As of 080524 (yes, 2008)

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SDK/EXES/INSTALL KATANA SDK/INPUT/R10.1_000518/Sample/Audio64/A64Thunk/a64chain.c

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+//-----------------------------------------------------------------------------
+//
+//	FILE:		a64chain.c
+//
+//	DESC:		Audio64 hooks for porting G2 DMA function support.
+//
+//				The Audio64 library contains Audio64 hook functions that map
+//				(thunk) to appropriate functions in the Shinobi library. If
+//				needed, these may be overridden by explicitly including this
+//				module in your object file list and substituting alternate
+//				support.
+//
+//				NOTE:	The public/exported function names MUST be the only
+//						globally visible symbols.
+//
+//	HISTORY:	2000.01.xx	Reworked samples/boilerplates for R10 release.
+//
+//-----------------------------------------------------------------------------
+//	COPYRIGHT (C) SEGA OF AMERICA DREAMCAST, INC. 1998, 1999, 2000
+//	All rights reserved.
+//
+//	Information and source code samples contained herein are provided "as-is",
+//	without representations or warranties, and are subject to change without
+//	notice.
+//
+//	SEGA OF AMERICA DREAMCAST, INC. cannot support modifications or derivative
+//	works created from the sample source code provided. Developers may use,
+//	reproduce, and modify portions or entire sections of the sample source
+//	code for the purposes of creating Dreamcast applications.
+//
+//	Sample source code contained herein may not be appropriate for use under
+//	all circumstances. Please consult Developer documentation provided along
+//	with your Dreamcast unit for additional information and suggestions.
+//-----------------------------------------------------------------------------
+
+#include <ac.h>
+#include <a64thunk.h>
+#include <am.h>
+
+#if defined(AUDIO64_THUNKS_SHINOBI)
+#include <shinobi.h>
+#include <sg_chain.h>
+#endif
+
+// STARTDOC -------------------------------------------------------------------
+// FUNCTION NAME a64ChainAddHandler
+// TERSE DESCRIPTION Chains (installs hook for) event interrupt handler.
+//
+// FORMAT
+//
+// #include <a64chain.h>
+//
+// KTU32 a64ChainAddHandler(KTS16 event, AC_ARM_INTERRUPT_HANDLER isr,
+//							KTU32 priority, void *arg)
+//
+// PARAMETERS
+//
+// event
+//
+// isr
+//
+// priority
+//
+// arg
+//
+// RETURN VALUE
+//
+// non-zero		If successful, the handle for the installed handler.
+//
+// zero			An error occurred.
+//
+// FUNCTION
+//
+// Chains (installs hook for) event interrupt handler.
+// ENDDOC ---------------------------------------------------------------------
+
+KTU32 a64ChainAddHandler(KTS16 event, AC_ARM_INTERRUPT_HANDLER isr,
+	KTU32 priority, void *arg)
+{
+#if defined(AUDIO64_THUNKS_SHINOBI)
+
+	return (syChainAddHandler(event, isr, priority, arg));
+
+#else
+
+	//	Provide an alternate thunking here.
+
+#endif
+}
+
+// STARTDOC -------------------------------------------------------------------
+// FUNCTION NAME a64ChainDeleteHandler
+// TERSE DESCRIPTION Deletes (removes hook for) event interrupt handler.
+//
+// FORMAT
+//
+// #include <a64chain.h>
+//
+// void a64ChainDeleteHandler(KTU32 handle)
+//
+// PARAMETERS
+//
+// handle
+//
+// RETURN VALUE
+//
+// void
+//
+// FUNCTION
+//
+// Deletes (removes hook for) event interrupt handler.
+// ENDDOC ---------------------------------------------------------------------
+
+void a64ChainDeleteHandler(KTU32 handle)
+{
+#if defined(AUDIO64_THUNKS_SHINOBI)
+
+	syChainDeleteHandler(handle);
+
+#else
+
+	//	Provide an alternate thunking here.
+
+#endif
+}
+
+//-----------------------------------------------------------------------------
+//	ahchain.c (end)
+//-----------------------------------------------------------------------------

SDK/EXES/INSTALL KATANA SDK/INPUT/R10.1_000518/Sample/Audio64/A64Thunk/a64dma.c

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+//-----------------------------------------------------------------------------
+//
+//	FILE:		a64dma.c
+//
+//	DESC:		Audio64 hooks for porting G2 DMA function support.
+//
+//				The Audio64 library contains Audio64 hook functions that map
+//				(thunk) to appropriate functions in the Shinobi library. If
+//				needed, these may be overridden by explicitly including this
+//				module in your object file list and substituting alternate
+//				support.
+//
+//				NOTE:	The public/exported function names MUST be the only
+//						globally visible symbols.
+//
+//	HISTORY:	2000.01.xx	Reworked samples/boilerplates for R10 release.
+//
+//-----------------------------------------------------------------------------
+//	COPYRIGHT (C) SEGA OF AMERICA DREAMCAST, INC. 1998, 1999, 2000
+//	All rights reserved.
+//
+//	Information and source code samples contained herein are provided "as-is",
+//	without representations or warranties, and are subject to change without
+//	notice.
+//
+//	SEGA OF AMERICA DREAMCAST, INC. cannot support modifications or derivative
+//	works created from the sample source code provided. Developers may use,
+//	reproduce, and modify portions or entire sections of the sample source
+//	code for the purposes of creating Dreamcast applications.
+//
+//	Sample source code contained herein may not be appropriate for use under
+//	all circumstances. Please consult Developer documentation provided along
+//	with your Dreamcast unit for additional information and suggestions.
+//-----------------------------------------------------------------------------
+
+#include <ac.h>
+#include <a64thunk.h>
+#include <am.h>
+
+#if defined(AUDIO64_THUNKS_SHINOBI)
+#include <sg_syg2.h>
+#endif
+
+// STARTDOC -------------------------------------------------------------------
+// FUNCTION NAME a64DmaResumeAll
+// TERSE DESCRIPTION Resumes all G2 DMA channels.
+//
+// FORMAT
+//
+// #include <a64dma.h>
+//
+// KTBOOL a64DmaResumeAll(void)
+//
+// PARAMETERS
+//
+// void
+//
+// RETURN VALUE
+//
+// KTTRUE		If successful.
+//
+// KTFALSE		An error occurred.
+//
+// FUNCTION
+//
+// Resumes all G2 DMA channels.
+// ENDDOC ---------------------------------------------------------------------
+
+KTBOOL a64DmaResumeAll(void)
+{
+#if defined(AUDIO64_THUNKS_SHINOBI)
+
+	return (syG2DmaResumeAll() == SYE_G2_ERR_NOTHING);
+
+#else
+
+	//	Provide an alternate thunking here.
+
+#endif
+}
+
+// STARTDOC -------------------------------------------------------------------
+// FUNCTION NAME a64DmaSuspendAll
+// TERSE DESCRIPTION Suspends all G2 DMA channels.
+//
+// FORMAT
+//
+// #include <a64dma.h>
+//
+// KTBOOL a64DmaSuspendAll(void)
+//
+// PARAMETERS
+//
+// void
+//
+// RETURN VALUE
+//
+// KTTRUE		If successful.
+//
+// KTFALSE		An error occurred.
+//
+// FUNCTION
+//
+// Suspends all G2 DMA channels; required when directly accessing G2 bus data.
+// ENDDOC ---------------------------------------------------------------------
+
+KTBOOL a64DmaSuspendAll(void)
+{
+#if defined(AUDIO64_THUNKS_SHINOBI)
+
+	return (syG2DmaSuspendAll() == SYE_G2_ERR_NOTHING);
+
+#else
+
+	//	Provide an alternate thunking here.
+
+#endif
+}
+
+//-----------------------------------------------------------------------------
+//	ahdma.c (end)
+//-----------------------------------------------------------------------------