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vii: use banking (nw)

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This commit is contained in:
cracyc 2016-07-03 18:33:03 -05:00
parent 95e29c600e
commit e11707a3fe
1 changed files with 14 additions and 17 deletions
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31
src/mame/drivers/vii.cpp
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@ -101,6 +101,7 @@ public:
m_p_rowscroll(*this, "p_rowscroll"),
m_p_palette(*this, "p_palette"),
m_p_spriteram(*this, "p_spriteram"),
m_bank(*this, "cart"),
m_bios_rom(*this, "bios"),
m_io_p1(*this, "P1")
{ }
@ -118,8 +119,7 @@ public:
required_shared_ptr<UINT16> m_p_rowscroll;
required_shared_ptr<UINT16> m_p_palette;
required_shared_ptr<UINT16> m_p_spriteram;
std::vector<UINT16> m_p_cart;
required_memory_bank m_bank;
UINT32 m_current_bank;
@ -585,10 +585,7 @@ void vii_state::switch_bank(UINT32 bank)
if (bank != m_current_bank)
{
m_current_bank = bank;
if (m_cart_rom)
memcpy(&m_p_cart[0], m_cart_rom->base() + 0x400000 * bank * 2, 0x400000 * 2);
else
memcpy(&m_p_cart[0], m_bios_rom->base() + 0x400000 * bank * 2, 0x400000 * 2);
m_bank->set_entry(bank);
}
}
@ -892,11 +889,6 @@ WRITE16_MEMBER( vii_state::spriteram_w )
}
*/
READ16_MEMBER( vii_state::rom_r )
{
return m_p_cart[offset + 0x4000];
}
static ADDRESS_MAP_START( vii_mem, AS_PROGRAM, 16, vii_state )
AM_RANGE( 0x000000, 0x0027ff ) AM_RAM AM_SHARE("p_ram")
AM_RANGE( 0x002800, 0x0028ff ) AM_READWRITE(video_r, video_w)
@ -905,7 +897,7 @@ static ADDRESS_MAP_START( vii_mem, AS_PROGRAM, 16, vii_state )
AM_RANGE( 0x002c00, 0x002fff ) AM_RAM AM_SHARE("p_spriteram")
AM_RANGE( 0x003000, 0x0037ff ) AM_READWRITE(audio_r, audio_w)
AM_RANGE( 0x003d00, 0x003eff ) AM_READWRITE(io_r, io_w)
AM_RANGE( 0x004000, 0x3fffff ) AM_READ(rom_r)
AM_RANGE( 0x000000, 0x3fffff ) AM_ROMBANK("cart")
ADDRESS_MAP_END
static INPUT_PORTS_START( vii )
@ -1020,18 +1012,23 @@ void vii_state::machine_start()
m_controller_input[6] = 0xff;
m_controller_input[7] = 0;
m_p_cart.resize(0x400000);
if (m_cart && m_cart->exists())
{
std::string region_tag;
m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());
memcpy(&m_p_cart[0], m_cart_rom->base(), 0x400000 * 2);
m_bank->configure_entries(0, ceilf((float)m_cart_rom->bytes()/0x800000), m_cart_rom->base(), 0x800000 );
m_bank->set_entry(0);
}
else if (m_spg243_mode == SPG243_VII) // Vii bios is banked
memcpy(&m_p_cart[0], m_bios_rom->base(), 0x400000 * 2);
{
m_bank->configure_entries(0, ceilf((float)m_bios_rom->bytes()/0x800000), m_bios_rom->base(), 0x800000 );
m_bank->set_entry(0);
}
else
memcpy(&m_p_cart[0], memregion("maincpu")->base(), 0x400000 * 2);
{
m_bank->configure_entries(0, ceilf((float)memregion("maincpu")->bytes()/0x800000), memregion("maincpu")->base(), 0x800000 );
m_bank->set_entry(0);
}
m_video_regs[0x36] = 0xffff;
m_video_regs[0x37] = 0xffff;