added ability to specify additional assembler options in custom target configurations

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

@@ -35,6 +35,7 @@ interface ICompilationTarget: IStringEncoding, IMemSizer {
     var golden: GoldenRam
     val libraryPath: Path?
     val customLauncher: List<String>
+    val additionalAssemblerOptions: String?
 
     fun initializeMemoryAreas(compilerOptions: CompilationOptions)
     fun getFloatAsmBytes(num: Number): String

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

@@ -12,6 +12,7 @@ class AtariTarget: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by
     override val defaultEncoding = Encoding.ATASCII
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
+    override val additionalAssemblerOptions = null
 
     companion object {
         const val NAME = "atari"

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

@@ -19,6 +19,7 @@ class C128Target: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by N
     override val defaultEncoding = Encoding.PETSCII
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
+    override val additionalAssemblerOptions = null
 
     companion object {
         const val NAME = "c128"

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

@@ -12,6 +12,7 @@ class C64Target: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by No
     override val defaultEncoding = Encoding.PETSCII
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
+    override val additionalAssemblerOptions = null
 
     companion object {
         const val NAME = "c64"

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

@@ -27,6 +27,7 @@ class ConfigFileTarget(
     override val BSSGOLDENRAM_END: UInt,
     override val libraryPath: Path,
     override val customLauncher: List<String>,
+    override val additionalAssemblerOptions: String?,
     val ioAddresses: List<UIntRange>,
     val zpScratchB1: UInt,
     val zpScratchReg: UInt,
@@ -107,6 +108,8 @@ class ConfigFileTarget(
                 if(customLauncherStr?.isNotBlank()==true)
                     (customLauncherStr+"\n").lines().map { it.trimEnd() }
                 else emptyList()
+            val assemblerOptionsStr = props.getProperty("assembler_options", "").trim()
+            val assemblerOptions = if(assemblerOptionsStr.isBlank()) null else assemblerOptionsStr
 
             return ConfigFileTarget(
                 configfile.nameWithoutExtension,
@@ -122,6 +125,7 @@ class ConfigFileTarget(
                 props.getInteger("bss_goldenram_end"),
                 libraryPath,
                 customLauncher,
+                assemblerOptions,
                 ioAddresses,
                 props.getInteger("zp_scratch_b1"),
                 props.getInteger("zp_scratch_reg"),

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

@@ -19,6 +19,7 @@ class Cx16Target: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by N
     override val defaultEncoding = Encoding.PETSCII
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
+    override val additionalAssemblerOptions = null
 
     companion object {
         const val NAME = "cx16"

codeCore/src/prog8/code/target/Neo6502Target.kt

@@ -11,6 +11,7 @@ class Neo6502Target: ICompilationTarget, IStringEncoding by Encoder, IMemSizer b
     override val defaultEncoding = Encoding.ISO
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
+    override val additionalAssemblerOptions = null
 
     companion object {
         const val NAME = "neo"

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

@@ -19,6 +19,7 @@ class PETTarget: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by No
     override val defaultEncoding = Encoding.PETSCII
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
+    override val additionalAssemblerOptions = null
 
     companion object {
         const val NAME = "pet32"

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

@@ -12,6 +12,7 @@ class VMTarget: ICompilationTarget, IStringEncoding by Encoder, IMemSizer by Nor
     override val defaultEncoding = Encoding.ISO
     override val libraryPath = null
     override val customLauncher: List<String> = emptyList()
+    override val additionalAssemblerOptions = null
 
     companion object {
         const val NAME = "virtual"