1 files changed, 86 insertions, 0 deletions
diff --git a/tools/disasm_coverage.py b/tools/disasm_coverage.py
new file mode 100644
index 0000000..964e394
--- /dev/null
+++ b/tools/disasm_coverage.py
@@ -0,0 +1,86 @@
+# #!/usr/bin/env python3
+# coding: utf-8
+
+from __future__ import division
+import os
+import argparse
+from mapreader import MapReader
+import png
+from colorsys import hls_to_rgb
+
+if __name__ == "__main__":
+    # argument parser
+    ap = argparse.ArgumentParser()
+    ap.add_argument("-o", dest="filename", default="coverage.png")
+    ap.add_argument("-s", dest="statsname", default="coverage.stats")
+    ap.add_argument("-m", dest="mapfile", required=True)
+    ap.add_argument("-b", dest="num_banks", required=True, type=lambda x: int(x, 0))
+    
+    args = ap.parse_args()
+    
+    width = 256
+    bpp = 8 #bytes per pixel
+    height = (args.num_banks * 0x4000 + (width * bpp - 1)) // (width * bpp)
+    
+    r = MapReader()
+    f = open(args.mapfile, 'r')
+    l = f.readlines()
+    f.close()
+    
+    r.read_map_data(l)
+    bank_data = r.bank_data
+    hit_data = [[0 for x in range(width)] for y in range(height)]
+    
+    with open(args.statsname, 'w') as stats:
+        
+        for bank in range(0,args.num_banks):
+            
+            data = bank_data['ROM Bank'].get(bank, {'sections': [], 'used': 0, 'slack': 0x4000})
+            
+            for s in data['sections']:
+                beg = (s['beg'] & 0x3FFF) + bank * 0x4000
+                end = (s['end'] & 0x3FFF) + bank * 0x4000
+                y_beg = beg // (width * bpp)
+                x_beg = (beg % (width * bpp)) // bpp
+                
+                y_end = end // (width * bpp)
+                x_end = (end % (width * bpp)) // bpp
+                
+                #print('beg {0} end {1}: {2}/{3} -- {4}/{5}'.format(beg, end, y_beg, x_beg, y_end, x_end))
+                
+                # special case y_beg/x_beg and y_end/x_end
+                if (end - beg + 1 < bpp):
+                    hit_data[y_beg][x_beg] += end - beg + 1
+                    
+                else:
+                    hit_data[y_beg][x_beg] += bpp - ((beg % (width * bpp)) - x_beg * bpp)
+                    hit_data[y_end][x_end] += ((end % (width * bpp)) - x_end * bpp + 1)
+                
+                # regular case
+                for y in range(y_beg, y_end + 1):
+                    
+                    x_line_beg = 0         if y_beg != y else x_beg + 1
+                    x_line_end = width - 1 if y_end != y else x_end - 1
+                    
+                    for x in range(x_line_beg, x_line_end + 1):
+                        
+                        hit_data[y][x] += bpp
+
+    
+    with open(args.filename, 'wb') as pngfile:
+    
+        w = png.Writer(width, height);
+        
+        pngdata = []
+        for row in hit_data:
+            row_png_data = ()
+            for col in row:
+                
+                if (0 != col):
+                    print('Here')
+                rgb = [255 * x for x in hls_to_rgb(120/360, 1.0 - (col/bpp * (100 - 15))/100, 100/100)]
+                row_png_data += tuple(rgb)
+            
+            pngdata.append(row_png_data)
+    
+        w.write(pngfile, pngdata)