// license:BSD-3-Clause // copyright-holders:Nathan Woods #ifndef MAME_INCLUDES_ATOM_H #define MAME_INCLUDES_ATOM_H #pragma once #include "cpu/m6502/m6502.h" #include "imagedev/cassette.h" #include "imagedev/floppy.h" #include "imagedev/snapquik.h" #include "machine/6522via.h" #include "machine/i8255.h" #include "machine/i8271.h" #include "machine/ram.h" #include "machine/timer.h" #include "sound/spkrdev.h" #include "video/mc6847.h" #include "bus/centronics/ctronics.h" #include "bus/generic/carts.h" #include "bus/generic/slot.h" #include "formats/atom_dsk.h" #include "formats/atom_tap.h" #include "formats/uef_cas.h" #define SY6502_TAG "ic22" #define INS8255_TAG "ic25" #define MC6847_TAG "ic31" #define R6522_TAG "ic1" #define I8271_TAG "ic13" #define MC6854_TAG "econet_ic1" #define CENTRONICS_TAG "centronics" #define BASERAM_TAG "baseram" #define X1 XTAL(3'579'545) // MC6847 Clock #define X2 XTAL(4'000'000) // CPU Clock - a divider reduces it to 1MHz class atom_state : public driver_device { public: atom_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, SY6502_TAG) , m_vdg(*this, MC6847_TAG) , m_cassette(*this, "cassette") , m_fdc(*this, I8271_TAG) , m_centronics(*this, CENTRONICS_TAG) , m_speaker(*this, "speaker") , m_cart(*this, "cartslot") , m_vram(*this, "videoram") , m_io_keyboard(*this, "Y%u", 0U) , m_ppi(*this, INS8255_TAG) , m_via(*this, R6522_TAG) { } void atombb(machine_config &config); void atom(machine_config &config); void atom_common(machine_config &config); DECLARE_INPUT_CHANGED_MEMBER( trigger_reset ); protected: required_device m_maincpu; required_device m_vdg; required_device m_cassette; optional_device m_fdc; required_device m_centronics; required_device m_speaker; optional_device m_cart; required_shared_ptr m_vram; required_ioport_array<12> m_io_keyboard; required_device m_ppi; required_device m_via; virtual void machine_start() override; virtual void machine_reset() override; void ppi_pa_w(uint8_t data); uint8_t ppi_pb_r(); uint8_t ppi_pc_r(); void ppi_pc_w(uint8_t data); uint8_t vdg_videoram_r(offs_t offset); DECLARE_WRITE_LINE_MEMBER( atom_8271_interrupt_callback ); DECLARE_WRITE_LINE_MEMBER( motor_w ); /* keyboard state */ u8 m_keylatch = 0U; /* cassette state */ bool m_hz2400 = 0; bool m_pc0 = 0; bool m_pc1 = 0; /* devices */ bool m_previous_i8271_int_state = false; static void floppy_formats(format_registration &fr); DECLARE_WRITE_LINE_MEMBER(cassette_output_tick); image_init_result load_cart(device_image_interface &image, generic_slot_device &slot); DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load) { return load_cart(image, *m_cart); } DECLARE_QUICKLOAD_LOAD_MEMBER(quickload_cb); void atom_mem(address_map &map); void atombb_mem(address_map &map); void prophet_mem(address_map &map); }; class atomeb_state : public atom_state { public: atomeb_state(const machine_config &mconfig, device_type type, const char *tag) : atom_state(mconfig, type, tag) , m_ext(*this, "rom_a%x", 0) , m_e0(*this, "rom_e0") , m_e1(*this, "rom_e1") { } void atomeb(machine_config &config); private: void machine_start() override; void machine_reset() override; uint8_t eprom_r(); void eprom_w(uint8_t data); uint8_t ext_r(offs_t offset); uint8_t dos_r(offs_t offset); /* eprom state */ u8 m_eprom = 0; required_device_array m_ext; required_device m_e0; required_device m_e1; template DECLARE_DEVICE_IMAGE_LOAD_MEMBER(ext_load) { return load_cart(image, *m_ext[I]); } DECLARE_DEVICE_IMAGE_LOAD_MEMBER(e0_load) { return load_cart(image, *m_e0); } DECLARE_DEVICE_IMAGE_LOAD_MEMBER(e1_load) { return load_cart(image, *m_e1); } void atomeb_mem(address_map &map); }; #endif // MAME_INCLUDES_ATOM_H