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[/] [eco32/] [trunk/] [sim/] [output.c] - Rev 157
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/* * output.c -- output to file on host system */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include "common.h" #include "console.h" #include "error.h" #include "output.h" static FILE *outputFile; Word outputRead(Word addr) { if (outputFile == NULL) { /* output device not installed */ error("output device not installed"); } /* output device always returns 0 on read */ return 0; } void outputWrite(Word addr, Word data) { char c; if (outputFile == NULL) { /* output device not installed */ error("output device not installed"); } c = data; if (fwrite(&c, 1, 1, outputFile) != 1) { error("write error on output device"); } } void outputReset(void) { if (outputFile == NULL) { /* output device not installed */ return; } cPrintf("Resetting Output Device...\n"); fseek(outputFile, 0, SEEK_SET); } void outputInit(char *outputFileName) { if (outputFileName == NULL) { /* do not install output device */ outputFile = NULL; } else { /* try to install output device */ outputFile = fopen(outputFileName, "wb"); if (outputFile == NULL) { error("cannot open output device file '%s'", outputFileName); } setvbuf(outputFile, NULL, _IONBF, 0); } outputReset(); } void outputExit(void) { if (outputFile == NULL) { /* output device not installed */ return; } fclose(outputFile); }
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