// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /*************************************************************************** ISA 8 bit Adlib Sound Card ***************************************************************************/ #include "emu.h" #include "adlib.h" #include "sound/spkrdev.h" #include "speaker.h" #define ym3812_StdClock 3579545 uint8_t isa8_adlib_device::ym3812_16_r(offs_t offset) { uint8_t retVal = 0xff; switch(offset) { case 0 : retVal = m_ym3812->status_port_r(); break; } return retVal; } void isa8_adlib_device::ym3812_16_w(offs_t offset, uint8_t data) { switch(offset) { case 0 : m_ym3812->control_port_w(data); break; case 1 : m_ym3812->write_port_w(data); break; } } //************************************************************************** // GLOBAL VARIABLES //************************************************************************** DEFINE_DEVICE_TYPE(ISA8_ADLIB, isa8_adlib_device, "isa_adlib", "Ad Lib Sound Card") //------------------------------------------------- // device_add_mconfig - add device configuration //------------------------------------------------- void isa8_adlib_device::device_add_mconfig(machine_config &config) { SPEAKER(config, "mono").front_center(); YM3812(config, m_ym3812, ym3812_StdClock).add_route(ALL_OUTPUTS, "mono", 3.00); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // isa8_adlib_device - constructor //------------------------------------------------- isa8_adlib_device::isa8_adlib_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, ISA8_ADLIB, tag, owner, clock) , device_isa8_card_interface(mconfig, *this) , m_ym3812(*this, "ym3812") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void isa8_adlib_device::device_start() { set_isa_device(); m_isa->install_device(0x0388, 0x0389, read8sm_delegate(*this, FUNC(isa8_adlib_device::ym3812_16_r)), write8sm_delegate(*this, FUNC(isa8_adlib_device::ym3812_16_w))); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void isa8_adlib_device::device_reset() { }