/* Research Machines RM 380Z */ #ifndef RM380Z_H_ #define RM380Z_H_ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/ram.h" #include "imagedev/flopdrv.h" #include "machine/wd17xx.h" #include "machine/keyboard.h" // // // #define RM380Z_MAINCPU_TAG "maincpu" #define RM380Z_PORTS_ENABLED_HIGH ( m_port0 & 0x80 ) #define RM380Z_PORTS_ENABLED_LOW ( ( m_port0 & 0x80 ) == 0x00 ) #define RM380Z_VIDEOMODE_40COL 0x01 #define RM380Z_VIDEOMODE_80COL 0x02 #define RM380Z_CHDIMX 5 #define RM380Z_CHDIMY 9 #define RM380Z_NCX 8 #define RM380Z_NCY 16 #define RM380Z_SCREENCOLS 80 #define RM380Z_SCREENROWS 24 #define RM380Z_VIDEORAM_SIZE 0x600 #define RM380Z_SCREENSIZE 0x1200 // // // class rm380z_state : public driver_device { private: void put_point(int charnum,int x,int y,int col); void init_graphic_chars(); void putChar(int charnum,int attribs,int x,int y,bitmap_ind16 &bitmap,unsigned char* chsb,int vmode); void decode_videoram_char(int pos,UINT8& chr,UINT8& attrib); void scroll_videoram(); void config_videomode(); void check_scroll_register(); int writenum; protected: virtual void machine_reset(); virtual void machine_start(); public: UINT8 m_port0; UINT8 m_port0_kbd; UINT8 m_port1; UINT8 m_fbfd; UINT8 m_fbfe; UINT8 m_graphic_chars[0x80][(RM380Z_CHDIMX+1)*(RM380Z_CHDIMY+1)]; UINT8 m_mainVideoram[RM380Z_VIDEORAM_SIZE]; UINT8 m_vramchars[RM380Z_SCREENSIZE]; UINT8 m_vramattribs[RM380Z_SCREENSIZE]; UINT8 m_vram[RM380Z_SCREENSIZE]; int m_rasterlineCtr; emu_timer* m_vblankTimer; int m_old_fbfd; int m_old_old_fbfd; int m_videomode; int m_old_videomode; required_device m_maincpu; required_device m_messram; optional_device m_fdc; rm380z_state(const machine_config &mconfig, device_type type, const char *tag): driver_device(mconfig, type, tag), m_maincpu(*this, RM380Z_MAINCPU_TAG), m_messram(*this, RAM_TAG), m_fdc(*this, "wd1771") { } DECLARE_WRITE8_MEMBER( port_write ); DECLARE_READ8_MEMBER( port_read ); DECLARE_WRITE8_MEMBER( port_write_1b00 ); DECLARE_READ8_MEMBER( port_read_1b00 ); DECLARE_READ8_MEMBER( main_read ); DECLARE_WRITE8_MEMBER( main_write ); DECLARE_READ8_MEMBER( videoram_read ); DECLARE_WRITE8_MEMBER( videoram_write ); UINT8 hiram[0x1000]; DECLARE_READ8_MEMBER( hiram_read ); DECLARE_WRITE8_MEMBER( hiram_write ); DECLARE_READ8_MEMBER( rm380z_portlow_r ); DECLARE_WRITE8_MEMBER( rm380z_portlow_w ); DECLARE_READ8_MEMBER( rm380z_porthi_r ); DECLARE_WRITE8_MEMBER( rm380z_porthi_w ); DECLARE_WRITE8_MEMBER(disk_0_control); DECLARE_WRITE8_MEMBER( keyboard_put ); void config_memory_map(); int keyboard_decode(); void update_screen(bitmap_ind16 &bitmap); }; #endif