--- /dev/null
+/*****************************************************************************/
+/* */
+/* error.c */
+/* */
+/* Error handling for the sim65 simulator */
+/* */
+/* */
+/* */
+/* (C) 2002 Ullrich von Bassewitz */
+/* Wacholderweg 14 */
+/* D-70597 Stuttgart */
+/* EMail: uz@musoftware.de */
+/* */
+/* */
+/* This software is provided 'as-is', without any expressed or implied */
+/* warranty. In no event will the authors be held liable for any damages */
+/* arising from the use of this software. */
+/* */
+/* Permission is granted to anyone to use this software for any purpose, */
+/* including commercial applications, and to alter it and redistribute it */
+/* freely, subject to the following restrictions: */
+/* */
+/* 1. The origin of this software must not be misrepresented; you must not */
+/* claim that you wrote the original software. If you use this software */
+/* in a product, an acknowledgment in the product documentation would be */
+/* appreciated but is not required. */
+/* 2. Altered source versions must be plainly marked as such, and must not */
+/* be misrepresented as being the original software. */
+/* 3. This notice may not be removed or altered from any source */
+/* distribution. */
+/* */
+/*****************************************************************************/
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#include "error.h"
+
+
+
+/*****************************************************************************/
+/* Code */
+/*****************************************************************************/
+
+
+
+void Warning (const char* Format, ...)
+/* Print a warning message */
+{
+ va_list ap;
+ va_start (ap, Format);
+ fprintf (stderr, "Warning: ");
+ vfprintf (stderr, Format, ap);
+ putc ('\n', stderr);
+ va_end (ap);
+}
+
+
+
+void Error (const char* Format, ...)
+/* Print an error message and die */
+{
+ va_list ap;
+ va_start (ap, Format);
+ fprintf (stderr, "Error: ");
+ vfprintf (stderr, Format, ap);
+ putc ('\n', stderr);
+ va_end (ap);
+ exit (EXIT_FAILURE);
+}
+
+
+
+void Internal (const char* Format, ...)
+/* Print an internal error message and die */
+{
+ va_list ap;
+ va_start (ap, Format);
+ fprintf (stderr, "Internal error: ");
+ vfprintf (stderr, Format, ap);
+ putc ('\n', stderr);
+ va_end (ap);
+ exit (EXIT_FAILURE);
+}
+
+
+
--- /dev/null
+/*****************************************************************************/
+/* */
+/* error.h */
+/* */
+/* Error handling for the sim65 simulator */
+/* */
+/* */
+/* */
+/* (C) 2002 Ullrich von Bassewitz */
+/* Wacholderweg 14 */
+/* D-70597 Stuttgart */
+/* EMail: uz@musoftware.de */
+/* */
+/* */
+/* This software is provided 'as-is', without any expressed or implied */
+/* warranty. In no event will the authors be held liable for any damages */
+/* arising from the use of this software. */
+/* */
+/* Permission is granted to anyone to use this software for any purpose, */
+/* including commercial applications, and to alter it and redistribute it */
+/* freely, subject to the following restrictions: */
+/* */
+/* 1. The origin of this software must not be misrepresented; you must not */
+/* claim that you wrote the original software. If you use this software */
+/* in a product, an acknowledgment in the product documentation would be */
+/* appreciated but is not required. */
+/* 2. Altered source versions must be plainly marked as such, and must not */
+/* be misrepresented as being the original software. */
+/* 3. This notice may not be removed or altered from any source */
+/* distribution. */
+/* */
+/*****************************************************************************/
+
+
+
+#ifndef ERROR_H
+#define ERROR_H
+
+
+
+/* common */
+#include "attrib.h"
+
+
+
+/*****************************************************************************/
+/* Code */
+/*****************************************************************************/
+
+
+
+void Warning (const char* Format, ...) attribute((format(printf,1,2)));
+/* Print a warning message */
+
+void Error (const char* Format, ...) attribute((format(printf,1,2)));
+/* Print an error message and die */
+
+void Internal (const char* Format, ...) attribute((format(printf,1,2)));
+/* Print an internal error message and die */
+
+
+
+/* End of error.h */
+
+#endif
+
+
+
#include "version.h"
/* sim65 */
+#include "cpucore.h"
#include "cputype.h"
#include "global.h"
#include "memory.h"
/* Initialize modules */
MemInit ();
-
+ CPUInit ();
/* Return an apropriate exit code */
return EXIT_SUCCESS;
OBJS = cpucore.o \
cputype.o \
+ error.o \
global.o \
main.o \
memory.o
/*****************************************************************************/
/* */
-/* memory.h */
+/* memory.h */
/* */
/* Memory subsystem for the 6502 simulator */
/* */
/* common */
#include "coll.h"
-/* sim65 */
+/* sim65 */
+#include "error.h"
#include "memory.h"
/* Write one byte to the memory cell */
{
if (MemAttr[Addr] & RA_WPROT) {
- /* ### */
+ Warning ("Writing to write protected memory at $%04X", Addr);
}
Mem[Addr] = Val;
MemAttr[Addr] |= RA_INITIALIZED;
{
if ((MemAttr[Addr] & RA_INITIALIZED) == 0) {
/* We're reading a memory cell that was never written */
- /* ### */
+ Warning ("Reading from uninitialized memory at $%04X", Addr);
}
return Mem[Addr];
}
/*****************************************************************************/
-/* Code */
+/* Code */
/*****************************************************************************/