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pcxt: plays music unfortunately (nw)

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This commit is contained in:
cracyc 2016-03-05 17:14:38 -06:00
parent af0a67c0f7
commit e7e26e2b25
4 changed files with 8 additions and 67 deletions
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2
src/devices/machine/genpc.h
View File

@ -182,12 +182,12 @@ class pc_noppi_mb_device : public ibm5160_mb_device
public:
// construction/destruction
pc_noppi_mb_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
UINT8 pit_out2() { return m_pit_out2; } // helper for near-clones with multifunction ics instead of 8255s
DECLARE_ADDRESS_MAP(map, 8);
virtual machine_config_constructor device_mconfig_additions() const override;
virtual ioport_constructor device_input_ports() const override;
protected:
};
extern const device_type PCNOPPI_MOTHERBOARD;

2
src/mame/drivers/amstr_pc.cpp
View File

@ -281,7 +281,7 @@ READ8_MEMBER( amstrad_pc_state::pc1640_port60_r )
case 2:
data = m_port62;
if (m_mb->m_pit_out2)
if (m_mb->pit_out2())
data |= 0x20;
break;
}

2
src/mame/drivers/europc.cpp
View File

@ -381,7 +381,7 @@ READ8_MEMBER( europc_pc_state::europc_pio_r )
data = m_port61;
break;
case 2:
if (m_mb->m_pit_out2)
if (m_mb->pit_out2())
data |= 0x20;
break;
}

69
src/mame/drivers/pcxt.cpp
View File

@ -74,8 +74,6 @@ public:
int m_lastvalue;
UINT8 m_disk_data[2];
UINT8 m_port_b_data;
UINT8 m_wss1_data;
UINT8 m_wss2_data;
UINT8 m_status;
UINT8 m_clr_status;
@ -89,9 +87,6 @@ public:
DECLARE_READ8_MEMBER(port_b_r);
DECLARE_READ8_MEMBER(port_c_r);
DECLARE_WRITE8_MEMBER(port_b_w);
DECLARE_WRITE8_MEMBER(wss_1_w);
DECLARE_WRITE8_MEMBER(wss_2_w);
DECLARE_WRITE8_MEMBER(sys_reset_w);
virtual void machine_reset() override;
required_device<cpu_device> m_maincpu;
@ -298,24 +293,7 @@ WRITE8_MEMBER(pcxt_state::disk_iobank_w)
READ8_MEMBER(pcxt_state::port_a_r)
{
if(!(m_port_b_data & 0x80))//???
{
/*
x--- ---- Undefined (Always 0)
-x-- ---- B: Floppy disk drive installed.
--xx ---- Default Display Mode
---- xx-- Undefined (Always 1)
---- --x- 8087 NDP installed
---- ---x Undefined (Always 1)
*/
return m_wss1_data;
}
else//keyboard emulation
{
//m_maincpu->set_input_line(1, PULSE_LINE);
return 0x00;//Keyboard is disconnected
//return 0xaa;//Keyboard code
}
return 0xaa;//harmless keyboard error occurs without this
}
READ8_MEMBER(pcxt_state::port_b_r)
@ -325,13 +303,7 @@ READ8_MEMBER(pcxt_state::port_b_r)
READ8_MEMBER(pcxt_state::port_c_r)
{
if ( m_port_b_data & 0x01 )
{
m_wss2_data = ( m_wss2_data & ~0x10 ) | ( m_mb->m_pit_out2 ? 0x10 : 0x00 );
}
m_wss2_data = ( m_wss2_data & ~0x20 ) | ( m_mb->m_pit_out2 ? 0x20 : 0x00 );
return m_wss2_data;//TODO
return 0x00;// DIPS?
}
/*'buzzer' sound routes here*/
@ -346,22 +318,6 @@ WRITE8_MEMBER(pcxt_state::port_b_w)
// hc55516_digit_w(cvsd, data);
}
WRITE8_MEMBER(pcxt_state::wss_1_w)
{
m_wss1_data = data;
}
WRITE8_MEMBER(pcxt_state::wss_2_w)
{
m_wss2_data = data;
}
WRITE8_MEMBER(pcxt_state::sys_reset_w)
{
m_maincpu->set_input_line(INPUT_LINE_RESET, PULSE_LINE);
}
/*Floppy Disk Controller 765 device*/
/*Currently we only emulate it at a point that the BIOS will pass the checks*/
@ -372,7 +328,6 @@ WRITE8_MEMBER(pcxt_state::sys_reset_w)
READ8_MEMBER(pcxt_state::fdc765_status_r)
{
UINT8 tmp;
// popmessage("Read FDC status @ PC=%05x",space.device().safe_pc());
tmp = m_status | 0x80;
m_clr_status++;
if(m_clr_status == 0x10)
@ -408,10 +363,10 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( filetto_io, AS_IO, 8, pcxt_state )
ADDRESS_MAP_GLOBAL_MASK(0x3ff)
AM_RANGE(0x0060, 0x0063) AM_DEVREADWRITE("ppi8255_0", i8255_device, read, write) //PPI 8255
AM_RANGE(0x0064, 0x0066) AM_DEVREADWRITE("ppi8255_1", i8255_device, read, write) //PPI 8255
AM_RANGE(0x0060, 0x0060) AM_READ(port_a_r) //not a real 8255
AM_RANGE(0x0061, 0x0061) AM_READWRITE(port_b_r, port_b_w)
AM_RANGE(0x0062, 0x0062) AM_READ(port_c_r)
AM_RANGE(0x0000, 0x00ff) AM_DEVICE("mb", pc_noppi_mb_device, map)
// AM_RANGE(0x0200, 0x020f) AM_RAM //game port
AM_RANGE(0x0201, 0x0201) AM_READ_PORT("COIN") //game port
AM_RANGE(0x0310, 0x0311) AM_READWRITE(disk_iobank_r,disk_iobank_w) //Prototyping card
AM_RANGE(0x0312, 0x0312) AM_READ_PORT("IN0") //Prototyping card,read only
@ -427,7 +382,6 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( tetriskr_io, AS_IO, 8, pcxt_state )
ADDRESS_MAP_GLOBAL_MASK(0x3ff)
AM_RANGE(0x0000, 0x00ff) AM_DEVICE("mb", pc_noppi_mb_device, map)
AM_RANGE(0x0200, 0x020f) AM_RAM //game port
AM_RANGE(0x03c8, 0x03c8) AM_READ_PORT("IN0")
AM_RANGE(0x03c9, 0x03c9) AM_READ_PORT("IN1")
// AM_RANGE(0x03ce, 0x03ce) AM_READ_PORT("IN1") //read then discarded?
@ -517,7 +471,6 @@ INPUT_PORTS_END
void pcxt_state::machine_reset()
{
m_lastvalue = -1;
m_wss2_data = 0;
}
static SLOT_INTERFACE_START( filetto_isa8_cards )
@ -534,18 +487,6 @@ static MACHINE_CONFIG_START( filetto, pcxt_state )
MCFG_PCNOPPI_MOTHERBOARD_ADD("mb","maincpu")
MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", filetto_isa8_cards, "filetto", true)
MCFG_DEVICE_ADD("ppi8255_0", I8255A, 0)
MCFG_I8255_IN_PORTA_CB(READ8(pcxt_state, port_a_r))
MCFG_I8255_IN_PORTB_CB(READ8(pcxt_state, port_b_r))
MCFG_I8255_OUT_PORTB_CB(WRITE8(pcxt_state, port_b_w))
MCFG_I8255_IN_PORTC_CB(READ8(pcxt_state, port_c_r))
MCFG_DEVICE_ADD("ppi8255_1", I8255A, 0)
MCFG_I8255_OUT_PORTA_CB(WRITE8(pcxt_state, wss_1_w))
MCFG_I8255_OUT_PORTA_CB(WRITE8(pcxt_state, wss_2_w))
MCFG_I8255_OUT_PORTA_CB(WRITE8(pcxt_state, sys_reset_w))
MCFG_SOUND_ADD("voice", HC55516, 8000000/4)//8923S-UM5100 is a HC55536 with ROM hook-up
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mb:mono", 0.60)
MCFG_RAM_ADD(RAM_TAG)