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Add data for system; python script to build store_data

This commit is contained in:
Peter Evans 2018-01-03 20:49:03 -06:00
parent 6963883a60
commit 74e81a3f57
3 changed files with 44 additions and 0 deletions

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data/apple2.rom Normal file

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#!/usr/bin/env python2
import sys
# If we can open fname, then return its data; otherwise, raise an exception
def file_data(fname):
with open(fname, 'r') as f:
return f.read()
raise Exception("failed to read file %s" % (fname))
# This is "header" field of the objstore struct.
data = 'hope'
# These must be appended in the exact order indicated by the struct definition
# in objstore.h
data += file_data('./data/apple2.rom')
data += file_data('./data/disk2.rom')
data += file_data('./fonts/apple2-system.bmp')
# Let's not keep calling len(data) since we know it won't change over our
# iterations
data_len = len(data)
# This just defines the variable name for the store data
sys.stdout.write("static unsigned char store_data[] =\n")
# This loop will write out a series of 16 characters given in hexadecimal
# escape, preceded by a quote and ending in a quote. C will automatically
# append literal strings when given one after another with no other punctuation
# (e.g. "abc" "def" is equivalent to "abcdef"). The first sys.stdout.write()
# will start us off with the first line's quote mark.
sys.stdout.write('"')
for i in range(0, data_len):
sys.stdout.write("\\x%02x" % (ord(data[i])))
if i == data_len - 1:
break
if i > 0 and (i+1) % 16 == 0:
sys.stdout.write('"\n"')
# And we're about done; finish with the last quote, and then terminate with a
# semicolon.
sys.stdout.write('";')
# vim:ft=python: