Format:TAP tape image file format - Revision history

Ygdrazil at 08:55, 1 September 2014

2014-09-01T08:55:21Z

← Older revision		Revision as of 08:55, 1 September 2014
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	[[Category:~~Definition~~]]		[[Category:Definitions]]

Ygdrazil at 08:54, 1 September 2014

2014-09-01T08:54:59Z

← Older revision		Revision as of 08:54, 1 September 2014
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	Exit Point 2872 29E2 29E2		Exit Point 2872 29E2 29E2

			[[Category:Definition]]

Antoniovillena: /* Tape-Image (.TAP) file format */

2011-05-01T05:29:53Z

Tape-Image (.TAP) file format

← Older revision		Revision as of 05:29, 1 May 2011
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	Byte Size Name Description		Byte Size Name Description

	0 16 Filename ~~Padded to 16 bytes~~ with nulls		0 16 Filename Name of the file, padded with nulls
	16 1 Block number ~~Filename (padded with blanks)~~		16 1 Block number The first block is 1, numbers are consecutive
	17 1 Last block A non-zero value means that this is the last block of a file		17 1 Last block A non-zero value means that this is the last block of a file
	18 1 File type A value recording the type of the file (see below)		18 1 File type A value recording the type of the file (see below)
Line 56:		Line 56:
	3 = ASCII		3 = ASCII
	4..7 are unallocated		4..7 are unallocated
	Bits 4..7 Version ASCII files should be version 1, all other files, version 0		Bits 4..7 Version ASCII files should be version 1, all other files, version 0

	= Trapping the ROM routine =		= Trapping the ROM routine =

Antoniovillena at 14:46, 28 April 2011

2011-04-28T14:46:15Z

Antoniovillena at 14:43, 28 April 2011

2011-04-28T14:43:03Z

Antoniovillena at 14:39, 28 April 2011

2011-04-28T14:39:38Z

Antoniovillena at 14:36, 28 April 2011

2011-04-28T14:36:53Z

Antoniovillena at 14:35, 28 April 2011

2011-04-28T14:35:27Z

Antoniovillena at 14:34, 28 April 2011

2011-04-28T14:34:07Z

Antoniovillena at 14:33, 28 April 2011

2011-04-28T14:33:08Z

← Older revision		Revision as of 14:33, 28 April 2011
Line 54:		Line 54:
	Bit 0 Protection If this bit is set the file is protected in some way		Bit 0 Protection If this bit is set the file is protected in some way
	Bits 1..3 File contents 0 = Internal BASIC		Bits 1..3 File contents 0 = Internal BASIC
	1 = Binary		1 = Binary
	2 = Screen image		2 = Screen image
	3 = ASCII		3 = ASCII
	4..7 are unallocated		4..7 are unallocated
	Bits 4..7 Version ASCII files should be version 1, all other files, version 0		Bits 4..7 Version ASCII files should be version 1, all other files, version 0

← Older revision		Revision as of 14:46, 28 April 2011
Line 6:		Line 6:

	1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF		1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF
	^^^^^...... first block is 29 bytes (28 bytes+flag)		^^^^^...... first block is 29 bytes (28 bytes+flag)
	^^... flag byte (A reg, 2C for headers, 16 for data blocks)		^^... flag byte (A reg, 2C for headers, 16 for data blocks)
	file name .^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		file name .^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
	block number ..............................................^^		block number ..............................................^^
Line 19:		Line 19:
	58 00 10 AD 59 00 16 06 12 0A 00 2A 02 18 06 1E 07 30 0C 00 0D ..		58 00 10 AD 59 00 16 06 12 0A 00 2A 02 18 06 1E 07 30 0C 00 0D ..
	^^^^^............... logical length, in consecutive blocks (88 bytes)		^^^^^............... logical length, in consecutive blocks (88 bytes)
	^^^^^......... execution address for machine code programs (0xAD10)		^^^^^......... execution address for machine code programs (0xAD10)
	^^^^^... second block is 89 bytes (88 bytes+flag)		^^^^^... second block is 89 bytes (88 bytes+flag)
	flag byte ........^^		flag byte ........^^
	second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Line 39:		Line 39:

	0 16 Filename Padded to 16 bytes with nulls		0 16 Filename Padded to 16 bytes with nulls
	16 1 Block number Filename (padded with blanks)		16 1 Block number Filename (padded with blanks)
	17 1 Last block A non-zero value means that this is the last block of a file		17 1 Last block A non-zero value means that this is the last block of a file
	18 1 File type A value recording the type of the file (see below)		18 1 File type A value recording the type of the file (see below)
	19 2 Data length The number of data bytes in the data record		19 2 Data length The number of data bytes in the data record
	21 2 Data location Where the data was written from originally		21 2 Data location Where the data was written from originally
	23 1 First block A non-zero value means that this is the first block of a file		23 1 First block A non-zero value means that this is the first block of a file
	24 2 Logical length This is the total length of the file in bytes		24 2 Logical length This is the total length of the file in bytes
	26 2 Entry address The execution address for machine code programs		26 2 Entry address The execution address for machine code programs

	The file type (byte 18) is split into a number of fields:		The file type (byte 18) is split into a number of fields:
Line 52:		Line 52:
	Bit 0 Protection If this bit is set the file is protected in some way		Bit 0 Protection If this bit is set the file is protected in some way
	Bits 1..3 File contents 0 = Internal BASIC		Bits 1..3 File contents 0 = Internal BASIC
	1 = Binary		1 = Binary
	2 = Screen image		2 = Screen image
	3 = ASCII		3 = ASCII
	4..7 are unallocated		4..7 are unallocated
	Bits 4..7 Version ASCII files should be version 1, all other files, version 0		Bits 4..7 Version ASCII files should be version 1, all other files, version 0

← Older revision		Revision as of 14:43, 28 April 2011
Line 5:		Line 5:
	The .TAP files contain blocks of tape-saved data. All blocks start with two bytes specifying how many bytes will follow (not counting the two length bytes). Then raw tape data follows, starting with the flag byte. Unlike speccy format, the checksum bytes are not included, so you don't need calculate the crc-ccitt every 256 bytes, or padding the last page with zeroes, or ending with four 0xff bytes trailer.		The .TAP files contain blocks of tape-saved data. All blocks start with two bytes specifying how many bytes will follow (not counting the two length bytes). Then raw tape data follows, starting with the flag byte. Unlike speccy format, the checksum bytes are not included, so you don't need calculate the crc-ccitt every 256 bytes, or padding the last page with zeroes, or ending with four 0xff bytes trailer.

	1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF		1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF

	^^^^^...... first block is 29 bytes (28 bytes+flag)		^^^^^...... first block is 29 bytes (28 bytes+flag)
	^^... flag byte (A reg, 2C for headers, 16 for data blocks)		^^... flag byte (A reg, 2C for headers, 16 for data blocks)
Line 19:		Line 18:

	58 00 10 AD 59 00 16 06 12 0A 00 2A 02 18 06 1E 07 30 0C 00 0D ..		58 00 10 AD 59 00 16 06 12 0A 00 2A 02 18 06 1E 07 30 0C 00 0D ..

	^^^^^............... logical length, in consecutive blocks (88 bytes)		^^^^^............... logical length, in consecutive blocks (88 bytes)
	^^^^^......... execution address for machine code programs (0xAD10)		^^^^^......... execution address for machine code programs (0xAD10)
	^^^^^... second block is 89 bytes (88 bytes+flag)		^^^^^... second block is 89 bytes (88 bytes+flag)
	flag byte ........^^		flag byte ........^^
	second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Line 41:		Line 39:

	0 16 Filename Padded to 16 bytes with nulls		0 16 Filename Padded to 16 bytes with nulls
	16 1 Block number Filename (padded with blanks)		16 1 Block number Filename (padded with blanks)
	17 1 Last block A non-zero value means that this is the last block of a file		17 1 Last block A non-zero value means that this is the last block of a file
	18 1 File type A value recording the type of the file (see below)		18 1 File type A value recording the type of the file (see below)
	19 2 Data length The number of data bytes in the data record		19 2 Data length The number of data bytes in the data record
	21 2 Data location Where the data was written from originally		21 2 Data location Where the data was written from originally
	23 1 First block A non-zero value means that this is the first block of a file		23 1 First block A non-zero value means that this is the first block of a file
	24 2 Logical length This is the total length of the file in bytes		24 2 Logical length This is the total length of the file in bytes
	26 2 Entry address The execution address for machine code programs		26 2 Entry address The execution address for machine code programs

	The file type (byte 18) is split into a number of fields:		The file type (byte 18) is split into a number of fields:
Line 54:		Line 52:
	Bit 0 Protection If this bit is set the file is protected in some way		Bit 0 Protection If this bit is set the file is protected in some way
	Bits 1..3 File contents 0 = Internal BASIC		Bits 1..3 File contents 0 = Internal BASIC
	1 = Binary		1 = Binary
	2 = Screen image		2 = Screen image
	3 = ASCII		3 = ASCII
	4..7 are unallocated		4..7 are unallocated
	Bits 4..7 Version ASCII files should be version 1, all other files, version 0		Bits 4..7 Version ASCII files should be version 1, all other files, version 0

← Older revision		Revision as of 14:39, 28 April 2011
Line 5:		Line 5:
	The .TAP files contain blocks of tape-saved data. All blocks start with two bytes specifying how many bytes will follow (not counting the two length bytes). Then raw tape data follows, starting with the flag byte. Unlike speccy format, the checksum bytes are not included, so you don't need calculate the crc-ccitt every 256 bytes, or padding the last page with zeroes, or ending with four 0xff bytes trailer.		The .TAP files contain blocks of tape-saved data. All blocks start with two bytes specifying how many bytes will follow (not counting the two length bytes). Then raw tape data follows, starting with the flag byte. Unlike speccy format, the checksum bytes are not included, so you don't need calculate the crc-ccitt every 256 bytes, or padding the last page with zeroes, or ending with four 0xff bytes trailer.

	1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF		1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF

	^^^^^...... first block is 29 bytes (28 bytes+flag)		^^^^^...... first block is 29 bytes (28 bytes+flag)
	^^... flag byte (A reg, 2C for headers, 16 for data blocks)		^^... flag byte (A reg, 2C for headers, 16 for data blocks)
	file name .^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		file name .^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
	block number ..............................................^^		block number ..............................................^^
Line 21:		Line 21:

	^^^^^............... logical length, in consecutive blocks (88 bytes)		^^^^^............... logical length, in consecutive blocks (88 bytes)
	^^^^^......... execution address for machine code programs (0xAD10)		^^^^^......... execution address for machine code programs (0xAD10)
	^^^^^... second block is 89 bytes (88 bytes+flag)		^^^^^... second block is 89 bytes (88 bytes+flag)
	flag byte ........^^		flag byte ........^^
	second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Line 41:		Line 41:

	0 16 Filename Padded to 16 bytes with nulls		0 16 Filename Padded to 16 bytes with nulls
	16 1 Block number Filename (padded with blanks)		16 1 Block number Filename (padded with blanks)
	17 1 Last block A non-zero value means that this is the last block of a file		17 1 Last block A non-zero value means that this is the last block of a file
	18 1 File type A value recording the type of the file (see below)		18 1 File type A value recording the type of the file (see below)
	19 2 Data length The number of data bytes in the data record		19 2 Data length The number of data bytes in the data record
	21 2 Data location Where the data was written from originally		21 2 Data location Where the data was written from originally
	23 1 First block A non-zero value means that this is the first block of a file		23 1 First block A non-zero value means that this is the first block of a file
	24 2 Logical length This is the total length of the file in bytes		24 2 Logical length This is the total length of the file in bytes
	26 2 Entry address The execution address for machine code programs		26 2 Entry address The execution address for machine code programs

	The file type (byte 18) is split into a number of fields:		The file type (byte 18) is split into a number of fields:

← Older revision		Revision as of 14:36, 28 April 2011
Line 7:		Line 7:
	1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF		1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF

	^^^^^...... first block is 29 bytes (28 bytes+flag)		^^^^^...... first block is 29 bytes (28 bytes+flag)
	^^... flag byte (A reg, 2C for headers, 16 for data blocks)		^^... flag byte (A reg, 2C for headers, 16 for data blocks)
	file name .^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		file name .^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
	block number ..............................................^^		block number ..............................................^^
Line 21:		Line 21:

	^^^^^............... logical length, in consecutive blocks (88 bytes)		^^^^^............... logical length, in consecutive blocks (88 bytes)
	^^^^^......... execution address for machine code programs (0xAD10)		^^^^^......... execution address for machine code programs (0xAD10)
	^^^^^... second block is 89 bytes (88 bytes+flag)		^^^^^... second block is 89 bytes (88 bytes+flag)
	flag byte ........^^		flag byte ........^^
	second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Line 41:		Line 41:

	0 16 Filename Padded to 16 bytes with nulls		0 16 Filename Padded to 16 bytes with nulls
	16 1 Block number Filename (padded with blanks)		16 1 Block number Filename (padded with blanks)
	17 1 Last block A non-zero value means that this is the last block of a file		17 1 Last block A non-zero value means that this is the last block of a file
	18 1 File type A value recording the type of the file (see below)		18 1 File type A value recording the type of the file (see below)
	19 2 Data length The number of data bytes in the data record		19 2 Data length The number of data bytes in the data record
	21 2 Data location Where the data was written from originally		21 2 Data location Where the data was written from originally
	23 1 First block A non-zero value means that this is the first block of a file		23 1 First block A non-zero value means that this is the first block of a file
	24 2 Logical length This is the total length of the file in bytes		24 2 Logical length This is the total length of the file in bytes
	26 2 Entry address The execution address for machine code programs		26 2 Entry address The execution address for machine code programs

	The file type (byte 18) is split into a number of fields:		The file type (byte 18) is split into a number of fields:
Line 54:		Line 54:
	Bit 0 Protection If this bit is set the file is protected in some way		Bit 0 Protection If this bit is set the file is protected in some way
	Bits 1..3 File contents 0 = Internal BASIC		Bits 1..3 File contents 0 = Internal BASIC
	1 = Binary		1 = Binary
	2 = Screen image		2 = Screen image
	3 = ASCII		3 = ASCII
	4..7 are unallocated		4..7 are unallocated
	Bits 4..7 Version ASCII files should be version 1, all other files, version 0		Bits 4..7 Version ASCII files should be version 1, all other files, version 0

← Older revision		Revision as of 14:35, 28 April 2011
Line 7:		Line 7:
	1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF		1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF

	^^^^^...... first block is 29 bytes (28 bytes+flag)		^^^^^...... first block is 29 bytes (28 bytes+flag)
	^^... flag byte (A reg, 2C for headers, 16 for data blocks)		^^... flag byte (A reg, 2C for headers, 16 for data blocks)
	file name .^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		file name .^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
	block number ..............................................^^		block number ..............................................^^
Line 21:		Line 21:

	^^^^^............... logical length, in consecutive blocks (88 bytes)		^^^^^............... logical length, in consecutive blocks (88 bytes)
	^^^^^......... execution address for machine code programs (0xAD10)		^^^^^......... execution address for machine code programs (0xAD10)
	^^^^^... second block is 89 bytes (88 bytes+flag)		^^^^^... second block is 89 bytes (88 bytes+flag)
	flag byte ........^^		flag byte ........^^
	second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Line 41:		Line 41:

	0 16 Filename Padded to 16 bytes with nulls		0 16 Filename Padded to 16 bytes with nulls
	16 1 Block number Filename (padded with blanks)		16 1 Block number Filename (padded with blanks)
	17 1 Last block A non-zero value means that this is the last block of a file		17 1 Last block A non-zero value means that this is the last block of a file
	18 1 File type A value recording the type of the file (see below)		18 1 File type A value recording the type of the file (see below)
	19 2 Data length The number of data bytes in the data record		19 2 Data length The number of data bytes in the data record
	21 2 Data location Where the data was written from originally		21 2 Data location Where the data was written from originally
	23 1 First block A non-zero value means that this is the first block of a file		23 1 First block A non-zero value means that this is the first block of a file
	24 2 Logical length This is the total length of the file in bytes		24 2 Logical length This is the total length of the file in bytes
	26 2 Entry address The execution address for machine code programs		26 2 Entry address The execution address for machine code programs

	The file type (byte 18) is split into a number of fields:		The file type (byte 18) is split into a number of fields:
Line 54:		Line 54:
	Bit 0 Protection If this bit is set the file is protected in some way		Bit 0 Protection If this bit is set the file is protected in some way
	Bits 1..3 File contents 0 = Internal BASIC		Bits 1..3 File contents 0 = Internal BASIC
	1 = Binary		1 = Binary
	2 = Screen image		2 = Screen image
	3 = ASCII		3 = ASCII
	4..7 are unallocated		4..7 are unallocated
	Bits 4..7 Version ASCII files should be version 1, all other files, version 0		Bits 4..7 Version ASCII files should be version 1, all other files, version 0

← Older revision		Revision as of 14:34, 28 April 2011
Line 7:		Line 7:
	1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF		1D 00 2C 50 68 61 6E 74 6F 6D 61 73 32 20 20 20 20 20 20 01 FF 02 58 00 00 AD FF

	^^^^^...... first block is 29 bytes (28 bytes+flag)		^^^^^...... first block is 29 bytes (28 bytes+flag)
	^^... flag byte (A reg, 2C for headers, 16 for data blocks)		^^... flag byte (A reg, 2C for headers, 16 for data blocks)
	file name .^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		file name .^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
	block number ..............................................^^		block number ..............................................^^
Line 21:		Line 21:

	^^^^^............... logical length, in consecutive blocks (88 bytes)		^^^^^............... logical length, in consecutive blocks (88 bytes)
	^^^^^......... execution address for machine code programs (0xAD10)		^^^^^......... execution address for machine code programs (0xAD10)
	^^^^^... second block is 89 bytes (88 bytes+flag)		^^^^^... second block is 89 bytes (88 bytes+flag)
	flag byte ........^^		flag byte ........^^
	second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^		second block data ...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Line 41:		Line 41:

	0 16 Filename Padded to 16 bytes with nulls		0 16 Filename Padded to 16 bytes with nulls
	16 1 Block number Filename (padded with blanks)		16 1 Block number Filename (padded with blanks)
	17 1 Last block A non-zero value means that this is the last block of a file		17 1 Last block A non-zero value means that this is the last block of a file
	18 1 File type A value recording the type of the file (see below)		18 1 File type A value recording the type of the file (see below)
	19 2 Data length The number of data bytes in the data record		19 2 Data length The number of data bytes in the data record
	21 2 Data location Where the data was written from originally		21 2 Data location Where the data was written from originally
	23 1 First block A non-zero value means that this is the first block of a file		23 1 First block A non-zero value means that this is the first block of a file
	24 2 Logical length This is the total length of the file in bytes		24 2 Logical length This is the total length of the file in bytes
	26 2 Entry address The execution address for machine code programs		26 2 Entry address The execution address for machine code programs

	The file type (byte 18) is split into a number of fields:		The file type (byte 18) is split into a number of fields:
Line 54:		Line 54:
	Bit 0 Protection If this bit is set the file is protected in some way		Bit 0 Protection If this bit is set the file is protected in some way
	Bits 1..3 File contents 0 = Internal BASIC		Bits 1..3 File contents 0 = Internal BASIC
	1 = Binary		1 = Binary
	2 = Screen image		2 = Screen image
	3 = ASCII		3 = ASCII
	4..7 are unallocated		4..7 are unallocated
	Bits 4..7 Version ASCII files should be version 1, all other files, version 0		Bits 4..7 Version ASCII files should be version 1, all other files, version 0