diff options
Diffstat (limited to 'src/devices/sound/262intf.cpp')
-rw-r--r-- | src/devices/sound/262intf.cpp | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/src/devices/sound/262intf.cpp b/src/devices/sound/262intf.cpp deleted file mode 100644 index 616cefc6377..00000000000 --- a/src/devices/sound/262intf.cpp +++ /dev/null @@ -1,145 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Ernesto Corvi -/*************************************************************************** - - 262intf.c - - MAME interface for YMF262 (OPL3) emulator - -***************************************************************************/ -#include "emu.h" -#include "262intf.h" -#include "ymf262.h" - - -/* IRQ Handler */ -void ymf262_device::irq_handler(int irq) -{ - if (!m_irq_handler.isnull()) - m_irq_handler(irq); -} - -/* Timer overflow callback from timer.c */ -void ymf262_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) -{ - switch(id) - { - case 0: - ymf262_timer_over(m_chip,0); - break; - - case 1: - ymf262_timer_over(m_chip,1); - break; - } -} - - -void ymf262_device::timer_handler(int c, const attotime &period) -{ - if( period == attotime::zero ) - { /* Reset FM Timer */ - m_timer[c]->enable(false); - } - else - { /* Start FM Timer */ - m_timer[c]->adjust(period); - } -} - - - -//------------------------------------------------- -// sound_stream_update - handle a stream update -//------------------------------------------------- - -void ymf262_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) -{ - ymf262_update_one(m_chip, outputs); -} - -//------------------------------------------------- -// device_post_load - device-specific post load -//------------------------------------------------- -void ymf262_device::device_post_load() -{ - ymf262_post_load(m_chip); -} - -//------------------------------------------------- -// device_start - device-specific startup -//------------------------------------------------- - -void ymf262_device::device_start() -{ - int rate = clock()/288; - - m_irq_handler.resolve(); - - /* stream system initialize */ - m_chip = ymf262_init(this,clock(),rate); - if (!m_chip) - throw emu_fatalerror("ymf262_device(%s): Error creating YMF262 chip", tag()); - - m_stream = stream_alloc(0,4,rate); - - /* YMF262 setup */ - ymf262_set_timer_handler (m_chip, &ymf262_device::static_timer_handler, this); - ymf262_set_irq_handler (m_chip, &ymf262_device::static_irq_handler, this); - ymf262_set_update_handler(m_chip, &ymf262_device::static_update_request, this); - - m_timer[0] = timer_alloc(0); - m_timer[1] = timer_alloc(1); -} - -//------------------------------------------------- -// device_stop - device-specific stop -//------------------------------------------------- - -void ymf262_device::device_stop() -{ - ymf262_shutdown(m_chip); -} - -//------------------------------------------------- -// device_reset - device-specific reset -//------------------------------------------------- - -void ymf262_device::device_reset() -{ - ymf262_reset_chip(m_chip); -} - -//------------------------------------------------- -// device_clock_changed - called if the clock -// changes -//------------------------------------------------- - -void ymf262_device::device_clock_changed() -{ - int rate = clock()/288; - ymf262_clock_changed(m_chip,clock(),rate); - m_stream->set_sample_rate(rate); -} - -u8 ymf262_device::read(offs_t offset) -{ - return ymf262_read(m_chip, offset & 3); -} - -void ymf262_device::write(offs_t offset, u8 data) -{ - ymf262_write(m_chip, offset & 3, data); -} - -DEFINE_DEVICE_TYPE(YMF262, ymf262_device, "ymf262", "YMF262 OPL3") - -ymf262_device::ymf262_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : device_t(mconfig, YMF262, tag, owner, clock) - , device_sound_interface(mconfig, *this) - , m_stream(nullptr) - , m_timer{ nullptr, nullptr } - , m_chip(nullptr) - , m_irq_handler(*this) -{ -} |