Add the build tools for the font

libsrc/atari7800/buildfont160.py

@@ -0,0 +1,30 @@
+blen = 0
+
+def gb(val):
+    b = val[0] << 6
+    b = b + (val[1] << 4)
+    b = b + (val[2] << 2)
+    b = b + val[3]
+    return '$' + hex(b)[2:4]
+
+def printline(f, val):
+    f.write("    .byte " +
+        gb(val[0:4]) + ', ' +
+        gb(val[4:8]) + ', ' +
+        gb(val[8:12]) + ', ' +
+        gb(val[12:16]) + ', ' +
+        gb(val[16:20]) + ', ' +
+        gb(val[20:24]) + ', ' +
+        gb(val[24:28]) + ', ' +
+        gb(val[28:32]) + '\n')
+
+fname='font160'
+with open(fname + '.data', 'rb') as f:
+    data = f.read()
+fname= fname + '.s'
+with open(fname, 'w') as f:
+    f.write("    .export _font160\n")
+    f.write('    .rodata\n')
+    f.write("_font160:\n")
+    for i in range(0, int(len(data)/32)):
+        printline(f, data[i * 32:i * 32 + 32])