",              "SST 39VF020 Flash")
 DEFINE_DEVICE_TYPE(SST_49LF020,              sst_49lf020_device,              "sst_49lf020",              "SST 49LF020 Flash")
@@ -271,6 +272,9 @@ sanyo_le26fv10n1ts_device::sanyo_le26fv10n1ts_device(const machine_config &mconf
 sst_28sf040_device::sst_28sf040_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
 	: intelfsh8_device(mconfig, SST_28SF040, tag, owner, clock, 0x80000, MFG_SST, 0x04) { }
 
+sst_39sf010_device::sst_39sf010_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: intelfsh8_device(mconfig, SST_39SF010, tag, owner, clock, 0x20000, MFG_SST, 0xb5) { m_addrmask = 0x7fff; }
+
 sst_39sf040_device::sst_39sf040_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
 	: intelfsh8_device(mconfig, SST_39SF040, tag, owner, clock, 0x80000, MFG_SST, 0xb7) { m_addrmask = 0x7fff; }
 
@@ -798,6 +802,10 @@ void intelfsh_device::write_full(uint32_t address, uint32_t data)
 		{
 			m_flash_mode = FM_ERASEAMD3;
 		}
+		else if( ( address & m_addrmask ) == 0x2aaa && ( data & 0xff ) == 0x55 && m_addrmask )
+		{
+			m_flash_mode = FM_ERASEAMD3;
+		}
 		else
 		{
 			logerror( "unexpected %08x=%02x in FM_ERASEAMD2\n", address, data & 0xff );

diff --git a/src/devices/machine/intelfsh.h b/src/devices/machine/intelfsh.h
@@ -247,6 +247,12 @@ class sst_28sf040_device : public intelfsh8_device
 	sst_28sf040_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
 };
 
+class sst_39sf010_device : public intelfsh8_device
+{
+public:
+	sst_39sf010_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
+};
+
 class sst_39sf040_device : public intelfsh8_device
 {
 public:
@@ -418,6 +424,7 @@ DECLARE_DEVICE_TYPE(TMS_29F040,              tms_29f040_device)
 DECLARE_DEVICE_TYPE(PANASONIC_MN63F805MNP,   panasonic_mn63f805mnp_device)
 DECLARE_DEVICE_TYPE(SANYO_LE26FV10N1TS,      sanyo_le26fv10n1ts_device)
 DECLARE_DEVICE_TYPE(SST_28SF040,             sst_28sf040_device)
+DECLARE_DEVICE_TYPE(SST_39SF010,             sst_39sf010_device)
 DECLARE_DEVICE_TYPE(SST_39SF040,             sst_39sf040_device)
 DECLARE_DEVICE_TYPE(SST_39VF020,             sst_39vf020_device)
 DECLARE_DEVICE_TYPE(SST_49LF020,             sst_49lf020_device)