/***************************************************************************** * * includes/pcw.h * ****************************************************************************/ #ifndef PCW_H_ #define PCW_H_ #define PCW_BORDER_HEIGHT 8 #define PCW_BORDER_WIDTH 8 #define PCW_NUM_COLOURS 2 #define PCW_DISPLAY_WIDTH 720 #define PCW_DISPLAY_HEIGHT 256 #define PCW_SCREEN_WIDTH (PCW_DISPLAY_WIDTH + (PCW_BORDER_WIDTH<<1)) #define PCW_SCREEN_HEIGHT (PCW_DISPLAY_HEIGHT + (PCW_BORDER_HEIGHT<<1)) #define PCW_PRINTER_WIDTH (80*16) #define PCW_PRINTER_HEIGHT (20*16) class pcw_state : public driver_device { public: pcw_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) { } int m_boot; int m_system_status; int m_fdc_interrupt_code; int m_interrupt_counter; UINT8 m_banks[4]; unsigned char m_bank_force; UINT8 m_timer_irq_flag; UINT8 m_nmi_flag; UINT8 m_printer_command; UINT8 m_printer_data; UINT8 m_printer_status; INT16 m_printer_headpos; UINT16 m_kb_scan_row; UINT8 m_mcu_keyboard_data[16]; UINT8 m_mcu_transmit_reset_seq; UINT8 m_mcu_transmit_count; UINT8 m_mcu_selected; UINT8 m_mcu_buffer; UINT8 m_mcu_prev; unsigned int m_roller_ram_addr; unsigned short m_roller_ram_offset; unsigned char m_vdu_video_control_register; UINT8 m_printer_serial; // value if shift/store data pin UINT8 m_printer_shift; // state of shift register UINT8 m_printer_shift_output; // output presented to the paper feed motor and print head motor UINT8 m_head_motor_state; UINT8 m_linefeed_motor_state; UINT16 m_printer_pins; UINT8 m_printer_p2; // MCU port P2 state UINT32 m_paper_feed; // amount of paper fed through printer, by n/360 inches. One line feed is 61/360in (from the linefeed command in CP/M;s ptr menu) bitmap_ind16* m_prn_output; UINT8 m_printer_p2_prev; emu_timer* m_prn_stepper; emu_timer* m_prn_pins; DECLARE_READ8_MEMBER(pcw_keyboard_r); DECLARE_READ8_MEMBER(pcw_keyboard_data_r); DECLARE_READ8_MEMBER(pcw_interrupt_counter_r); DECLARE_WRITE8_MEMBER(pcw_bank_select_w); DECLARE_WRITE8_MEMBER(pcw_bank_force_selection_w); DECLARE_WRITE8_MEMBER(pcw_roller_ram_addr_w); DECLARE_WRITE8_MEMBER(pcw_pointer_table_top_scan_w); DECLARE_WRITE8_MEMBER(pcw_vdu_video_control_register_w); DECLARE_WRITE8_MEMBER(pcw_system_control_w); DECLARE_READ8_MEMBER(pcw_system_status_r); DECLARE_READ8_MEMBER(pcw_expansion_r); DECLARE_WRITE8_MEMBER(pcw_expansion_w); DECLARE_READ8_MEMBER(pcw_fdc_r); DECLARE_WRITE8_MEMBER(pcw_fdc_w); DECLARE_WRITE8_MEMBER(pcw_printer_data_w); DECLARE_WRITE8_MEMBER(pcw_printer_command_w); DECLARE_READ8_MEMBER(pcw_printer_data_r); DECLARE_READ8_MEMBER(pcw_printer_status_r); DECLARE_READ8_MEMBER(mcu_printer_p1_r); DECLARE_WRITE8_MEMBER(mcu_printer_p1_w); DECLARE_READ8_MEMBER(mcu_printer_p2_r); DECLARE_WRITE8_MEMBER(mcu_printer_p2_w); DECLARE_READ8_MEMBER(mcu_printer_t1_r); DECLARE_READ8_MEMBER(mcu_printer_t0_r); DECLARE_READ8_MEMBER(mcu_kb_scan_r); DECLARE_WRITE8_MEMBER(mcu_kb_scan_w); DECLARE_READ8_MEMBER(mcu_kb_scan_high_r); DECLARE_WRITE8_MEMBER(mcu_kb_scan_high_w); DECLARE_READ8_MEMBER(mcu_kb_data_r); DECLARE_READ8_MEMBER(mcu_kb_t1_r); DECLARE_READ8_MEMBER(mcu_kb_t0_r); DECLARE_READ8_MEMBER(pcw9512_parallel_r); DECLARE_WRITE8_MEMBER(pcw9512_parallel_w); void mcu_transmit_serial(UINT8 bit); DECLARE_DRIVER_INIT(pcw); }; /*----------- defined in video/pcw.c -----------*/ extern VIDEO_START( pcw ); extern SCREEN_UPDATE_IND16( pcw ); extern SCREEN_UPDATE_IND16( pcw_printer ); extern PALETTE_INIT( pcw ); #endif /* PCW_H_ */