diff --git a/examples/c64/multifile.ini b/examples/c64/multifile.ini
index 481895e2..29ebfc06 100644
--- a/examples/c64/multifile.ini
+++ b/examples/c64/multifile.ini
@@ -37,6 +37,7 @@ HAS_BITMAP_MODE=1
 ; every segment should land in its own file:
 style=per_segment
 format=startaddr,allocated
+format_segment_extra=startaddr,allocated,$ea,$ea,$ea,$ea,$ea,$ea,$ea,$ea,$ea,$ea,$ea
 extension=prg
 
 
diff --git a/src/main/scala/millfork/Platform.scala b/src/main/scala/millfork/Platform.scala
index 045c80bb..459dcc94 100644
--- a/src/main/scala/millfork/Platform.scala
+++ b/src/main/scala/millfork/Platform.scala
@@ -25,7 +25,8 @@ class Platform(
                 val defaultCodec: TextCodec,
                 val screenCodec: TextCodec,
                 val features: Map[String, Long],
-                val outputPackager: OutputPackager,
+                val outputPackagers: Map[String, OutputPackager],
+                val defaultOutputPackager: OutputPackager,
                 val codeAllocators: Map[String, UpwardByteAllocator],
                 val variableAllocators: Map[String, VariableAllocator],
                 val zpRegisterSize: Int,
@@ -247,7 +248,7 @@ object Platform {
       }))
 
     val os = conf.getSection("output")
-    val outputPackager = SequenceOutput(os.get(classOf[String], "format", "").split("[, \n\t\r]+").filter(_.nonEmpty).map {
+    def parseOutputPackager(s: String): OutputPackager = SequenceOutput(s.split("[, \n\t\r]+").filter(_.nonEmpty).map {
       case "startaddr" => StartAddressOutput(0)
       case "startaddr_be" => StartAddressOutputBe(0)
       case "startpage" => StartPageOutput
@@ -279,6 +280,15 @@ object Platform {
         case x => log.fatal(s"Invalid output format: `$x`")
       }
     }.toList)
+    val outputPackagers = banks.flatMap{ b =>
+      val f = os.get(classOf[String], "format_segment_" + b, null)
+      if (f eq null) {
+        None
+      } else {
+        Some(b -> parseOutputPackager(f))
+      }
+    }.toMap
+    val defaultOutputPackager = parseOutputPackager(os.get(classOf[String], "format", ""))
     val fileExtension = os.get(classOf[String], "extension", ".bin")
     val generateBbcMicroInfFile = os.get(classOf[Boolean], "bbc_inf", false)
     val generateGameBoyChecksums = os.get(classOf[Boolean], "gb_checksum", false)
@@ -288,6 +298,9 @@ object Platform {
       case "lunix" => OutputStyle.LUnix
       case x => log.fatal(s"Invalid output style: `$x`")
     }
+    if (outputStyle != OutputStyle.PerBank && outputPackagers.nonEmpty) {
+      log.error("Different output formats per segment are allowed only if style=per_segment")
+    }
     val debugOutputFormatName = os.get(classOf[String], "labels", "vice")
     val debugOutputFormat = DebugOutputFormat.map.getOrElse(
       debugOutputFormatName.toLowerCase(Locale.ROOT),
@@ -331,7 +344,8 @@ object Platform {
       codec,
       srcCodec,
       builtInFeatures ++ definedFeatures,
-      outputPackager,
+      outputPackagers,
+      defaultOutputPackager,
       codeAllocators.toMap,
       variableAllocators.toMap,
       zpRegisterSize,
diff --git a/src/main/scala/millfork/output/AbstractAssembler.scala b/src/main/scala/millfork/output/AbstractAssembler.scala
index 2c51e2bd..c2ad0a1e 100644
--- a/src/main/scala/millfork/output/AbstractAssembler.scala
+++ b/src/main/scala/millfork/output/AbstractAssembler.scala
@@ -678,7 +678,10 @@ abstract class AbstractAssembler[T <: AbstractCode](private val program: Program
     val code = (platform.outputStyle match {
       case OutputStyle.Single | OutputStyle.LUnix => List("default")
       case OutputStyle.PerBank => platform.bankNumbers.keys.toList
-    }).map(b => b -> platform.outputPackager.packageOutput(mem, b)).toMap
+    }).map{b =>
+      val outputPackager = platform.outputPackagers.getOrElse(b, platform.defaultOutputPackager)
+      b -> outputPackager.packageOutput(mem, b)
+    }.toMap
     AssemblerOutput(code, assembly.toArray, labelMap.toList, breakpointSet.toList.sorted)
   }
 
diff --git a/src/test/scala/millfork/test/emu/EmuPlatform.scala b/src/test/scala/millfork/test/emu/EmuPlatform.scala
index 34fdaf6b..29b940c1 100644
--- a/src/test/scala/millfork/test/emu/EmuPlatform.scala
+++ b/src/test/scala/millfork/test/emu/EmuPlatform.scala
@@ -17,6 +17,7 @@ object EmuPlatform {
     TextCodec.Ascii,
     TextCodec.Ascii,
     Platform.builtInCpuFeatures(cpu),
+    Map(),
     CurrentBankFragmentOutput(0, 0xffff),
     Map(
       "default" -> (if (cpu == Cpu.Intel8086) new UpwardByteAllocator(0x100, 0xb000) else new UpwardByteAllocator(0x200, 0xb000)),