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-rw-r--r--transpose.py19
1 files changed, 19 insertions, 0 deletions
diff --git a/transpose.py b/transpose.py
new file mode 100644
index 0000000..c2db0c5
--- /dev/null
+++ b/transpose.py
@@ -0,0 +1,19 @@
+import sys
+
+chars = []
+with open(sys.argv[1], "rb") as f:
+ print("const uint8_t c64_chars[512][8] = {")
+
+ while char := f.read(8):
+ transposed = [0] * 8
+ for i in range(8):
+ for j in range(8):
+ bit = char[i] & (0b1000000 >> j)
+ bit <<= j
+
+ transposed[j] |= bit >> i
+
+ joined = ", ".join(str(t) for t in transposed)
+ print(f" {{{joined}}},")
+
+ print("};")