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Code Issues Releases Wiki Activity

Removed debug

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This commit is contained in:
Ross Wilson
2016-02-29 18:10:29 +07:00
parent ee9660384e
commit 593483135a
1 changed files with 10 additions and 10 deletions
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20
idasm/loadptp.py
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@@ -156,6 +156,11 @@ def c8lds_handler(ptp_data, memory):
A load address of 0177777 indicates the end of the load.
As there is no autostart mechanism, returns (None, None) on successful load.
Returns None if there was nothing to load.
Note that we DO need an 'end of load' block of three bytes at the end of
the tape:
001 # 1 data word (any non-zero value will do)
0177777 # a block load address of 0177777
"""
index = 0
@@ -164,13 +169,11 @@ def c8lds_handler(ptp_data, memory):
index = skipzeros(ptp_data, index)
if index is None:
# empty tape
# print('empty tape')
return None
index = read_blockloader(ptp_data, index, memory)
if index is None:
# short block loader?
# print('short blockloader?')
return None
# now read data blocks
@@ -184,7 +187,6 @@ def c8lds_handler(ptp_data, memory):
result = get_byte(ptp_data, index)
if result is None:
# premature end of tape?
# print('EOT in block getting count?')
return None
(count, index) = result
@@ -192,10 +194,10 @@ def c8lds_handler(ptp_data, memory):
result = get_word(ptp_data, index)
if result is None:
# premature end of tape?
# print('EOT in block getting load address?')
return None
(address, index) = result
if address == 0177777:
# it's an End-Of-Tape block!
break
# read data words, store in memory and calculate checksum
@@ -204,7 +206,6 @@ def c8lds_handler(ptp_data, memory):
result = get_word(ptp_data, index)
if result is None:
# premature end of tape?
# print('EOT in block getting data word?')
return None
(data, index) = result
@@ -218,13 +219,10 @@ def c8lds_handler(ptp_data, memory):
result = get_word(ptp_data, index)
if result is None:
# premature end of tape?
# print('EOT in block getting checksum?')
return None
(ptp_checksum, index) = result
if ptp_checksum != checksum:
# bad checksum
# print('bad checksum, PTP checksum is %06o, expected %06o'
# % (ptp_checksum, checksum))
return None
# no auto-start mechanism, so
@@ -246,7 +244,9 @@ def lc16sd_handler(ptp_data, memory):
a checksum word (16bits)
one or more data words (16bits)
If the load address word is negative the load is finished.
If the load address word is negative the load is finished. The load address
with the high bit removed is the actual start address. The following word
is the value put into the AC just before start.
There is an autostart mechanism in this blockloader. Returns
(start_address, start_ac) on successful load.
@@ -279,7 +279,7 @@ def lc16sd_handler(ptp_data, memory):
if result is None:
return None # premature end of tape?
(address, index) = result
# if block load address is negative, we are finished
# if block load address has high bit set, we are finished
if address & 0x8000:
# address 0177777 means 'no autostart'
if address != 0177777: