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dcs: Fixed ram bank mapping in Denver DCS audio (nw)

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This commit is contained in:
Ted Green 2019-01-01 09:16:42 -07:00
parent 8d40db558e
commit 3f33a12721
1 changed files with 9 additions and 11 deletions
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20
src/mame/audio/dcs.cpp
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@ -448,8 +448,8 @@ void dcs_audio_device::denver_data_map(address_map &map)
void dcs_audio_device::denver_rambank_map(address_map &map)
{
map(0x0000, 0x1fff).ram();
map(0x2000, 0x3fff).bankrw("databank");
map(0x0000, 0x3fff).ram();
map(0x4000, 0x7fff).bankrw("databank");
}
@ -1373,7 +1373,8 @@ WRITE32_MEMBER( dcs_audio_device::dsio_idma_data_w )
{
dsio_state &dsio = m_dsio;
// IDMA is to internal memory only
m_ram_map->set_bank(0);
if (m_dmovlay_val)
m_ram_map->set_bank(0);
if (ACCESSING_BITS_0_15)
{
if (LOG_DCS_TRANSFERS && !(downcast<adsp2181_device *>(m_cpu)->idma_addr_r() & 0x00ff))
@ -1392,7 +1393,8 @@ WRITE32_MEMBER( dcs_audio_device::dsio_idma_data_w )
m_cpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE);
}
// Restore internal/external mapping
m_ram_map->set_bank(m_dmovlay_val);
if (m_dmovlay_val)
m_ram_map->set_bank(m_dmovlay_val);
}
@ -1910,12 +1912,8 @@ WRITE16_MEMBER(dcs_audio_device:: adsp_control_w )
if (m_sport0_timer != nullptr) {
if (data & 0x1000) {
// Start the SPORT0 timer
// Hack to make sf2049 start to function
if (m_rev == REV_DENV)
m_sport0_timer->adjust(attotime::from_hz(1000), 0, attotime::from_hz(800));
else
// SPORT0 is used as a 1kHz timer
m_sport0_timer->adjust(attotime::from_hz(1000), 0, attotime::from_hz(1000));
// SPORT0 is used as a 1kHz timer
m_sport0_timer->adjust(attotime::from_usec(10), 0, attotime::from_hz(1000));
if (LOG_DCS_IO)
logerror("adsp_control_w: Setting SPORT0 freqency to 1kHz\n");
}
@ -2704,7 +2702,7 @@ void dcs2_audio_denver_device::device_add_mconfig(machine_config &config)
denver.set_addrmap(AS_DATA, &dcs2_audio_denver_device::denver_data_map);
denver.set_addrmap(AS_IO, &dcs2_audio_denver_device::denver_io_map);
ADDRESS_MAP_BANK(config, "data_map_bank").set_map(&dcs2_audio_denver_device::denver_rambank_map).set_options(ENDIANNESS_LITTLE, 16, 14, 0x2000);
ADDRESS_MAP_BANK(config, "data_map_bank").set_map(&dcs2_audio_denver_device::denver_rambank_map).set_options(ENDIANNESS_LITTLE, 16, 15, 0x2000*2);
TIMER(config, "dcs_reg_timer").configure_generic(FUNC(dcs_audio_device::dcs_irq));
TIMER(config, "dcs_int_timer").configure_generic(FUNC(dcs_audio_device::internal_timer_callback));