def UtoS(n):
if n < 0x80:
return n
return -(0x100 - n)
disasmd = {}
if __name__ == "__main__":
rom = ROM()
with open('pacman.nes', 'rb') as f:
rom.load(f)
#rom.prgbanks[0][0x30C3:0x30C8]=[0xA2,0x00,0xA0,0x00,0xA1,0xAA,0xB1,0x55,0x60]
labels = {
rom.read16(0xFFFA): ['nmi', CODE, False],
rom.read16(0xFFFC): ['rst', CODE, False],
rom.read16(0xFFFE): ['irq', CODE, False]
}
#labels={rom.read16(0xFFFC):['rst',CODE,False]}
#labels={0xF0C3:['rst',CODE,False]}
toprocess = [i for i in labels.keys()]
blocks = {}
jumptables = [[0xC267, 4], [0xC52E, 12], [0xC7A1, 3], [0xCAD7, 9],
[0xD40E, 4], [0xD596, 5], [0xD601, 4], [0xD6DE, 4]]
while len(toprocess) > 0:
k = toprocess.pop()
if k in blocks:
continue
b1 = None
for i in blocks.values():
JTT=4
JT=8
CC=16
PC=32
def UtoS(n):
if n<0x80:
return n
return -(0x100-n)
disasmd={}
if __name__=="__main__":
rom=ROM()
with open('C:\\users\\Andrew.Sentman\\workspace\\AIIEmu\\tests\\pacman.nes','rb') as f:
rom.load(f)
labels={rom.read16(0xFFFA):['nmi',CODE,False],rom.read16(0xFFFD):['rst',CODE,False],rom.read16(0xFFFE):['irq',CODE,False]}
jumptables=[[0xC267,4],[0xC52E,12],[0xC7A1,3],[0xCAD7,9],[0xD40E,4],[0xD596,5],[0xD601,4],[0xD6DE,4]]
byteflags=[0]*0x10000
for i in jumptables:
for j in xrange(i[0],i[0]+i[1]*2):
byteflags[j]|=JT
for j in xrange(i[1]):
taddr=rom.read16(i[0]+j*2)
if taddr not in labels:
labels[taddr]=['__'+hex(taddr),CODE|JTT,False]
else:
labels[taddr][1]|=CODE|JTT
#print labels
plen=0
while len(labels)>plen:
plen=len(labels)
return False
if addr>=self.endaddr:
return False
return True
def UtoS(n):
if n<0x80:
return n
return -(0x100-n)
disasmd={}
if __name__=="__main__":
rom=ROM()
with open('pacman.nes','rb') as f:
rom.load(f)
#rom.prgbanks[0][0x30C3:0x30C8]=[0xA2,0x00,0xA0,0x00,0xA1,0xAA,0xB1,0x55,0x60]
labels={rom.read16(0xFFFA):['nmi',CODE,False],rom.read16(0xFFFC):['rst',CODE,False],rom.read16(0xFFFE):['irq',CODE,False]}
#labels={rom.read16(0xFFFC):['rst',CODE,False]}
#labels={0xF0C3:['rst',CODE,False]}
toprocess=[i for i in labels.keys()]
blocks={}
jumptables=[[0xC267,4],[0xC52E,12],[0xC7A1,3],[0xCAD7,9],[0xD40E,4],[0xD596,5],[0xD601,4],[0xD6DE,4]]
while len(toprocess)>0:
k=toprocess.pop()
if k in blocks:
continue
b1=None
for i in blocks.values():
if i.contains(k):
b1,b2=i.split(k)
break
if b1 is not None:
