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-rw-r--r--src/devices/bus/spectrum/lprint.h185
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diff --git a/src/devices/bus/spectrum/lprint.h b/src/devices/bus/spectrum/lprint.h
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+// license:BSD-3-Clause
+// copyright-holders:MetalliC
+/*********************************************************************
+
+ Common printer interfaces
+
+*********************************************************************/
+#ifndef MAME_BUS_SPECTRUM_LPRINT_H
+#define MAME_BUS_SPECTRUM_LPRINT_H
+
+#include "exp.h"
+#include "bus/centronics/ctronics.h"
+#include "bus/rs232/rs232.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class spectrum_lprint_device :
+ public device_t,
+ public device_spectrum_expansion_interface
+
+{
+public:
+ // construction/destruction
+ spectrum_lprint_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // device-level overrides
+ 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;
+ virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
+
+ virtual void pre_opcode_fetch(offs_t offset) override;
+ virtual void pre_data_fetch(offs_t offset) override;
+ virtual uint8_t mreq_r(offs_t offset) override;
+ virtual uint8_t iorq_r(offs_t offset) override;
+ virtual void iorq_w(offs_t offset, uint8_t data) override;
+ virtual bool romcs() override;
+
+ void busy_w(int state) { m_busy = state; }
+
+ required_memory_region m_rom;
+ required_device<centronics_device> m_centronics;
+
+ bool m_romcs;
+ int m_busy;
+};
+
+class spectrum_lprint3_device :
+ public device_t,
+ public device_spectrum_expansion_interface
+
+{
+public:
+ // construction/destruction
+ spectrum_lprint3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // device-level overrides
+ 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;
+ virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
+
+ virtual uint8_t mreq_r(offs_t offset) override;
+ virtual uint8_t iorq_r(offs_t offset) override;
+ virtual void iorq_w(offs_t offset, uint8_t data) override;
+ virtual bool romcs() override;
+
+ // passthru
+ virtual void pre_opcode_fetch(offs_t offset) override { m_exp->pre_opcode_fetch(offset); }
+ virtual void post_opcode_fetch(offs_t offset) override { m_exp->post_opcode_fetch(offset); }
+ virtual void pre_data_fetch(offs_t offset) override { m_exp->pre_data_fetch(offset); }
+ virtual void post_data_fetch(offs_t offset) override { m_exp->post_data_fetch(offset); }
+ virtual void mreq_w(offs_t offset, uint8_t data) override { if (m_exp->romcs()) m_exp->mreq_w(offset, data); }
+
+ void busy_w(int state) { m_busy = state; }
+
+ required_memory_region m_rom;
+ required_device<centronics_device> m_centronics;
+ required_device<rs232_port_device> m_rs232;
+ required_device<spectrum_expansion_slot_device> m_exp;
+
+ bool m_romcs;
+ int m_busy;
+};
+
+class spectrum_kempcentrs_device :
+ public device_t,
+ public device_spectrum_expansion_interface
+
+{
+public:
+ // construction/destruction
+ spectrum_kempcentrs_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // device-level overrides
+ 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;
+
+ virtual uint8_t iorq_r(offs_t offset) override;
+ virtual void iorq_w(offs_t offset, uint8_t data) override;
+
+ void busy_w(int state) { m_busy = state; }
+
+ required_device<centronics_device> m_centronics;
+
+ int m_busy;
+};
+
+class spectrum_kempcentre_device :
+ public device_t,
+ public device_spectrum_expansion_interface
+
+{
+public:
+ // construction/destruction
+ spectrum_kempcentre_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ spectrum_kempcentre_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ // device-level overrides
+ 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;
+ virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
+
+ virtual void pre_opcode_fetch(offs_t offset) override;
+ virtual void pre_data_fetch(offs_t offset) override;
+ virtual uint8_t mreq_r(offs_t offset) override;
+ virtual uint8_t iorq_r(offs_t offset) override;
+ virtual void iorq_w(offs_t offset, uint8_t data) override;
+ virtual bool romcs() override;
+
+ void busy_w(int state) { m_busy = state; }
+
+ required_memory_region m_rom;
+ required_device<centronics_device> m_centronics;
+
+ int m_active;
+ bool m_romcs;
+ int m_busy;
+};
+
+class spectrum_kempcentreu_device :
+ public spectrum_kempcentre_device
+{
+public:
+ // construction/destruction
+ spectrum_kempcentreu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start() override ATTR_COLD;
+
+ // optional information overrides
+ virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
+
+ virtual void pre_opcode_fetch(offs_t offset) override;
+ virtual uint8_t iorq_r(offs_t offset) override;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(SPECTRUM_LPRINT, spectrum_lprint_device)
+DECLARE_DEVICE_TYPE(SPECTRUM_LPRINT3, spectrum_lprint3_device)
+DECLARE_DEVICE_TYPE(SPECTRUM_KEMPCENTRS, spectrum_kempcentrs_device)
+DECLARE_DEVICE_TYPE(SPECTRUM_KEMPCENTREF, spectrum_kempcentre_device)
+DECLARE_DEVICE_TYPE(SPECTRUM_KEMPCENTREU, spectrum_kempcentreu_device)
+
+
+#endif // MAME_BUS_SPECTRUM_LPRINT_H