/*********
 fonts.c

 numbers and letters
 for writing to the screen

 all are in 6x6 format
 0 = white
 1 = black

 Copyright 2007 Christian Montoya & James Luk

 Modified by Albert Liang and Greg Wu
 (mathematical font set)

 ********/

 unsigned char letter_arr[45] = {
 '0',
 '1',
 '2',
 '3',
 '4',
 '5',
 '6',
 '7',
 '8',
 '9',
 ' ',
 'a',
 'b',
 'c',
 'd',
 'e',
 'f',
 'g',
 'h',
 'i',
 'j',
 'k',
 'l',
 'm',
 'n',
 'o',
 'p',
 'q',
 'r',
 's',
 't',
 'u',
 'v',
 'w',
 'x',
 'y',
 'z',
 '+',
 '-',
 '*',
 '/',
 '='};


// font set for 6x6 size characters
// numbers start at 0
flash unsigned char font6x6[252][6] = {
// 0
0,0,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,0,1,1,0,0,
// 1
0,0,1,1,0,0,
0,0,0,1,0,0,
0,0,0,1,0,0,
0,0,0,1,0,0,
0,0,0,1,0,0,
0,0,1,1,1,0,
// 2
0,0,1,1,0,0,
0,1,0,0,1,0,
0,0,0,0,1,0,
0,0,0,1,0,0,
0,0,1,0,0,0,
0,1,1,1,1,0,
// 3
0,1,1,1,0,0,
0,0,0,0,1,0,
0,0,1,1,0,0,
0,0,0,0,1,0,
0,0,0,0,1,0,
0,1,1,1,0,0,
// 4
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,1,1,1,1,
0,0,0,0,1,0,
0,0,0,0,1,0,
// 5
0,1,1,1,1,0,
0,1,0,0,0,0,
0,1,1,1,0,0,
0,0,0,0,1,0,
0,0,0,0,1,0,
0,1,1,1,0,0,
// 6
0,0,1,1,1,0,
0,1,0,0,0,0,
0,1,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,0,1,1,0,0,
// 7
0,1,1,1,1,1,
0,0,0,0,0,1,
0,0,0,0,1,0,
0,0,0,1,0,0,
0,0,0,1,0,0,
0,0,1,0,0,0,
// 8
0,0,1,1,0,0,
0,1,0,0,1,0,
0,0,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,0,1,1,0,0,
// 9
0,0,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,0,1,1,1,0,
0,0,0,0,1,0,
0,1,1,1,0,0,
// blank
0,0,0,0,0,0,
0,0,0,0,0,0,
0,0,0,0,0,0,
0,0,0,0,0,0,
0,0,0,0,0,0,
0,0,0,0,0,0,
// A
0,0,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,1,1,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
// B
0,1,1,1,0,0,
0,1,0,0,1,0,
0,1,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,1,1,0,0,
// C
0,0,1,1,1,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
0,0,1,1,1,0,
// D
0,1,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,1,0,0,
0,1,1,0,0,0,
// E
0,1,1,1,1,0,
0,1,0,0,0,0,
0,1,1,1,0,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
0,1,1,1,1,0,

// F
0,1,1,1,1,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
0,1,1,1,0,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
// G
0,0,1,1,1,0,
0,1,0,0,0,0,
0,1,0,1,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,0,1,1,0,0,
// H
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,1,1,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
// I
0,1,1,1,0,0,
0,0,1,0,0,0,
0,0,1,0,0,0,
0,0,1,0,0,0,
0,0,1,0,0,0,
0,1,1,1,0,0,
// J
0,0,1,1,1,0,
0,0,0,1,0,0,
0,0,0,1,0,0,
0,0,0,1,0,0,
0,1,0,1,0,0,
0,0,1,0,0,0,
// K
0,1,0,0,1,0,
0,1,0,1,0,0,
0,1,1,0,0,0,
0,1,0,1,0,0,
0,1,0,0,1,0,
0,1,0,0,0,1,
// L
0,1,0,0,0,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
0,1,1,1,1,0,
// M
0,1,0,0,0,1,
0,1,1,0,1,1,
0,1,0,1,0,1,
0,1,0,0,0,1,
0,1,0,0,0,1,
0,1,0,0,0,1,
// N
0,1,0,0,0,1,
0,1,1,0,0,1,
0,1,0,1,0,1,
0,1,0,0,1,1,
0,1,0,0,0,1,
0,1,0,0,0,1,
// O
0,0,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,0,1,1,0,0,
// P
0,1,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,1,1,0,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
// Q
0,0,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,1,1,0,
0,0,1,0,0,0,
0,0,0,1,1,0,
// R
0,1,1,1,0,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,1,1,0,0,
0,1,0,1,0,0,
0,1,0,0,1,0,
// S
0,0,1,1,1,0,
0,1,0,0,0,0,
0,1,0,0,0,0,
0,0,1,1,0,0,
0,0,0,0,1,0,
0,1,1,1,0,0,
// T
0,1,1,1,0,0,
0,0,1,0,0,0,
0,0,1,0,0,0,
0,0,1,0,0,0,
0,0,1,0,0,0,
0,0,1,0,0,0,

// U
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,0,1,1,0,0,
// V
0,1,0,0,0,1,
0,1,0,0,0,1,
0,0,1,0,1,0,
0,0,1,0,1,0,
0,0,1,0,1,0,
0,0,0,1,0,0,
// W
0,1,0,0,0,1,
0,1,0,0,0,1,
0,1,0,0,0,1,
0,1,0,1,0,1,
0,1,1,0,1,1,
0,1,0,0,0,1,
// X
0,1,0,0,0,1,
0,0,1,0,1,0,
0,0,1,0,1,0,
0,0,0,1,0,0,
0,0,1,0,1,0,
0,1,0,0,0,1,
// Y
0,1,0,0,1,0,
0,1,0,0,1,0,
0,1,0,0,1,0,
0,0,1,1,1,0,
0,0,0,0,1,0,
0,1,1,1,0,0,
// Z
0,1,1,1,1,0,
0,0,0,0,1,0,
0,0,0,1,0,0,
0,0,1,0,0,0,
0,1,0,0,0,0,
0,1,1,1,1,0,

// +
0,0,1,0,0,0,
0,0,1,0,0,0,
1,1,1,1,1,0,
0,0,1,0,0,0,
0,0,1,0,0,0,
0,0,0,0,0,0,

// -
0,0,0,0,0,0,
0,0,0,0,0,0,
0,0,0,0,0,0,
1,1,1,1,1,1,
0,0,0,0,0,0,
0,0,0,0,0,0,

// *
1,0,1,0,1,0,
0,1,1,1,0,0,
1,1,1,1,1,0,
0,1,1,1,0,0,
1,0,1,0,1,0,
0,0,0,0,0,0,


// /
0,0,0,0,0,1,
0,0,0,0,1,0,
0,0,0,1,0,0,
0,0,1,0,0,0,
0,1,0,0,0,0,
1,0,0,0,0,0,

// =
0,0,0,0,0,0,
0,1,1,1,1,0,
0,0,0,0,0,0,
0,0,0,0,0,0,
0,1,1,1,1,0,
0,0,0,0,0,0};