/*
Copyright 2005, 2006, 2007 Dennis van Weeren

This file is part of Minimig

Minimig is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

Minimig is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

This is the Minimig OSD (on-screen-display) handler.

29-12-2006		-created
30-12-2006		-improved and simplified
*/

#include <pic18.h>
#include "osd.h"
#include "hardware.h"

/*character font*/
const unsigned char charfont[256][5]=
0x00,0xfe,0x81,0xfe,0x00,         // 0 	[0x0]
0x00,0xfe,0xc1,0xfe,0x00,         // 1 	[0x1]
0x00,0xfe,0xe1,0xfe,0x00,         // 2 	[0x2]
0x00,0xfe,0xf1,0xfe,0x00,         // 3 	[0x3]
0x00,0xfe,0xf9,0xfe,0x00,         // 4 	[0x4]
0x00,0xfe,0xfd,0xfe,0x00,         // 5 	[0x5]
0x00,0xfe,0xff,0xfe,0x00,         // 6 	[0x6]
0x18,0x1f,0xc1,0xf8,0x08,         // 7 	[0x7]
0x18,0x42,0x3c,0x81,0x7e,         // 8 	[0x8]
0x32,0x2a,0xe7,0x2a,0x32,         // 9 	[0x9]
0xe2,0x51,0xe2,0x64,0x92,         // 10 	[0xa]
0xf5,0x91,0x65,0x61,0x95,         // 11 	[0xb]
0x5c,0x62,0x02,0x62,0x5c,         // 12 	[0xc]
0xfa,0x00,0xf0,0x90,0xfe,         // 13 	[0xd]
0x3e,0x3e,0x36,0x3e,0x3e,         // 14 	[0xe]
0x38,0x44,0x44,0x28,0x28,         // 15 	[0xf]
0x00,0xfe,0x7c,0x38,0x10,         // 16 	[0x10]
0x10,0x38,0x7c,0xfe,0x00,         // 17 	[0x11]
0x60,0xff,0xf9,0xdf,0x60,         // 18 	[0x12]
0x0c,0x1f,0xfc,0x1f,0x0c,         // 19 	[0x13]
0x88,0xcc,0xee,0xcc,0x88,         // 20 	[0x14]
0x22,0x66,0xee,0x66,0x22,         // 21 	[0x15]
0x38,0x7c,0x7c,0x7c,0x38,         // 22 	[0x16]
0x20,0x70,0xa8,0x20,0x3e,         // 23 	[0x17]
0x08,0x04,0xfe,0x04,0x08,         // 24 	[0x18]
0x20,0x40,0xfe,0x40,0x20,         // 25 	[0x19]
0x10,0x10,0x54,0x38,0x10,         // 26 	[0x1a]
0x10,0x38,0x54,0x10,0x10,         // 27 	[0x1b]
0x80,0x88,0x94,0xa2,0x80,         // 28 	[0x1c]
0x80,0xa2,0x94,0x88,0x80,         // 29 	[0x1d]
0x40,0x70,0x7c,0x70,0x40,         // 30 	[0x1e]
0x04,0x1c,0x7c,0x1c,0x04,         // 31 	[0x1f]
0x00,0x00,0x00,0x00,0x00,         // 32 	[0x20]
0x00,0x00,0xbe,0x00,0x00,         // 33 	[0x21]
0x00,0x0e,0x00,0x0e,0x00,         // 34 	[0x22]
0x28,0xfe,0x28,0xfe,0x28,         // 35 	[0x23]
0x48,0x54,0xfe,0x54,0x24,         // 36 	[0x24]
0x46,0x26,0x10,0xc8,0xc4,         // 37 	[0x25]
0x6c,0x92,0xaa,0x44,0xa0,         // 38 	[0x26]
0x00,0x00,0x0a,0x06,0x00,         // 39 	[0x27]
0x00,0x38,0x44,0x82,0x00,         // 40 	[0x28]
0x00,0x82,0x44,0x38,0x00,         // 41 	[0x29]
0x28,0x10,0x7c,0x10,0x28,         // 42 	[0x2a]
0x10,0x10,0x7c,0x10,0x10,         // 43 	[0x2b]
0x00,0xa0,0x60,0x00,0x00,         // 44 	[0x2c]
0x10,0x10,0x10,0x10,0x10,         // 45 	[0x2d]
0x00,0xc0,0xc0,0x00,0x00,         // 46 	[0x2e]
0x40,0x20,0x10,0x08,0x04,         // 47 	[0x2f]
0x7c,0xa2,0x92,0x8a,0x7c,         // 48 	[0x30]
0x00,0x84,0xfe,0x80,0x00,         // 49 	[0x31]
0x84,0xc2,0xa2,0x92,0x8c,         // 50 	[0x32]
0x42,0x82,0x8a,0x96,0x62,         // 51 	[0x33]
0x30,0x28,0x24,0xfe,0x20,         // 52 	[0x34]
0x4e,0x8a,0x8a,0x8a,0x72,         // 53 	[0x35]
0x78,0x94,0x92,0x92,0x60,         // 54 	[0x36]
0x06,0x02,0xe2,0x12,0x0e,         // 55 	[0x37]
0x6c,0x92,0x92,0x92,0x6c,         // 56 	[0x38]
0x0c,0x92,0x92,0x52,0x3c,         // 57 	[0x39]
0x00,0xcc,0xcc,0x00,0x00,         // 58 	[0x3a]
0x00,0xac,0x6c,0x00,0x00,         // 59 	[0x3b]
0x10,0x28,0x44,0x82,0x00,         // 60 	[0x3c]
0x28,0x28,0x28,0x28,0x28,         // 61 	[0x3d]
0x00,0x82,0x44,0x28,0x10,         // 62 	[0x3e]
0x04,0x02,0xa2,0x12,0x0c,         // 63 	[0x3f]
0x64,0x92,0xf2,0x82,0x7c,         // 64 	[0x40]
0xf8,0x24,0x22,0x24,0xf8,         // 65 	[0x41]
0xfe,0x92,0x92,0x92,0x6c,         // 66 	[0x42]
0x7c,0x82,0x82,0x82,0x44,         // 67 	[0x43]
0xfe,0x82,0x82,0x44,0x38,         // 68 	[0x44]
0xfe,0x92,0x92,0x92,0x82,         // 69 	[0x45]
0xfe,0x12,0x12,0x12,0x02,         // 70 	[0x46]
0x7c,0x82,0x92,0x92,0xf4,         // 71 	[0x47]
0xfe,0x10,0x10,0x10,0xfe,         // 72 	[0x48]
0x00,0x82,0xfe,0x82,0x00,         // 73 	[0x49]
0x40,0x80,0x82,0x7e,0x02,         // 74 	[0x4a]
0xfe,0x10,0x28,0x44,0x82,         // 75 	[0x4b]
0xfe,0x80,0x80,0x80,0x80,         // 76 	[0x4c]
0xfe,0x04,0x18,0x04,0xfe,         // 77 	[0x4d]
0xfe,0x08,0x10,0x20,0xfe,         // 78 	[0x4e]
0x7c,0x82,0x82,0x82,0x7c,         // 79 	[0x4f]
0xfe,0x12,0x12,0x12,0x0c,         // 80 	[0x50]
0x7c,0x82,0xa2,0x42,0xbc,         // 81 	[0x51]
0xfe,0x12,0x32,0x52,0x8c,         // 82 	[0x52]
0x4c,0x92,0x92,0x92,0x64,         // 83 	[0x53]
0x02,0x02,0xfe,0x02,0x02,         // 84 	[0x54]
0x7e,0x80,0x80,0x80,0x7e,         // 85 	[0x55]
0x3e,0x40,0x80,0x40,0x3e,         // 86 	[0x56]
0xfe,0x40,0x30,0x40,0xfe,         // 87 	[0x57]
0xc6,0x28,0x10,0x28,0xc6,         // 88 	[0x58]
0x0e,0x10,0xe0,0x10,0x0e,         // 89 	[0x59]
0xc2,0xa2,0x92,0x8a,0x86,         // 90 	[0x5a]
0x00,0xfe,0x82,0x82,0x00,         // 91 	[0x5b]
0x04,0x08,0x10,0x20,0x40,         // 92 	[0x5c]
0x00,0x82,0x82,0xfe,0x00,         // 93 	[0x5d]
0x08,0x04,0x02,0x04,0x08,         // 94 	[0x5e]
0x80,0x80,0x80,0x80,0x80,         // 95 	[0x5f]
0x00,0x02,0x04,0x08,0x00,         // 96 	[0x60]
0x40,0xa8,0xa8,0xa8,0xf0,         // 97 	[0x61]
0xfe,0x90,0x88,0x88,0x70,         // 98 	[0x62]
0x70,0x88,0x88,0x88,0x40,         // 99 	[0x63]
0x70,0x88,0x88,0x90,0xfe,         // 100 	[0x64]
0x70,0xa8,0xa8,0xa8,0x30,         // 101 	[0x65]
0x10,0xfc,0x12,0x02,0x04,         // 102 	[0x66]
0x10,0xa8,0xa8,0xa8,0x78,         // 103 	[0x67]
0xfe,0x10,0x08,0x08,0xf0,         // 104 	[0x68]
0x00,0x90,0xfa,0x80,0x00,         // 105 	[0x69]
0x40,0x80,0x88,0x7a,0x00,         // 106 	[0x6a]
0x00,0xfe,0x20,0x50,0x88,         // 107 	[0x6b]
0x00,0x82,0xfe,0x80,0x00,         // 108 	[0x6c]
0xf8,0x08,0xf0,0x08,0xf8,         // 109 	[0x6d]
0xf8,0x10,0x08,0x08,0xf0,         // 110 	[0x6e]
0x70,0x88,0x88,0x88,0x70,         // 111 	[0x6f]
0xf8,0x28,0x28,0x28,0x10,         // 112 	[0x70]
0x08,0x14,0x14,0x18,0xfc,         // 113 	[0x71]
0xf8,0x10,0x08,0x08,0x10,         // 114 	[0x72]
0x90,0xa8,0xa8,0xa8,0x40,         // 115 	[0x73]
0x08,0x7e,0x88,0x80,0x40,         // 116 	[0x74]
0x78,0x80,0x80,0x40,0xf8,         // 117 	[0x75]
0x38,0x40,0x80,0x40,0x38,         // 118 	[0x76]
0x78,0x80,0x60,0x80,0x78,         // 119 	[0x77]
0x88,0x50,0x20,0x50,0x88,         // 120 	[0x78]
0x18,0xa0,0xa0,0xa0,0x78,         // 121 	[0x79]
0x88,0xc8,0xa8,0x98,0x88,         // 122 	[0x7a]
0x00,0x10,0x6c,0x82,0x00,         // 123 	[0x7b]
0x00,0x00,0xfe,0x00,0x00,         // 124 	[0x7c]
0x00,0x82,0x6c,0x10,0x00,         // 125 	[0x7d]
0x04,0x02,0x04,0x08,0x04,         // 126 	[0x7e]
0xf0,0x88,0x84,0x88,0xf0,         // 127 	[0x7f]
0x00,0x00,0x00,0x00,0x00,         // 128 	[0x80]
0xfe,0xff,0x33,0xff,0xfe,         // 129 	[0x81]
0xff,0xff,0xdb,0xff,0x76,         // 130 	[0x82]
0x7e,0xff,0xc3,0xc3,0xc3,         // 131 	[0x83]
0xff,0xff,0xc3,0xff,0x7e,         // 132 	[0x84]
0xff,0xff,0xdb,0xdb,0xc3,         // 133 	[0x85]
0xff,0xff,0x1b,0x1b,0x03,         // 134 	[0x86]
0x7e,0xff,0xd3,0xf7,0x76,         // 135 	[0x87]
0xff,0xff,0x18,0xff,0xff,         // 136 	[0x88]
0x00,0xff,0xff,0xff,0x00,         // 137 	[0x89]
0x60,0xe0,0xc0,0xff,0x7f,         // 138 	[0x8a]
0xff,0xff,0x3c,0xf7,0xe3,         // 139 	[0x8b]
0xff,0xff,0xc0,0xc0,0xc0,         // 140 	[0x8c]
0xff,0x07,0x1c,0x07,0xff,         // 141 	[0x8d]
0xff,0x3f,0x7e,0xfc,0xff,         // 142 	[0x8e]
0x7e,0xff,0xc3,0xff,0x7e,         // 143 	[0x8f]
0xff,0xff,0x33,0x3f,0x1e,         // 144 	[0x90]
0x7e,0xff,0xe3,0x7f,0xbe,         // 145 	[0x91]
0xff,0xff,0x3b,0xef,0xc6,         // 146 	[0x92]
0xce,0xdf,0xdb,0xfb,0x73,         // 147 	[0x93]
0x03,0xff,0xff,0xff,0x03,         // 148 	[0x94]
0x7f,0xff,0xc0,0xff,0x7f,         // 149 	[0x95]
0x3f,0x7f,0xe0,0x7f,0x3f,         // 150 	[0x96]
0xff,0xe0,0x38,0xe0,0xff,         // 151 	[0x97]
0xc7,0xff,0x38,0xff,0xc7,         // 152 	[0x98]
0x0f,0x1f,0xf0,0x1f,0x0f,         // 153 	[0x99]
0xe3,0xf3,0xdb,0xcf,0xc7,         // 154 	[0x9a]
0x00,0x00,0x00,0x00,0x00,         // 155 	[0x9b]
0x00,0x00,0x00,0x00,0x00,         // 156 	[0x9c]
0x00,0x00,0x00,0x00,0x00,         // 157 	[0x9d]
0x00,0x00,0x00,0x00,0x00,         // 158 	[0x9e]
0x00,0x00,0x00,0x00,0x00,         // 159 	[0x9f]
0x00,0x00,0x00,0x00,0x00,         // 160 	[0xa0]
0x00,0x00,0x00,0x00,0x00,         // 161 	[0xa1]
0x00,0x00,0x00,0x00,0x00,         // 162 	[0xa2]
0x00,0x00,0x00,0x00,0x00,         // 163 	[0xa3]
0x00,0x00,0x00,0x00,0x00,         // 164 	[0xa4]
0x00,0x00,0x00,0x00,0x00,         // 165 	[0xa5]
0x00,0x00,0x00,0x00,0x00,         // 166 	[0xa6]
0x00,0x00,0x00,0x00,0x00,         // 167 	[0xa7]
0x00,0x00,0x00,0x00,0x00,         // 168 	[0xa8]
0x00,0x00,0x00,0x00,0x00,         // 169 	[0xa9]
0x00,0x00,0x00,0x00,0x00,         // 170 	[0xaa]
0x00,0x00,0x00,0x00,0x00,         // 171 	[0xab]
0x00,0x00,0x00,0x00,0x00,         // 172 	[0xac]
0x00,0x00,0x00,0x00,0x00,         // 173 	[0xad]
0x00,0x00,0x00,0x00,0x00,         // 174 	[0xae]
0x00,0x00,0x00,0x00,0x00,         // 175 	[0xaf]
0x00,0x00,0x00,0x00,0x00,         // 176 	[0xb0]
0x00,0x00,0x00,0x00,0x00,         // 177 	[0xb1]
0x00,0x00,0x00,0x00,0x00,         // 178 	[0xb2]
0x00,0x00,0x00,0x00,0x00,         // 179 	[0xb3]
0x00,0x00,0x00,0x00,0x00,         // 180 	[0xb4]
0x00,0x00,0x00,0x00,0x00,         // 181 	[0xb5]
0x00,0x00,0x00,0x00,0x00,         // 182 	[0xb6]
0x00,0x00,0x00,0x00,0x00,         // 183 	[0xb7]
0x00,0x00,0x00,0x00,0x00,         // 184 	[0xb8]
0x00,0x00,0x00,0x00,0x00,         // 185 	[0xb9]
0x00,0x00,0x00,0x00,0x00,         // 186 	[0xba]
0x00,0x00,0x00,0x00,0x00,         // 187 	[0xbb]
0x00,0x00,0x00,0x00,0x00,         // 188 	[0xbc]
0x00,0x00,0x00,0x00,0x00,         // 189 	[0xbd]
0x00,0x00,0x00,0x00,0x00,         // 190 	[0xbe]
0x00,0x00,0x00,0x00,0x00,         // 191 	[0xbf]