diff options
Diffstat (limited to 'src/devices/bus/vme/sys68k_iscsi.h')
-rw-r--r-- | src/devices/bus/vme/sys68k_iscsi.h | 72 |
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 new file mode 100644 index 00000000000..b3d6ff1f20b --- /dev/null +++ b/src/devices/bus/vme/sys68k_iscsi.h @@ -0,0 +1,72 @@ +// 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 |