Doc/updates

docs/at.md

@@ -15,5 +15,5 @@ It can be used both as a [PRINT modifier](print#modifiers.md) and a [variable de
 
 * [PRINT](print.md)
 * [DIM](dim.md) - Variable Declarations
-* [POS](pos.md)
-* [CSRLIN](csrlin.md)
+* [POS](library/pos.md)
+* [CSRLIN](library/csrlin.md)

docs/library.md

@@ -40,7 +40,7 @@ Here are some alternative functions using faster integer and fixed output.
 * [clearBox.bas](library/clearbox.md)
 <br /> Sub to clear a subset of the screen - a window defined with a character box.
 
-* [crslin.bas](csrlin.md)
+* [crslin.bas](library/csrlin.md)
 <br /> Function to get the current cursor vertical co-ordinate.
 
 * [fastPlot.bas](library/fastplot.md)
@@ -58,7 +58,7 @@ instead of just character positions. (20% faster per character, but much larger
 <br /> Function to mirror the bits in a byte - the basis of printing, say a left facing sprite,
 if all you have are right facing graphics stored.
 
-* [pos.bas](pos.md)
+* [pos.bas](library/pos.md)
 <br /> Function to get the current cursor horizontal co-ordinate.
 
 * [windowPaint.bas](library/windowpaint.md)

docs/library/attr.md

@@ -0,0 +1,35 @@
+##Requirements
+
+ATTR is a library function to be included with the following command:
+
+```
+#include <attr.bas>
+```
+
+##Description
+`ATTR(row, col)`
+
+Returns the ATTR (color attribute) of the given screen coordinate at the given row and column.
+
+
+##Sample usage
+
+```
+#include <attr.bas>
+
+PRINT AT 9, 10;PAPER 4; "A"
+LET s = ATTR$(9, 10)
+PRINT AT 0, 0; "The attribute of screen position 9, 10 is "; s
+```
+
+##Remarks
+
+* This function extends the one in Sinclair BASIC (and it's compatible with it) since it also allows rows 22 and 23.
+
+
+
+##See also
+
+* [ CSRLIN ](csrlin.md)
+* [ POS](pos.md)
+* [ AT ](../at.md)

docs/csrlin.md → docs/library/csrlin.md

@@ -25,4 +25,4 @@ CSRLIN is a library function to be included with the following command:
 ##See also
 
 * [ POS](pos.md)
-* [ AT ](at.md)
+* [ AT ](../at.md)

docs/pos.md → docs/library/pos.md

@@ -16,5 +16,5 @@ POS is a library function to be included with the following directive:
 
 ##See also
 
-* [ AT ](at.md)
+* [ AT ](../at.md)
 * [ CSRLIN](csrlin.md)