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Diffstat (limited to 'src/devices/bus/isa/ibm_speech.h')
-rw-r--r-- | src/devices/bus/isa/ibm_speech.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/devices/bus/isa/ibm_speech.h b/src/devices/bus/isa/ibm_speech.h new file mode 100644 index 00000000000..eb6ca256e05 --- /dev/null +++ b/src/devices/bus/isa/ibm_speech.h @@ -0,0 +1,83 @@ +// license:BSD-3-Clause +// copyright-holders:Katherine Rohl + +#ifndef MAME_BUS_ISA_IBM_SPEECH_H +#define MAME_BUS_ISA_IBM_SPEECH_H + +#pragma once + +#include "isa.h" +#include "machine/i8255.h" +#include "machine/pit8253.h" +#include "sound/tms5220.h" +#include "sound/hc55516.h" +#include "sound/spkrdev.h" +#include "speaker.h" + +class isa8_ibm_speech_device : + public device_t, + public device_isa8_card_interface +{ +public: + isa8_ibm_speech_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + uint8_t audio_control_latch_r(); + void audio_control_latch_w(uint8_t data); + + uint8_t shift_register_r(); + void shift_register_w(uint8_t data); + +protected: + // device_t implementation + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + virtual void device_reset_after_children() override; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + +private: + required_device<tms5220_device> m_lpc; + required_device<mc3418_device> m_cvsd; + required_device<speaker_sound_device> m_dac1bit; + required_device<pit8254_device> m_pit; + required_device<i8255_device> m_ppi; + required_device<speaker_device> m_speaker; + required_region_ptr<uint8_t> m_rom; + + void cvsd_clock_w(int state); // PIT CH0 + void cvsd_frame_w(int state); // PIT CH1 + void int_clock_w(int state); // PIT CH2 + void lpc_interrupt_w(int state); // 5220 INT# + void cvsd_shiftreg_clk_w(int state); // SRCLK + + uint8_t porta_r(); + uint8_t portc_r(); + + void porta_w(uint8_t data); + void portc_w(uint8_t data); + + void rom_page_w(uint8_t data); + void channel_mux_w(uint8_t data); + + bool m_lpc_interrupt; + bool m_lpc_running; + + bool m_cvsd_clock; + bool m_cvsd_frame; + bool m_cvsd_ed; + + bool m_sr_clk; + bool m_beeper_gate; + + bool m_acl_int_ena; + bool m_acl_chan_ena; + + uint8_t m_channel_mux; + uint8_t m_cvsd_sr_bits_remaining; + uint8_t m_cvsd_sr_parallel; + uint8_t m_cvsd_sr_serial; +}; + +DECLARE_DEVICE_TYPE(ISA8_IBM_SPEECH, isa8_ibm_speech_device) + +#endif // MAME_BUS_ISA_IBM_SPEECH_H |