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apple2_hgr_font_tutorial
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Added utilities and font binary

This commit is contained in:
Michaelangel007 2016-01-10 10:03:02 -08:00
parent c67c417879
commit 924fd475f0
4 changed files with 211 additions and 0 deletions
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21
c_to_fontbin.c Normal file
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#include <stdio.h>
#include "font.h"
int main()
{
const size_t len = sizeof( FONT) / sizeof( char );
const size_t MAX = 8192;
char buf[ MAX ]; // Assume font data is < 8K
if (len > MAX)
return printf( "ERROR: Font data to large: %u > %u\n", (unsigned) len, (unsigned) MAX );
FILE *pFile = fopen( "font.bin", "wb" );
if( pFile )
{
for( size_t i = 0; i < len; ++i )
fwrite( &FONT[ i ], 1, 1, pFile );
fclose( pFile );
}
return 0;
}

BIN
font.bin Normal file
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Binary file not shown.

130
font.h Normal file
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const char FONT[] = {
0x10, 0x08, 0x36, 0x7F, 0x3F, 0x3F, 0x7E, 0x36, // 0x00 ^@
0x10, 0x08, 0x36, 0x41, 0x21, 0x21, 0x4A, 0x36, // 0x01 ^A
0x00, 0x00, 0x02, 0x06, 0x0E, 0x1E, 0x36, 0x42, // 0x02 ^B
0x7F, 0x22, 0x14, 0x08, 0x08, 0x14, 0x2A, 0x7F, // 0x03 ^C
0x00, 0x40, 0x20, 0x11, 0x0A, 0x04, 0x04, 0x00, // 0x04 ^D
0x7F, 0x3F, 0x5F, 0x6C, 0x75, 0x7B, 0x7B, 0x7F, // 0x05 ^E
0x70, 0x60, 0x7E, 0x31, 0x79, 0x30, 0x3F, 0x02, // 0x06 ^F
0x00, 0x18, 0x07, 0x00, 0x07, 0x0C, 0x08, 0x70, // 0x07 ^G
0x08, 0x04, 0x02, 0x7F, 0x02, 0x04, 0x08, 0x00, // 0x08 ^H
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2A, // 0x09 ^I
0x08, 0x08, 0x08, 0x08, 0x49, 0x2A, 0x1C, 0x08, // 0x0A ^J
0x08, 0x1C, 0x2A, 0x49, 0x08, 0x08, 0x08, 0x08, // 0x0B ^K
0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x0C ^L
0x40, 0x40, 0x40, 0x44, 0x46, 0x7F, 0x06, 0x04, // 0x0D ^M
0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, // 0x0E ^N
0x13, 0x18, 0x1C, 0x7E, 0x1C, 0x18, 0x10, 0x6F, // 0x0F ^O
0x64, 0x0C, 0x1C, 0x3F, 0x1C, 0x0C, 0x04, 0x7B, // 0x10 ^P
0x40, 0x48, 0x08, 0x7F, 0x3E, 0x1C, 0x48, 0x40, // 0x11 ^Q
0x40, 0x48, 0x1C, 0x3E, 0x7E, 0x08, 0x48, 0x40, // 0x12 ^R
0x00, 0x00, 0x00, 0x7F, 0x00, 0x00, 0x00, 0x00, // 0x13 ^S
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7F, // 0x14 ^T
0x08, 0x10, 0x20, 0x7F, 0x20, 0x10, 0x08, 0x00, // 0x15 ^U
0x2A, 0x55, 0x2A, 0x55, 0x2A, 0x55, 0x2A, 0x55, // 0x16 ^V
0x55, 0x2A, 0x55, 0x2A, 0x55, 0x2A, 0x55, 0x2A, // 0x17 ^W
0x00, 0x3E, 0x41, 0x01, 0x01, 0x01, 0x7F, 0x00, // 0x18 ^X
0x00, 0x00, 0x3F, 0x40, 0x40, 0x40, 0x7F, 0x00, // 0x19 ^Y
0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, // 0x1A ^Z
0x08, 0x1C, 0x3E, 0x7F, 0x3E, 0x1C, 0x08, 0x00, // 0x1B ^[
0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, // 0x1C ^\
0x14, 0x14, 0x77, 0x00, 0x77, 0x14, 0x14, 0x00, // 0x1D ^]
0x7F, 0x40, 0x40, 0x4C, 0x4C, 0x40, 0x40, 0x7F, // 0x1E ^^
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, // 0x1F ^_
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x20
0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x08, 0x00, // 0x21 !
0x14, 0x14, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x22 "
0x14, 0x14, 0x3E, 0x14, 0x3E, 0x14, 0x14, 0x00, // 0x23 #
0x08, 0x3C, 0x0A, 0x1C, 0x28, 0x1E, 0x08, 0x00, // 0x24 $
0x06, 0x26, 0x10, 0x08, 0x04, 0x32, 0x30, 0x00, // 0x25 %
0x04, 0x0A, 0x0A, 0x04, 0x2A, 0x12, 0x2C, 0x00, // 0x26 &
0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x27 '
0x08, 0x04, 0x02, 0x02, 0x02, 0x04, 0x08, 0x00, // 0x28 (
0x08, 0x10, 0x20, 0x20, 0x20, 0x10, 0x08, 0x00, // 0x29 )
0x08, 0x2A, 0x1C, 0x08, 0x1C, 0x2A, 0x08, 0x00, // 0x2A *
0x00, 0x08, 0x08, 0x3E, 0x08, 0x08, 0x00, 0x00, // 0x2B +
0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x04, 0x00, // 0x2C ,
0x00, 0x00, 0x00, 0x3E, 0x00, 0x00, 0x00, 0x00, // 0x2D -
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, // 0x2E .
0x00, 0x20, 0x10, 0x08, 0x04, 0x02, 0x00, 0x00, // 0x2F /
0x1C, 0x22, 0x32, 0x2A, 0x26, 0x22, 0x1C, 0x00, // 0x30 0
0x08, 0x0C, 0x08, 0x08, 0x08, 0x08, 0x1C, 0x00, // 0x31 1
0x1C, 0x22, 0x20, 0x18, 0x04, 0x02, 0x3E, 0x00, // 0x32 2
0x3E, 0x20, 0x10, 0x18, 0x20, 0x22, 0x1C, 0x00, // 0x33 3
0x10, 0x18, 0x14, 0x12, 0x3E, 0x10, 0x10, 0x00, // 0x34 4
0x3E, 0x02, 0x1E, 0x20, 0x20, 0x22, 0x1C, 0x00, // 0x35 5
0x38, 0x04, 0x02, 0x1E, 0x22, 0x22, 0x1C, 0x00, // 0x36 6
0x3E, 0x20, 0x10, 0x08, 0x04, 0x04, 0x04, 0x00, // 0x37 7
0x1C, 0x22, 0x22, 0x1C, 0x22, 0x22, 0x1C, 0x00, // 0x38 8
0x1C, 0x22, 0x22, 0x3C, 0x20, 0x10, 0x0E, 0x00, // 0x39 9
0x00, 0x00, 0x08, 0x00, 0x08, 0x00, 0x00, 0x00, // 0x3A :
0x00, 0x00, 0x08, 0x00, 0x08, 0x08, 0x04, 0x00, // 0x3B ;
0x10, 0x08, 0x04, 0x02, 0x04, 0x08, 0x10, 0x00, // 0x3C <
0x00, 0x00, 0x3E, 0x00, 0x3E, 0x00, 0x00, 0x00, // 0x3D =
0x04, 0x08, 0x10, 0x20, 0x10, 0x08, 0x04, 0x00, // 0x3E >
0x1C, 0x22, 0x10, 0x08, 0x08, 0x00, 0x08, 0x00, // 0x3F ?
0x1C, 0x22, 0x2A, 0x3A, 0x1A, 0x02, 0x3C, 0x00, // 0x40 @
0x08, 0x14, 0x22, 0x22, 0x3E, 0x22, 0x22, 0x00, // 0x41 A
0x1E, 0x22, 0x22, 0x1E, 0x22, 0x22, 0x1E, 0x00, // 0x42 B
0x1C, 0x22, 0x02, 0x02, 0x02, 0x22, 0x1C, 0x00, // 0x43 C
0x1E, 0x22, 0x22, 0x22, 0x22, 0x22, 0x1E, 0x00, // 0x44 D
0x3E, 0x02, 0x02, 0x1E, 0x02, 0x02, 0x3E, 0x00, // 0x45 E
0x3E, 0x02, 0x02, 0x1E, 0x02, 0x02, 0x02, 0x00, // 0x46 F
0x3C, 0x02, 0x02, 0x02, 0x32, 0x22, 0x3C, 0x00, // 0x47 G
0x22, 0x22, 0x22, 0x3E, 0x22, 0x22, 0x22, 0x00, // 0x48 H
0x1C, 0x08, 0x08, 0x08, 0x08, 0x08, 0x1C, 0x00, // 0x49 I
0x20, 0x20, 0x20, 0x20, 0x20, 0x22, 0x1C, 0x00, // 0x4A J
0x22, 0x12, 0x0A, 0x06, 0x0A, 0x12, 0x22, 0x00, // 0x4B K
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x3E, 0x00, // 0x4C L
0x22, 0x36, 0x2A, 0x2A, 0x22, 0x22, 0x22, 0x00, // 0x4D M
0x22, 0x22, 0x26, 0x2A, 0x32, 0x22, 0x22, 0x00, // 0x4E N
0x1C, 0x22, 0x22, 0x22, 0x22, 0x22, 0x1C, 0x00, // 0x4F O
0x1E, 0x22, 0x22, 0x1E, 0x02, 0x02, 0x02, 0x00, // 0x50 P
0x1C, 0x22, 0x22, 0x22, 0x2A, 0x12, 0x2C, 0x00, // 0x51 Q
0x1E, 0x22, 0x22, 0x1E, 0x0A, 0x12, 0x22, 0x00, // 0x52 R
0x1C, 0x22, 0x02, 0x1C, 0x20, 0x22, 0x1C, 0x00, // 0x53 S
0x3E, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, // 0x54 T
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x1C, 0x00, // 0x55 U
0x22, 0x22, 0x22, 0x22, 0x22, 0x14, 0x08, 0x00, // 0x56 V
0x22, 0x22, 0x22, 0x2A, 0x2A, 0x36, 0x22, 0x00, // 0x57 W
0x22, 0x22, 0x14, 0x08, 0x14, 0x22, 0x22, 0x00, // 0x58 X
0x22, 0x22, 0x14, 0x08, 0x08, 0x08, 0x08, 0x00, // 0x59 Y
0x3E, 0x20, 0x10, 0x08, 0x04, 0x02, 0x3E, 0x00, // 0x5A Z
0x3E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x3E, 0x00, // 0x5B [
0x00, 0x02, 0x04, 0x08, 0x10, 0x20, 0x00, 0x00, // 0x5C \
0x3E, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3E, 0x00, // 0x5D ]
0x00, 0x00, 0x08, 0x14, 0x22, 0x00, 0x00, 0x00, // 0x5E ^
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, // 0x5F _
0x04, 0x08, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x60 `
0x00, 0x00, 0x1C, 0x20, 0x3C, 0x22, 0x3C, 0x00, // 0x61 a
0x02, 0x02, 0x1E, 0x22, 0x22, 0x22, 0x1E, 0x00, // 0x62 b
0x00, 0x00, 0x3C, 0x02, 0x02, 0x02, 0x3C, 0x00, // 0x63 c
0x20, 0x20, 0x3C, 0x22, 0x22, 0x22, 0x3C, 0x00, // 0x64 d
0x00, 0x00, 0x1C, 0x22, 0x3E, 0x02, 0x3C, 0x00, // 0x65 e
0x18, 0x24, 0x04, 0x1E, 0x04, 0x04, 0x04, 0x00, // 0x66 f
0x00, 0x00, 0x1C, 0x22, 0x22, 0x3C, 0x20, 0x1C, // 0x67 g
0x02, 0x02, 0x1E, 0x22, 0x22, 0x22, 0x22, 0x00, // 0x68 h
0x08, 0x00, 0x0C, 0x08, 0x08, 0x08, 0x1C, 0x00, // 0x69 i
0x10, 0x00, 0x18, 0x10, 0x10, 0x10, 0x12, 0x0C, // 0x6A j
0x02, 0x02, 0x22, 0x12, 0x0E, 0x12, 0x22, 0x00, // 0x6B k
0x0C, 0x08, 0x08, 0x08, 0x08, 0x08, 0x1C, 0x00, // 0x6C l
0x00, 0x00, 0x36, 0x2A, 0x2A, 0x2A, 0x22, 0x00, // 0x6D m
0x00, 0x00, 0x1E, 0x22, 0x22, 0x22, 0x22, 0x00, // 0x6E n
0x00, 0x00, 0x1C, 0x22, 0x22, 0x22, 0x1C, 0x00, // 0x6F o
0x00, 0x00, 0x1E, 0x22, 0x22, 0x1E, 0x02, 0x02, // 0x70 p
0x00, 0x00, 0x3C, 0x22, 0x22, 0x3C, 0x20, 0x20, // 0x71 q
0x00, 0x00, 0x3A, 0x06, 0x02, 0x02, 0x02, 0x00, // 0x72 r
0x00, 0x00, 0x3C, 0x02, 0x1C, 0x20, 0x1E, 0x00, // 0x73 s
0x04, 0x04, 0x1E, 0x04, 0x04, 0x24, 0x18, 0x00, // 0x74 t
0x00, 0x00, 0x22, 0x22, 0x22, 0x32, 0x2C, 0x00, // 0x75 u
0x00, 0x00, 0x22, 0x22, 0x22, 0x14, 0x08, 0x00, // 0x76 v
0x00, 0x00, 0x22, 0x22, 0x2A, 0x2A, 0x36, 0x00, // 0x77 w
0x00, 0x00, 0x22, 0x14, 0x08, 0x14, 0x22, 0x00, // 0x78 x
0x00, 0x00, 0x22, 0x22, 0x22, 0x3C, 0x20, 0x1C, // 0x79 y
0x00, 0x00, 0x3E, 0x10, 0x08, 0x04, 0x3E, 0x00, // 0x7A z
0x38, 0x0C, 0x0C, 0x06, 0x0C, 0x0C, 0x38, 0x00, // 0x7B {
0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, // 0x7C |
0x0E, 0x18, 0x18, 0x30, 0x18, 0x18, 0x0E, 0x00, // 0x7D }
0x2C, 0x1A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x7E ~
0x00, 0x2A, 0x14, 0x2A, 0x14, 0x2A, 0x00, 0x00 // 0x7F
};

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image_2_c.html Normal file
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<html>
<head>
<script>
function byte2hex$( byte )
{
return ("0" + byte.toString(16)).toUpperCase().substr(-2)
}
function OnLoad()
{
var image = document.getElementById( "Apple2eFont7x8" );
var canvas = document.createElement( "canvas" );
var context = canvas.getContext( "2d" );
canvas.width = image.width;
canvas.height = image.height;
context.drawImage( image, 0, 0 );
var CW = 7, CH = 8; // Cell Width Height
var pixel, rgba, lines = "", th = image.height/CH, tw = image.width/CW;
for( var ty = 0; ty < th; ++ty )
{
for( var tx = 0; tx < tw; ++tx )
{
var text = "";
for( var y = 0; y < CH; ++y )
{
var hex = 0, mask = 0x1;
for( var x = 0; x < CW; ++x, mask <<= 1 )
{
pixel = context.getImageData( tx*CW+x, ty*CH+y, 1, 1 );
rgba = pixel.data;
hex += rgba[0] ? mask : 0; // assume R=G=B
}
text += "0x" + byte2hex$( hex );
if ((ty == (th-1)) && (tx == (tw-1)) && (y == (CH-1)))
text += " ";
else
text += ", ";
}
var c = (16*ty)+tx, d = String.fromCharCode( c );
if (c < 32) d = "^" + String.fromCharCode( c + 0x40 );
if (c==127) d = "";
// Extra space on end because of C's line continuation '\' for 28 and 92.
lines += " " + text + "// 0x" + byte2hex$(c) + " " + d + " \n";
}
}
lines = "const char FONT[] = {\n" + lines + "};\n";
console.log( lines );
var pre = document.getElementById( "hexdump" );
pre.innerHTML = lines;
}
</script>
</head>
<body onload="OnLoad()">
<img id="Apple2eFont7x8" src="Apple2eFont7x8.png">
<hr>
<pre id="hexdump"></pre>
</body>
</html>