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Diffstat (limited to 'src/mess/machine/ti99/myarcmem.h')
-rw-r--r-- | src/mess/machine/ti99/myarcmem.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/mess/machine/ti99/myarcmem.h b/src/mess/machine/ti99/myarcmem.h new file mode 100644 index 00000000000..49d7016d38d --- /dev/null +++ b/src/mess/machine/ti99/myarcmem.h @@ -0,0 +1,44 @@ +/**************************************************************************** + + TI-99 Myarc memory expansion + See myarcmem.c for documentation + + Michael Zapf, September 2010 + February 2012: Rewritten as class + +*****************************************************************************/ + +#ifndef __MYARCMEM__ +#define __MYARCMEM__ + +#include "emu.h" +#include "peribox.h" +#include "ti99defs.h" + +extern const device_type TI99_MYARCMEM; + +class myarc_memory_expansion_device : public ti_expansion_card_device +{ +public: + myarc_memory_expansion_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + DECLARE_READ8Z_MEMBER(readz); + DECLARE_WRITE8_MEMBER(write); + + void crureadz(offs_t offset, UINT8 *value); + void cruwrite(offs_t offset, UINT8 data); + +protected: + void device_start(void); + void device_reset(void); + const rom_entry *device_rom_region(void) const; + ioport_constructor device_input_ports() const; + +private: + int get_base(int offset); + UINT8* m_ram; + UINT8* m_dsrrom; + int m_bank; + int m_size; +}; + +#endif |