In order to make special characters, inverse video, and cursor characters easy to type in, COMPUTE! Magazine's Atari listing conventions are used in all the program listings in this book.
Please refer to the following tables and explanations if you come across an unusual symbol in a program listing.
Characters in inverse video will appear like: INVERSE VIDEO Enter these characters with
the Atari logo key, {
}.
| When you see | Type | See | ||
| {CLEAR} | ESC SHIFT < |  |
Clear Screen | |
| {UP} | ESC CTRL - |  |
Cursor Up | |
| {DOWN} | ESC CTRL = |  |
Cursor Down | |
| {LEFT} | ESC CTRL + |  |
Cursor Left | |
| {RIGHT} | ESC CTRL * |  |
Cursor Right | |
| {BACK S} | ESC DELETE |  |
Backspace | |
| {DELETE} | ESC CTRL DELETE |  |
Delete Character | |
| {INSERT} | ESC CTRL INSERT |  |
Insert Character | |
| {DEL LINE} | ESC SHIFT DELTE |  |
Delete Line | |
| {INS LINE} | ESC SHIFT INSERT |  |
Insert Line | |
| {TAB} | ESC TAB |  |
TAB key | |
| {CLR TAB} | ESC CTRL TAB |  |
Clear Tab | |
| {SET TAB} | ESC SHIFT TAB |  |
Set TAB stop | |
| {BELL} | ESC CTRL 2 |  |
Ring Buzzer | |
| {ESC} | ESC ESC |  |
ESCape key | |
Graphics characters, such as CTRL-T, the ball character 
will appear as the "normal" letter enclosed in braces, e.g. {T}.
A series of identical control characters, such as 10 spaces, three cursor-lefts, or 20 CTRL-R's, will appear as {10 SPACES}, {3 LEFT}, {20 R}, etc. If the character in braces is in inverse video, that character should be entered with the Atari logo key. For example, {,} means to enter a reverse-field heart with CTRL-comma, {5 U} means to enter five inverse-video CTRL-U's.
{=} actually means that you should press SHIFT+= and not CONTROL+= to create the pipe or up/down line. SuperFont Plus includes this code on line 470 as an inverse character.
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