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Adjusted the check digit.

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This commit is contained in:
Thomas Harte 2016-08-15 22:44:36 -04:00
parent dbe47f3f45
commit 3a23d5d8cf
1 changed files with 3 additions and 2 deletions
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5
Storage/Tape/Formats/TapePRG.cpp
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@ -106,7 +106,6 @@ void TapePRG::get_next_output_token()
if(byte_offset < 9) if(byte_offset < 9)
{ {
_output_byte = (uint8_t)(9 - byte_offset) | 0x80; _output_byte = (uint8_t)(9 - byte_offset) | 0x80;
_check_digit = 0;
} }
else if(byte_offset == 199) else if(byte_offset == 199)
{ {
@ -114,6 +113,7 @@ void TapePRG::get_next_output_token()
} }
else else
{ {
if(byte_offset == 9) _check_digit = 0;
if(_filePhase == FilePhaseHeader) if(_filePhase == FilePhaseHeader)
{ {
switch(byte_offset - 9) switch(byte_offset - 9)
@ -137,10 +137,11 @@ void TapePRG::get_next_output_token()
_output_byte = (uint8_t)fgetc(_file); _output_byte = (uint8_t)fgetc(_file);
if(feof(_file)) _output_byte = 0x20; if(feof(_file)) _output_byte = 0x20;
} }
_check_digit ^= _output_byte;
} }
printf("%02x ", _output_byte); printf("%02x ", _output_byte);
_check_digit ^= _output_byte;
} }
switch(bit_offset) switch(bit_offset)