diff --git a/Makefile b/Makefile
index 7c09afb..89ba4f6 100755
--- a/Makefile
+++ b/Makefile
@@ -21,32 +21,27 @@ dflags = -MT $@ -MMD -MP -MF $(@:%.o=%.d)
 TARGETS := $(filter-out fxconv,$(TARGETS))
 bin = $(TARGETS:%=bin/%)
 
-# fxconv has no sources files because it's written in Python
+# fxconv has no sources files because it's written in Python, and fxsdk has no
+# source either because it's written in Bash.
 src = $(wildcard $1/*.c)
-src-fxsdk  := $(call src,fxsdk)
 src-fxg1a  := $(call src,fxg1a)
 src-fxos   := $(call src,fxos)
 lex-fxos   := $(wildcard fxos/*.l)
 
 obj = $($1:%=build/%.o)
 lex = $($1:%.l=build/%.yy.c.o)
-obj-fxsdk  := $(call obj,src-fxsdk)
 obj-fxg1a  := $(call obj,src-fxg1a)
 obj-fxos   := $(call obj,src-fxos) $(call lex,lex-fxos)
 
 # Symbolic targets
 
 all: $(bin)
-	@echo $(lex-fxos)
 
-all-fxsdk: bin/fxsdk
 all-fxg1a: bin/fxg1a
 all-fxos: bin/fxos
 
 # Explicit targets
 
-bin/fxsdk: $(obj-fxsdk) | bin/
-	gcc $^ -o $@ $(lflags)
 bin/fxg1a: $(obj-fxg1a) | bin/
 	gcc $^ -o $@ $(lflags)
 bin/fxos: $(obj-fxos) | bin/
@@ -93,6 +88,10 @@ install: $(bin)
 	install -d $(PREFIX)/share/fxsdk
 	install $(bin) -m 755 $(PREFIX)/bin
 	install fxos/*.txt -m 644 $(PREFIX)/share/fxsdk
+	install -d $(PREFIX)/share/fxsdk/assets
+	install fxsdk/assets/* -m 644 $(PREFIX)/share/fxsdk/assets
+	install fxsdk/fxsdk.sh -m 755 $(PREFIX)/bin/fxsdk
+	sed -i '/^PREFIX=\\$$/ a $(PREFIX)' $(PREFIX)/bin/fxsdk
 	install fxconv/fxconv-main.py -m 755 $(PREFIX)/bin/fxconv
 	install fxconv/fxconv.py -m 644 $(PREFIX)/bin
 
@@ -104,10 +103,6 @@ uninstall:
 #  Cleaning
 #
 
-clean-fxsdk:
-	@rm -rf build/fxsdk
-clean-fxconv:
-	@rm -rf build/fxconv
 clean-fxg1a:
 	@rm -rf build/fxg1a
 clean-fxos:
diff --git a/fxsdk/assets/Makefile b/fxsdk/assets/Makefile
new file mode 100755
index 0000000..1b48ec8
--- /dev/null
+++ b/fxsdk/assets/Makefile
@@ -0,0 +1,129 @@
+#! /usr/bin/make -f
+#  Default Makefile for fxSDK add-ins. This file was probably copied there by
+#  the [fxsdk] program.
+#---
+
+#
+#  Configuration
+#
+
+include project.cfg
+
+# Compiler flags
+cf        := -mb -ffreestanding -nostdlib -Wall -Wextra \
+             -fstrict-volatile-bitfields $(CFLAGS)
+cf-fx     := $(cf) -m3 -DFX9860G
+cf-cg     := $(cf) -m4-nofpu -DFXCG50
+
+# Linker flags
+lf-fx     := $(LDFLAGS) -Tfx9860g.ld -lgint-fx -lgcc -Wl,-Map=build-fx/map
+lf-cg     := $(LDFLAGS) -Tfxcg50.ld  -lgint-cg -lgcc -Wl,-Map=build-cg/map
+
+dflags     = -MMD -MT $@ -MF $(@:.o=.d) -MP
+cpflags   := -R .bss -R .gint_bss
+
+g1af      := -i "$(ICON_FX)" -n "$(NAME)" --internal="$(INTERNAL)"
+g3af      := -n basic:"$(NAME)" -i uns:"$(ICON_CG_UNS)" -i sel:"$(ICON_CG_SEL)"
+
+#
+#  File listings
+#
+
+null      :=
+filename  := $(subst $(null) $(null),-,$(NAME))
+
+elf        = $(dir $<)$(filename).elf
+bin        = $(dir $<)$(filename).bin
+target-fx := $(filename).g1a
+target-cg := $(filename).g3a
+
+# Source files
+src       := $(wildcard src/*.c)
+img-fx    := $(wildcard assets-fx/img/**/*)
+fonts-fx  := $(wildcard assets-fx/fonts/**/*)
+img-cg    := $(wildcard assets-cg/img/**/*)
+fonts-cg  := $(wildcard assets-cg/fonts/**/*)
+
+# Object files
+obj-fx    := $(src:%.c=build-fx/%.o) $(res:assets-fx/%=build-fx/assets/%.o)
+obj-cg    := $(src:%.c=build-cg/%.o) $(res:assets-cg/%=build-cg/assets/%.o)
+
+# Additional dependencies
+deps-fx   := $(ICON_FX)
+deps-cg   := $(ICON_CG_UNS) $(ICON_CG_SEL)
+
+#
+#  Build rules
+#
+
+all: all-fx all-cg
+
+all-fx: $(target-fx)
+all-cg: $(target-cg)
+
+$(target-fx): $(obj-fx) $(deps-fx)
+
+	sh3eb-elf-gcc -o $(elf) $(obj-fx) $(cf-fx) $(lf-fx)
+	sh3eb-elf-objcopy -O binary $(cpflags) $(elf) $(bin)
+	fxg1a $(bin) -o $@ $(g1af)
+
+$(target-cg): $(obj-cg) $(deps-cg)
+
+	sh4eb-elf-gcc -o $(elf) $(obj-cg) $(cf-cg) $(lf-cg)
+	sh4eb-elf-objcopy -O binary $(cpflags) $(elf) $(bin)
+	mkg3a $(g3af) $(bin) $@
+
+# C sources
+build-fx/%.o: %.c
+	@ mkdir -p $(dir $@)
+	sh3eb-elf-gcc -c $< -o $@ $(cf-fx) $(dflags)
+build-cg/%.o: %.c
+	@ mkdir -p $(dir $@)
+	sh4eb-elf-gcc -c $< -o $@ $(cf-cg) $(dflags)
+
+# Images
+build-fx/assets/img/%.o: assets-fx/img/%
+	@ mkdir -p $(dir $@)
+	fxconv -i $< -o $@ name:$*
+
+build-cg/assets/img/%.o: assets-cg/img/%
+	@ echo -ne "\e[31;1mWARNING: image conversion for fxcg50 is not "
+	@ echo -ne "supported yet\e[0m"
+	@ mkdir -p $(dir $@)
+	fxconv -i $< -o $@ name:$*
+
+# Fonts
+build-fx/assets/fonts/%.o: assets-fx/fonts/%
+	@ mkdir -p $(dir $@)
+	fxconv -f $< -o $@ name:$*
+
+build-cg/assets/fonts/%.o: assets-cg/fonts/%
+	@ mkdir -p $(dir $@)
+	fxconv -f $< -o $@ name:$*
+
+#
+#  Cleaning and utilities
+#
+
+# Dependency information
+-include $(shell find build* -name *.d 2> /dev/null)
+build-fx/%.d: ;
+build-cg/%.d: ;
+.PRECIOUS: build-fx build-cg build-fx/%.d build-cg/%.d %/
+
+clean:
+	@ rm -rf build*
+distclean: clean
+	@ rm -f $(target-fx) $(target-cg)
+
+install-fx: $(target-fx)
+	p7 send -f $<
+install-cg: $(target-cg)
+	@ while [[ ! -h /dev/Prizm1 ]]; do sleep 1; done
+	@ mount /dev/Prizm1
+	@ rm -f /mnt/prizm/$<
+	@ cp $< /mnt/prizm
+	@ umount /dev/Prizm1
+	@- eject /dev/Prizm1
+
+.PHONY: all all-fx all-cg clean distclean install-fx install-cg
diff --git a/fxsdk/assets/icon-cg-sel.png b/fxsdk/assets/icon-cg-sel.png
new file mode 100644
index 0000000..7137b50
Binary files /dev/null and b/fxsdk/assets/icon-cg-sel.png differ
diff --git a/fxsdk/assets/icon-cg-uns.png b/fxsdk/assets/icon-cg-uns.png
new file mode 100644
index 0000000..3c99f62
Binary files /dev/null and b/fxsdk/assets/icon-cg-uns.png differ
diff --git a/fxsdk/assets/icon-fx.png b/fxsdk/assets/icon-fx.png
new file mode 100644
index 0000000..c92f12a
Binary files /dev/null and b/fxsdk/assets/icon-fx.png differ
diff --git a/fxsdk/assets/main.c b/fxsdk/assets/main.c
new file mode 100644
index 0000000..f01692a
--- /dev/null
+++ b/fxsdk/assets/main.c
@@ -0,0 +1,12 @@
+#include <gint/display.h>
+#include <gint/keyboard.h>
+
+int main(void)
+{
+	dclear(color_white);
+	dtext(4, 4, "Sample fxSDK add-in.", color_black, color_none);
+	dupdate();
+
+	getkey();
+	return 1;
+}
diff --git a/fxsdk/fxsdk.sh b/fxsdk/fxsdk.sh
new file mode 100755
index 0000000..3e7f896
--- /dev/null
+++ b/fxsdk/fxsdk.sh
@@ -0,0 +1,127 @@
+#! /usr/bin/env bash
+
+# Note: this line is edited at install time to insert the install folder
+PREFIX=\
+
+usage_string=$(cat << EOF
+usage: fxsdk new [<folder name>] [options...]
+       fxsdk build [fx|cg]
+       fxsdk send [fx|cg]
+
+This program is a command-line helper for the fxSDK, a set of tools used in
+conjunction with gint to develop add-ins for CASIO fx-9860G and fx-CG 50.
+
+Project creation:
+  fxsdk new [<folder name>] [options...]
+  -@ <name>, --internal=<name>    Internal project name
+
+EOF
+)
+
+usage() {
+  echo "$usage_string"
+  exit ${1:-1}
+}
+
+error() {
+  echo -n "error: " >&2
+  echo "$@" >&2
+  echo "Try 'fxsdk --help' for more information." >&2
+}
+
+# TODO: Finish this interface
+fxsdk_new_project_cli() {
+  internal=
+
+  while [[ "$@" ]]; do
+    case "$1" in
+      -h|--help|-\?)
+        usage 0;;
+
+      -@|--internal)
+        [[ -z "$2" ]] && error "$1 requires an argument" && return 1
+        internal="$2"
+        shift;;
+
+      --internal=*)
+        internal="${1#*=}";;
+    esac
+
+    shift
+  done
+
+  echo "internal=$internal"
+}
+
+fxsdk_new_project_interactive() {
+  [[ -z "$1" ]] && error "please specify the project folder" && return 1
+  [[ -e "$1" ]] && error "'$1' exists, I don't dare touch it" && return 1
+
+  echo -e "Creating a new project in folder '$1'.\n"
+
+  echo -ne "Full project name ? (at most 8 characters)\n> "
+  read NAME
+
+  echo -ne "Internal name ? ('@' followed by at most 7 uppercase letters)\n> "
+  read INTERNAL
+
+  mkdir -p "$1"/{,src,assets-fx,assets-cg}
+  fxsdk_create_config > "$1/project.cfg"
+
+  echo -e "\nYour project '$NAME' has been created.\n"
+  echo "Type 'fxsdk build-fx' or 'fxsdk build-cg' to compile the program."
+
+  assets="$PREFIX/share/fxsdk/assets"
+  cp "$assets"/Makefile "$1"
+  cp "$assets"/main.c "$1"/src
+  cp "$assets"/icon-fx.png "$1"/assets-fx
+  cp "$assets"/icon-cg-uns.png "$1"/assets-cg
+  cp "$assets"/icon-cg-sel.png "$1"/assets-cg
+}
+
+fxsdk_load_config() {
+  sed -E 's/^([A-Z_]+)\s*=\s*(.*)/\1="\2"' project.cfg | source /dev/stdin
+}
+
+fxsdk_create_config() {
+  cat << EOF
+#---
+# fxSDK project configuration file for $NAME
+#---
+
+# Project name, should be at most 8 bytes long.
+NAME = $NAME
+# Internal name, should be '@' followed by at most 7 uppercase letters.
+INTERNAL = $INTERNAL
+
+# fx-9860G icon location
+ICON_FX = assets-fx/icon-fx.png
+# fx-CG 50 icon locations
+ICON_CG_UNS = assets-cg/icon-cg-uns.png
+ICON_CG_SEL = assets-cg/icon-cg-sel.png
+
+# Additional compiler flags
+CFLAGS = -std=c11 -Os
+# Additional linker flags
+LDFLAGS =
+EOF
+}
+
+fxsdk_build() {
+  true
+}
+
+# Parse command name
+
+case $1 in
+  new)
+    shift
+    fxsdk_new_project_interactive "$@";;
+  -h|--help|-\?)
+    usage 0;;
+  ?*)
+    error "unknown command '$1'"
+    exit 1;;
+  *)
+    usage 0;;
+esac
diff --git a/fxsdk/main.c b/fxsdk/main.c
deleted file mode 100644
index 31dbf45..0000000
--- a/fxsdk/main.c
+++ /dev/null
@@ -1,4 +0,0 @@
-int main(void)
-{
-	return 0;
-}