From e294c389b8f5d4b07fc81243fad8fa13c027355f Mon Sep 17 00:00:00 2001
From: G2 <72430668+G2-Games@users.noreply.github.com>
Date: Sun, 5 May 2024 04:53:59 -0500
Subject: [PATCH] Update README.md
---
README.md | 23 ++++++++++++++++++-----
1 file changed, 18 insertions(+), 5 deletions(-)
diff --git a/README.md b/README.md
index 8af3a39..f6b47d2 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,12 @@
# lbee-utils
A small collection of utilities for exporting and importing assets from Little Busters! English Edition
-The CZ0 header:
+## Specifications and Info
+Bytes are in Little Endian
+
+Each CZ file starts with a header.
+
+### The CZ0 and CZ3 header:
| Offset | Ex. Values | ASCII | Purpose |
|-------------|-------------|-------|-----------------------------------|
| 0x00 - 0x03 | 43 5A 30 00 | CZ0 | Magic bytes |
@@ -15,8 +20,16 @@ The CZ0 header:
| 0x16 - 0x17 | DC 02 | 732 | Height of image crop |
| 0x18 - 0x19 | 00 05 | 1280 | Width of image bounding box |
| 0x1A - 0x1B | 34 03 | 820 | Height of image bounding box |
-| 0x1C - 0x1D | 80 02 | 640 | X offset of image |
-| 0x1E - 0x1F | 02 03 | 770 | Y offset of image |
-| 0x20 - 0x23 | --- | --- | ---[Unknown]--- |
+| 0x1C - 0x1D | 80 02 | 640 | X offset of image, optional |
+| 0x1E - 0x1F | 02 03 | 770 | Y offset of image, optional |
+| 0x20 - 0x23 | --- | --- | ---[Unknown]---, optional |
-Bytes are in Little Endian order
+### The CZ1 and CZ2 header:
+| Offset | Ex. Values | ASCII | Purpose |
+|-------------|-------------|-------|-----------------------------------|
+| 0x00 - 0x03 | 43 5A 30 00 | CZ0 | Magic bytes |
+| 0x04 - 0x07 | 24 00 00 00 | 36 | Header length in bytes |
+| 0x08 - 0x09 | 58 01 | 344 | Width of the image in pixels |
+| 0x0A - 0x0B | DC 02 | 732 | Height of the image in pixels |
+| 0x0C - 0x0D | 20 00 | 32 | Bit depth of the image |
+| 0x0E | 03 | 3 | Color block |