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-rw-r--r--source/stream.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/source/stream.c b/source/stream.c
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index 0000000..f471d93
--- /dev/null
+++ b/source/stream.c
@@ -0,0 +1,86 @@
+/*
+ ds81 - Nintendo DS ZX81 emulator
+
+ Copyright (C) 2006 Ian Cowburn <ianc@noddybox.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
+
+ -------------------------------------------------------------------------
+
+ Provides the routines for streaming.
+
+*/
+#include "stream.h"
+
+/* The long functions are a tad convuluted, but I'm in a dash.
+*/
+
+void PUT_Byte(FILE *fp, unsigned char c)
+{
+ fputc(c, fp);
+}
+
+void PUT_Long(FILE *fp, long l)
+{
+ union {long l; unsigned char c[4];} u;
+
+ u.l = l;
+
+ fputc(u.c[0], fp);
+ fputc(u.c[1], fp);
+ fputc(u.c[2], fp);
+ fputc(u.c[3], fp);
+}
+
+void PUT_ULong(FILE *fp, unsigned long l)
+{
+ union {unsigned long l; unsigned char c[4];} u;
+
+ u.l = l;
+
+ fputc(u.c[0], fp);
+ fputc(u.c[1], fp);
+ fputc(u.c[2], fp);
+ fputc(u.c[3], fp);
+}
+
+unsigned char GET_Byte(FILE *fp)
+{
+ return (unsigned char)fgetc(fp);
+}
+
+long GET_Long(FILE *fp)
+{
+ union {long l; unsigned char c[4];} u;
+
+ u.c[0] = (unsigned char)fgetc(fp);
+ u.c[1] = (unsigned char)fgetc(fp);
+ u.c[2] = (unsigned char)fgetc(fp);
+ u.c[3] = (unsigned char)fgetc(fp);
+
+ return u.l;
+}
+
+unsigned long GET_ULong(FILE *fp)
+{
+ union {unsigned long l; unsigned char c[4];} u;
+
+ u.c[0] = (unsigned char)fgetc(fp);
+ u.c[1] = (unsigned char)fgetc(fp);
+ u.c[2] = (unsigned char)fgetc(fp);
+ u.c[3] = (unsigned char)fgetc(fp);
+
+ return u.l;
+}