summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/pc98_cbus/pc9801_86.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/pc98_cbus/pc9801_86.h')
-rw-r--r--src/devices/bus/pc98_cbus/pc9801_86.h140
1 files changed, 140 insertions, 0 deletions
diff --git a/src/devices/bus/pc98_cbus/pc9801_86.h b/src/devices/bus/pc98_cbus/pc9801_86.h
new file mode 100644
index 00000000000..776393d9be6
--- /dev/null
+++ b/src/devices/bus/pc98_cbus/pc9801_86.h
@@ -0,0 +1,140 @@
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese
+/***************************************************************************
+
+ NEC PC-9801-86
+
+***************************************************************************/
+
+#ifndef MAME_BUS_PC98_CBUS_PC9801_86_H
+#define MAME_BUS_PC98_CBUS_PC9801_86_H
+
+#pragma once
+
+#include "slot.h"
+
+#include "bus/msx/ctrl/ctrl.h"
+#include "machine/input_merger.h"
+#include "sound/dac.h"
+#include "sound/ymopn.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> pc9801_86_device
+
+class pc9801_86_device : public device_t
+{
+public:
+ // construction/destruction
+ pc9801_86_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ static constexpr feature_type unemulated_features() { return feature::MICROPHONE; }
+ static constexpr feature_type imperfect_features() { return feature::SOUND; }
+
+protected:
+ pc9801_86_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ void io_map(address_map &map) ATTR_COLD;
+ u8 pcm_control_r();
+ void pcm_control_w(u8 data);
+
+ // device-level overrides
+ virtual void device_validity_check(validity_checker &valid) const override;
+ virtual void device_start() override ATTR_COLD;
+ virtual void device_reset() override ATTR_COLD;
+ // optional information overrides
+ virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+ void opna_reset_routes_config(machine_config &config);
+ virtual ioport_constructor device_input_ports() const override ATTR_COLD;
+ virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
+ void pc9801_86_config(machine_config &config);
+ u16 read_io_base();
+
+ TIMER_CALLBACK_MEMBER(dac_tick);
+
+ required_device<pc98_cbus_slot_device> m_bus;
+ required_device<ym2608_device> m_opna;
+ required_device<input_merger_device> m_irqs;
+
+ void opna_map(address_map &map) ATTR_COLD;
+
+ u8 opna_r(offs_t offset);
+ void opna_w(offs_t offset, u8 data);
+ virtual u8 id_r();
+ void mask_w(u8 data);
+
+ u8 m_mask;
+
+private:
+ int queue_count();
+ u8 queue_pop();
+
+ u8 m_pcm_mode, m_vol[7], m_pcm_ctrl, m_pcm_mute;
+ uint16_t m_head, m_tail, m_count, m_irq_rate;
+ bool m_pcmirq, m_pcm_clk, m_init;
+ required_device<dac_16bit_r2r_twos_complement_device> m_ldac;
+ required_device<dac_16bit_r2r_twos_complement_device> m_rdac;
+ std::vector<u8> m_queue;
+ required_device<msx_general_purpose_port_device> m_joy;
+
+ emu_timer *m_dac_timer;
+
+ void dac_transfer();
+
+ u8 m_joy_sel;
+ u16 m_io_base;
+};
+
+class pc9801_speakboard_device : public pc9801_86_device
+{
+public:
+ // construction/destruction
+ pc9801_speakboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ static constexpr feature_type imperfect_features() { return feature::SOUND; }
+
+ u8 opna_slave_r(offs_t offset);
+ void opna_slave_w(offs_t offset, u8 data);
+
+protected:
+ virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+ virtual void device_start() override ATTR_COLD;
+ virtual void device_reset() override ATTR_COLD;
+ virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
+
+private:
+ required_device<ym2608_device> m_opna_slave;
+};
+
+class otomichan_kai_device : public pc9801_86_device
+{
+public:
+ // construction/destruction
+ otomichan_kai_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ static constexpr feature_type imperfect_features() { return feature::SOUND; }
+
+ u8 opn2c_r(offs_t offset);
+ void opn2c_w(offs_t offset, u8 data);
+
+protected:
+ virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+ virtual void device_start() override ATTR_COLD;
+ virtual void device_reset() override ATTR_COLD;
+ virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
+
+private:
+ required_device<ym3438_device> m_opn2c;
+
+ virtual u8 id_r() override;
+};
+
+// device type definition
+DECLARE_DEVICE_TYPE(PC9801_86, pc9801_86_device)
+DECLARE_DEVICE_TYPE(PC9801_SPEAKBOARD, pc9801_speakboard_device)
+DECLARE_DEVICE_TYPE(OTOMICHAN_KAI, otomichan_kai_device)
+
+
+#endif // MAME_BUS_PC98_CBUS_PC9801_86_H