// license:BSD-3-Clause // copyright-holders:Lee Ward, Dirk Best, Curt Coder /************************************************************************* Memotech MTX 500, MTX 512 and RS 128 *************************************************************************/ #ifndef MAME_INCLUDES_MTX_H #define MAME_INCLUDES_MTX_H #include "imagedev/snapquik.h" #include "imagedev/cassette.h" #include "bus/centronics/ctronics.h" #include "bus/generic/slot.h" #include "bus/generic/carts.h" #include "bus/mtx/exp.h" #include "cpu/z80/z80.h" #include "machine/z80daisy.h" #include "machine/z80sio.h" #include "machine/z80ctc.h" #include "sound/sn76496.h" #include "machine/ram.h" #include "machine/timer.h" class mtx_state : public driver_device { public: mtx_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_cassold(0) , m_maincpu(*this, "z80") , m_sn(*this, "sn76489a") , m_z80ctc(*this, "z80ctc") , m_z80dart(*this, "z80dart") , m_cassette(*this, "cassette") , m_centronics(*this, "centronics") , m_keyboard(*this, "ROW%u", 0U) , m_joystick(*this, "JOY%u", 0U) , m_joysticks(*this, "JOYSTICKS") , m_reset(*this, "RESET") , m_country(*this, "SWA") , m_ram(*this, RAM_TAG) , m_exp_int(*this, "exp_int") , m_exp_ext(*this, "exp_ext") , m_extrom(*this, "extrom") , m_rammap_bank1(*this, "rammap_bank1") , m_rammap_bank2(*this, "rammap_bank2") , m_rammap_bank3(*this, "rammap_bank3") , m_rommap_bank1(*this, "rommap_bank1") , m_rommap_bank2(*this, "rommap_bank2") , m_rommap_bank3(*this, "rommap_bank3") { } void rs128(machine_config &config); void mtx500(machine_config &config); void mtx512(machine_config &config); DECLARE_INPUT_CHANGED_MEMBER(trigger_reset); protected: virtual void machine_start() override; virtual void machine_reset() override; private: bool m_cassold; required_device m_maincpu; required_device m_sn; required_device m_z80ctc; optional_device m_z80dart; required_device m_cassette; required_device m_centronics; required_ioport_array<8> m_keyboard; required_ioport_array<8> m_joystick; required_ioport m_joysticks; required_ioport m_reset; required_ioport m_country; required_device m_ram; required_device m_exp_int; required_device m_exp_ext; required_device m_extrom; memory_bank_creator m_rammap_bank1; memory_bank_creator m_rammap_bank2; memory_bank_creator m_rammap_bank3; memory_bank_creator m_rommap_bank1; memory_bank_creator m_rommap_bank2; memory_bank_creator m_rommap_bank3; /* keyboard state */ uint8_t m_key_sense = 0; /* video state */ uint8_t *m_video_ram = nullptr; uint8_t *m_attr_ram = nullptr; /* sound state */ uint8_t m_sound_latch = 0; /* timers */ device_t *m_cassette_timer = nullptr; int m_centronics_busy = 0; int m_centronics_fault = 0; int m_centronics_perror = 0; int m_centronics_select = 0; void mtx_subpage_w(uint8_t data); void mtx_bankswitch_w(uint8_t data); void mtx_sound_latch_w(uint8_t data); void mtx_sense_w(uint8_t data); uint8_t mtx_key_lo_r(); uint8_t mtx_key_hi_r(); void hrx_address_w(offs_t offset, uint8_t data); uint8_t hrx_data_r(); void hrx_data_w(uint8_t data); uint8_t hrx_attr_r(); void hrx_attr_w(uint8_t data); TIMER_DEVICE_CALLBACK_MEMBER(ctc_tick); TIMER_DEVICE_CALLBACK_MEMBER(cassette_tick); DECLARE_WRITE_LINE_MEMBER(ctc_trg1_w); DECLARE_WRITE_LINE_MEMBER(ctc_trg2_w); uint8_t mtx_strobe_r(); uint8_t mtx_sound_strobe_r(); void mtx_cst_w(uint8_t data); void mtx_cst_motor_w(uint8_t data); uint8_t mtx_prt_r(); DECLARE_WRITE_LINE_MEMBER(write_centronics_busy); DECLARE_WRITE_LINE_MEMBER(write_centronics_fault); DECLARE_WRITE_LINE_MEMBER(write_centronics_perror); DECLARE_WRITE_LINE_MEMBER(write_centronics_select); void bankswitch(uint8_t data); DECLARE_DEVICE_IMAGE_LOAD_MEMBER(extrom_load); DECLARE_QUICKLOAD_LOAD_MEMBER(quickload_cb); DECLARE_SNAPSHOT_LOAD_MEMBER(snapshot_cb); void mtx_io(address_map &map); void mtx_mem(address_map &map); void rs128_io(address_map &map); }; #endif // MAME_INCLUDES_MTX_H