// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /***************************************************************************** * * includes/b2m.h * ****************************************************************************/ #ifndef MAME_INCLUDES_B2M_H #define MAME_INCLUDES_B2M_H #pragma once #include "imagedev/floppy.h" #include "machine/i8255.h" #include "machine/pic8259.h" #include "machine/pit8253.h" #include "machine/ram.h" #include "machine/wd_fdc.h" #include "sound/spkrdev.h" #include "emupal.h" class b2m_state : public driver_device { public: b2m_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_speaker(*this, "speaker") , m_pit(*this, "pit") , m_ram(*this, RAM_TAG) , m_palette(*this, "palette") , m_fdc(*this, "fdc") , m_fd(*this, "fdc:%u", 0U) , m_pic(*this, "pic") { } void b2mrom(machine_config &config); void b2m(machine_config &config); private: uint8_t keyboard_r(offs_t offset); void palette_w(offs_t offset, uint8_t data); uint8_t palette_r(offs_t offset); void localmachine_w(uint8_t data); uint8_t localmachine_r(); void b2m_palette(palette_device &palette) const; uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); INTERRUPT_GEN_MEMBER(vblank_interrupt); DECLARE_WRITE_LINE_MEMBER(pit_out1); void ppi1_porta_w(uint8_t data); void ppi1_portb_w(uint8_t data); void ppi1_portc_w(uint8_t data); uint8_t ppi1_portb_r(); void ppi2_portc_w(uint8_t data); uint8_t romdisk_porta_r(); void romdisk_portb_w(uint8_t data); void romdisk_portc_w(uint8_t data); DECLARE_WRITE_LINE_MEMBER(fdc_drq); static void b2m_floppy_formats(format_registration &fr); void b2m_io(address_map &map); void b2m_mem(address_map &map); void b2m_rom_io(address_map &map); void machine_start() override; void machine_reset() override; void postload(); void set_bank(int bank); uint8_t m_porta = 0U; uint8_t m_video_scroll = 0U; uint8_t m_portc = 0U; uint8_t m_video_page = 0U; uint8_t m_romdisk_lsb = 0U; uint8_t m_romdisk_msb = 0U; uint8_t m_color[4]{}; uint8_t m_localmachine = 0U; uint8_t m_vblank_state = 0U; required_device m_maincpu; required_device m_speaker; required_device m_pit; required_device m_ram; required_device m_palette; /* devices */ optional_device m_fdc; optional_device_array m_fd; optional_device m_pic; }; #endif // MAME_INCLUDES_B2M_H