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-rw-r--r--src/mess/machine/3c503.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/mess/machine/3c503.h b/src/mess/machine/3c503.h
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+++ b/src/mess/machine/3c503.h
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+/* 3com Etherlink II 3c503 */
+
+#ifndef __3C503_H__
+#define __3C503_H__
+
+#include "emu.h"
+#include "machine/isa.h"
+#include "machine/dp8390.h"
+
+class el2_3c503_device: public device_t,
+ public device_isa8_card_interface
+{
+public:
+ el2_3c503_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ void el2_3c503_irq_w(int state);
+ DECLARE_READ8_MEMBER(el2_3c503_mem_read);
+ DECLARE_WRITE8_MEMBER(el2_3c503_mem_write);
+ DECLARE_READ8_MEMBER(el2_3c503_loport_r);
+ DECLARE_WRITE8_MEMBER(el2_3c503_loport_w);
+ DECLARE_READ8_MEMBER(el2_3c503_hiport_r);
+ DECLARE_WRITE8_MEMBER(el2_3c503_hiport_w);
+ void eop_w(int state);
+ UINT8 dack_r(int line);
+ void dack_w(int line, UINT8 data);
+protected:
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_config_complete() { m_shortname = "el2_3c503"; }
+private:
+ required_device<dp8390d_device> m_dp8390;
+ UINT8 m_board_ram[8*1024];
+ UINT8 m_rom[8*1024];
+ UINT8 m_prom[32];
+ UINT8 m_irq_state;
+
+ UINT8 el2_3c503_mem_read(offs_t offset);
+ void el2_3c503_mem_write(offs_t offset, UINT8 data);
+
+ void set_irq(int state);
+ void set_drq(int state);
+
+ struct {
+ UINT8 pstr;
+ UINT8 pspr;
+ UINT8 dqtr;
+ UINT8 bcfr;
+ UINT8 pcfr;
+ UINT8 gacfr;
+ UINT8 ctrl;
+ UINT8 streg;
+ UINT8 idcfr;
+ UINT16 da;
+ UINT32 vptr;
+ UINT8 rfmsb;
+ UINT8 rflsb;
+ } m_regs;
+};
+
+extern const device_type EL2_3C503;
+
+#endif