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Diffstat (limited to 'src/devices/bus/vme/sys68k_iscsi.h')
-rw-r--r--src/devices/bus/vme/sys68k_iscsi.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/devices/bus/vme/sys68k_iscsi.h b/src/devices/bus/vme/sys68k_iscsi.h
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index 00000000000..b3d6ff1f20b
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+++ b/src/devices/bus/vme/sys68k_iscsi.h
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+// license:BSD-3-Clause
+// copyright-holders:Joakim Larsson Edstrom
+#ifndef MAME_BUS_VME_SYS68K_ISCSI_H
+#define MAME_BUS_VME_SYS68K_ISCSI_H
+
+#pragma once
+
+#include "imagedev/floppy.h"
+#include "machine/68230pit.h"
+#include "machine/wd_fdc.h"
+#include "machine/hd63450.h" // compatible with MC68450
+#include "bus/vme/vme.h"
+
+DECLARE_DEVICE_TYPE(VME_SYS68K_ISCSI1, vme_sys68k_iscsi1_card_device)
+
+class vme_sys68k_iscsi1_card_device : public device_t, public device_vme_card_interface
+{
+public:
+ vme_sys68k_iscsi1_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ vme_sys68k_iscsi1_card_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ virtual void device_start() override ATTR_COLD;
+ virtual void device_reset() override ATTR_COLD;
+
+ // optional information overrides
+ virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+ virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
+
+ void update_irq_to_maincpu();
+
+ uint8_t fdc_irq_state;
+ uint8_t dmac_irq_state;
+
+private:
+ //dmac
+ void dma_irq(int state);
+ uint8_t dma_iack();
+
+ //fdc
+ void fdc_irq(int state);
+ uint8_t fdc_read_byte();
+ void fdc_write_byte(uint8_t data);
+
+ uint8_t tcr_r();
+ void tcr_w(uint8_t data);
+ void led_w(uint8_t data);
+
+ /* Dummy driver routines */
+ uint8_t not_implemented_r();
+ void not_implemented_w(uint8_t data);
+
+ uint8_t scsi_r(offs_t offset);
+ void scsi_w(offs_t offset, uint8_t data);
+
+ void fcscsi1_mem(address_map &map) ATTR_COLD;
+ void cpu_space_map(address_map &map) ATTR_COLD;
+
+ required_device<cpu_device> m_maincpu;
+ required_device<wd1772_device> m_fdc;
+ required_device<pit68230_device> m_pit;
+ required_device<hd63450_device> m_dmac;
+
+ required_memory_region m_eprom;
+ required_shared_ptr<uint16_t> m_ram;
+ memory_passthrough_handler m_boot_mph;
+
+ uint8_t m_tcr;
+};
+
+#endif // MAME_BUS_VME_SYS68K_ISCSI_H