PSP: links for setting up, compiling and running on PSP

docs/README-psp.md

@@ -9,10 +9,22 @@ Credit to
 
 Building
 --------
-To build for the PSP, make sure psp-config is in the path and run:
+To build SDL2 library for the PSP, make sure psp-config is in the path and run:
    make -f Makefile.psp
 
 
+Getting PSP toolchain
+---------------------
+https://github.com/pspdev/psptoolchain
+
+Running on PPSSPP Emulator
+--------------------------
+https://github.com/hrydgard/ppsspp
+( https://github.com/hrydgard/ppsspp/wiki/Build-instructions )
+
+Compiling an HelloWorld
+-----------------------
+https://psp-dev.org/doku.php?id=tutorial:hello_world
 
 To Do
 ------