Audiobank - Revision history

Jared johnson: /* Beginning of file */

2020-10-18T19:24:02Z

‎Beginning of file

2020-10-05T22:51:22Z

‎Audiobank Pointer Table

2020-10-05T22:51:00Z

‎Audiobank Pointer Table

2020-10-05T22:48:00Z

‎Audiobank Pointer Table

2020-10-05T22:45:27Z

‎Audiobank Pointer Table

2017-04-01T02:59:22Z

Added note about padding added with NTSC 1.2

2017-03-31T04:56:54Z

Added offsets for the other roms

2016-06-12T22:19:00Z

‎Audiobank Pointer Table

2016-02-26T00:43:27Z

2016-02-10T08:21:46Z

@@ Line 3: / Line 3: @@
 == Beginning of file ==
-Some sort of index. Contains two unknown 32-bit values (may be offsets to unknown structures), followed by a list of 32-bit offsets to Unknown_1 structures.
+The first 32-bit value is an offset of the list of '''drum-index pointers''', and the second 32-bit value is an offset of list of '''soundeffect indexes'''.
 == Audiobank Pointer Table ==

@@ Line 36: / Line 36: @@
 * '''x''' = Offset (ROM) or [[VRom]] Pointer (RAM) to the start of the instrument set within the Audiobank file.
 * '''y''' = Size of the instrument set in bytes.
-* '''z''' = Index for a list at 0xBCCD90(debug), or 0x0B8A1B0(1.0) which gives the base address to load samples from.
+* '''z''' = Index for a list at 0xBCCD90(debug), or 0xB8A1B0(1.0) which gives the base address to load samples from.
 * '''n''' = Number of instruments to be read. Can be less than total but not greater, and does not include percussion.
 * '''a''', '''b''', '''c''' = Flags of some sort, setting '''a''' to 0x40 enables percussion, 0 disables it and '''c''' is the number of sound effects.

@@ Line 36: / Line 36: @@
 * '''x''' = Offset (ROM) or [[VRom]] Pointer (RAM) to the start of the instrument set within the Audiobank file.
 * '''y''' = Size of the instrument set in bytes.
-* '''z''' = Index for a list at 0xBCCD90 which gives the base address to load samples from.
+* '''z''' = Index for a list at 0xBCCD90(debug), or 0x0B8A1B0(1.0) which gives the base address to load samples from.
 * '''n''' = Number of instruments to be read. Can be less than total but not greater, and does not include percussion.
 * '''a''', '''b''', '''c''' = Flags of some sort, setting '''a''' to 0x40 enables percussion, 0 disables it and '''c''' is the number of sound effects.

@@ Line 36: / Line 36: @@
 * '''x''' = Offset (ROM) or [[VRom]] Pointer (RAM) to the start of the instrument set within the Audiobank file.
 * '''y''' = Size of the instrument set in bytes.
-* '''z''' = To do with the way samples are loaded*
+* '''z''' = Index for a list at 0xBCCD90 which gives the base address to load samples from.
 * '''n''' = Number of instruments to be read. Can be less than total but not greater, and does not include percussion.
 * '''a''', '''b''', '''c''' = Flags of some sort, setting '''a''' to 0x40 enables percussion, 0 disables it and '''c''' is the number of sound effects.

@@ Line 38: / Line 38: @@
 * '''z''' = To do with the way samples are loaded*
 * '''n''' = Number of instruments to be read. Can be less than total but not greater, and does not include percussion.
-* '''a''', '''b''', '''c''' = Flags of some sort, setting '''a''' to 0x40 enables percussion, 0 disables it.
+* '''a''', '''b''', '''c''' = Flags of some sort, setting '''a''' to 0x40 enables percussion, 0 disables it and '''c''' is the number of sound effects.
 == Unknown_1 structure ==

← Older revision		Revision as of 02:59, 1 April 2017
Line 1:		Line 1:
−	'''Audiobank''' probably contains data related to playing sound effects, while [[Audiotable]] possibly contains the raw sound effects themselves. This page contains some notes on the structure of the Audiobank file created when running [[Zelda Resource Extractor]] on the Debug ROM.	+	'''Audiobank''' probably contains data related to playing sound effects, while [[Audiotable]] possibly contains the raw sound effects themselves. This page contains some notes on the structure of the Audiobank file created when running [[Zelda Resource Extractor]] on the Debug ROM. Beginning with NTSC 1.2, an additional 0xF370 bytes of padding were added to the end of the Audiobank file.

	== Beginning of file ==		== Beginning of file ==

@@ Line 8: / Line 8: @@
 {{address3|space=code|name=Audiobank Pointer Table
-|ver1=Debug|ref1=rom|start1=BCC270
+|ver1=Debug|ref1=rom|start1=BCC270|size1=420
-|ver2=NTSC 1.0|ref2=ram|start2=113740|size2=420}}
+|ver2=NTSC 1.0|ref2=ram|start2=113740|size2=420
 The Audiobank pointer table begins with an 0x10 byte header:

← Older revision		Revision as of 08:21, 10 February 2016
Line 4:		Line 4:

	Some sort of index. Contains two unknown 32-bit values (may be offsets to unknown structures), followed by a list of 32-bit offsets to Unknown_1 structures.		Some sort of index. Contains two unknown 32-bit values (may be offsets to unknown structures), followed by a list of 32-bit offsets to Unknown_1 structures.
		+
		+	== Audiobank Pointer Table ==
		+
		+	{{address3\|space=code\|name=Audiobank Pointer Table
		+	\|ver1=Debug\|ref1=rom\|start1=BCC270
		+	\|ver2=NTSC 1.0\|ref2=ram\|start2=113740\|size2=420}}
		+
		+	The Audiobank pointer table begins with an 0x10 byte header:
		+
		+	<syntaxhighlight lang="c#">
		+	/* 0x00 */ short NumberOfInstrumentSets = 0x26;
		+	/* 0x04 */ int Audiobank_VRomStartAddress; //ram only
		+	/* 0x08-0x0F is padded to 0 */
		+	</syntaxhighlight>
		+
		+	Following that is a record for each set:
		+
		+	<tt>xxxxxxxx yyyyyyyy zzzzzzzz nn aa bb cc</tt>
		+
		+	* '''x''' = Pointer to the start of the instrument set within the Audiobank file.
		+	* '''y''' = Size of the instrument set in bytes.
		+	* '''z''' = To do with the way samples are loaded*
		+	* '''n''' = Number of instruments to be read. Can be less than total but not greater, and does not include percussion.
		+	* '''a''', '''b''', '''c''' = Flags of some sort, setting '''a''' to 0x40 enables percussion, 0 disables it.

	== Unknown_1 structure ==		== Unknown_1 structure ==