diff options
Diffstat (limited to 'src/devices/bus/a2bus/a2estd80col.h')
-rw-r--r-- | src/devices/bus/a2bus/a2estd80col.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/a2estd80col.h b/src/devices/bus/a2bus/a2estd80col.h new file mode 100644 index 00000000000..bcab4bab704 --- /dev/null +++ b/src/devices/bus/a2bus/a2estd80col.h @@ -0,0 +1,47 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont +/********************************************************************* + + a2estd80col.c + + Apple IIe Standard 80 Column Card + +*********************************************************************/ + +#ifndef __A2EAUX_STD80COL__ +#define __A2EAUX_STD80COL__ + +#include "emu.h" +#include "a2eauxslot.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class a2eaux_std80col_device: + public device_t, + public device_a2eauxslot_card_interface +{ +public: + // construction/destruction + a2eaux_std80col_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + a2eaux_std80col_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + +protected: + virtual void device_start(); + virtual void device_reset(); + + virtual UINT8 read_auxram(UINT16 offset); + virtual void write_auxram(UINT16 offset, UINT8 data); + virtual UINT8 *get_vram_ptr(); + virtual UINT8 *get_auxbank_ptr(); + virtual bool allow_dhr() { return false; } // we don't allow DHR + +private: + UINT8 m_ram[2*1024]; +}; + +// device type definition +extern const device_type A2EAUX_STD80COL; + +#endif /* __A2EAUX_STD80COL__ */ |