diff options
Diffstat (limited to 'src/devices/sound/2610intf.cpp')
-rw-r--r-- | src/devices/sound/2610intf.cpp | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/devices/sound/2610intf.cpp b/src/devices/sound/2610intf.cpp deleted file mode 100644 index b0ee9c99d32..00000000000 --- a/src/devices/sound/2610intf.cpp +++ /dev/null @@ -1,205 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Ernesto Corvi -/*************************************************************************** - - 2610intf.c - - The YM2610 emulator supports up to 2 chips. - Each chip has the following connections: - - Status Read / Control Write A - - Port Read / Data Write A - - Control Write B - - Data Write B - -***************************************************************************/ - -#include "emu.h" -#include "2610intf.h" -#include "fm.h" - -const ssg_callbacks ym2610_device::psgintf = -{ - &ym2610_device::psg_set_clock, - &ym2610_device::psg_write, - &ym2610_device::psg_read, - &ym2610_device::psg_reset -}; - -void ym2610_device::irq_handler(int irq) -{ - if (!m_irq_handler.isnull()) - m_irq_handler(irq); -} - -/* Timer overflow callback from timer.c */ -void ym2610_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) -{ - switch(id) - { - case 0: - ym2610_timer_over(m_chip,0); - break; - - case 1: - ym2610_timer_over(m_chip,1); - break; - } -} - -void ym2610_device::timer_handler(int c,int count,int clock) -{ - if( count == 0 || clock == 0 ) - { /* Reset FM Timer */ - m_timer[c]->enable(false); - } - else - { /* Start FM Timer */ - attotime period = attotime::from_hz(clock) * count; - - if (!m_timer[c]->enable(true)) - m_timer[c]->adjust(period); - } -} - -//------------------------------------------------- -// stream_generate - handle a stream update -//------------------------------------------------- -void ym2610_device::stream_generate(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) -{ - ym2610_update_one(m_chip, outputs); -} - -//------------------------------------------------- -// stream_generate - handle a stream update -//------------------------------------------------- - -void ym2610b_device::stream_generate(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) -{ - ym2610b_update_one(m_chip, outputs); -} - - -void ym2610_device::device_post_load() -{ - ym2610_postload(m_chip); -} - - -//------------------------------------------------- -// device_start - device-specific startup -//------------------------------------------------- - -void ym2610_device::device_start() -{ - ay8910_device::device_start(); - - int rate = clock()/72; - - m_irq_handler.resolve(); - - /* Timer Handler set */ - m_timer[0] = timer_alloc(0); - m_timer[1] = timer_alloc(1); - - /* stream system initialize */ - m_stream = machine().sound().stream_alloc(*this,0,2,rate, stream_update_delegate(&ym2610_device::stream_generate,this), STREAM_DEFAULT_FLAGS); - - if (!has_configured_map(0) && !has_configured_map(1)) - { - if (m_adpcm_a_region) - space(0).install_rom(0, m_adpcm_a_region->bytes() - 1, m_adpcm_a_region->base()); - - if (m_adpcm_b_region) - space(1).install_rom(0, m_adpcm_b_region->bytes() - 1, m_adpcm_b_region->base()); - else if (m_adpcm_a_region) - space(1).install_rom(0, m_adpcm_a_region->bytes() - 1, m_adpcm_a_region->base()); - } - - /**** initialize YM2610 ****/ - m_chip = ym2610_init(this, clock(), rate, - &ym2610_device::static_adpcm_a_read_byte, &ym2610_device::static_adpcm_b_read_byte, - &ym2610_device::static_timer_handler, &ym2610_device::static_irq_handler, &psgintf); - if (!m_chip) - throw emu_fatalerror("ym2610_device(%s): Error creating YM2610 chip", tag()); -} - -//------------------------------------------------- -// device_clock_changed -//------------------------------------------------- - -void ym2610_device::device_clock_changed() -{ - m_stream->set_sample_rate(clock() / 72); - ym2610_clock_changed(m_chip, clock(), clock() / 72); -} - -//------------------------------------------------- -// device_stop - device-specific stop -//------------------------------------------------- - -void ym2610_device::device_stop() -{ - ym2610_shutdown(m_chip); -} - -//------------------------------------------------- -// device_reset - device-specific reset -//------------------------------------------------- - -void ym2610_device::device_reset() -{ - ym2610_reset_chip(m_chip); -} - -//------------------------------------------------- -// memory_space_config - return a description of -// any address spaces owned by this device -//------------------------------------------------- - -device_memory_interface::space_config_vector ym2610_device::memory_space_config() const -{ - return space_config_vector{ - std::make_pair(0, &m_adpcm_a_config), - std::make_pair(1, &m_adpcm_b_config) - }; -} - - -u8 ym2610_device::read(offs_t offset) -{ - return ym2610_read(m_chip, offset & 3); -} - -void ym2610_device::write(offs_t offset, u8 data) -{ - ym2610_write(m_chip, offset & 3, data); -} - - -DEFINE_DEVICE_TYPE(YM2610, ym2610_device, "ym2610", "YM2610 OPNB") - -ym2610_device::ym2610_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : ym2610_device(mconfig, YM2610, tag, owner, clock) -{ -} - -ym2610_device::ym2610_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) - : ay8910_device(mconfig, type, tag, owner, clock, PSG_TYPE_YM, 1, 0) - , device_memory_interface(mconfig, *this) - , m_adpcm_a_config("adpcm-a", ENDIANNESS_LITTLE, 8, 24, 0) - , m_adpcm_b_config("adpcm-b", ENDIANNESS_LITTLE, 8, 24, 0) - , m_stream(nullptr) - , m_timer{ nullptr, nullptr } - , m_irq_handler(*this) - , m_adpcm_b_region_name("^" + std::string(basetag()) + ".deltat") - , m_adpcm_a_region(*this, DEVICE_SELF) - , m_adpcm_b_region(*this, m_adpcm_b_region_name.c_str()) -{ -} - -DEFINE_DEVICE_TYPE(YM2610B, ym2610b_device, "ym2610b", "YM2610B OPNB") - -ym2610b_device::ym2610b_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : ym2610_device(mconfig, YM2610B, tag, owner, clock) -{ -} |