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(MESS) c64: Emulated the digital parts of the Magic Voice cartridge. Speech synthesis is not supported yet. [Curt Coder, Stefan Uhlmann]

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This commit is contained in:
Curt Coder 2013-09-04 18:14:17 +00:00
parent ef4ba32180
commit 21c4aba60d
4 changed files with 44 additions and 39 deletions
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6
hash/c64_cart.xml
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@ -604,7 +604,7 @@
</part>
</software>
<software name="magicvce" supported="no">
<software name="magicvce" supported="partial">
<description>Magic Voice</description>
<year>1984</year>
<publisher>Commodore</publisher>
@ -4093,7 +4093,7 @@
</part>
</software>
<software name="wow">
<software name="wowmv">
<!-- supports Magic Voice -->
<description>Wizard of Wor</description>
<year>1984</year>
@ -6896,7 +6896,7 @@
</part>
</software>
<software name="abc" supported="no">
<software name="abc">
<!-- requires Magic Voice to run -->
<description>A Bee Cee's</description>
<year>198?</year>

2
hash/vic10.xml
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@ -299,7 +299,7 @@
</software>
<software name="wowa" cloneof="wow">
<description>Wizard of Wor (Jpn)</description>
<description>Wizard of Wor (Jpn, v.01)</description>
<year>1982</year>
<publisher>Commodore</publisher>
<info name="serial" value="C-64615" />

68
src/mess/machine/c64/magic_voice.c
View File

@ -36,7 +36,6 @@ http://www.stefan-uhlmann.de/cbm/MVM/index.html
TODO:
- wow graphics broken
- T6721A speech synthesis
*/
@ -53,6 +52,13 @@ http://www.stefan-uhlmann.de/cbm/MVM/index.html
#define MOS6525_TAG "u2"
#define CMOS40105_TAG "u1"
#define A12 BIT(offset, 12)
#define A13 BIT(offset, 13)
#define A14 BIT(offset, 14)
#define A15 BIT(offset, 15)
#define PB5 BIT(m_tpi_pb, 5)
#define PB6 BIT(m_tpi_pb, 6)
//**************************************************************************
@ -90,7 +96,7 @@ READ8_MEMBER( c64_magic_voice_cartridge_device::tpi_pa_r )
UINT8 data = 0;
data |= m_exp->game_r(get_offset(0xdf80), 1, 0, 1, 0) << 5;
data |= m_exp->game_r(get_offset(m_ca), 1, 1, 1, 0) << 5;
data |= m_vslsi->eos_r() << 6;
data |= m_fifo->dir_r() << 7;
@ -137,7 +143,7 @@ READ8_MEMBER( c64_magic_voice_cartridge_device::tpi_pb_r )
UINT8 data = 0;
data |= m_exp->exrom_r(get_offset(0xdf81), 1, 0, 1, 0) << 7;
data |= m_exp->exrom_r(get_offset(m_ca), 1, 1, 1, 0) << 7;
return data;
}
@ -159,20 +165,17 @@ WRITE8_MEMBER( c64_magic_voice_cartridge_device::tpi_pb_w )
*/
m_vslsi_data = data & 0x0f;
if (!BIT(data, 4))
if (!BIT(m_tpi_pb, 4) && BIT(data, 4))
{
m_vslsi->write(space, 0, m_vslsi_data);
m_vslsi->write(space, 0, data & 0x0f);
}
m_da_ca = BIT(data, 5);
m_pb6 = BIT(data, 6);
m_tpi_pb = data;
}
WRITE_LINE_MEMBER( c64_magic_voice_cartridge_device::tpi_ca_w )
{
m_eprom = state;
m_tpi_pc6 = state;
}
WRITE_LINE_MEMBER( c64_magic_voice_cartridge_device::tpi_cb_w )
@ -272,10 +275,9 @@ c64_magic_voice_cartridge_device::c64_magic_voice_cartridge_device(const machine
m_tpi(*this, MOS6525_TAG),
m_fifo(*this, CMOS40105_TAG),
m_exp(*this, C64_EXPANSION_SLOT_TAG),
m_eprom(1),
m_da_ca(1),
m_pb6(1),
m_vslsi_data(0)
m_tpi_pb(0x60),
m_tpi_pc6(1),
m_pd(0)
{
}
@ -286,6 +288,10 @@ c64_magic_voice_cartridge_device::c64_magic_voice_cartridge_device(const machine
void c64_magic_voice_cartridge_device::device_start()
{
// state saving
save_item(NAME(m_tpi_pb));
save_item(NAME(m_tpi_pc6));
save_item(NAME(m_pd));
}
@ -299,10 +305,9 @@ void c64_magic_voice_cartridge_device::device_reset()
m_exrom = 1;
m_eprom = 1;
m_da_ca = 1;
m_pb6 = 1;
m_vslsi_data = 0;
m_tpi_pb = 0x60;
m_tpi_pc6 = 1;
m_pd = 0;
}
@ -314,18 +319,19 @@ UINT8 c64_magic_voice_cartridge_device::c64_cd_r(address_space &space, offs_t of
{
if (!io2 && sphi2)
{
m_ca = offset;
data = m_tpi->read(space, offset & 0x07);
}
if (m_eprom && m_pb6 && sphi2 && ((offset >= 0xa000 && offset < 0xc000) || (offset >= 0xe000)))
if (PB6 && A13 && A15)
{
data = m_romh[(BIT(offset, 14) << 13) | (offset & 0x1fff)];
data = m_romh[(A14 << 13) | (offset & 0x1fff)];
}
if (!m_pb6)
{
data = m_exp->cd_r(space, get_offset(offset), data, sphi2, ba, roml, romh, io1, 1);
}
int roml2 = !(!roml || (roml && !PB5 && A12 && A13 && !A14 && A15));
int romh2 = !((!romh && !PB6) || (!PB5 && A12 && A13 && !A14 && !A15));
data = m_exp->cd_r(space, get_offset(offset), data, sphi2, ba, roml2, romh2, io1, 1);
return data;
}
@ -342,10 +348,10 @@ void c64_magic_voice_cartridge_device::c64_cd_w(address_space &space, offs_t off
m_tpi->write(space, offset & 0x07, data);
}
if (!m_pb6)
{
m_exp->cd_w(space, get_offset(offset), data, sphi2, ba, roml, romh, io1, 1);
}
int roml2 = !(!roml || (roml && !PB5 && A12 && A13 && !A14 && A15));
int romh2 = !((!romh && !PB6) || (!PB5 && A12 && A13 && !A14 && !A15));
m_exp->cd_w(space, get_offset(offset), data, sphi2, ba, roml2, romh2, io1, 1);
}
@ -355,7 +361,7 @@ void c64_magic_voice_cartridge_device::c64_cd_w(address_space &space, offs_t off
int c64_magic_voice_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
{
return !(m_eprom && ((offset >= 0xa000 && offset < 0xc000) || (offset >= 0xe000)));
return !((m_tpi_pc6 && sphi2) || (!m_tpi_pc6 && sphi2 && !PB5 && A12 && A13 && !A14));
}
@ -365,9 +371,9 @@ int c64_magic_voice_cartridge_device::c64_game_r(offs_t offset, int sphi2, int b
offs_t c64_magic_voice_cartridge_device::get_offset(offs_t offset)
{
if (!m_da_ca)
if (!PB5 && A12 && A13 && !A14)
{
offset = (m_vslsi_data << 12) | (offset & 0xfff);
offset = ((m_tpi_pb & 0x0f) << 12) | (offset & 0xfff);
}
return offset;

7
src/mess/machine/c64/magic_voice.h
View File

@ -69,10 +69,9 @@ private:
required_device<cmos_40105_device> m_fifo;
required_device<c64_expansion_slot_device> m_exp;
int m_eprom;
int m_da_ca;
int m_pb6;
UINT8 m_vslsi_data;
UINT16 m_ca;
UINT8 m_tpi_pb;
int m_tpi_pc6;
UINT8 m_pd;
};