Forgot to check in the build script.

mkninja.sh

@@ -364,6 +364,7 @@ buildlibrary libfmt.a \
     dep/fmt/os.cc \
 
 buildproto libconfig.a \
+    arch/agat/agat.proto \
     arch/aeslanier/aeslanier.proto \
     arch/amiga/amiga.proto \
     arch/apple2/apple2.proto \
@@ -397,6 +398,8 @@ buildlibrary libbackend.a \
     -Idep/libusbp/include \
     -d $OBJDIR/proto/libconfig.def \
     -d $OBJDIR/proto/libfl2.def \
+    arch/agat/agat.cc \
+    arch/agat/decoder.cc \
     arch/aeslanier/decoder.cc \
     arch/amiga/amiga.cc \
     arch/amiga/decoder.cc \
@@ -487,6 +490,7 @@ buildlibrary libbackend.a \
 FORMATS="\
     acornadfs \
     acorndfs \
+    agat840 \
     aeslanier \
     amiga \
     ampro \