diff options
Diffstat (limited to 'src/mess/includes/channelf.h')
-rw-r--r-- | src/mess/includes/channelf.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/mess/includes/channelf.h b/src/mess/includes/channelf.h new file mode 100644 index 00000000000..70ca1a62a8b --- /dev/null +++ b/src/mess/includes/channelf.h @@ -0,0 +1,68 @@ +/***************************************************************************** + * + * includes/channelf.h + * + ****************************************************************************/ + +#ifndef CHANNELF_H_ +#define CHANNELF_H_ + +#include "emu.h" +#include "cpu/f8/f8.h" +#include "imagedev/cartslot.h" + + +/* SKR - 2102 RAM chip on carts 10 and 18 I/O ports */ +typedef struct +{ + UINT8 d; /* data bit:inverted logic, but reading/writing cancel out */ + UINT8 r_w; /* inverted logic: 0 means read, 1 means write */ + UINT8 a[10]; /* addr bits: inverted logic, but reading/writing cancel out */ + UINT16 addr; /* calculated addr from addr bits */ + UINT8 ram[1024]; /* RAM array */ +} r2102_t; + + +class channelf_state : public driver_device +{ +public: + channelf_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) { } + + DECLARE_READ8_MEMBER(channelf_port_0_r); + DECLARE_READ8_MEMBER(channelf_port_1_r); + DECLARE_READ8_MEMBER(channelf_port_4_r); + DECLARE_READ8_MEMBER(channelf_port_5_r); + DECLARE_READ8_MEMBER(channelf_2102A_r); + DECLARE_READ8_MEMBER(channelf_2102B_r); + DECLARE_WRITE8_MEMBER(channelf_port_0_w); + DECLARE_WRITE8_MEMBER(channelf_port_1_w); + DECLARE_WRITE8_MEMBER(channelf_port_4_w); + DECLARE_WRITE8_MEMBER(channelf_port_5_w); + DECLARE_WRITE8_MEMBER(channelf_2102A_w); + DECLARE_WRITE8_MEMBER(channelf_2102B_w); + UINT8 *m_p_videoram; + UINT8 m_latch[6]; + r2102_t m_r2102; + UINT8 m_val_reg; + UINT8 m_row_reg; + UINT8 m_col_reg; + UINT8 port_read_with_latch(UINT8 ext, UINT8 latch_state); +}; + + +/*----------- defined in video/channelf.c -----------*/ + +PALETTE_INIT( channelf ); +VIDEO_START( channelf ); +SCREEN_UPDATE_IND16( channelf ); + + +/*----------- defined in audio/channelf.c -----------*/ + +DECLARE_LEGACY_SOUND_DEVICE(CHANNELF, channelf_sound); + +void channelf_sound_w(device_t *device, int mode); + + +#endif /* CHANNELF_H_ */ |