// license:BSD-3-Clause // copyright-holders:Wilbert Pol, Miodrag Milanovic /***************************************************************************** * * includes/pc.h * ****************************************************************************/ #ifndef MAME_MACHINE_GENPC_H #define MAME_MACHINE_GENPC_H #include "imagedev/cassette.h" #include "machine/am9517a.h" #include "machine/i8255.h" #include "machine/ins8250.h" #include "machine/pic8259.h" #include "machine/pit8253.h" #include "machine/ram.h" #include "sound/spkrdev.h" #include "bus/isa/isa.h" #include "bus/isa/isa_cards.h" #include "bus/pc_kbd/pc_kbdc.h" #define MCFG_IBM5160_MOTHERBOARD_ADD(_tag, _cputag) \ MCFG_DEVICE_ADD(_tag, IBM5160_MOTHERBOARD, 0) \ downcast(*device).set_cputag(_cputag); \ (*device->subdevice("isa")).set_cputag(_cputag); // ======================> ibm5160_mb_device class ibm5160_mb_device : public device_t { public: // construction/destruction ibm5160_mb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // inline configuration void set_cputag(const char *tag) { m_maincpu.set_tag(tag); } void map(address_map &map); uint8_t m_pit_out2; DECLARE_WRITE8_MEMBER(pc_page_w); DECLARE_WRITE8_MEMBER(nmi_enable_w); DECLARE_WRITE_LINE_MEMBER( pc_speaker_set_spkrdata ); DECLARE_WRITE_LINE_MEMBER( pc_pit8253_out1_changed ); DECLARE_WRITE_LINE_MEMBER( pc_pit8253_out2_changed ); DECLARE_WRITE_LINE_MEMBER( pic_int_w ); protected: ibm5160_mb_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; virtual void device_reset() override; // optional information overrides virtual void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; protected: required_device m_maincpu; public: required_device m_pic8259; required_device m_pit8253; required_device m_dma8237; protected: optional_device m_ppi8255; required_device m_speaker; required_device m_isabus; optional_device m_pc_kbdc; required_device m_ram; /* U73 is an LS74 - dual flip flop */ /* Q2 is set by OUT1 from the 8253 and goes to DRQ1 on the 8237 */ uint8_t m_u73_q2; uint8_t m_out1; int m_dma_channel; uint8_t m_dma_offset[4]; uint8_t m_pc_spkrdata; bool m_cur_eop; uint8_t m_nmi_enabled; int m_ppi_portc_switch_high; int m_ppi_speaker; int m_ppi_keyboard_clear; uint8_t m_ppi_keyb_clock; uint8_t m_ppi_portb; uint8_t m_ppi_clock_signal; uint8_t m_ppi_data_signal; uint8_t m_ppi_shift_register; uint8_t m_ppi_shift_enable; // interface to the keyboard DECLARE_WRITE_LINE_MEMBER( keyboard_clock_w ); DECLARE_WRITE_LINE_MEMBER( keyboard_data_w ); DECLARE_READ8_MEMBER ( pc_ppi_porta_r ); DECLARE_READ8_MEMBER ( pc_ppi_portc_r ); DECLARE_WRITE8_MEMBER( pc_ppi_portb_w ); DECLARE_WRITE_LINE_MEMBER( pc_dma_hrq_changed ); DECLARE_WRITE_LINE_MEMBER( pc_dma8237_out_eop ); DECLARE_READ8_MEMBER( pc_dma_read_byte ); DECLARE_WRITE8_MEMBER( pc_dma_write_byte ); DECLARE_READ8_MEMBER( pc_dma8237_1_dack_r ); DECLARE_READ8_MEMBER( pc_dma8237_2_dack_r ); DECLARE_READ8_MEMBER( pc_dma8237_3_dack_r ); DECLARE_WRITE8_MEMBER( pc_dma8237_1_dack_w ); DECLARE_WRITE8_MEMBER( pc_dma8237_2_dack_w ); DECLARE_WRITE8_MEMBER( pc_dma8237_3_dack_w ); DECLARE_WRITE8_MEMBER( pc_dma8237_0_dack_w ); DECLARE_WRITE_LINE_MEMBER( pc_dack0_w ); DECLARE_WRITE_LINE_MEMBER( pc_dack1_w ); DECLARE_WRITE_LINE_MEMBER( pc_dack2_w ); DECLARE_WRITE_LINE_MEMBER( pc_dack3_w ); void pc_select_dma_channel(int channel, bool state); }; // device type definition DECLARE_DEVICE_TYPE(IBM5160_MOTHERBOARD, ibm5160_mb_device) #define MCFG_IBM5150_MOTHERBOARD_ADD(_tag, _cputag) \ MCFG_DEVICE_ADD(_tag, IBM5150_MOTHERBOARD, 0) \ downcast(*device).set_cputag(_cputag); \ (*device->subdevice("isa")).set_cputag(_cputag); // ======================> ibm5150_mb_device class ibm5150_mb_device : public ibm5160_mb_device { public: // construction/destruction ibm5150_mb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); DECLARE_WRITE_LINE_MEMBER( keyboard_clock_w ); protected: ibm5150_mb_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // optional information overrides virtual void device_add_mconfig(machine_config &config) override; private: required_device m_cassette; DECLARE_READ8_MEMBER ( pc_ppi_porta_r ); DECLARE_READ8_MEMBER ( pc_ppi_portc_r ); DECLARE_WRITE8_MEMBER( pc_ppi_portb_w ); }; // device type definition DECLARE_DEVICE_TYPE(IBM5150_MOTHERBOARD, ibm5150_mb_device) #define MCFG_EC1841_MOTHERBOARD_ADD(_tag, _cputag) \ MCFG_DEVICE_ADD(_tag, EC1841_MOTHERBOARD, 0) \ downcast(*device).set_cputag(_cputag); \ (*device->subdevice("isa")).set_cputag(_cputag); class ec1841_mb_device : public ibm5160_mb_device { public: // construction/destruction ec1841_mb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // optional information overrides virtual void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; virtual void device_start() override; private: DECLARE_READ8_MEMBER ( pc_ppi_portc_r ); DECLARE_WRITE8_MEMBER( pc_ppi_portb_w ); DECLARE_WRITE_LINE_MEMBER( keyboard_clock_w ); }; DECLARE_DEVICE_TYPE(EC1841_MOTHERBOARD, ec1841_mb_device) #define MCFG_PCNOPPI_MOTHERBOARD_ADD(_tag, _cputag) \ MCFG_DEVICE_ADD(_tag, PCNOPPI_MOTHERBOARD, 0) \ downcast(*device).set_cputag(_cputag); \ (*device->subdevice("isa")).set_cputag(_cputag); class pc_noppi_mb_device : public ibm5160_mb_device { public: // construction/destruction pc_noppi_mb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); uint8_t pit_out2() { return m_pit_out2; } // helper for near-clones with multifunction ics instead of 8255s void map(address_map &map); protected: pc_noppi_mb_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; }; DECLARE_DEVICE_TYPE(PCNOPPI_MOTHERBOARD, pc_noppi_mb_device) #endif // MAME_MACHINE_GENPC_H