--- uae/docs/README.PROGRAMMERS	2018/04/24 16:44:34	1.1.1.6
+++ uae/docs/README.PROGRAMMERS	2018/04/24 16:58:02	1.1.1.9
@@ -84,6 +84,12 @@ od-*/     operating system dependent fil
 td-*/     thread library dependent files, linked to threaddep by configure
 sd-*/     Sound code. sd-* is only for sound systems which are not OS specific
           or for which no "od-*" directory exists. Linked to sounddep
+scg-*/    SCSI code.
+          This is the same code as in the cdrecord libscg, so this will become
+          obsolete as soon as the libscg is released seperately. In the meantime,
+          UAE will be distributed together with the code itself, because it
+          also requires patching: not every libscg implementation is thread-safe
+          in the current cdrecord version.
 targets/  Contains header files which contain some information about which
           options a specific port of UAE understands.
 
@@ -101,6 +107,7 @@ guidelines.
   This applies to _all_ OS/CPU/compiler specific details. Basically, nothing
   of that sort should appear in src/*.c (we're a bit away from that goal at
   the moment, but it's getting better).
+* Repeat after me: #ifdefs are evil (most of the time).
 * Make sure your code does not make assumption about type sizes other than
   the minimum widths allowed by C. If you need specific type sizes, use the
   uae_u32 type and its friends.
@@ -293,7 +300,10 @@ F0FF40: startup_handler(), handles only
 F0FF50: used by the EXTER interrupt which we set up for the filesystem.
 F0FF60: used by the uaectrl/uae-control programs (see uaelib.c)
 F0FF70: used by the task that gets set up for the mouse emulation.
-
+F0FF80: getchipmemsize()
+F0FF90: uaeexe
+F0FFA0: timehack
+F0FFB0: AHI
 
 * How the compiler works