diff options
Diffstat (limited to 'src/devices/bus/ti99_peb/evpc.h')
-rw-r--r-- | src/devices/bus/ti99_peb/evpc.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/devices/bus/ti99_peb/evpc.h b/src/devices/bus/ti99_peb/evpc.h new file mode 100644 index 00000000000..86ec224246e --- /dev/null +++ b/src/devices/bus/ti99_peb/evpc.h @@ -0,0 +1,62 @@ +// license:LGPL-2.1+ +// copyright-holders:Michael Zapf +/**************************************************************************** + + SNUG Enhanced Video Processor Card (evpc) + See evpc.c for documentation. + + Michael Zapf + + October 2010: Rewritten as device + February 2012: Rewritten as class + +*****************************************************************************/ + +#ifndef __EVPC__ +#define __EVPC__ + +#include "emu.h" +#include "peribox.h" + +extern const device_type TI99_EVPC; + +struct evpc_palette +{ + UINT8 read_index, write_index, mask; + int read; + int state; + struct { UINT8 red, green, blue; } color[0x100]; + //int dirty; +}; + +class snug_enhanced_video_device : public ti_expansion_card_device, public device_nvram_interface +{ +public: + snug_enhanced_video_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 void device_stop(void); + + virtual const rom_entry *device_rom_region() const; + virtual ioport_constructor device_input_ports() const; + + void nvram_default(); + void nvram_read(emu_file &file); + void nvram_write(emu_file &file); + +private: + UINT8* m_dsrrom; + bool m_RAMEN; + int m_dsr_page; + UINT8* m_novram; /* NOVRAM area */ + evpc_palette m_palette; +}; + +#endif |