diff options
Diffstat (limited to 'src/devices/bus/a2bus/a2sam.c')
-rw-r--r-- | src/devices/bus/a2bus/a2sam.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/a2sam.c b/src/devices/bus/a2bus/a2sam.c new file mode 100644 index 00000000000..7cdabc64b74 --- /dev/null +++ b/src/devices/bus/a2bus/a2sam.c @@ -0,0 +1,87 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont +/********************************************************************* + + a2sam.c + + Implementation of the S.A.M. "Software Automated Mouth" card + +*********************************************************************/ + +#include "a2sam.h" +#include "includes/apple2.h" +#include "sound/dac.h" + +/*************************************************************************** + PARAMETERS +***************************************************************************/ + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +const device_type A2BUS_SAM = &device_creator<a2bus_sam_device>; + +#define DAC_TAG "dac" + +MACHINE_CONFIG_FRAGMENT( a2sam ) + MCFG_SPEAKER_STANDARD_MONO("samspkr") + MCFG_SOUND_ADD(DAC_TAG, DAC, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "samspkr", 1.00) +MACHINE_CONFIG_END + +/*************************************************************************** + FUNCTION PROTOTYPES +***************************************************************************/ + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor a2bus_sam_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( a2sam ); +} + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +a2bus_sam_device::a2bus_sam_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) : + device_t(mconfig, type, name, tag, owner, clock, shortname, source), + device_a2bus_card_interface(mconfig, *this), + m_dac(*this, DAC_TAG) +{ +} + +a2bus_sam_device::a2bus_sam_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, A2BUS_SAM, "Don't Ask Software SAM", tag, owner, clock, "a2sam", __FILE__), + device_a2bus_card_interface(mconfig, *this), + m_dac(*this, DAC_TAG) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void a2bus_sam_device::device_start() +{ + // set_a2bus_device makes m_slot valid + set_a2bus_device(); +} + +void a2bus_sam_device::device_reset() +{ +} + +void a2bus_sam_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data) +{ + m_dac->write_unsigned8(data); +} + +bool a2bus_sam_device::take_c800() +{ + return false; +} |