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Diffstat (limited to 'src/devices/bus/ti99/peb/samsmem.h')
-rw-r--r-- | src/devices/bus/ti99/peb/samsmem.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/devices/bus/ti99/peb/samsmem.h b/src/devices/bus/ti99/peb/samsmem.h new file mode 100644 index 00000000000..0166ad66acb --- /dev/null +++ b/src/devices/bus/ti99/peb/samsmem.h @@ -0,0 +1,49 @@ +// license:LGPL-2.1+ +// copyright-holders:Michael Zapf +/**************************************************************************** + + TI-99 SuperAMS memory expansion + See samsmem.c for documentation + + Michael Zapf + September 2010 + + February 2012: Rewritten as class + +*****************************************************************************/ + +#ifndef MAME_BUS_TI99_PEB_SAMSMEM_H +#define MAME_BUS_TI99_PEB_SAMSMEM_H + +#pragma once + +#include "peribox.h" +#include "machine/ram.h" + +DECLARE_DEVICE_TYPE(TI99_SAMSMEM, sams_memory_expansion_device) + +class sams_memory_expansion_device : public ti_expansion_card_device +{ +public: + sams_memory_expansion_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + DECLARE_READ8Z_MEMBER(readz) override; + DECLARE_WRITE8_MEMBER(write) override; + + DECLARE_READ8Z_MEMBER(crureadz) override; + DECLARE_WRITE8_MEMBER(cruwrite) override; + + machine_config_constructor device_mconfig_additions() const override; + +protected: + void device_start() override; + void device_reset() override; + +private: + // Console RAM + required_device<ram_device> m_ram; + int m_mapper[16]; + bool m_map_mode; + bool m_access_mapper; +}; + +#endif // MAME_BUS_TI99_PEB_SAMSMEM_H |