Wire up skeleton build framework; prove 2MG image in the emu/ folder as a buld target

demos/fatdog/App.s

@@ -0,0 +1,11 @@
+; IIgs Game Engine
+
+            TYP   $B3         ; S16 file
+            DSK   GTEShooter
+            XPL
+
+; Segment #1 -- Main execution block
+
+            ASM   Main.s
+
+

demos/fatdog/Main.s

@@ -0,0 +1,10 @@
+              REL
+              DSK   MAINSEG
+
+              rtl
+
+; Storage for sprites
+StackAddress  ds    2
+              PUT   sprites/Ships.s
+
+

demos/fatdog/build-image.bat

@@ -0,0 +1,16 @@
+echo off
+
+REM Copy all of the assets into the ProDOS image for emulator testing
+REM
+REM Pass the path of the Cadius tool as the first argument (%1)
+
+set CADIUS="%1"
+set IMAGE="emu\\Base.2mg"
+set FOLDER="/GTEDEV/Build"
+
+REM Cadius does not overwrite files, so clear the root folder first
+%CADIUS% DELETEFOLDER %IMAGE% %FOLDER%
+%CADIUS% CREATEFOLDER %IMAGE% %FOLDER%
+
+REM Now copy files and folders as needed
+%CADIUS% ADDFILE %IMAGE% %FOLDER% src\\GTEShooter

demos/fatdog/package.json

@@ -12,8 +12,12 @@
       "mrsprite": "C:\\Programs\\IIgsXDev\\bin\\MrSprite.exe"
     },
     "scripts": {
-      "build": "%npm_package_config_merlin32% -V %npm_package_config_macros% App.s",
-      "build:sprites": "build-sprites.bat %npm_package_config_mrsprite%"
+      "build:app": "%npm_package_config_merlin32% -V %npm_package_config_macros% App.s",
+      "build:sprites": "build-sprites.bat %npm_package_config_mrsprite%",
+      "build:image": "build-image.bat %npm_package_config_cadius%",
+      "build:": "npm run build:sprites && npm run build:app && npm run build:image",
+      "test": "npm build && %npm_package_config_gsport%",
+      "debug": "%npm_package_config_crossrunner% GTEShooter -Source src\\MAINSEG_Output.txt -Debug -CompatibilityLayer"
     },
     "repository": {
       "type": "git",
@@ -27,5 +31,4 @@
     "homepage": "https://github.com/lscharen/iigs-game-engine#readme",
     "devDependencies": {
     }
-  }
-  
+}