makerom

#!/usr/bin/env python

from os.path import realpath, dirname, join
from sys import argv, path

# Read a binary file and use it to make an initialised RAM

w=open(argv[3]+".vhdl","w")

# Read in the ROM file
romdata=""
bytes_read = open(argv[2], "rb").read()
first=True
c=0;
count=0
for b in bytes_read:
    if first:
        first=False
    else:
        romdata=romdata+","
    if c==8:
        c=0;
    #if c==0:
    #        romdata=romdata+"\n  -- "+hex(count+0xe000)+"\n  "
    romdata=romdata+"x\""+b.encode('hex').upper()+"\""
    count=count+1
    c=c+1;    

# Read ROM template file
lines=open(argv[1]).readlines()

for line in lines:
    if line.find("THEROM")>-1:
        line=line.replace("THEROM",argv[3])
    if line.find("ROMDATA")>-1:
        line=line.replace("ROMDATA",romdata)
    w.write(line)

w.close()