From 4b8673fe27179dd55ea94975b6906f6b5645afb8 Mon Sep 17 00:00:00 2001
From: "A.M. Rowsell" <amrowsell@frozenelectronics.ca>
Date: Tue, 26 Dec 2023 21:08:11 -0500
Subject: [PATCH] Initial commit of project with working versions of scripts.

---
 petscii.py    | 28 ++++++++++++++++++++++++++++
 wordwriter.py | 28 ++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100755 petscii.py
 create mode 100755 wordwriter.py

diff --git a/petscii.py b/petscii.py
new file mode 100755
index 0000000..b54262f
--- /dev/null
+++ b/petscii.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+
+import sys
+
+def convert(byte):
+    if byte == 13: # fix line endings
+        return 10
+    if byte == 63: # don't change question marks
+        return byte
+    if byte >= 97 and byte <= 122:
+        return byte - 32
+    if byte >= 65 and byte <= 90:
+        return byte + 32
+    if byte >= 192 and byte <= 223:
+        byte -= 96
+        if byte >= 97 and byte <= 122:
+            byte -= 32
+    return byte
+
+def main():
+    filename = sys.argv[1]
+    with open(filename, "rb") as f:
+        while (byte := f.read(1)):
+            byte = convert(int.from_bytes(byte))
+            print(byte.to_bytes(1).decode('ascii'), end="")
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/wordwriter.py b/wordwriter.py
new file mode 100755
index 0000000..af61ad9
--- /dev/null
+++ b/wordwriter.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+
+import sys
+
+def convert(byte):
+    if byte < 0x20: # lowercase
+        byte = byte | 0x60
+    if byte == 0x60:
+        byte = 0x40
+    if byte == 0xFE or byte == 0xFF: # line feed
+        byte = 0x0A
+    if byte > 0x7F: # control codes
+        byte = 0x20
+    return byte
+
+def main():
+    filename = sys.argv[1]
+    with open(filename, "rb") as f:
+        while (byte := f.read(1)):
+            if int.from_bytes(byte) == 0x00: # skip all the bytes before the first 0
+                break
+        while (byte := f.read(1)):
+            byte = convert(int.from_bytes(byte))
+
+            print(byte.to_bytes(1).decode('ascii'), end="")
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file