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knightsb : fixed crash at start (nw)

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This commit is contained in:
Robbbert 2012-12-09 06:30:10 +00:00
parent a839e117a2
commit aaa9abbea3
1 changed files with 45 additions and 3 deletions
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48
src/mame/drivers/cps1.c
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@ -3217,6 +3217,48 @@ Note:
*/
// The following is temporary - new code is on the way
static ADDRESS_MAP_START( sf2mdt_z80map, AS_PROGRAM, 8, cps_state )
AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0x8000, 0xd7ff) AM_RAM
AM_RANGE(0xd800, 0xd801) AM_DEVREADWRITE("2151", ym2151_device, read, write)
AM_RANGE(0xdc00, 0xdc00) AM_READ(soundlatch_byte_r)
ADDRESS_MAP_END
static void m5205_int1( device_t *device )
{
cps_state *state = device->machine().driver_data<cps_state>();
msm5205_data_w(device, state->m_sample_buffer1 & 0x0f);
state->m_sample_buffer1 >>= 4;
state->m_sample_select1 ^= 1;
if (state->m_sample_select1 == 0)
state->m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
}
static void m5205_int2( device_t *device )
{
cps_state *state = device->machine().driver_data<cps_state>();
msm5205_data_w(device, state->m_sample_buffer2 & 0x0f);
state->m_sample_buffer2 >>= 4;
state->m_sample_select2 ^= 1;
}
static const msm5205_interface msm5205_interface1 =
{
m5205_int1, /* interrupt function */
MSM5205_S96_4B /* 4KHz 4-bit */
};
static const msm5205_interface msm5205_interface2 =
{
m5205_int2, /* interrupt function */
MSM5205_S96_4B /* 4KHz 4-bit */
};
static MACHINE_CONFIG_START( knightsb, cps_state )
/* basic machine hardware */
@ -3225,7 +3267,7 @@ static MACHINE_CONFIG_START( knightsb, cps_state )
MCFG_CPU_VBLANK_INT_DRIVER("screen", cps_state, cps1_interrupt)
MCFG_CPU_ADD("audiocpu", Z80, 29821000 / 8)
// MCFG_CPU_PROGRAM_MAP(sf2mdt_z80map)
MCFG_CPU_PROGRAM_MAP(sf2mdt_z80map)
MCFG_MACHINE_START_OVERRIDE(cps_state,common)
@ -3253,11 +3295,11 @@ static MACHINE_CONFIG_START( knightsb, cps_state )
/* has 2x MSM5205 instead of OKI6295 */
MCFG_SOUND_ADD("msm1", MSM5205, 24000000/64) /* ? */
// MCFG_SOUND_CONFIG(msm5205_interface1)
MCFG_SOUND_CONFIG(msm5205_interface1)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MCFG_SOUND_ADD("msm2", MSM5205, 24000000/64) /* ? */
// MCFG_SOUND_CONFIG(msm5205_interface2)
MCFG_SOUND_CONFIG(msm5205_interface2)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END