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Screen buffer transposed, such that bytes in X-direction are consecutive. This enables my turbocharged lcd_write_data() for regular screen updates. Please check the X11 sim, Win32 works.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4177 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jörg Hohensohn 2003-12-23 23:41:45 +00:00
parent 2d720b2a79
commit 5040cc53ec
6 changed files with 40 additions and 37 deletions
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8
firmware/export/lcd.h
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@ -111,14 +111,14 @@ void lcd_remove_cursor(void);
#define LCD_HEIGHT 64 /* Display height in pixels */
#endif
#define DRAW_PIXEL(x,y) lcd_framebuffer[(x)][(y)/8] |= (1<<((y)&7))
#define CLEAR_PIXEL(x,y) lcd_framebuffer[(x)][(y)/8] &= ~(1<<((y)&7))
#define INVERT_PIXEL(x,y) lcd_framebuffer[(x)][(y)/8] ^= (1<<((y)&7))
#define DRAW_PIXEL(x,y) lcd_framebuffer[(y)/8][(x)] |= (1<<((y)&7))
#define CLEAR_PIXEL(x,y) lcd_framebuffer[(y)/8][(x)] &= ~(1<<((y)&7))
#define INVERT_PIXEL(x,y) lcd_framebuffer[(y)/8][(x)] ^= (1<<((y)&7))
/*
* Memory copy of display bitmap
*/
extern unsigned char lcd_framebuffer[LCD_WIDTH][LCD_HEIGHT/8];
extern unsigned char lcd_framebuffer[LCD_HEIGHT/8][LCD_WIDTH];
extern void lcd_setmargins(int xmargin, int ymargin);
extern int lcd_getxmargin(void);