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-rw-r--r--src/mess/includes/vixen.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/src/mess/includes/vixen.h b/src/mess/includes/vixen.h
new file mode 100644
index 00000000000..b7cfcc3c9b9
--- /dev/null
+++ b/src/mess/includes/vixen.h
@@ -0,0 +1,109 @@
+#pragma once
+
+#ifndef __VIXEN__
+#define __VIXEN__
+
+#include "machine/ram.h"
+
+#define Z8400A_TAG "5f"
+#define FDC1797_TAG "5n"
+#define P8155H_TAG "2n"
+#define P8155H_IO_TAG "c7"
+#define P8251A_TAG "c3"
+#define DISCRETE_TAG "discrete"
+#define SCREEN_TAG "screen"
+
+class vixen_state : public driver_device
+{
+public:
+ vixen_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, Z8400A_TAG),
+ m_fdc(*this, FDC1797_TAG),
+ m_io_i8155(*this, P8155H_IO_TAG),
+ m_usart(*this, P8251A_TAG),
+ m_discrete(*this, DISCRETE_TAG),
+ m_ieee488(*this, IEEE488_TAG),
+ m_ram(*this, RAM_TAG),
+ m_floppy0(*this, FLOPPY_0),
+ m_floppy1(*this, FLOPPY_1),
+ m_fdint(0),
+ m_vsync(0),
+ m_srq(1),
+ m_atn(1),
+ m_rxrdy(0),
+ m_txrdy(0)
+ ,
+ m_video_ram(*this, "video_ram"){ }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<device_t> m_fdc;
+ required_device<device_t> m_io_i8155;
+ required_device<i8251_device> m_usart;
+ required_device<device_t> m_discrete;
+ required_device<ieee488_device> m_ieee488;
+ required_device<ram_device> m_ram;
+ required_device<device_t> m_floppy0;
+ required_device<device_t> m_floppy1;
+
+ virtual void machine_start();
+ virtual void machine_reset();
+
+ virtual void video_start();
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+ void update_interrupt();
+
+ DECLARE_WRITE8_MEMBER( ctl_w );
+ DECLARE_READ8_MEMBER( status_r );
+ DECLARE_WRITE8_MEMBER( cmd_w );
+ DECLARE_READ8_MEMBER( ieee488_r );
+ DECLARE_READ8_MEMBER( port3_r );
+ DECLARE_READ8_MEMBER( i8155_pa_r );
+ DECLARE_WRITE8_MEMBER( i8155_pb_w );
+ DECLARE_WRITE8_MEMBER( i8155_pc_w );
+ DECLARE_WRITE8_MEMBER( io_i8155_pb_w );
+ DECLARE_WRITE8_MEMBER( io_i8155_pc_w );
+ DECLARE_WRITE_LINE_MEMBER( io_i8155_to_w );
+ DECLARE_WRITE_LINE_MEMBER( srq_w );
+ DECLARE_WRITE_LINE_MEMBER( atn_w );
+ DECLARE_WRITE_LINE_MEMBER( rxrdy_w );
+ DECLARE_WRITE_LINE_MEMBER( txrdy_w );
+ DECLARE_WRITE_LINE_MEMBER( fdint_w );
+ DIRECT_UPDATE_MEMBER(vixen_direct_update_handler);
+
+ // memory state
+ int m_reset;
+
+ // keyboard state
+ UINT8 m_col;
+
+ // interrupt state
+ int m_cmd_d0;
+ int m_cmd_d1;
+
+ int m_fdint;
+ int m_vsync;
+
+ int m_srq;
+ int m_atn;
+ int m_enb_srq_int;
+ int m_enb_atn_int;
+
+ int m_rxrdy;
+ int m_txrdy;
+ int m_int_clk;
+ int m_enb_xmt_int;
+ int m_enb_rcv_int;
+ int m_enb_ring_int;
+
+ // video state
+ int m_alt;
+ int m_256;
+ required_shared_ptr<UINT8> m_video_ram;
+ const UINT8 *m_sync_rom;
+ const UINT8 *m_char_rom;
+ DECLARE_DRIVER_INIT(vixen);
+};
+
+#endif