Set up initial structure

1 files changed, 47 insertions, 0 deletions

diff --git a/tools/makeshim.py b/tools/makeshim.py
new file mode 100755
index 0000000..2dbca01
--- /dev/null
+++ b/tools/makeshim.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+
+from sys import argv
+
+for line in open(argv[1]):
+    split = line.split(";")[0].split(" ")
+    if len(split) < 2:
+        continue
+    name = " ".join(split[1:]).strip()
+
+    split = split[0].split(":")
+    if len(split) != 2:
+        continue
+    bank = int(split[0], 16)
+    addr = int(split[1], 16)
+
+    section = None
+    bankdec = None
+    if bank == 0 and addr >= 0x0000 and addr < 0x4000:
+        section = "ROM0"
+    elif addr >= 0x4000 and addr < 0x8000:
+        section = "ROMX"
+        bankdec = bank
+    elif addr >= 0x8000 and addr < 0xA000:
+        section = "VRAM"
+        bankdec = bank
+    elif addr >= 0xA000 and addr < 0xC000:
+        section = "SRAM"
+        bankdec = bank
+    elif bank == 0 and addr >= 0xC000 and addr < 0xD000:
+        section = "WRAM0"
+    elif addr >= 0xD000 and addr < 0xE000:
+        section = "WRAMX"
+        bankdec = bank
+    elif bank == 0 and addr >= 0xFE00 and addr < 0xFEA0:
+        section = "OAM"
+    elif bank == 0 and addr >= 0xFF80 and addr < 0xFFFF:
+        section = "HRAM"
+    else:
+        continue
+
+    if bankdec is not None:
+        bankdec = ", BANK[$%x]" % bankdec
+    else:
+        bankdec = ""
+    print("SECTION \"Shim %s\",%s[$%x]%s" % (name, section, addr, bankdec))
+    print("%s::" % name)