// license:BSD-3-Clause // copyright-holders:Curt Coder #ifndef MAME_INCLUDES_VIXEN_H #define MAME_INCLUDES_VIXEN_H #pragma once #include "bus/rs232/rs232.h" #include "cpu/z80/z80.h" #include "imagedev/floppy.h" #include "machine/i8155.h" #include "machine/i8251.h" #include "machine/timer.h" #include "bus/ieee488/ieee488.h" #include "machine/ram.h" #include "machine/wd_fdc.h" #include "sound/discrete.h" #include "emupal.h" #define Z8400A_TAG "5f" #define FDC1797_TAG "5n" #define P8155H_TAG "2n" #define P8155H_IO_TAG "c7" #define P8251A_TAG "c3" #define DISCRETE_TAG "discrete" #define SCREEN_TAG "screen" #define RS232_TAG "rs232" class vixen_state : public driver_device { public: vixen_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, Z8400A_TAG) , m_fdc(*this, FDC1797_TAG) , m_io_i8155(*this, P8155H_IO_TAG) , m_usart(*this, P8251A_TAG) , m_discrete(*this, DISCRETE_TAG) , m_ieee488(*this, IEEE488_TAG) , m_palette(*this, "palette") , m_ram(*this, RAM_TAG) , m_floppy0(*this, FDC1797_TAG":0") , m_floppy1(*this, FDC1797_TAG":1") , m_rs232(*this, RS232_TAG) , m_rom(*this, Z8400A_TAG) , m_sync_rom(*this, "video") , m_char_rom(*this, "chargen") , m_video_ram(*this, "video_ram") , m_key(*this, "KEY.%u", 0) , m_cmd_d1(0) , m_fdint(0) , m_vsync(0) , m_srq(1) , m_atn(1) , m_rxrdy(0) , m_txrdy(0) { } void vixen(machine_config &config); void init_vixen(); private: uint8_t status_r(); void cmd_w(uint8_t data); uint8_t ieee488_r(); uint8_t port3_r(); uint8_t i8155_pa_r(); void i8155_pb_w(uint8_t data); void i8155_pc_w(uint8_t data); void io_i8155_pb_w(uint8_t data); void io_i8155_pc_w(uint8_t data); DECLARE_WRITE_LINE_MEMBER( io_i8155_to_w ); DECLARE_WRITE_LINE_MEMBER( srq_w ); DECLARE_WRITE_LINE_MEMBER( atn_w ); DECLARE_WRITE_LINE_MEMBER( rxrdy_w ); DECLARE_WRITE_LINE_MEMBER( txrdy_w ); DECLARE_WRITE_LINE_MEMBER( fdc_intrq_w ); TIMER_DEVICE_CALLBACK_MEMBER(vsync_tick); IRQ_CALLBACK_MEMBER(vixen_int_ack); uint8_t opram_r(offs_t offset); uint8_t oprom_r(offs_t offset); uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); void bios_mem(address_map &map); void vixen_io(address_map &map); void vixen_mem(address_map &map); required_device m_maincpu; required_device m_fdc; required_device m_io_i8155; required_device m_usart; required_device m_discrete; required_device m_ieee488; required_device m_palette; required_device m_ram; required_device m_floppy0; required_device m_floppy1; required_device m_rs232; required_region_ptr m_rom; required_region_ptr m_sync_rom; required_region_ptr m_char_rom; required_shared_ptr m_video_ram; required_ioport_array<8> m_key; address_space *m_program; virtual void machine_start() override; virtual void machine_reset() override; void update_interrupt(); // keyboard state uint8_t m_col; // interrupt state int m_cmd_d0; int m_cmd_d1; bool m_fdint; int m_vsync; int m_srq; int m_atn; int m_enb_srq_int; int m_enb_atn_int; int m_rxrdy; int m_txrdy; int m_int_clk; int m_enb_xmt_int; int m_enb_rcv_int; int m_enb_ring_int; // video state bool m_alt; bool m_256; }; #endif // MAME_INCLUDES_VIXEN_H