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improve cbaj sound

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This commit is contained in:
Michaël Banaan Ananas 2013-05-25 15:20:10 +00:00
parent 687f97e4b9
commit f07601a449
1 changed files with 30 additions and 27 deletions
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57
src/mame/drivers/zn.c
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@ -97,6 +97,7 @@ public:
DECLARE_MACHINE_RESET(coh1001l);
DECLARE_MACHINE_RESET(coh1002v);
DECLARE_MACHINE_RESET(coh1002m);
DECLARE_MACHINE_RESET(coh1002msnd);
DECLARE_WRITE_LINE_MEMBER(irqhandler);
INTERRUPT_GEN_MEMBER(qsound_interrupt);
void atpsx_dma_read(UINT32 *p_n_psxram, UINT32 n_address, INT32 n_size );
@ -119,9 +120,9 @@ private:
size_t m_nbajamex_eeprom_size;
UINT8 *m_nbajamex_eeprom;
int m_cbaj_to_z80_status;
int m_cbaj_from_z80_status;
int m_latch_to_z80;
UINT8 m_cbaj_fifo_buffer[2][0x400];
int m_cbaj_fifo_main_ptr[2];
int m_cbaj_fifo_z80_ptr[2];
required_device<psxgpu_device> m_gpu;
required_device<znsec_device> m_znsec0;
@ -2197,8 +2198,8 @@ static MACHINE_CONFIG_DERIVED(coh1001l, zn1_2mb_vram)
MCFG_SOUND_ADD("ymz", YMZ280B, XTAL_16_9344MHz)
MCFG_YMZ280B_IRQ_HANDLER(WRITELINE(zn_state, coh1001l_ymz_irq))
MCFG_SOUND_ROUTE(0, "lspeaker", 0.37)
MCFG_SOUND_ROUTE(1, "rspeaker", 0.37)
MCFG_SOUND_ROUTE(0, "lspeaker", 0.35)
MCFG_SOUND_ROUTE(1, "rspeaker", 0.35)
MACHINE_CONFIG_END
/*
@ -2423,27 +2424,20 @@ MACHINE_CONFIG_END
READ8_MEMBER(zn_state::cbaj_from_z80_latch_r)
{
machine().scheduler().synchronize();
m_cbaj_from_z80_status &= ~2;
return soundlatch2_byte_r(space,0);
UINT8 ret = m_cbaj_fifo_buffer[1][m_cbaj_fifo_main_ptr[1]];
m_cbaj_fifo_main_ptr[1] = (m_cbaj_fifo_main_ptr[1] + 1) & 0x3ff;
return ret;
}
WRITE8_MEMBER(zn_state::cbaj_to_z80_latch_w)
{
machine().scheduler().synchronize();
m_cbaj_to_z80_status |= 2;
m_latch_to_z80 = data;
m_cbaj_fifo_buffer[0][m_cbaj_fifo_main_ptr[0]] = data;
m_cbaj_fifo_main_ptr[0] = (m_cbaj_fifo_main_ptr[0] + 1) & 0x3ff;
}
READ8_MEMBER(zn_state::cbaj_from_z80_status_r)
{
machine().scheduler().synchronize();
int ready = m_cbaj_from_z80_status;
m_cbaj_from_z80_status &= ~2;
return ready;
return (m_cbaj_fifo_main_ptr[1] != m_cbaj_fifo_z80_ptr[1]) ? 0x02 : 0x00;
}
static ADDRESS_MAP_START(coh1002msnd_map, AS_PROGRAM, 32, zn_state)
@ -2455,21 +2449,20 @@ ADDRESS_MAP_END
READ8_MEMBER(zn_state::cbaj_to_z80_latch_r)
{
m_cbaj_to_z80_status &= ~2;
return m_latch_to_z80;
UINT8 ret = m_cbaj_fifo_buffer[0][m_cbaj_fifo_z80_ptr[0]];
m_cbaj_fifo_z80_ptr[0] = (m_cbaj_fifo_z80_ptr[0] + 1) & 0x3ff;
return ret;
}
WRITE8_MEMBER(zn_state::cbaj_from_z80_latch_w)
{
m_cbaj_from_z80_status |= 2;
soundlatch2_byte_w(space, 0, data);
m_cbaj_fifo_buffer[1][m_cbaj_fifo_z80_ptr[1]] = data;
m_cbaj_fifo_z80_ptr[1] = (m_cbaj_fifo_z80_ptr[1] + 1) & 0x3ff;
}
READ8_MEMBER(zn_state::cbaj_to_z80_status_r)
{
int ret = m_cbaj_to_z80_status;
m_cbaj_to_z80_status &= ~2;
return ret;
return (m_cbaj_fifo_main_ptr[0] != m_cbaj_fifo_z80_ptr[0]) ? 0x02 : 0x00;
}
static ADDRESS_MAP_START( cbaj_z80_map, AS_PROGRAM, 8, zn_state )
@ -2484,6 +2477,13 @@ static ADDRESS_MAP_START( cbaj_z80_port_map, AS_IO, 8, zn_state )
AM_RANGE(0x91, 0x91) AM_READ(cbaj_to_z80_status_r)
ADDRESS_MAP_END
MACHINE_RESET_MEMBER(zn_state,coh1002msnd)
{
m_cbaj_fifo_main_ptr[0] = m_cbaj_fifo_main_ptr[1] = 0;
m_cbaj_fifo_z80_ptr[0] = m_cbaj_fifo_z80_ptr[1] = 0;
MACHINE_RESET_CALL_MEMBER(coh1002m);
}
static MACHINE_CONFIG_DERIVED( coh1002msnd, coh1002m )
MCFG_CPU_MODIFY("maincpu")
@ -2493,9 +2493,12 @@ static MACHINE_CONFIG_DERIVED( coh1002msnd, coh1002m )
MCFG_CPU_PROGRAM_MAP(cbaj_z80_map)
MCFG_CPU_IO_MAP(cbaj_z80_port_map)
MCFG_QUANTUM_TIME(attotime::from_hz(6000))
MCFG_MACHINE_RESET_OVERRIDE(zn_state, coh1002msnd)
MCFG_SOUND_ADD("ymz", YMZ280B, XTAL_16_9344MHz)
MCFG_SOUND_ROUTE(0, "lspeaker", 1.0)
MCFG_SOUND_ROUTE(1, "rspeaker", 1.0)
MCFG_SOUND_ROUTE(0, "lspeaker", 0.35)
MCFG_SOUND_ROUTE(1, "rspeaker", 0.35)
MACHINE_CONFIG_END