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Language2.md

@@ -0,0 +1,88 @@
+# Advance functions
+    1. px means the pointer value after executing this line
+    2. #x means the order x of the cell
+
+## compare(x, y, ret): compare #0 and #1
+
+`#2 = 0` if #0 equals #1;
+
+`#2 = 1` if #0 larger than #1;
+
+`#2 = -1 = 255` if #0 smaller than #1;
+
+```
+[-]>[-]>[-]>[-]>[-]>[-]>[-]<<<<<<   // clear #0~#6
+++++++++                           // p0; #0
+>
++++++++++                          // p1; #1
+
+########################### perpare compare ###########################
+<[->>+>+<<<]>>>[-<<<+>>>]          // p3; #2 = #0
+<<[->>+>+>+<<<<]>>>[-<<<+>>>]      // p4; #5 = #3 = #1
++                                  // p4; #4 flag
+                                   // p4; #5 = #3 = #1
+                                   // p4; #6; buffer
+<<                                 // p2
+
+// p2
+[
+->-                                // p3; sub #2 and #3
+>-                                 // p4; clear the flag
+<[>+<[-]]                          // p3; #3 not 0; then set the flag and clear #3 to break the loop; else continue 
+[-]>>-[->+<<<+>>]>[-<+>]           // p6; copy #5 sub 1 to #3
+<<<<                               // p2
+]
+<<                                 // p0
+########################### perpare compare ###########################
+
+// if flag is set; then #0 smaller than #1; else #0 lager equals #1
+// and if #3 equals 0; then #0 equals #2
+>>>>                               // p4
+-[                                 // p4; if flag is not set;
+<[<+>>[-]]<<+>>                    // p4; then if #3 not 0; then #2 = 2; else #2 = 1;
+]
+<<-                                // p2; #2 sub 1
+<<                                 // p0;
+
+// clear #3~6
+>>>[-]>[-]>[-]>[-]<<<<<<
+```
+
+## min(x, y. min{x,y}): put the min value from #0 and #1 to #2
+
+```
+[-]>[-]>[-]>[-]>[-]>[-]>[-]<<<<<<   // clear #0~#6
+++++++++                           // p0; #0
+>
++++++++++                          // p1; #1
+perpare_compare(#0, #1, #2, #3, #4, #5, #6);
+
+// if flag is set; then #0 smaller than #1; else #0 lager equals #1
+>>>[-]+>                                 // p4; set #3 = 1
+[<-<<<[->>+>+<<<]>>>[-<<<+>>>]>[-]]      // p4; if flag is set; set #3 = 0; copy #0 to #2;
+<[-<<[->+>+<<]>>[-<<+>>]]                // p3; if #3 = 1; copy #1 to #2
+<<< // p0
+
+// clear #3~6
+>>>[-]>[-]>[-]>[-]<<<<<<
+```
+
+
+## max(x, y. max{x,y}): put the max value from #0 and #1 to #2
+
+```
+[-]>[-]>[-]>[-]>[-]>[-]>[-]<<<<<<   // clear #0~#6
+++++++++                           // p0; #0
+>
++++++++++                          // p1; #1
+perpare_compare(#0, #1, #2, #3, #4, #5, #6);
+
+// if flag is set; then #0 smaller than #1; else #0 lager equals #1
+>>>[-]+>                                 // p4; set #3 = 1
+[<-<<[->+>+<<]>>[-<<+>>]>[-]]            // p4; if flag is set; set #3 = 0; copy #1 to #2;
+<[-<<<[->>+>+<<<]>>>[-<<<+>>>]]          // p3; if #3 = 1; copy #0 to #2
+<<<                                      // p0
+
+// clear #3~6
+>>>[-]>[-]>[-]>[-]<<<<<<
+```

README.md

@@ -11,17 +11,33 @@
 
 ## "Hello World!"
 
-    >+++ [<++++ >-] <-
-    [>>+++ [<+++ >-] < [>>+ >+ >+ [<]<-] >>- - >>++ >++++ >+++ [<]<<-]
-    >>>. >--. >. >. >-. >
-    >+++ [<+++ >-] <- [>>>+++ [<<+++ >>-] <++++ <<-] >+. >. >
-    >+++ [<+++ >-] <
-    [>>+++ [<++++ >-]< [>>+ >+ >+ >+ [<]<-] >>>>+ >- [<]<<-]
-    >>>. >+++. >+. >++. >
-    >+++ [<+++ >-]< [>+++ <-] >+++++. >
-    >+++ [<++++ >-] <-
-    [>>+++ [<++++ >-] <- [>>+ >+ >+ [<] <-] >>>- >>+++ [<] <<-]
-    >>>. >+. >----. >.
+    >+++[-<+++>]<+[->+++++<]
+    >[-<+>>+>+<<]<--->
+    ++++++[->++++++++<]>-
+    <++++[->>++++<<]
+
+    ++[->+++<]>+.
+    <+++[->++++<]>..
+    ----.+++.
+    <+++[-<++++>]<-.
+    >+++[-<---->]<+..
+    >+++[->----<]>.++.
+    <+++[->++++<]>-.
+    <+++[->----<]>.
+    <+++[->++++<]>+.
+    <++++[->-----<]>+.
+    <<-.>>+.<+++[->++++<]>.
+    --.<<+.
+    >>++++++.<+++[->---<]>-.
+    ------.<+++[->+++<]>-.
+    <+++[->++++<]>.
+    <+++[->---<]>+.
+    +++.-----.<<.
+    >>>.<+++++.<++++[->----<]>-.
+    <+++[->+++<]>-.+++++.
+    >++++.<+++++++.
+    <++++[->----<]>--.
+    <+++[->+++<]>-.
 
 ## Run It