Update build to auto-detect OS

.github/workflows/ti84-ref_app.yml

@@ -29,7 +29,7 @@ jobs:
           cd build
           PATH=../../sdcc-root/sdcc-4.4.0/bin:"$PATH"
           sdcc -v
-          make TYP_OS=UNIX all
+          make all
           echo 'build-and-verify-refapp partial verify result'
           ls -la ../bin/refapp.8xp
   sdcc-build-native-macos:
@@ -48,6 +48,6 @@ jobs:
         run: |
           cd build
           sdcc -v
-          make TYP_OS=UNIX all
+          make all
           echo 'build-and-verify-refapp partial verify result'
           ls -la ../bin/refapp.8xp

build/Makefile

@@ -21,6 +21,20 @@
 #
 ##############################################################################80
 
+##############################################################################80
+# operating system
+##############################################################################80
+
+ifeq ($(TYP_OS),)
+
+ifeq ($(OS),Windows_NT)
+TYP_OS       := WIN
+else
+TYP_OS       := NIX
+endif
+
+endif
+
 ##############################################################################80
 # paths
 ##############################################################################80
@@ -33,16 +47,11 @@ PATH_OBJ        := $(CURDIR)/obj
 # tools
 ##############################################################################80
 
-ifeq ($(TYP_OS),)
-TYP_OS          := UNIX
-endif
-
-
 ifeq ($(TYP_OS),WIN)
 EXEEXT          := .exe
 endif
 
-ifeq ($(TYP_OS),UNIX)
+ifeq ($(TYP_OS),NIX)
 EXEEXT          :=
 endif
 
@@ -53,7 +62,7 @@ TOOL_PREFIX     := $(TOOL_PREFIX)/
 GNUMAKE         := $(CURDIR)/make$(EXEEXT)
 endif
 
-ifeq ($(TYP_OS),UNIX)
+ifeq ($(TYP_OS),NIX)
 TOOL_PREFIX     :=
 
 GNUMAKE         := make
@@ -78,7 +87,7 @@ NULL_DEVICE     := NUL
 $(NULL_DEVICE)  := NUL
 endif
 
-ifeq ($(TYP_OS),UNIX)
+ifeq ($(TYP_OS),NIX)
 NULL_DEVICE     := /dev/null
 $(NULL_DEVICE)  := /dev/null
 endif

build/ti84-ref_app.vcxproj

@@ -37,7 +37,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='ti84-plus|x64'" Label="Configuration">
     <ConfigurationType>Makefile</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -49,10 +49,10 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='ti84-plus|x64'">
-    <NMakeBuildCommandLine>make TYP_OS=WIN all</NMakeBuildCommandLine>
+    <NMakeBuildCommandLine>make all</NMakeBuildCommandLine>
     <NMakeOutput>$(ProjectDir)..\bin\refapp.8xp</NMakeOutput>
-    <NMakeCleanCommandLine>make TYP_OS=WIN clean</NMakeCleanCommandLine>
-    <NMakeReBuildCommandLine>make TYP_OS=WIN all</NMakeReBuildCommandLine>
+    <NMakeCleanCommandLine>make clean</NMakeCleanCommandLine>
+    <NMakeReBuildCommandLine>make all</NMakeReBuildCommandLine>
     <NMakePreprocessorDefinitions>
     </NMakePreprocessorDefinitions>
     <NMakeIncludeSearchPath>$(ProjectDir)..\src</NMakeIncludeSearchPath>

readme.md

@@ -108,7 +108,7 @@ Then build in the command shell with:
 
 ```cmd
 cd ti84-ref_app\build
-make TYP_OS=WIN all
+make all
 ```
 
 ### Build on `*nix`
@@ -120,7 +120,7 @@ Then build in the bash shell with:
 
 ```sh
 cd ti84-ref_app/build
-make TYP_OS=UNIX all
+make all
 ```
 
 ## Testing and Continuous Integration

src/app/app_main.c

@@ -10,8 +10,8 @@
 
 void main(void)
 {
-  // The main() subroutine initializes the needed hardware
-  // and controls the multitasking scheduler, which subsequently
+  // The main() subroutine initializes the needed hardware.
+  // It then launches the multitasking scheduler, which subsequently
   // controls the blinky and hello-world tasks.
 
   // Initialize the microcontroller abstraction layer peripheral

src/startup/crt0.s

@@ -4,7 +4,10 @@
 ;//
 
 ; crt0.s
-; Perform C-runtime startup including static initialization (i.e., of RAM: bss/data clear/init).
+
+; Perform C-runtime startup static initialization
+; including the RAM classes of bss/data clear/init.
+
 ; RAM initialization is implemented in the subroutine gsinit.
 ; Subsequently jump to main() and never return.