makeslowram

#!/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 combined kernel and basic ROM
romdata=""
bytes_read = open(argv[2], "rb").read()
first=True
c=0;
count=0
for b in bytes_read:
    if c==16:
        c=0;
    if c==0:
        romdata=romdata+"\n"
    if c & 1:
    	romdata=romdata+b.encode('hex').upper()+"\""
    else:
    	if first:
        	first=False
    	else:
        	romdata=romdata+","
    	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()