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-rw-r--r--src/devices/bus/ti99_peb/evpc.h62
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diff --git a/src/devices/bus/ti99_peb/evpc.h b/src/devices/bus/ti99_peb/evpc.h
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+++ b/src/devices/bus/ti99_peb/evpc.h
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+// 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