forthcode:</code></pre>\r
</div></div>\r
</div></div>\r
+<div class="paragraph"><p>Note that the FORTH compiler does not invoke an assembler so any\r
+inline assembly code must be provided in its binary form.</p></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
the point of execution. If the value, v, is 0 then the branch offset\r
is added, and otherwise execution continues with the cell following\r
the branch offset in the definition.</p></div>\r
+<div class="paragraph"><p>Note that the branch offset is a byte count and each FORTH word of a\r
+definition take up a cell of 8 bytes. The offset is relative to the\r
+cell address immediately subsequent to the offset cell. In other\r
+words, offset 0 is not branching anywhere and an offset of -16 would\r
+make a tight loop back to the branch instruction itself. The latter\r
+would pull data stack values until and including the first non-zero\r
+value.</p></div>\r
+<div class="paragraph"><p>See also <a href="#p_1branch">1BRANCH</a>, <a href="#p_branch">BRANCH</a>, <a href="#p_if">IF</a>,\r
+<a href="#p_else">ELSE</a>, <a href="#p_ifbreak">IFBREAK</a> and <a href="#p_ifagain">IFAGAIN</a>.</p></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
<div class="paragraph"><p>"0=" is a function word that replaces a value with its logical\r
complement; the result is zero if the value non-zero, and the result\r
is non-zero if the value is zero.</p></div>\r
-<div class="paragraph"><p>Compare with <a href="#p_not">NOT</a>.</p></div>\r
+<div class="paragraph"><p>This is the same function as <a href="#p_not">NOT</a>.</p></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
less than 0, and 0 otherwise.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 1: Word: 0<</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: 0= 0 SWAP < ;</code></pre>\r
+<div class="title">Definition concept for 0<</div>\r
+<div class="paragraph"><p>( v — 0/1 ) : 0= 0 SWAP < ;</p></div>\r
</div></div>\r
</div></div>\r
-<div class="paragraph"><p>See also <a href="#p_swap">SWAP</a> and\r
-<a href="#p_lessthan"><</a>.</p></div>\r
+<div class="paragraph"><p>See also <a href="#p_swap">SWAP</a> and <a href="#p_lessthan"><</a>.</p></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
the point of execution. If the value, v, is non-zero then the branch\r
offset is added, and otherwise execution continues with the cell\r
following the branch offset in the definition.</p></div>\r
+<div class="paragraph"><p>Note that the branch offset is a byte count and each FORTH word of a\r
+definition take up a cell of 8 bytes. The offset is relative to the\r
+cell address immediately subsequent to the offset cell. In other\r
+words, offset 0 is not branching anywhere and an offset of -16 would\r
+make a tight loop back to the branch instruction itself. The latter\r
+would pull data stack values until and including the first zero value.</p></div>\r
+<div class="paragraph"><p>See also <a href="#p_0branch">0BRANCH</a>, <a href="#p_branch">BRANCH</a>, <a href="#p_if">IF</a>,\r
+<a href="#p_else">ELSE</a>, <a href="#p_ifbreak">IFBREAK</a> and <a href="#p_ifagain">IFAGAIN</a>.</p></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
stack.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 2: Word: 2DUP</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: 2DUP OVER OVER ;</code></pre>\r
+<div class="title">Definition concept for 2DUP</div>\r
+<div class="paragraph"><p>( v1 v2 — v1 v2 v1 v2 ) : 2DUP OVER OVER ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
working with cell pairs rather than single cells.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 3: Word: 2OVER</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: 2OVER 3 PICK 3 PICK ;</code></pre>\r
+<div class="title">Definition concept for 2OVER</div>\r
+<div class="paragraph"><p>( v1 v2 v3 v4 — v1 v2 v3 v4 v1 v2 ) : 2OVER 3 PICK 3 PICK ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
working with cell pairs rather than single cells.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 4: Word: 2SWAP</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: 2SWAP 3 ROLL 3 ROOL ;</code></pre>\r
+<div class="title">Definition concept for 2SWAP</div>\r
+<div class="paragraph"><p>( v1 v2 v3 v4 — v3 v4 v1 v2 ) : 2SWAP 3 ROLL 3 ROLL ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
at the current free head address, which also is incremented.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 5: Word: C,</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: C, HERE @ 1 ALLOT C! ; ( v -- ; Claim 1 byte and put lsb value there )</code></pre>\r
+<div class="title">Definition concept for C,</div>\r
+<div class="paragraph"><p>: C, HERE @ 1 ALLOT C! ; ( v — ; Claim 1 byte and put lsb value there )</p></div>\r
</div></div>\r
</div></div>\r
<div class="paragraph"><p>See also <a href="#p_colon">:</a>, <a href="#p_comma">[p_comma]</a>. <a href="#p_here">HERE</a>, <a href="#p_get">@</a>,\r
supported.</p></div>\r
<div class="paragraph"><p>See also <a href="#p_digits">DIGITS</a>, which holds the mapping table from\r
digits to text.</p></div>\r
-<div class="exampleblock">\r
-<div class="content">\r
-<div class="paragraph"><div class="title">Usage example 3: claim 16 bytes for variable FOO</div><p>CREATE FOO BASE</p></div>\r
-</div></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
address for resolving branches back to this point during execution,\r
and then a 0 as a marker so as to allow for an unknown number of block\r
exit points.</p></div>\r
+<div class="exampleblock">\r
+<div class="content">\r
+<div class="listingblock">\r
+<div class="title">Usage example 3:</div>\r
+<div class="content">\r
+<pre><code>: WTELL ( tfa -- ; Print word pname )\r
+ 24 + DUP 8 + SWAP @ TELL SP EMIT\r
+;\r
+\r
+: WORDS ( wordlist -- ; Print all words of word list )\r
+ BEGIN\r
+ @ DUP 0= IFBREAK\r
+ DUP WTELL\r
+ END\r
+ DROP\r
+ NL EMIT\r
+;</code></pre>\r
+</div></div>\r
+</div></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
</div></div>\r
<div class="paragraph"><p>"[']" is an immediate function word that reads the next word on the\r
input stream and pushes its cfa.</p></div>\r
+<div class="exampleblock">\r
+<div class="content">\r
+<div class="sidebarblock">\r
+<div class="content">\r
+<div class="title">Definition concept for [']</div>\r
+<div class="paragraph"><p>: ['] IMMEDIATE ' ;</p></div>\r
+</div></div>\r
+</div></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
<div class="paragraph"><p>"BRANCH" is a function word that implements execution transfer by\r
means of adding the subsequent branch offset to the point of\r
execution.</p></div>\r
+<div class="paragraph"><p>Note that the branch offset is a byte count and each FORTH word of a\r
+definition take up a cell of 8 bytes. The offset is relative to the\r
+cell address immediately subsequent to the offset cell. In other\r
+words, offset 0 is not branching anywhere and an offset of -16 would\r
+make a tight loop back to the branch instruction itself. The latter\r
+would pull data stack values until and including the first zero value.</p></div>\r
+<div class="paragraph"><p>See also <a href="#p_0branch">0BRANCH</a>, <a href="#p_1branch">1BRANCH</a>, <a href="#p_if">IF</a>,\r
+<a href="#p_else">ELSE</a>, <a href="#p_ifbreak">IFBREAK</a> and <a href="#p_ifagain">IFAGAIN</a>.</p></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
Similar to <a href="#p_ifbreak">IFBREAK</a> it lays out the branch cell\r
followed by a reserved cell for the branch offset, and inserts the\r
resolution address just above the required 0 on the data stack.</p></div>\r
+<div class="exampleblock">\r
+<div class="content">\r
+<div class="listingblock">\r
+<div class="title">Usage example 4: unconditional break with a condition.</div>\r
+<div class="content">\r
+<pre><code>: WTELL ( tfa -- ; Print word pname )\r
+ 24 + DUP 8 + SWAP @ TELL SP EMIT\r
+;\r
+\r
+: WORDS ( wordlist -- ; Print all words of word list )\r
+ BEGIN\r
+ @ DUP IF DUP WTELL ELSE BREAK THEN\r
+ END\r
+ DROP\r
+ NL EMIT\r
+;</code></pre>\r
+</div></div>\r
+</div></div>\r
+<div class="paragraph"><p>See also <a href="#p_branch">BRANCH</a>, <a href="#p_0branch">0BRANCH</a>,\r
+<a href="#p_1branch">1BRANCH</a>, <a href="#p_if">IF</a>, <a href="#p_else">ELSE</a>,\r
+<a href="#p_ifbreak">IFBREAK</a> and <a href="#p_ifagain">IFAGAIN</a>.</p></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
and setting evaluation state to compiling mode.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 6: Word: :</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: : doFORTH READ-WORD CREATE TFA>CFA ! ] ;</code></pre>\r
+<div class="title">Definition concept for :</div>\r
+<div class="paragraph"><p>: : doFORTH READ-WORD CREATE TFA>CFA ! ] ;</p></div>\r
</div></div>\r
</div></div>\r
<div class="paragraph"><p>See also <a href="#p_doforth">doFORTH</a>, <a href="#p_read_word">READ-WORD</a>,\r
<a href="#p_here">HERE</a> heap.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept7: Word: ,</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: , HERE @ 8 ALLOT ! ; ( v -- ; Claim 8 bytes and put value there )</code></pre>\r
+<div class="title">Definition concept for ,</div>\r
+<div class="paragraph"><p>: , HERE @ 8 ALLOT ! ; ( v — ; Claim 8 bytes and put value there )</p></div>\r
</div></div>\r
</div></div>\r
<div class="paragraph"><p>See also <a href="#p_colon">:</a>, <a href="#p_Ccomma">[p_Ccomma]</a>. <a href="#p_here">HERE</a>, <a href="#p_get">@</a>,\r
<div class="exampleblock">\r
<div class="content">\r
<div class="listingblock">\r
+<div class="title">Layout 1: rrqforth word structure</div>\r
<div class="content">\r
<pre><code>struct WORD\r
TFA 8 link ; tfa of previous word\r
for RRQFORTH constants created by "CONSTANT".</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 8: Word: CREATE</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>HERE @ R> ( save tfa on RS )\r
+<div class="title">Definition concept for CREATE</div>\r
+<div class="paragraph"><p>HERE @ R> ( save tfa on RS )\r
R@ CURRENT-WORD @ DUP @ , ! ( link in a new word )\r
DUP 49 + R@ + , ( pCFA )\r
0 , ( flags )\r
HERE @ ROT ROT MEMCPY 0 C, ( pname + NUL )\r
R@ , ( pTFA )\r
0 , ( OFF )\r
- doVARIABLE ( CFA, default semantics )</code></pre>\r
+ doVARIABLE ( CFA, default semantics )</p></div>\r
</div></div>\r
</div></div>\r
-<div class="sidebarblock">\r
+<div class="exampleblock">\r
+<div class="content">\r
+<div class="listingblock">\r
+<div class="title">Usage example 5: a possible definition of CONSTANT</div>\r
<div class="content">\r
-<div class="title">Usage example: a possible definition of CONSTANT</div>\r
-<div class="paragraph"><p>: CONSTANT READ-WORD CREATE TFA>DFA doVALUE OVER 8 - ! ! ;</p></div>\r
+<pre><code>: CONSTANT READ-WORD CREATE TFA>DFA doVALUE OVER 8 - ! ! ;</code></pre>\r
+</div></div>\r
</div></div>\r
<div class="paragraph"><p>See also <a href="#p_put">!</a>, <a href="#p_plus">+</a>, <a href="#p_comma">[p_comma]</a>, <a href="#p_get">@</a>,\r
<a href="#p_Ccomma">[p_Ccomma]</a>, <a href="#p_current_word">CURRENT-WORD</a>, <a href="#p_dup">DUP</a>,\r
<div class="exampleblock">\r
<div class="content">\r
<div class="listingblock">\r
-<div class="title">Layout 1: word list word content</div>\r
+<div class="title">Layout 2: word list word content</div>\r
<div class="content">\r
<pre><code> 8 TFA of latest word in the word list\r
8 DFA of the/a subsequent word list to search through</code></pre>\r
<div class="paragraph"><p>"DECIMAL" is a function word that sets <a href="#p_base">BASE</a> to 10.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 9: Word: DECIMAL</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: DECIMAL 10 BASE ! ;</code></pre>\r
+<div class="title">Definition concept for DECIMAL</div>\r
+<div class="paragraph"><p>: DECIMAL 10 BASE ! ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
have its execution start at whatever comes after "DOES>".</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Word: DOES></div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: DOES> IMMEDIATE\r
+<div class="title">Defintion concept for DOES></div>\r
+<div class="paragraph"><p>: DOES> IMMEDIATE\r
STATE @ != IF ( only for compilation mode )\r
CURRENT-WORDLIST @ @ TFA>CFA ( cfa of current word )\r
doDOES OVER ! ( set up doer )\r
HERE @ OVER 8 + - SWAP 8 - ! ( set up offset\r
THEN\r
-;</code></pre>\r
+;</p></div>\r
</div></div>\r
</div></div>\r
<div class="paragraph"><p>See also\r
stack while reading, parsing and executing.</p></div>\r
<div class="paragraph"><p>If "EVALUATE-STREAM" ends with 0, then <a href="#p_this_word">THIS-WORD</a> holds\r
the [n:chars] reference of the offending word in the stream buffer.</p></div>\r
-<div class="exampleblock">\r
-<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 10: Word: EVALUATE-STREAM</div>\r
-<div class="content">\r
-<pre><code>( too complex to include here )</code></pre>\r
-</div></div>\r
-</div></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
then decrements the cell at that address by n.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Defintion concept 11Word: @n++</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: @n++ OVER @ DUP ROT - ROT ! ;</code></pre>\r
+<div class="title">Defintion concept for @n++</div>\r
+<div class="paragraph"><p>: @n++ OVER @ DUP ROT - ROT ! ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
</div></div>\r
<div class="paragraph"><p>"HERE" is a variable word that keeps the lowest address of the free\r
allocation space. It get updated by all words that allocate memory.</p></div>\r
+<div class="exampleblock">\r
+<div class="content">\r
<div class="sidebarblock">\r
<div class="content">\r
-<div class="title">Usage example</div>\r
-<div class="paragraph"><p>1024 HEAP @ + HEAP ! ( allocate 1024 bytes on the heap )</p></div>\r
+<div class="title">allocate 1024 bytes on the heap</div>\r
+<div class="paragraph"><p>1024 HEAP @ + HEAP !</p></div>\r
+</div></div>\r
</div></div>\r
<div class="paragraph"><p>See also <a href="#p_allot">ALLOT</a>.</p></div>\r
<div style="text-align:center">\r
on input).</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 12: Word: HEX</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: HEX 16 BASE ! ;</code></pre>\r
+<div class="title">Definition concept for HEX</div>\r
+<div class="paragraph"><p>: HEX 16 BASE ! ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
the most recent word to 1, thereby making that word an immediate word.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 13:Word: IMMEDIATE</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: IMMEDIATE IMMEDIATE 1 CURRENT-WORDLIST @ @ 16 + ! ;</code></pre>\r
+<div class="title">Definition concept for IMMEDIATE</div>\r
+<div class="paragraph"><p>: IMMEDIATE IMMEDIATE 1 CURRENT-WORDLIST @ @ 16 + ! ;</p></div>\r
</div></div>\r
</div></div>\r
<div class="paragraph"><p>See also <a href="#p_colon">:</a>, <a href="#p_current_wordlist">CURRENT-WORDLIST</a>,\r
after parsing, by invoking their "doer".</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 14: Word: [</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: [ IMMEDIATE 0 STATE ! ;</code></pre>\r
+<div class="title">Definition concept for [</div>\r
+<div class="paragraph"><p>: [ IMMEDIATE 0 STATE ! ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
<div class="paragraph"><p>It’s not a good idea to use "LIT" interactively.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 15: Word: LIT</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: LIT R> DUP 8 + >R @ ;</code></pre>\r
+<div class="title">Definition concept for LIT</div>\r
+<div class="paragraph"><p>: LIT R> DUP 8 + >R @ ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
similar to <a href="#p_lit">LIT</a> but for a string literal.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 16: Word: LIT</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: LIT R> DUP @ 2DUP + 8 + >R SWAP 8 + SWAP ;</code></pre>\r
+<div class="title">Definition concept for LIT</div>\r
+<div class="paragraph"><p>: LIT R> DUP @ 2DUP + 8 + >R SWAP 8 + SWAP ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
on the data stack.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 17: Word: NIP</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: NIP SWAP DROP ;</code></pre>\r
+<div class="title">Definition concept for NIP</div>\r
+<div class="paragraph"><p>: NIP SWAP DROP ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
base, letters a-f or A-F for values 10-15. I.e. the normal positive or\r
negative decimal integers or normal (positive only) hexadecimal\r
integers.</p></div>\r
-<div class="exampleblock">\r
-<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 18: Word: NUMBER</div>\r
-<div class="content">\r
-<pre><code>( too complex to include here )</code></pre>\r
-</div></div>\r
-</div></div>\r
<div style="text-align:center">\r
_______________________________________________________\r
</div>\r
wordlist; i.e., the word list may contain definitions for numbers.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 19: Word: ]</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: ] 1 STATE ! ;</code></pre>\r
+<div class="title">Definition concept for ]</div>\r
+<div class="paragraph"><p>: ] 1 STATE ! ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
by means of adding an <a href="#p_exit">EXIT</a></p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 20: Word: :</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: ; IMMEDIATE ' EXIT , ;</code></pre>\r
+<div class="title">Definition concept for ;</div>\r
+<div class="paragraph"><p>: ; IMMEDIATE ' EXIT , ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
<div class="exampleblock">\r
<div class="content">\r
<div class="listingblock">\r
-<div class="title">Stream layout 2, for file descriptor</div>\r
+<div class="title">Layout 3: file descriptor stream</div>\r
<div class="content">\r
<pre><code> 8 bytes = size of buffer (excluding the 32 byte header)\r
8 bytes source file descriptor\r
<div class="exampleblock">\r
<div class="content">\r
<div class="listingblock">\r
-<div class="title">Stream layout 3, for memory block</div>\r
+<div class="title">Layout 4: memory block stream</div>\r
<div class="content">\r
<pre><code> 8 bytes = block address\r
8 -1 (indicates memory block)\r
<div class="paragraph"><p>"TFA>FLAGS@" is a function word that pushes word flags of the given tfa.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Defintion concept 21Word: TFA>FLAGS@</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: TFA>FLAGS@ 16 + @ ;</code></pre>\r
+<div class="title">Defintion concept for TFA>FLAGS@</div>\r
+<div class="paragraph"><p>: TFA>FLAGS@ 16 + @ ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
terminated as well as preceded by a length cell.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Defintion concept for TFA>NAMEZ</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: TFA>NAMEZ 32 + ;</code></pre>\r
+<div class="title">Defintion concept for TFA>NAMEZ</div>\r
+<div class="paragraph"><p>: TFA>NAMEZ 32 + ;</p></div>\r
</div></div>\r
</div></div>\r
<div style="text-align:center">\r
cell on the data stack.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 22: Word: TUCK</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: TUCK SWAP OVER ;</code></pre>\r
+<div class="title">Definition concept for TUCK</div>\r
+<div class="paragraph"><p>: TUCK SWAP OVER ;</p></div>\r
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</div></div>\r
<div style="text-align:center">\r
lo, inclusive and third, hi, exclusive.</p></div>\r
<div class="exampleblock">\r
<div class="content">\r
-<div class="listingblock">\r
-<div class="title">Definition concept 23: Word: WITHIN</div>\r
+<div class="sidebarblock">\r
<div class="content">\r
-<pre><code>: WITHIN 2 PICK > ROT ROT <= AND ;</code></pre>\r
+<div class="title">Definition concept for WITHIN</div>\r
+<div class="paragraph"><p>: WITHIN 2 PICK > ROT ROT ⇐ AND ;</p></div>\r
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<div style="text-align:center">\r