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-rw-r--r--src/mess/includes/channelf.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/mess/includes/channelf.h b/src/mess/includes/channelf.h
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index 00000000000..70ca1a62a8b
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+++ b/src/mess/includes/channelf.h
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+/*****************************************************************************
+ *
+ * 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_ */