output_type is now part of custom target config and atari again defaults to .xex

codeCore/src/prog8/code/core/ICompilationTarget.kt

@@ -28,6 +28,7 @@ interface ICompilationTarget: IStringEncoding, IMemSizer {
     val libraryPath: Path?
     val customLauncher: List<String>
     val additionalAssemblerOptions: String?
+    val defaultOutputType: OutputType
 
     fun initializeMemoryAreas(compilerOptions: CompilationOptions)
     fun getFloatAsmBytes(num: Number): String

codeCore/src/prog8/code/target/C128Target.kt

@@ -12,6 +12,7 @@ class C128Target: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by N
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
     override val additionalAssemblerOptions = null
+    override val defaultOutputType = OutputType.PRG
 
     companion object {
         const val NAME = "c128"

codeCore/src/prog8/code/target/C64Target.kt

@@ -13,6 +13,7 @@ class C64Target: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by No
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
     override val additionalAssemblerOptions = null
+    override val defaultOutputType = OutputType.PRG
 
     companion object {
         const val NAME = "c64"

codeCore/src/prog8/code/target/ConfigFileTarget.kt

@@ -24,6 +24,7 @@ class ConfigFileTarget(
     override val BSSHIGHRAM_END: UInt,
     override val BSSGOLDENRAM_START: UInt,
     override val BSSGOLDENRAM_END: UInt,
+    override val defaultOutputType: OutputType,
     override val libraryPath: Path,
     override val customLauncher: List<String>,
     override val additionalAssemblerOptions: String?,
@@ -110,6 +111,9 @@ class ConfigFileTarget(
             val assemblerOptionsStr = props.getProperty("assembler_options", "").trim()
             val assemblerOptions = if(assemblerOptionsStr.isBlank()) null else assemblerOptionsStr
 
+            val outputTypeString = props.getProperty("output_type", "PRG")
+            val defaultOutputType = OutputType.valueOf(outputTypeString.uppercase())
+
             return ConfigFileTarget(
                 configfile.nameWithoutExtension,
                 Encoding.entries.first { it.prefix==props.getString("encoding") },
@@ -121,6 +125,7 @@ class ConfigFileTarget(
                 props.getInteger("bss_highram_end"),
                 props.getInteger("bss_goldenram_start"),
                 props.getInteger("bss_goldenram_end"),
+                defaultOutputType,
                 libraryPath,
                 customLauncher,
                 assemblerOptions,

codeCore/src/prog8/code/target/Cx16Target.kt

@@ -12,6 +12,7 @@ class Cx16Target: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by N
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
     override val additionalAssemblerOptions = null
+    override val defaultOutputType = OutputType.PRG
 
     companion object {
         const val NAME = "cx16"

codeCore/src/prog8/code/target/PETTarget.kt

@@ -12,6 +12,7 @@ class PETTarget: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by No
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
     override val additionalAssemblerOptions = null
+    override val defaultOutputType = OutputType.PRG
 
     companion object {
         const val NAME = "pet32"

codeCore/src/prog8/code/target/VMTarget.kt

@@ -13,6 +13,7 @@ class VMTarget: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by Nor
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
     override val additionalAssemblerOptions = null
+    override val defaultOutputType = OutputType.PRG
 
     companion object {
         const val NAME = "virtual"