diff options
Diffstat (limited to 'src/mess/includes/gamepock.h')
-rw-r--r-- | src/mess/includes/gamepock.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/mess/includes/gamepock.h b/src/mess/includes/gamepock.h new file mode 100644 index 00000000000..5188a45f7ad --- /dev/null +++ b/src/mess/includes/gamepock.h @@ -0,0 +1,41 @@ +#ifndef _GAMEPOCK_H_ +#define _GAMEPOCK_H_ + +typedef struct { + UINT8 enabled; + UINT8 start_page; + UINT8 address; + UINT8 y_inc; + UINT8 ram[256]; /* There are actually 50 x 4 x 8 bits. This just makes addressing easier. */ +} HD44102CH; + +class gamepock_state : public driver_device +{ +public: + gamepock_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) { } + + virtual void machine_reset(); + + UINT8 m_port_a; + UINT8 m_port_b; + HD44102CH m_hd44102ch[3]; + + void hd44102ch_w( int which, int c_d, UINT8 data ); + void hd44102ch_init( int which ); + void lcd_update(); + + DECLARE_WRITE8_MEMBER( port_a_w ); + DECLARE_READ8_MEMBER( port_b_r ); + DECLARE_WRITE8_MEMBER( port_b_w ); + DECLARE_READ8_MEMBER( port_c_r ); +}; + + +/*----------- defined in machine/gamepock.c -----------*/ + +SCREEN_UPDATE_IND16( gamepock ); + +int gamepock_io_callback( device_t *device, int ioline, int state ); + +#endif |