Subversion Repositories fpga-cf

# PATLPP Assembler

import sys

if (len(sys.argv) < 2):

        print 'Usage: pasm <input file> [output file]'

        exit()

infilename = sys.argv[1]

if (len(sys.argv) > 2): outfilename = sys.argv[2]

else: outfilename = "out.v"

infile = open(sys.argv[1])

pc = 0

labels = dict()

for line in infile:

        line = line.strip()

        if line.startswith(('IN(','OUT(','BYP(','CSA(','CSC(','JMP(','RST(','ADD(','SUB(','MOV(','SRAP2R(')):

                pc += 1

        elif line.startswith('#:'):

                print "// ", line

                label = line[2:]

                label = label.strip(' ')

                labels[label] = pc

print "// labels: ", labels

execfile(sys.argv[1], labels)