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0081fe548c
MaxCycleCount is accounted by countdown, eliminating the 1-instruction-overhead issue, and removing the need to compare against a growing TotalCycles. Makes main.c responsible for counting total cycles, instead of 6502.c, so the size of MaxCycleCount etc. is fully determined in one location. Makes error.c responsible for PrintCycles instead of paravirt.c, so that it can be treated globally instead of Return value of main() should be SIM65_ERROR because it is unreachable by design.
127 lines
4.4 KiB
C
127 lines
4.4 KiB
C
/*****************************************************************************/
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/* */
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/* error.c */
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/* */
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/* Error handling for the sim65 simulator */
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/* */
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/* */
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/* */
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/* (C) 2002-2003 Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "error.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* flag to print cycles at program termination */
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int PrintCycles = 0;
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/* cycles are counted by main.c */
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extern unsigned long long TotalCycles;
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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void Warning (const char* Format, ...)
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/* Print a warning message */
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{
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va_list ap;
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va_start (ap, Format);
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fprintf (stderr, "Warning: ");
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vfprintf (stderr, Format, ap);
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putc ('\n', stderr);
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va_end (ap);
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}
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void Error (const char* Format, ...)
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/* Print an error message and die */
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{
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va_list ap;
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va_start (ap, Format);
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fprintf (stderr, "Error: ");
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vfprintf (stderr, Format, ap);
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putc ('\n', stderr);
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va_end (ap);
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exit (SIM65_ERROR);
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}
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void ErrorCode (int Code, const char* Format, ...)
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/* Print an error message and die with the given exit code */
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{
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va_list ap;
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va_start (ap, Format);
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fprintf (stderr, "Error: ");
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vfprintf (stderr, Format, ap);
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putc ('\n', stderr);
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va_end (ap);
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exit (Code);
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}
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void Internal (const char* Format, ...)
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/* Print an internal error message and die */
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{
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va_list ap;
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va_start (ap, Format);
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fprintf (stderr, "Internal error: ");
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vfprintf (stderr, Format, ap);
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putc ('\n', stderr);
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va_end (ap);
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exit (SIM65_ERROR);
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}
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void SimExit (int Code)
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/* Exit the simulation with an exit code */
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{
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if (PrintCycles) {
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fprintf (stdout, "%llu cycles\n", TotalCycles);
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}
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exit (Code);
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}
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