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-rw-r--r--src/devices/bus/vip/vp575.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/devices/bus/vip/vp575.h b/src/devices/bus/vip/vp575.h
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+++ b/src/devices/bus/vip/vp575.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ RCA VIP Expansion Board VP-575 emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __VP575__
+#define __VP575__
+
+#include "emu.h"
+#include "exp.h"
+
+
+
+//**************************************************************************
+// MACROS/CONSTANTS
+//**************************************************************************
+
+#define MAX_SLOTS 5
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> vp575_device
+
+class vp575_device : public device_t,
+ public device_vip_expansion_card_interface
+{
+public:
+ // construction/destruction
+ vp575_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // not really public
+ DECLARE_WRITE_LINE_MEMBER( exp1_int_w ) { m_int[0] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp2_int_w ) { m_int[1] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp3_int_w ) { m_int[2] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp4_int_w ) { m_int[3] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp5_int_w ) { m_int[4] = state; update_interrupts(); }
+
+ DECLARE_WRITE_LINE_MEMBER( exp1_dma_out_w ) { m_dma_out[0] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp2_dma_out_w ) { m_dma_out[1] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp3_dma_out_w ) { m_dma_out[2] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp4_dma_out_w ) { m_dma_out[3] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp5_dma_out_w ) { m_dma_out[4] = state; update_interrupts(); }
+
+ DECLARE_WRITE_LINE_MEMBER( exp1_dma_in_w ) { m_dma_in[0] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp2_dma_in_w ) { m_dma_in[1] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp3_dma_in_w ) { m_dma_in[2] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp4_dma_in_w ) { m_dma_in[3] = state; update_interrupts(); }
+ DECLARE_WRITE_LINE_MEMBER( exp5_dma_in_w ) { m_dma_in[4] = state; update_interrupts(); }
+
+ void update_interrupts();
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+
+ // device_vip_expansion_card_interface overrides
+ virtual UINT8 vip_program_r(address_space &space, offs_t offset, int cs, int cdef, int *minh);
+ virtual void vip_program_w(address_space &space, offs_t offset, UINT8 data, int cdef, int *minh);
+ virtual UINT8 vip_io_r(address_space &space, offs_t offset);
+ virtual void vip_io_w(address_space &space, offs_t offset, UINT8 data);
+ virtual UINT8 vip_dma_r(address_space &space, offs_t offset);
+ virtual void vip_dma_w(address_space &space, offs_t offset, UINT8 data);
+ virtual UINT32 vip_screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ virtual int vip_ef1_r();
+ virtual int vip_ef3_r();
+ virtual int vip_ef4_r();
+ virtual void vip_sc_w(int data);
+ virtual void vip_q_w(int state);
+ virtual void vip_run_w(int state);
+
+private:
+ vip_expansion_slot_device *m_expansion_slot[MAX_SLOTS];
+
+ int m_int[MAX_SLOTS];
+ int m_dma_out[MAX_SLOTS];
+ int m_dma_in[MAX_SLOTS];
+};
+
+
+// device type definition
+extern const device_type VP575;
+
+
+#endif