Mercurial > repos > blastem

comparison gentests.py @ 227:42123feab62d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added test cases for divs/divu and added divide by zero handler to test generator
author Mike Pavone <pavone@retrodev.com>
date Sun, 21 Apr 2013 16:44:10 -0700
parents f7ff02eeec2f
children 8db584faac4b
comparison
equal deleted inserted replaced
226:28a6697e847b 227:42123feab62d
21 def name(self): 21 def name(self):
22 return str(self.inst).replace('.', '_').replace('#', '_').replace(',', '_').replace(' ', '_').replace('(', '[').replace(')', ']') 22 return str(self.inst).replace('.', '_').replace('#', '_').replace(',', '_').replace(' ', '_').replace('(', '[').replace(')', ']')
23 23
24 def write_rom_test(self, outfile): 24 def write_rom_test(self, outfile):
25 outfile.write('\tdc.l $0, start\n') 25 outfile.write('\tdc.l $0, start\n')
26 needdivzero = self.inst.name.startswith('div')
26 for i in xrange(0x8, 0x100, 0x4): 27 for i in xrange(0x8, 0x100, 0x4):
27 outfile.write('\tdc.l empty_handler\n') 28 if needdivzero and i == 0x14:
28 outfile.write('\tdc.b "SEGA"\nempty_handler:\n\trte\nstart:\n') 29 outfile.write('\tdc.l div_zero_handler\n')
29 outfile.write('\tmove #0, CCR\n') 30 else:
31 outfile.write('\tdc.l empty_handler\n')
32 outfile.write('\tdc.b "SEGA"\nempty_handler:\n\trte\n')
33 if needdivzero:
34 outfile.write('div_zero_handler:\n')
35 div_zero_count = self.get_dreg()
36 outfile.write('\taddq #1, ' + str(div_zero_count) + '\n')
37 outfile.write('\trte\n')
38 outfile.write('start:\n\tmove #0, CCR\n')
39 if needdivzero:
40 outfile.write('\tmoveq #0, ' + str(div_zero_count) + '\n')
30 already = {} 41 already = {}
31 self.inst.write_init(outfile, already) 42 self.inst.write_init(outfile, already)
32 if 'label' in already: 43 if 'label' in already:
33 outfile.write('lbl_' + str(already['label']) + ':\n') 44 outfile.write('lbl_' + str(already['label']) + ':\n')
34 outfile.write('\t'+str(self.inst)+'\n') 45 outfile.write('\t'+str(self.inst)+'\n')