various docs updates

docs/reference.md

@@ -1,10 +1,12 @@
 # Reference
 
-## micro:bit
-
 ```namespaces
 basic.showString("Hello!");
 input.onButtonPressed(Button.A, () => {});
+for (let i = 0;i<5;++i) {}
+if (true){}
+let x = 0;
+Math.random(5);
 led.plot(0,0);
 radio.sendNumber(0);
 music.playTone(music.noteFrequency(Note.C), music.beat(BeatFraction.Whole));
@@ -13,146 +15,3 @@ pins.digitalReadPin(DigitalPin.P0);
 serial.writeLine("Hello!");
 control.inBackground(() => {});
 ```
-
-## Language
-
-### @section full
-
-### ~column 
-
-### Loops
-
-[for](/microbit/reference/loops/for)
-
-```block
-for(let i = 0;i<5;i++) {}
-```
-
-[repeat](/microbit/reference/loops/repeat)
-
-![](/static/mb/blocks/contents-0.png)
-
-[while](/microbit/reference/loops/while)
-
-```block
-while(true) {}
-```
-
-[forever](/microbit/reference/basic/forever)
-
-```block
-basic.forever(() => {})
-```
-
-### ~
-
-### ~column 
-
-### Logic
-
-[if](/microbit/reference/logic/if)
-
-```block
-if(false) {
-}
-```
-
-[Boolean](/microbit/reference/types/boolean) values: *true*; *false*
-
-```block
-true
-false
-```
-
-Boolean binary operators: *and* (conjunction); *or* (disjunction)
-
-```block
-true && false;
-true || false;
-```
-
-Boolean negation operator
-
-```block
-!true
-```
-
-Comparison operators (=, !=, <, >, <=, >=)
-
-```block
-0 == 0;
-1 !- 0;
-0 < 1;
-1 > 0;
-0 <= 1;
-1 >= 0;
-```
-
-### Variables
-
-[Assign](/microbit/reference/variables/assign) (set) a variable's value
-
-```block
-let x = 0;
-```
-
-Get a variable's value
-
-```block
-let x = 0;
-x;
-```
-
-[Change](/microbit/reference/variables/change-var) a variable's value
-
-```block
-let x = 0;
-x+=1;
-```
-### ~
-
-### ~column 
-
-
-### Math
-
-[Numeric](/microbit/reference/types/number) values: 0, 1, 2, ...
-
-```block
-0;
-1;
-2;
-```
-
-Arithmetic binary operation (+, -, *, /)
-
-```block
-0+1;
-0-1;
-1*2;
-3/4;
-```
-
-Absolute value
-
-```block
-Math.abs(-5);
-```
-
-Minimum/maximum of two values
-
-```block
-Math.min(0, 1);
-Math.max(0, 1);
-```
-
-Random value
-
-```block
-Math.random(5);
-```
-### Comments
-
-[comment](/microbit/reference/comment)
-
-### ~

docs/reference/logic.md

@@ -0,0 +1,39 @@
+# Logic
+
+[if](/microbit/reference/logic/if)
+
+```blocks
+if(true) {
+}
+```
+
+[Boolean](/microbit/reference/types/boolean) values: *true*; *false*
+
+```blocks
+true
+false
+```
+
+Boolean binary operators: *and* (conjunction); *or* (disjunction)
+
+```blocks
+true && false;
+true || false;
+```
+
+Boolean negation operator
+
+```blocks
+!true
+```
+
+Comparison operators (=, !=, <, >, <=, >=)
+
+```blocks
+0 == 0;
+1 !- 0;
+0 < 1;
+1 > 0;
+0 <= 1;
+1 >= 0;
+```

docs/reference/loops.md

@@ -0,0 +1,26 @@
+# Loops
+
+Repeat code.
+
+
+[for](/reference/loops/for)
+
+```blocks
+for(let i = 0;i<5;i++) {}
+```
+
+[repeat](/reference/loops/repeat)
+
+![](/static/mb/blocks/contents-0.png)
+
+[while](/reference/loops/while)
+
+```blocks
+while(true) {}
+```
+
+[forever](/reference/basic/forever)
+
+```blocks
+basic.forever(() => {})
+```

docs/reference/math.md

@@ -0,0 +1,37 @@
+# Math
+
+[Numeric](/reference/types/number) values: 0, 1, 2, ...
+
+```blocks
+0;
+1;
+2;
+```
+
+Arithmetic binary operation (+, -, *, /)
+
+```blocks
+0+1;
+0-1;
+1*2;
+3/4;
+```
+
+Absolute value
+
+```blocks
+Math.abs(-5);
+```
+
+Minimum/maximum of two values
+
+```blocks
+Math.min(0, 1);
+Math.max(0, 1);
+```
+
+Random value
+
+```blocks
+Math.random(5);
+```

docs/reference/variables.md

@@ -0,0 +1,21 @@
+## Variables
+
+[Assign](/reference/variables/assign) (set) a variable's value
+
+```blocks
+let x = 0;
+```
+
+Get a variable's value
+
+```blocks
+let x = 0;
+x;
+```
+
+[Change](/reference/variables/change-var) a variable's value
+
+```blocks
+let x = 0;
+x+=1;
+```