36 lines
833 B
C
36 lines
833 B
C
//---
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//
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// gint display module: screen
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//
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// Interacts with the physical screen. See other display modules for video
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// ram management and drawing.
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//
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// The screen basically has two input values, which are a register
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// selector and the selected register's value. What this module does is
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// essentially selecting registers by setting *selector and assigning them
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// values by setting *data.
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//---
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#ifndef _SCREEN_H
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#define _SCREEN_H 1
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/*
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screen_display()
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Displays contents on the full screen. Expects a 1024-byte buffer.
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*/
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void screen_display(const void *vram);
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/*
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screen_setBacklight()
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On compatible models, turns on or turns off the backlight.
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*/
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void screen_setBacklight(int on);
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/*
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screen_toggleBacklight()
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Changes the backlight state, regardless of its current state.
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*/
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void screen_toggleBacklight(void);
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#endif
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