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Diffstat (limited to 'src/mame/drivers/mastboy.cpp')
-rw-r--r--src/mame/drivers/mastboy.cpp44
1 files changed, 22 insertions, 22 deletions
diff --git a/src/mame/drivers/mastboy.cpp b/src/mame/drivers/mastboy.cpp
index 7a89157e465..e8125f96fcf 100644
--- a/src/mame/drivers/mastboy.cpp
+++ b/src/mame/drivers/mastboy.cpp
@@ -19,7 +19,7 @@
This Can be converted to tilemaps very easily, but probably not worth it
- Backup RAM enable / disable needs figuring out properly
+ EEPROM enable / disable needs figuring out properly
*/
/*
@@ -439,7 +439,7 @@
#include "cpu/z180/z180.h"
#include "sound/saa1099.h"
#include "sound/msm5205.h"
-#include "machine/nvram.h"
+#include "machine/eeprompar.h"
#include "screen.h"
#include "speaker.h"
@@ -453,7 +453,7 @@ public:
m_msm(*this, "msm"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
- m_nvram(*this, "nvram") ,
+ m_earom(*this, "earom") ,
m_workram(*this, "workram"),
m_tileram(*this, "tileram"),
m_colram(*this, "colram") { }
@@ -462,8 +462,8 @@ public:
required_device<msm5205_device> m_msm;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
+ required_device<eeprom_parallel_28xx_device> m_earom;
- required_shared_ptr<uint8_t> m_nvram;
required_shared_ptr<uint8_t> m_workram;
required_shared_ptr<uint8_t> m_tileram;
required_shared_ptr<uint8_t> m_colram;
@@ -471,7 +471,7 @@ public:
uint8_t* m_vram;
uint8_t m_bank;
int m_irq0_ack;
- int m_backupram_enabled;
+ int m_earom_enabled;
int m_m5205_next;
int m_m5205_part;
int m_m5205_sambit0;
@@ -480,9 +480,9 @@ public:
DECLARE_READ8_MEMBER(banked_ram_r);
DECLARE_WRITE8_MEMBER(banked_ram_w);
DECLARE_WRITE8_MEMBER(bank_w);
- DECLARE_READ8_MEMBER(backupram_r);
- DECLARE_WRITE8_MEMBER(backupram_w);
- DECLARE_WRITE8_MEMBER(backupram_enable_w);
+ DECLARE_READ8_MEMBER(earom_r);
+ DECLARE_WRITE8_MEMBER(earom_w);
+ DECLARE_WRITE8_MEMBER(earom_enable_w);
DECLARE_WRITE8_MEMBER(msm5205_sambit0_w);
DECLARE_WRITE8_MEMBER(msm5205_sambit1_w);
DECLARE_WRITE8_MEMBER(msm5205_data_w);
@@ -627,30 +627,30 @@ WRITE8_MEMBER(mastboy_state::bank_w)
m_bank = data;
}
-/* Backup RAM access */
+// EAROM (28C16 parallel EEPROM) access
-READ8_MEMBER(mastboy_state::backupram_r)
+READ8_MEMBER(mastboy_state::earom_r)
{
- return m_nvram[offset];
+ return m_earom->read(space, offset);
}
-WRITE8_MEMBER(mastboy_state::backupram_w)
+WRITE8_MEMBER(mastboy_state::earom_w)
{
-// if (m_backupram_enabled)
+// if (m_earom_enabled)
// {
- m_nvram[offset] = data;
+ m_earom->write(space, offset, data);
// }
// else
// {
-// logerror("Write to BackupRAM when disabled! %04x, %02x\n", offset,data);
+// logerror("Write to EAROM when disabled! %04x, %02x\n", offset,data);
// }
}
-WRITE8_MEMBER(mastboy_state::backupram_enable_w)
+WRITE8_MEMBER(mastboy_state::earom_enable_w)
{
- /* This is some kind of enable / disable control for backup ram (see Charles's notes) but I'm not
+ /* This is some kind of enable / disable control for backup memory (see Charles's notes) but I'm not
sure how it works in practice, if we use it then it writes a lot of data with it disabled */
- m_backupram_enabled = data&1;
+ m_earom_enabled = data&1;
}
/* MSM5205 Related */
@@ -723,7 +723,7 @@ static ADDRESS_MAP_START( mastboy_map, AS_PROGRAM, 8, mastboy_state )
AM_RANGE(0xc000, 0xffff) AM_READWRITE(banked_ram_r,banked_ram_w) // mastboy bank area read / write
- AM_RANGE(0xff000, 0xff7ff) AM_READWRITE(backupram_r,backupram_w) AM_SHARE("nvram")
+ AM_RANGE(0xff000, 0xff7ff) AM_READWRITE(earom_r, earom_w)
AM_RANGE(0xff800, 0xff807) AM_READ_PORT("P1")
AM_RANGE(0xff808, 0xff80f) AM_READ_PORT("P2")
@@ -737,7 +737,7 @@ static ADDRESS_MAP_START( mastboy_map, AS_PROGRAM, 8, mastboy_state )
AM_RANGE(0xff839, 0xff839) AM_WRITE(msm5205_sambit0_w)
AM_RANGE(0xff83a, 0xff83a) AM_WRITE(msm5205_sambit1_w)
AM_RANGE(0xff83b, 0xff83b) AM_WRITE(msm5205_reset_w)
- AM_RANGE(0xff83c, 0xff83c) AM_WRITE(backupram_enable_w)
+ AM_RANGE(0xff83c, 0xff83c) AM_WRITE(earom_enable_w)
AM_RANGE(0xffc00, 0xfffff) AM_RAM // Internal RAM
ADDRESS_MAP_END
@@ -883,7 +883,7 @@ void mastboy_state::machine_start()
save_item(NAME(m_bank));
save_item(NAME(m_irq0_ack));
- save_item(NAME(m_backupram_enabled));
+ save_item(NAME(m_earom_enabled));
save_item(NAME(m_m5205_next));
save_item(NAME(m_m5205_part));
save_item(NAME(m_m5205_sambit0));
@@ -911,7 +911,7 @@ static MACHINE_CONFIG_START( mastboy )
MCFG_CPU_IO_MAP(mastboy_io_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", mastboy_state, interrupt)
- MCFG_NVRAM_ADD_1FILL("nvram")
+ MCFG_EEPROM_2816_ADD("earom")
/* video hardware */