Python w16 예제들

예제 #1

파일: hp53xx.py 프로젝트: bsdphk/PyRevEng

def one_eprom(p, disass, start, eprom_size):

	if False:
		x = p.t.add(start, start + eprom_size, "eprom")
		x.blockcmt += "\n-\nEPROM at 0x%x-0x%x\n\n" % \
		    (start, start + eprom_size - 1)

	# Calculate checksum
	j = 0^p.m.w16(start)
	for jj in range(2, eprom_size):
		j += p.m.rd(start + jj)
	j &= 0xffff
	if j == 0xffff:
		j = "OK"
	else:
		print("NB: Bad Eprom checksum @%x" % start)
		j = "BAD"

	x = const.w16(p, start)
	x.cmt.append("EPROM checksum (%s)" % j)
	x.blockcmt += "-\nEPROM %04x\n" % start

	x = const.byte(p, start + 2)
	x.cmt.append("EPROM identifier")

	# Jump table at front of EPROM
	for ax in range(start + 3, start + eprom_size, 3):
		if p.m.rd(ax) != 0x7e:
			break
		disass(ax)

예제 #2

def one_eprom(p, disass, start, eprom_size):

    if False:
        x = p.t.add(start, start + eprom_size, "eprom")
        x.blockcmt += "\n-\nEPROM at 0x%x-0x%x\n\n" % \
            (start, start + eprom_size - 1)

    # Calculate checksum
    j = 0 ^ p.m.w16(start)
    for jj in range(2, eprom_size):
        j += p.m.rd(start + jj)
    j &= 0xffff
    if j == 0xffff:
        j = "OK"
    else:
        print("NB: Bad Eprom checksum @%x" % start)
        j = "BAD"

    x = const.w16(p, start)
    x.cmt.append("EPROM checksum (%s)" % j)
    x.blockcmt += "-\nEPROM %04x\n" % start

    x = const.byte(p, start + 2)
    x.cmt.append("EPROM identifier")

    # Jump table at front of EPROM
    for ax in range(start + 3, start + eprom_size, 3):
        if p.m.rd(ax) != 0x7e:
            break
        disass(ax)

예제 #3

def eprom(p, disass, start, end, sz):
    lx = list()
    for ax in range(start, end, sz):
        lx.append(ax >> 8)
        lx.append(ax & 0xff)
        one_eprom(p, disass, ax, sz)
    lx.append(end >> 8)
    lx.append(end & 0xff)

    # Find the table of eprom locations
    l = p.m.find(start, end, lx)
    print("EPROM", l)
    assert len(l) == 1
    x = p.t.add(l[0], l[0] + len(lx), "tbl")
    x.blockcmt += "-\nTable of EPROM locations"
    for ax in range(x.start, x.end, 2):
        const.w16(p, ax)
    p.setlabel(l[0], "EPROM_TBL")

예제 #4

파일: hp53xx.py 프로젝트: bsdphk/PyRevEng

def eprom(p, disass, start, end, sz):
	lx = list()
	for ax in range(start, end, sz):
		lx.append(ax >> 8)
		lx.append(ax & 0xff)
		one_eprom(p, disass, ax, sz)
	lx.append(end >> 8)
	lx.append(end & 0xff)

	# Find the table of eprom locations
	l = p.m.find(start, end, lx)
	print("EPROM", l)
	assert len(l) == 1
	x = p.t.add(l[0], l[0] + len(lx), "tbl")
	x.blockcmt += "-\nTable of EPROM locations"
	for ax in range(x.start, x.end, 2):
		const.w16(p, ax)
	p.setlabel(l[0], "EPROM_TBL")

예제 #5

파일: task.py 프로젝트: bsdphk/PyRevEng

	def chargen(adr):
		const.byte(p,adr)
		const.byte(p,adr + 1)
		for j in range(2, 66, 2):
			x = const.w16(p, adr + j)
			y = p.m.b16(adr + j)
			s = ""
			for b in range(15, -1, -1):
				if y & (1 << b):
					s += "#"
				else:
					s += "."
			x.lcmt(s)

예제 #6

파일: task.py 프로젝트: sahwar/PyRevEng

 def chargen(adr):
     const.byte(p, adr)
     const.byte(p, adr + 1)
     for j in range(2, 66, 2):
         x = const.w16(p, adr + j)
         y = p.m.b16(adr + j)
         s = ""
         for b in range(15, -1, -1):
             if y & (1 << b):
                 s += "#"
             else:
                 s += "."
         x.lcmt(s)

예제 #7

파일: task.py 프로젝트: bsdphk/PyRevEng

def caseW(a):
	x = p.m.b32(a)
	assert (x >> 16) == 0x2100
	l = x & 0xffff
	y = p.m.b16(a + 4)
	assert y == 0x1402
	y = p.m.b32(a + 6)
	z = p.m.b16(y - 2)
	assert z == 0x1e28
	z = cpu.disass(y - 2)
	print("CASE", "l=%d" % l, "y=%x" % y)
	q = dict()
	for i in range (0,l):
		const.w16(p, y + 2 * i)
		t = y + 2 * l + 4 * i
		idx = p.m.b16(y + 2 * i)
		res = p.m.b32(t)
		# XXX: should be .PTR
		x = const.w32(p, t)
		x.lcmt(" case %04x" % idx)
		z.flow("cond", "%d" % i, res)
		cpu.disass(res)
		q[idx]= res
	return q

예제 #8

파일: task.py 프로젝트: sahwar/PyRevEng

def caseW(a):
    x = p.m.b32(a)
    assert (x >> 16) == 0x2100
    l = x & 0xffff
    y = p.m.b16(a + 4)
    assert y == 0x1402
    y = p.m.b32(a + 6)
    z = p.m.b16(y - 2)
    assert z == 0x1e28
    z = cpu.disass(y - 2)
    print("CASE", "l=%d" % l, "y=%x" % y)
    q = dict()
    for i in range(0, l):
        const.w16(p, y + 2 * i)
        t = y + 2 * l + 4 * i
        idx = p.m.b16(y + 2 * i)
        res = p.m.b32(t)
        # XXX: should be .PTR
        x = const.w32(p, t)
        x.lcmt(" case %04x" % idx)
        z.flow("cond", "%d" % i, res)
        cpu.disass(res)
        q[idx] = res
    return q

예제 #9

 def lstr(p, a):
     const.w16(p, a)
     const.txtlen(p, a + 2, p.m.b16(a))

예제 #10

m.fromfile("u91.bin", 1, 2)
m.fromfile("u94.bin", 0x2000, 2)
m.fromfile("u92.bin", 0x2001, 2)
m.bcols = 8

#######################################################################
# Create a pyreveng instance
p = pyreveng.pyreveng(m)

#######################################################################
# Instantiate a disassembler
cpu = cpus.z8000.z8000(p)

#######################################################################
# Provide hints for disassembly
const.w16(p, 0)
const.w16(p, 2)
const.w16(p, 4)
const.w16(p, 6)

cpu.disass(p.m.b16(6))

#######################################################################
# More hints...

if False:
    # Args to 0x050c and 0x12f0
    def lstr(p, a):
        const.w16(p, a)
        const.txtlen(p, a + 2, p.m.b16(a))

예제 #11

파일: task.py 프로젝트: bsdphk/PyRevEng

m.add_seg(1, m1)

#######################################################################
# Create a pyreveng instance
p = pyreveng.pyreveng(m)

print("%x" % p.lo, "%x" % p.hi)

#######################################################################
# Instantiate a disassembler
cpu = cpus.z8000.z8000(p, segmented = True)

#######################################################################
# Provide hints for disassembly
# const.w16(p, 0)
x = const.w16(p, 2)
x.lcmt("Reset PSW")
x = const.w16(p, 4)
x.lcmt("Reset SEG")
x = const.w16(p, 6)
x.lcmt("Reset PC")

p.setlabel(p.m.b16(6), "RESET")
cpu.disass(p.m.b16(6))
cpu.disass(0)

#######################################################################
# non-stack calls LDA RR10,0x??:0x????

def rr10_call(adr):
	# Turn a jump into a call

예제 #12

for i in range(0xf0, 0x100):
	cpu.io_port[i] = "DMA_%02x" % i

#######################################################################

cpu.disass(0)
cpu.disass(0x0027)

#######################################################################
# Interrupt vectors

for i in range(0x7300,0x7320, 2):
	da = p.m.l16(i)
	cpu.disass(da)
	const.w16(p, i)

#######################################################################

while p.run():
	pass

#######################################################################

cpu.to_tree()

#######################################################################

p.setlabel(0x7000, "Error_No_System_Files")
const.txtlen(p, 0x707d, 0x15)
# p.setlabel(0x707d, '"**NO SYSTEM FILES**"')

예제 #13

파일: task.py 프로젝트: bsdphk/PyRevEng

m.fromfile("u91.bin", 1, 2)
m.fromfile("u94.bin", 0x2000, 2)
m.fromfile("u92.bin", 0x2001, 2)
m.bcols=8

#######################################################################
# Create a pyreveng instance
p = pyreveng.pyreveng(m)

#######################################################################
# Instantiate a disassembler
cpu = cpus.z8000.z8000(p)

#######################################################################
# Provide hints for disassembly
const.w16(p, 0)
const.w16(p, 2)
const.w16(p, 4)
const.w16(p, 6)

cpu.disass(p.m.b16(6))

#######################################################################
# More hints...

if False:
	# Args to 0x050c and 0x12f0
	def lstr(p, a):
		const.w16(p, a)
		const.txtlen(p, a + 2, p.m.b16(a))

예제 #14

파일: task.py 프로젝트: sahwar/PyRevEng

m.add_seg(1, m1)

#######################################################################
# Create a pyreveng instance
p = pyreveng.pyreveng(m)

print("%x" % p.lo, "%x" % p.hi)

#######################################################################
# Instantiate a disassembler
cpu = cpus.z8000.z8000(p, segmented=True)

#######################################################################
# Provide hints for disassembly
# const.w16(p, 0)
x = const.w16(p, 2)
x.lcmt("Reset PSW")
x = const.w16(p, 4)
x.lcmt("Reset SEG")
x = const.w16(p, 6)
x.lcmt("Reset PC")

p.setlabel(p.m.b16(6), "RESET")
cpu.disass(p.m.b16(6))
cpu.disass(0)

#######################################################################
# non-stack calls LDA RR10,0x??:0x????


def rr10_call(adr):

예제 #15

파일: task.py 프로젝트: bsdphk/PyRevEng

	x = const.w16(p, adr)
	x.lcmt(txt)
	cpu.disass(da)
	p.setlabel(da, txt)

if True:
	#vector(0xfffa, "NMI")
	vector(0xfffc, "RESET")
	vector(0xfffe, "IRQ")
	for a in range(0xfff3, 0xfff9, 3):
		cpu.disass(a)
		pass

if False:
	for a in range(0xff9a, 0xffa0, 2):
		const.w16(p, a)
		cpu.disass(p.m.l16(a))
	for a in range(0xff93, 0xff9a, 3):
		const.w16(p, a + 1)
		cpu.disass(a)
		pass

#######################################################################
if True:
	while p.run():
		pass

	x = p.t.add(0xe28a, 0xe29d, "consts")
	x.blockcmt = """-
Command byte dispatch table
"""

예제 #16

파일: task.py 프로젝트: bsdphk/PyRevEng

def vector(adr, txt):
	da = p.m.l16(adr)
	x = const.w16(p, adr)
	x.lcmt(txt)
	cpu.disass(da)
	p.setlabel(da, txt)

예제 #17

const.fill(p, hi=0x6bff)
const.fill(p, hi=0x6fff)
const.fill(p, hi=0x73ff)
const.fill(p, hi=0x77ff)
const.fill(p, hi=0x7bff)
const.fill(p, hi=0x7eff)
const.fill(p, hi=0x7ff7)
#----------------------------------------------------------------------

# See 0x61a4
cpu.disass(0x6175)
# See 0x61fa
cpu.disass(0x616b)
cpu.disass(0x60a1)

const.w16(p, 0x68b7)
#----------------------------------------------------------------------
while p.run():
    pass

#----------------------------------------------------------------------
hp53xx.nmi_debugger(p, cpu)
#----------------------------------------------------------------------
hp5359_cmds = {
    "F": "Frequency Mode",
    "P": "Period Mode",
    "D": "Delay",
    "W": "Width",
    "SS": "Step Size",
    "SU": "Step Up",
    "SD": "Step Down",

예제 #18

파일: task.py 프로젝트: bsdphk/PyRevEng

	def lstr(p, a):
		const.w16(p, a)
		const.txtlen(p, a + 2, p.m.b16(a))

예제 #19

파일: task_hp5359a.py 프로젝트: bsdphk/PyRevEng

const.fill(p, hi=0x6fff)
const.fill(p, hi=0x73ff)
const.fill(p, hi=0x77ff)
const.fill(p, hi=0x7bff)
const.fill(p, hi=0x7eff)
const.fill(p, hi=0x7ff7)
#----------------------------------------------------------------------


# See 0x61a4
cpu.disass(0x6175)
# See 0x61fa
cpu.disass(0x616b)
cpu.disass(0x60a1)

const.w16(p, 0x68b7)
#----------------------------------------------------------------------
while p.run():
	pass

#----------------------------------------------------------------------
hp53xx.nmi_debugger(p, cpu)
#----------------------------------------------------------------------
hp5359_cmds = {
	"F":	"Frequency Mode",
	"P":	"Period Mode",
	"D":	"Delay",
	"W":	"Width",
	"SS":	"Step Size",
	"SU":	"Step Up",
	"SD":	"Step Down",