update readme

README.md

@@ -1,10 +1,27 @@
 currently, this just displays a test image and dumps
 some text to a computer connected via the 64drive's USB port.
-the image is [a test card by Väinö Helminen](http://vah.dy.fi/testcard/)
+the image is [a test card by Väinö Helminen.](http://vah.dy.fi/testcard/)
 
-i'm also borrowing some code from [krom's repo.](https://github.com/PeterLemon/N64/)
+i'm borrowing some code from [krom's repo.](https://github.com/PeterLemon/N64/)
+this has been very useful in getting things up-and-running on the N64
+and i suggest you check out their work.
+
+the [Dwarf Fortress][dwarf] 8x12 font is included as a 1-bit-per-pixel image.
+
+a [F3DZEX][zexdocs] disassembly is included. i did this myself.
+disassemblies of its data section and the 6102 bootcode
+will be done in the future.
+
+[dwarf]: http://www.bay12games.com/dwarves/
+[zexdocs]: https://wiki.cloudmodding.com/oot/F3DZEX
+
+### building
 
 you will need to compile
 [bass (the assembler)](https://github.com/ARM9/bass) (ARM9's fork)
 and [z64crc](https://github.com/notwa/mm/blob/master/z64crc.c)
-(to be included in this repo later).
+(to be included in this repo later). then, run:
+```
+bass main.asm
+z64crc test.z64
+```