From a3aa537e84c618ff2b2773269f16f582b67a2c53 Mon Sep 17 00:00:00 2001
From: Slyvtt <pillot.sylvain@gmail.com>
Date: Fri, 10 Mar 2023 16:51:27 +0100
Subject: [PATCH] Start working on a build target FX9860G_AS_CG for fxSDK &
 gint

---
 fxsdk/assets/CMakeLists.txt     |  3 ++
 fxsdk/cmake/FX9860G_AS_CG.cmake | 58 +++++++++++++++++++++++++++++++++
 fxsdk/fxsdk.sh                  | 24 +++++++++++++-
 3 files changed, 84 insertions(+), 1 deletion(-)
 create mode 100644 fxsdk/cmake/FX9860G_AS_CG.cmake

diff --git a/fxsdk/assets/CMakeLists.txt b/fxsdk/assets/CMakeLists.txt
index da80467..5fce5a2 100644
--- a/fxsdk/assets/CMakeLists.txt
+++ b/fxsdk/assets/CMakeLists.txt
@@ -38,4 +38,7 @@ if("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G)
 elseif("${FXSDK_PLATFORM_LONG}" STREQUAL fxCG50)
   generate_g3a(TARGET myaddin OUTPUT "MyAddin.g3a"
     NAME "MyAddin" ICONS assets-cg/icon-uns.png assets-cg/icon-sel.png)
+elseif("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G_AS_CG)
+  generate_g3a(TARGET myaddin OUTPUT "MyAddin.g3a"
+    NAME "MyAddin" ICONS assets-cg/icon-uns.png assets-cg/icon-sel.png)
 endif()
diff --git a/fxsdk/cmake/FX9860G_AS_CG.cmake b/fxsdk/cmake/FX9860G_AS_CG.cmake
new file mode 100644
index 0000000..c44f437
--- /dev/null
+++ b/fxsdk/cmake/FX9860G_AS_CG.cmake
@@ -0,0 +1,58 @@
+# fxSDK toolchain file for Casio graphing calculators
+# Models: Prizm fx-CG 10, fx-CG 20, fx-CG 50, fx-CG 50 emulator
+# Target triplet: sh-elf (custom sh3eb-elf supporting sh3 and sh4-nofpu)
+
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_SYSTEM_VERSION 1)
+set(CMAKE_SYSTEM_PROCESSOR sh)
+
+# Base plateform is fx to pick the assets for the fx9860G
+set(FXSDK_PLATFORM fx)
+# the long name is change to be able to separate in CMakeLists.txt the different targets
+set(FXSDK_PLATFORM_LONG fx9860G_AS_CG)
+
+set(FXSDK_TOOLCHAIN sh-elf-)
+set(CMAKE_C_COMPILER sh-elf-gcc)
+set(CMAKE_CXX_COMPILER sh-elf-g++)
+
+set(CMAKE_C_FLAGS_INIT "")
+set(CMAKE_CXX_FLAGS_INIT "")
+
+add_compile_options(-m4-nofpu -mb -ffreestanding -nostdlib -Wa,--dsp)
+add_link_options(-nostdlib -Wl,--no-warn-rwx-segments)
+link_libraries(-lgcc)
+add_compile_definitions(TARGET_FXCG50)
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+set(FXSDK_CMAKE_MODULE_PATH "${FXSDK_CMAKE_MODULE_PATH}")
+
+# Add the fxSDK prefix path to the search
+set(FXSDK_PREFIX "$ENV{FXSDK_PREFIX}")
+foreach(DIR IN LISTS FXSDK_PREFIX)
+  include_directories("${DIR}/include")
+  link_directories("${DIR}/lib")
+endforeach()
+
+# Determine compiler install path
+execute_process(
+  COMMAND ${CMAKE_C_COMPILER} --print-file-name=.
+  OUTPUT_VARIABLE FXSDK_COMPILER_INSTALL
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+# Provide fxSDK sysroot and standard install folders
+execute_process(
+  COMMAND fxsdk path sysroot
+  OUTPUT_VARIABLE FXSDK_SYSROOT
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+execute_process(
+  COMMAND fxsdk path include
+  OUTPUT_VARIABLE FXSDK_INCLUDE
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+execute_process(
+  COMMAND fxsdk path lib
+  OUTPUT_VARIABLE FXSDK_LIB
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
diff --git a/fxsdk/fxsdk.sh b/fxsdk/fxsdk.sh
index d0f6668..ca674bf 100755
--- a/fxsdk/fxsdk.sh
+++ b/fxsdk/fxsdk.sh
@@ -41,6 +41,14 @@ ${R}fxsdk${n} ${R}build-cg-push${n} [${R}-c${n}] [${R}-s${n}] [${R}--${n}] \
   are identical to other build commands. Typical workflows will always set -s
   (which requires libusb support in fxlink).
 
+${R}fxsdk${n} ${R}build-fx-as-cg${n} [${R}-c${n}] [${R}-s${n}] [${R}--${n}] \
+[${g}<ARGS>${n}...]
+  Builds the current project for fx-CG 50 from a code source initially
+  targetting the fx-9860G. It will generate a .g3a add-in in lieu of a .g1a
+  add-in. Upscaling of the screen will be performed to accomodate the higher
+  resolution of the screen of the fx-CG 50 (396x224px) instead of one of the
+  fx-9860G (128x64px).
+
 ${R}fxsdk${n} (${R}send${n}|${R}send-fx${n}|${R}send-cg${n})
   Sends the target file to the calculator. Uses p7 (which must be installed
   externally) for the fx-9860G, and fxlink for the fx-CG. For the G-III series,
@@ -127,7 +135,10 @@ fxsdk_new_project() {
   cp "$assets"/icon-cg-sel.png "$1"/assets-cg/icon-sel.png
 
   echo "Created a new project $NAME (build system: $generator)."
-  echo "Type 'fxsdk build-fx' or 'fxsdk build-cg' to compile the program."
+  echo "Type 'fxsdk build-fx' or 'fxsdk build-cg' or 'fxsdk build-fx-as-cg'"
+  echo "to compile the program."
+  echo "Type 'fxsdk build-cg-push' or 'fxsdk build-fx-as-cg-push' to compile"
+  echo "a bin to be send to Add-In Push by circuit10"
 }
 
 fxsdk_load_config() {
@@ -161,6 +172,12 @@ fxsdk_build_cg() {
 fxsdk_build_cg_push() {
   fxsdk_build_in "cg-push" "FXCG50" "$@"
 }
+fxsdk_build_fx_as_cg() {
+  fxsdk_build_in "fx-as-cg" "FX9860G_AS_CG" "$@"
+}
+fxsdk_build_fx_as_cg_push() {
+  fxsdk_build_in "fx-as-cg-push" "FX9860G_AS_CG" "$@"
+}
 
 fxsdk_build_in() {
   platform="$1"
@@ -300,6 +317,11 @@ case "$1" in
     fxsdk_build_cg "${@:2}";;
   "build-cg-push"|"bcgp")
     fxsdk_build_cg_push "${@:2}";;
+  "build-fx-as-cg"|"bfxcg"|"bfcg")
+    fxsdk_build_fx_as_cg "${@:2}";;
+  "build-fx-as-cg-push"|"bfxcgp"|"bfcgp")
+    fxsdk_build_fx_as_cg_push "${@:2}";;
+
 
   # Install
   "send"|"s")