diff options
Diffstat (limited to 'src/devices/bus/ti99_peb/samsmem.h')
-rw-r--r-- | src/devices/bus/ti99_peb/samsmem.h | 44 |
1 files changed, 44 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..0dd5e959755 --- /dev/null +++ b/src/devices/bus/ti99_peb/samsmem.h @@ -0,0 +1,44 @@ +// 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 __SAMSMEM__ +#define __SAMSMEM__ + +#include "emu.h" +#include "peribox.h" + +extern const device_type TI99_SAMSMEM; + +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 clock); + DECLARE_READ8Z_MEMBER(readz); + DECLARE_WRITE8_MEMBER(write); + + DECLARE_READ8Z_MEMBER(crureadz); + DECLARE_WRITE8_MEMBER(cruwrite); + +protected: + virtual void device_start(void); + virtual void device_reset(void); + virtual const rom_entry *device_rom_region(void) const; + +private: + UINT8* m_ram; + int m_mapper[16]; + bool m_map_mode; + bool m_access_mapper; +}; +#endif |