lloeki/python-dcpu_16
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log only when debug set

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Loic Nageleisen 2012-04-08 18:18:50 +02:00
parent 9fcfd9437d
commit a2d39a818b
1 changed files with 14 additions and 15 deletions
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29
dcpu_16.py
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@ -183,7 +183,7 @@ def pointerize(f):
def register(c, code): def register(c, code):
"""register""" """register"""
v = "c.r[0x%01X]" % code v = "c.r[0x%01X]" % code
log(v) if c.debug: log(v)
return v return v
@valcode(range(0x08, 0x10)) @valcode(range(0x08, 0x10))
@ -191,7 +191,7 @@ def register(c, code):
def register_value(c, code): def register_value(c, code):
"""[register]""" """[register]"""
v = "c.m[c.r[0x%01X]]" % (code-0x07) v = "c.m[c.r[0x%01X]]" % (code-0x07)
log(v) if c.debug: log(v)
return v return v
@valcode(range(0x10, 0x18)) @valcode(range(0x10, 0x18))
@ -199,8 +199,8 @@ def register_value(c, code):
def next_word_plus_register_value(c, code): def next_word_plus_register_value(c, code):
"""[next word + register]""" """[next word + register]"""
v = "c.m[0x%04X + 0x%01X]" % (c.m[c.pc], code-0x0F) v = "c.m[0x%04X + 0x%01X]" % (c.m[c.pc], code-0x0F)
log(v)
c.pc += 1 c.pc += 1
if c.debug: log(v)
return v return v
@valcode(0x18) @valcode(0x18)
@ -208,8 +208,8 @@ def next_word_plus_register_value(c, code):
def pop(c): def pop(c):
"""POP / [SP++]""" """POP / [SP++]"""
v = "c.m[0x%04X]" % c.sp v = "c.m[0x%04X]" % c.sp
log(v)
c.sp += 1 c.sp += 1
if c.debug: log(v)
return v return v
@valcode(0x19) @valcode(0x19)
@ -217,7 +217,7 @@ def pop(c):
def peek(c): def peek(c):
"""PEEK / [SP]""" """PEEK / [SP]"""
v = "c.m[0x%04X]" % c.sp v = "c.m[0x%04X]" % c.sp
log(v) if c.debug: log(v)
return v return v
@valcode(0x1A) @valcode(0x1A)
@ -226,7 +226,7 @@ def push(c):
"""PUSH / [--SP]""" """PUSH / [--SP]"""
c.sp -= 1 c.sp -= 1
v = "c.m[0x%04X]" % c.sp v = "c.m[0x%04X]" % c.sp
log(v) if c.debug: log(v)
return v return v
@valcode(0x1B) @valcode(0x1B)
@ -234,7 +234,7 @@ def push(c):
def stack_pointer(c): def stack_pointer(c):
"""stack pointer""" """stack pointer"""
v = "c.sp" v = "c.sp"
log(v) if c.debug: log(v)
return v return v
@valcode(0x1C) @valcode(0x1C)
@ -242,7 +242,7 @@ def stack_pointer(c):
def program_counter(c): def program_counter(c):
"""program counter""" """program counter"""
v = "c.pc" v = "c.pc"
log(v) if c.debug: log(v)
return v return v
@valcode(0x1D) @valcode(0x1D)
@ -250,7 +250,7 @@ def program_counter(c):
def overflow(c): def overflow(c):
"""overflow""" """overflow"""
v = "c.o" v = "c.o"
log(v) if c.debug: log(v)
return v return v
@valcode(0x1E) @valcode(0x1E)
@ -259,7 +259,7 @@ def next_word_value(c):
"""[next_word]""" """[next_word]"""
v = "c.m[0x%04X]" % c.m[c.pc] v = "c.m[0x%04X]" % c.m[c.pc]
c.pc += 1 c.pc += 1
log(v) if c.debug: log(v)
return v return v
@valcode(0x1F) @valcode(0x1F)
@ -268,7 +268,7 @@ def next_word(c):
"""next_word (literal)""" """next_word (literal)"""
v = "c.m[0x%04X]" % c.pc v = "c.m[0x%04X]" % c.pc
c.pc += 1 c.pc += 1
log(v) if c.debug: log(v)
return v return v
@valcode(range(0x20, 0x40)) @valcode(range(0x20, 0x40))
@ -276,7 +276,7 @@ def next_word(c):
def literal(c, code): def literal(c, code):
"""literal value 0x00-0x1F (literal)""" """literal value 0x00-0x1F (literal)"""
v = "0x%04X" % (code - 0x20) v = "0x%04X" % (code - 0x20)
log(v) if c.debug: log(v)
return v return v
@ -379,7 +379,7 @@ class CPU(object):
opcode = word & 0xF opcode = word & 0xF
try: try:
op = opcode_map[(opcode,)] op = opcode_map[(opcode,)]
log(op.__name__) if c.debug: log(op.__name__)
except KeyError: except KeyError:
raise Exception('Invalid opcode %01X at PC=%04X' % (opcode, c.pc)) raise Exception('Invalid opcode %01X at PC=%04X' % (opcode, c.pc))
a = c._pointer(word >> 4 & 0x3F) a = c._pointer(word >> 4 & 0x3F)
@ -388,8 +388,7 @@ class CPU(object):
c.skip = False c.skip = False
else: else:
op(c, a, b) op(c, a, b)
if c.debug: if c.debug: log(c.dump_r())
log(c.dump_r())
def dump_r(c): def dump_r(c):
"""human-readable register status""" """human-readable register status"""