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-rw-r--r--src/devices/bus/bbc/internal/stlswr.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/devices/bus/bbc/internal/stlswr.h b/src/devices/bus/bbc/internal/stlswr.h
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+++ b/src/devices/bus/bbc/internal/stlswr.h
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+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+ Solidisk Sideways RAM
+
+ http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Solidisk_128KSWE.html
+
+**********************************************************************/
+
+
+#ifndef MAME_BUS_BBC_INTERNAL_STLSWR_H
+#define MAME_BUS_BBC_INTERNAL_STLSWR_H
+
+#include "internal.h"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class bbc_stlswr_device :
+ public device_t,
+ public device_bbc_internal_interface
+{
+public:
+ // construction/destruction
+ bbc_stlswr_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ bbc_stlswr_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ // device-level overrides
+ virtual void device_start() override;
+
+ // optional information overrides
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+ virtual bool overrides_rom() override { return true; }
+ virtual void romsel_w(offs_t offset, uint8_t data) override { m_romsel = data & 0x0f; }
+ virtual uint8_t paged_r(offs_t offset) override;
+ virtual void paged_w(offs_t offset, uint8_t data) override;
+ virtual void latch_fe60_w(uint8_t data) override { m_ramsel = (data & 0x07) | 0x08; }
+
+ optional_device_array<bbc_romslot_device, 16> m_rom;
+
+ uint8_t m_romsel;
+ uint8_t m_ramsel;
+};
+
+
+class bbc_stlswr16_device : public bbc_stlswr_device
+{
+public:
+ // construction/destruction
+ bbc_stlswr16_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // optional information overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+};
+
+
+class bbc_stlswr32_device : public bbc_stlswr_device
+{
+public:
+ // construction/destruction
+ bbc_stlswr32_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // optional information overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+};
+
+
+class bbc_stlswr64_device : public bbc_stlswr_device
+{
+public:
+ // construction/destruction
+ bbc_stlswr64_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // optional information overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+};
+
+
+class bbc_stlswr128_device : public bbc_stlswr_device
+{
+public:
+ // construction/destruction
+ bbc_stlswr128_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // optional information overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(BBC_STLSWR16, bbc_stlswr16_device);
+DECLARE_DEVICE_TYPE(BBC_STLSWR32, bbc_stlswr32_device);
+DECLARE_DEVICE_TYPE(BBC_STLSWR64, bbc_stlswr64_device);
+DECLARE_DEVICE_TYPE(BBC_STLSWR128, bbc_stlswr128_device);
+
+
+
+#endif /* MAME_BUS_BBC_INTERNAL_STLSWR_H */