Framework for audioHEADmaster

3 files changed, 97 insertions, 0 deletions

diff --git a/src/Makefile b/src/Makefile
index d9be987..808c6a9 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -43,6 +43,7 @@ SOURCE	=	main.c		\
 		tape.c		\
 		symtochar.c	\
 		font.c	        \
+		audio.c	        \
 		expr.c		\
 		z80.c		\
 		z80_decode.c	\
@@ -61,6 +62,7 @@ OBJECTS	=	main.o		\
 		tape.o		\
 		symtochar.o	\
 		font.o	        \
+		audio.o	        \
 		expr.o		\
 		z80.o		\
 		z80_decode.o	\
@@ -97,3 +99,4 @@ symtochar.o: symtochar.h
 font.o: font.h
 z80.o: z80.h z80_private.h
 z80_decode.o: z80.h z80_private.h
+audio.o: audio.c audio.h
diff --git a/src/audio.c b/src/audio.c
new file mode 100644
index 0000000..b5ce1df
--- /dev/null
+++ b/src/audio.c
@@ -0,0 +1,44 @@
+/*
+
+    espec - Sinclair Spectrum emulator
+
+    Copyright (C) 2026  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    -------------------------------------------------------------------------
+
+    Audio handling
+
+*/
+
+#include <SDL.h>
+
+#include "audio.h"
+
+/* ---------------------------------------- INTERFACES
+*/
+
+int AUDIOInit(void)
+{
+    return 0;
+}
+
+void AUDIOQueue(char *buffer, size_t len)
+{
+}
+
+
+/* END OF FILE */
diff --git a/src/audio.h b/src/audio.h
new file mode 100644
index 0000000..fb972ea
--- /dev/null
+++ b/src/audio.h
@@ -0,0 +1,50 @@
+/*
+
+    espec - Sinclair Spectrum emulator
+
+    Copyright (C) 2026  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    -------------------------------------------------------------------------
+
+    Audio handling
+
+*/
+
+#ifndef ESPEC_TAPE_H
+#define ESPEC_TAPE_H
+
+#include <stdlib.h>
+
+/* ---------------------------------------- INTERFACES
+*/
+
+/* Initialise the audio interface.  Returns FALSE on failure to open
+   audio.  All other interfaces will silently do nothing if the device
+   can't be opened.
+*/
+int		AUDIOInit(void);
+
+/* Add the passed buffer to the sound queue.  It is a signed 8-bit mono
+   sample which will be converted as appropriate by the audio interface.
+*/
+void		AUDIOQueue(char *buffer, size_t len);
+
+
+#endif
+
+
+/* END OF FILE */