Pack HGR title graphics into screen holes to save space (#434)

* Pack HGR title graphics into screen holes to save space

* Rename TITLE.HGR folder to TITLE.HGR.UNPACKED

* Add packed HGR files

Makefile

@@ -27,7 +27,7 @@ CADIUS=cadius
 # version 3.1.0 or later
 EXOMIZER=exomizer mem -q -P23 -lnone
 
-dsk: asm index
+dsk: asm index packedfiles
 	cp res/blank.hdv build/"$(DISK)"
 	cp res/_FileInformation.txt build/
 	$(CADIUS) ADDFILE build/"$(DISK)" "/$(VOLUME)/" build/LAUNCHER.SYSTEM >>build/log
@@ -217,6 +217,10 @@ compress: md
 	for f in res/ACTION.DHGR.UNCOMPRESSED/*; do o=res/ACTION.DHGR/$$(basename $$f); [ -f "$$o" ] || ${EXOMIZER} "$$f"@0x4000 -o "$$o" >>build/log; done
 	for f in res/ARTWORK.SHR.UNCOMPRESSED/*; do o=res/ARTWORK.SHR/$$(basename $$f); [ -f "$$o" ] || ${EXOMIZER} "$$f"@0x2000 -o "$$o" >>build/log; done
 
+
+packedfiles: md
+	for f in res/TITLE.HGR.UNPACKED/*; do  o=res/TITLE.HGR/$$(basename $$f);  [ -f "$$o" ] || bin/packhgrfile.py $$f $$o >>build/log; done
+
 attract: compress
 	bin/check-attract-mode.sh
 	bin/generate-mini-attract-mode.sh

bin/packhgrfile.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+import sys
+
+infile = sys.argv[1]
+outfile = sys.argv[2]
+
+i = open(infile,"rb")
+filedata = i.read()
+i.close
+
+outdata = bytearray(filedata[0:7680])
+
+for h in range(60):
+  oh = h*128+120
+  ih = h*8+7680+(int(h/15)*8)
+  outdata[oh:oh+8] = filedata[ih:ih+8]
+
+o = open(outfile,"wb")
+o.write(outdata)
+o.close
+