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Flash ROM loading ...

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This commit is contained in:
Angelo Salese 2012-01-02 03:04:18 +00:00
parent 36f3dc3e96
commit 767993e915
1 changed files with 38 additions and 14 deletions
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52
src/mame/drivers/funkball.c
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@ -108,6 +108,7 @@ public:
UINT16 m_flash_addr;
UINT32 *m_unk_ram;
UINT8 m_flash_cmd;
UINT8 m_flash_data_cmd;
// devices
required_device<cpu_device> m_maincpu;
@ -118,8 +119,9 @@ public:
required_device<pic8259_device> m_pic8259_2;
DECLARE_READ8_MEMBER( get_slave_ack );
DECLARE_READ8_MEMBER( flash_r );
DECLARE_WRITE8_MEMBER( flash_w );
DECLARE_READ8_MEMBER( flash_data_r );
DECLARE_WRITE8_MEMBER( flash_data_w );
};
static UINT32 cx5510_pci_r(device_t *busdevice, device_t *device, int function, int reg, UINT32 mem_mask)
@ -377,27 +379,49 @@ WRITE8_MEMBER( funkball_state::flash_w )
printf("%02x %02x\n",offset,data);
}
READ8_MEMBER( funkball_state::flash_r )
READ8_MEMBER( funkball_state::flash_data_r )
{
printf("%02x %08x %02x\n",offset,m_flash_addr << 16,m_flash_cmd);
if(m_flash_data_cmd == 0x90)
{
if(offset == 0)
return 0x89;
if(offset == 0)
return 0x89;
if(offset == 2)
return (m_flash_cmd & 0x80) ? 0x15 : 0x14; // recognize
if(offset == 2)
return (m_flash_cmd & 0x80) ? 0x15 : 0x14; // recognize
return 0;
}
if(m_flash_data_cmd == 0xff)
{
UINT8 *ROM = machine().region(m_flash_cmd & 0x80 ? "flash1" : "flash2")->base();
return ROM[offset + (m_flash_addr << 16)];
}
printf("%02x %08x %02x %02x\n",offset,m_flash_addr << 16,m_flash_cmd,m_flash_data_cmd);
return 0;
}
WRITE8_MEMBER( funkball_state::flash_data_w )
{
if(offset == 0)
{
m_flash_data_cmd = data;
}
else
printf("%08x %02x FLASH DATA W %08x\n",offset,data,m_flash_addr << 16);
}
static ADDRESS_MAP_START(funkball_map, AS_PROGRAM, 32, funkball_state)
AM_RANGE(0x00000000, 0x0009ffff) AM_RAM
AM_RANGE(0x000a0000, 0x000affff) AM_RAM
AM_RANGE(0x000b0000, 0x000b0003) AM_READ8(flash_r,0xffffffff)
AM_RANGE(0x000b0000, 0x000bffff) AM_READWRITE8(flash_data_r,flash_data_w,0xffffffff)
AM_RANGE(0x000c0000, 0x000cffff) AM_RAM
AM_RANGE(0x000d0000, 0x000dffff) AM_RAM
AM_RANGE(0x000e0000, 0x000effff) AM_RAM
AM_RANGE(0x000f0000, 0x000fffff) AM_ROM AM_REGION("bios", 0) AM_WRITENOP /* System BIOS */
AM_RANGE(0x000f0000, 0x000fffff) AM_RAM AM_REGION("bios", 0) /* System BIOS */
AM_RANGE(0x00100000, 0x01ffffff) AM_RAM
AM_RANGE(0x40010e00, 0x40010eff) AM_RAM AM_BASE(m_unk_ram)
AM_RANGE(0xffff0000, 0xffffffff) AM_ROM AM_REGION("bios", 0) /* System BIOS */
@ -522,7 +546,7 @@ static MACHINE_START( funkball )
kbdc8042_init(machine, &at8042);
/* defaults, so it won't boot */
/* defaults, otherwise it won't boot */
state->m_unk_ram[0x010/4] = 0x2f8d85ff;
state->m_unk_ram[0x018/4] = 0x000018c5;
}
@ -561,12 +585,12 @@ ROM_START( funkball )
ROM_REGION32_LE(0x10000, "bios", ROMREGION_ERASEFF)
ROM_LOAD( "512k-epr.u62", 0x000000, 0x010000, CRC(cced894a) SHA1(298c81716e375da4b7215f3e588a45ca3ea7e35c) )
ROM_REGION(0x400000, "user2", 0)
ROM_LOAD( "flash.u3", 0x000000, 0x400000, CRC(fb376abc) SHA1(ea4c48bb6cd2055431a33f5c426e52c7af6997eb) )
ROM_REGION(0x800000, "user3", 0)
ROM_REGION(0x800000, "flash1", 0)
ROM_LOAD( "flash.u29", 0x000000, 0x400000, CRC(7cf6ff4b) SHA1(4ccdd4864ad92cc218998f3923997119a1a9dd1d) )
ROM_LOAD( "flash.u30", 0x400000, 0x400000, CRC(1d46717a) SHA1(acfbd0a2ccf4d717779733c4a9c639296c3bbe0e) )
ROM_REGION(0x400000, "flash2", 0)
ROM_LOAD( "flash.u3", 0x000000, 0x400000, CRC(fb376abc) SHA1(ea4c48bb6cd2055431a33f5c426e52c7af6997eb) )
ROM_END