Added argument to convert raw data to assembly source .byte (or equivalent) directives

asmgen.py

@@ -113,13 +113,13 @@ class CC65(AssemblerSyntax):
 
 
 class Listing(object):
-    def __init__(self, assembler):
+    def __init__(self, assembler, slug="sprite-driver"):
         self.assembler = assembler
         self.lines = []
         self.current = None
         self.desired_count = 1
         self.stash_list = []
-        self.slug = "sprite-driver"
+        self.slug = slug
 
     def __str__(self):
         self.flush_stash()
@@ -1357,6 +1357,21 @@ class RLE(Listing):
         return compressed_size
 
 
+class RawToSource(Listing):
+    def __init__(self, assembler, data, slug):
+        Listing.__init__(self, assembler, slug)
+        raw = np.asarray(data, dtype=np.uint8)
+        self.generate_table(raw)
+
+    def generate_table(self, raw):
+        self.label("%s_START" % (self.slug))
+        for i in range(len(raw)):
+            self.byte(str(int(raw[i])), 16)
+        self.label("%s_END" % (self.slug))
+        self.comment("%d bytes" % len(raw))
+        self.out()
+
+
 if __name__ == "__main__":
     disclaimer = '''; AUTOGENERATED FILE; DO NOT EDIT!
 ;
@@ -1384,6 +1399,7 @@ if __name__ == "__main__":
     parser.add_argument("-l", "--scroll", default=0, type=int, help="Unrolled loop to scroll screen (default: %(default)s)")
     parser.add_argument("--merge", type=int, nargs="*", help="Merge two HGR images, switching images at the scan line")
     parser.add_argument("--rle", action="store_true", default=False, help="Create run-length-encoded version of data (assumed to be an image)")
+    parser.add_argument("--src", action="store_true", default=False, help="Create source version of binary file")
     parser.add_argument("-n", "--name", default="", help="Name for generated assembly function (default: based on image filename)")
     parser.add_argument("-k", "--clobber", action="store_true", default=False, help="don't save the registers on the stack")
     parser.add_argument("-d", "--double-buffer", action="store_true", default=False, help="add code blit to either page (default: page 1 only)")
@@ -1427,6 +1443,9 @@ if __name__ == "__main__":
         sys.exit(0)
 
     for pngfile in options.files:
+        name = options.name if options.name else os.path.splitext(pngfile)[0]
+        slug = slugify(name)
+
         if pngfile.lower().endswith(".png"):
             try:
                 reader = png.Reader(pngfile)
@@ -1438,9 +1457,6 @@ if __name__ == "__main__":
                 print "%s: %s" % (pngfile, e)
                 sys.exit(1)
 
-            name = options.name if options.name else os.path.splitext(pngfile)[0]
-            slug = slugify(name)
-
             w, h = pngdata[0:2]
             if w == 280 and h == 192:
                 # Full screen conversion!
@@ -1457,6 +1473,8 @@ if __name__ == "__main__":
             data = np.fromfile(pngfile, dtype=np.uint8)
             if options.rle:
                 listings.append(RLE(assembler, data))
+            elif options.src:
+                listings.append(RawToSource(assembler, data, slug))
 
 
     listings.extend([luts[k] for k in sorted(luts.keys())])