From 843bd8e3f1bac22d8451650414c3e00872f14144 Mon Sep 17 00:00:00 2001
From: Stephanie Gawroriski <xer@multiphasicapps.net>
Date: Tue, 11 Apr 2023 05:57:06 +0000
Subject: [PATCH] Determination of the Binary ADF format.

---
 .../cc/squirreljme/jvm/launch/__AdfUtils__.java    | 104 +++++++++++++++++++++
 1 file changed, 104 insertions(+)

diff --git a/modules/cldc-compact/src/main/java/cc/squirreljme/jvm/launch/__AdfUtils__.java b/modules/cldc-compact/src/main/java/cc/squirreljme/jvm/launch/__AdfUtils__.java
index 9baed2a089..4b7fe30766 100644
--- a/modules/cldc-compact/src/main/java/cc/squirreljme/jvm/launch/__AdfUtils__.java
+++ b/modules/cldc-compact/src/main/java/cc/squirreljme/jvm/launch/__AdfUtils__.java
@@ -12,6 +12,7 @@ package cc.squirreljme.jvm.launch;
 import cc.squirreljme.runtime.cldc.debug.Debugging;
 import java.io.BufferedReader;
 import java.io.DataInputStream;
+import java.io.EOFException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -52,6 +53,109 @@ final class __AdfUtils__
 		// This is binary data
 		DataInputStream in = new DataInputStream(__in);
 		
+		// 0x00: Unknown??? (0)
+		int unknownHeader0x00Zero = in.readUnsignedShort();
+		
+		// 0x02: Unknown??? (1)
+		int unknownHeader0x02Zero = in.readUnsignedShort();
+		
+		// 0x04: Unknown??? (2)
+		int unknownHeader0x04Zero = in.readUnsignedShort();
+		
+		// 0x06: SPSize
+		int scratchPadSize = in.readInt();
+		
+		// 0x0A: Jar Size (5)
+		int jarSize = in.readUnsignedShort();
+		
+		// 0x0C: Size of the .Sto file (6)
+		int stoSize = in.readInt();
+		
+		// 0x10: Unknown??? (7)
+		int unknownHeader0x10Zero = in.readUnsignedShort();
+		
+		// 0x12: Unknown??? (8)
+		int unknownHeader0x12Zero = in.readUnsignedShort();
+		
+		// 0x14: Unknown??? (9)
+		int unknownHeader0x14Zero = in.readUnsignedShort();
+		
+		// 0x16: varData Offset to AppClass (10) [Base from 53?]
+		int varDataOffsetAppClass = in.readUnsignedShort();
+		
+		// 0x18: varData Offset to AppParam (11) [Base from 53?]
+		int varDataOffsetAppParam = in.readUnsignedShort();
+		
+		// 0x1A: varData Offset to PackageURL (12) [Base from 53?]
+		int varDataOffsetPackageUrl = in.readUnsignedShort();
+		
+		// 0x1C: varData Offset to AppVer (13) [Base from 53?]
+		int varDataOffsetAppVer = in.readUnsignedShort();
+		
+		// 0x1E: varData Offset to LastModified (14) [Base from 53?]
+		int varDataOffsetLastModified = in.readUnsignedShort();
+		
+		// 0x20: Length of AppName (15)
+		int lengthAppName = in.readUnsignedShort();
+		
+		// 0x22: Draw Area Width (16)
+		int drawAreaWidth = in.readUnsignedShort();
+		
+		// 0x24: Draw Area Height (17)
+		int drawAreaHeight = in.readUnsignedShort();
+		
+		// 0x26: Length of variable data section?? (18)
+		// 0x26: Or start position of SPsize value?? (18)
+		int lengthVarDataSectionOrOffsetSPSize = in.readUnsignedShort();
+		
+		// 0x28: Unknown byte??? (19) [0x07???]
+		int unknownHeader0x28Byte = in.readUnsignedByte();
+		
+		// 0x29: Length of AppParam (20)
+		int lengthAppParam = in.readUnsignedByte();
+		
+		// 0x2A: Length of PackageURL (21)
+		int lengthPackageUrl = in.readUnsignedByte();
+		
+		// 0x2B: Unknown 0x80??? (22)
+		int unknown0x2BOneTwentyEight = in.readUnsignedByte();
+		
+		// 0x2C: Length of AppVer (23)
+		int lengthAppVer = in.readUnsignedByte();
+		
+		// 0x2D: Length of LastModified (24)
+		int lengthLastModified = in.readUnsignedByte();
+		
+		// 0x2E: Unknown??? (25) [1???]
+		// 0x2E: Application Type? 0 = None? 1 = i-Appli?
+		int unknown0x2EOne = in.readUnsignedByte();
+		
+		// 0x2F: Unknown Zero??? (26)
+		int unknown0x2FZero = in.readUnsignedByte();
+		
+		// 0x30: Possibly SPsize?
+		// 0x30: Unknown 129??? (27)
+		int unknown0x30 = in.readUnsignedShort();
+		
+		// 0x32: Tracing is enabled (0x01) Maybe other flags?
+		int enableTracing = in.readUnsignedByte();
+		
+		// 0x33: Unknown 0??? (31)
+		// 0x33: Possible auto start time?
+		int unknownHeader0x33Zero = in.readUnsignedByte();
+		
+		// 0x34: Auto Start Interval Hours (32)
+		int autoStartIntervalHours = in.readUnsignedByte();
+		
+		// Variable data section
+		if (true)
+			throw Debugging.todo();
+		
+		// Value 0xFDFD? Possibly EOF marker for validity?
+		// Seems to be ignored by the device
+		if (true)
+			throw Debugging.todo();
+		
 		throw Debugging.todo();
 	}
 	
-- 
2.11.4.GIT