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https://opencores.org/ocsvn/eco32/eco32/trunk
Subversion Repositories eco32
[/] [eco32/] [trunk/] [sim/] [main.c] - Rev 20
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/* * main.c -- ECO32 simulator */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include "common.h" #include "console.h" #include "error.h" #include "command.h" #include "instr.h" #include "cpu.h" #include "mmu.h" #include "memory.h" #include "timer.h" #include "dspkbd.h" #include "term.h" #include "disk.h" #include "output.h" #include "graph.h" static void usage(char *myself) { fprintf(stderr, "Usage: %s\n", myself); fprintf(stderr, " [-i] set interactive mode\n"); fprintf(stderr, " [-m <n>] install n MB of RAM (1-%d)\n", RAM_SIZE_MAX / M); fprintf(stderr, " [-l <prog>] set program file name\n"); fprintf(stderr, " [-r <rom>] set ROM image file name\n"); fprintf(stderr, " [-d <disk>] set disk image file name\n"); fprintf(stderr, " [-t <n>] connect n terminals (0-%d)\n", MAX_NTERMS); fprintf(stderr, " [-g] install graphics controller\n"); fprintf(stderr, " [-c] install console\n"); fprintf(stderr, " [-o <file>] bind output device to file\n"); fprintf(stderr, "The options -l and -r are mutually exclusive.\n"); fprintf(stderr, "If both are omitted, interactive mode is assumed.\n"); exit(1); } int main(int argc, char *argv[]) { int i; char *argp; char *endp; Bool interactive; int memSize; char *progName; char *romName; char *diskName; int numTerms; Bool graphics; Bool console; char *outputName; Word initialPC; char command[20]; char *line; interactive = false; memSize = RAM_SIZE_DFL / M; progName = NULL; romName = NULL; diskName = NULL; numTerms = 0; graphics = false; console = false; outputName = NULL; for (i = 1; i < argc; i++) { argp = argv[i]; if (*argp != '-') { usage(argv[0]); } argp++; switch (*argp) { case 'i': interactive = true; break; case 'm': if (i == argc - 1) { usage(argv[0]); } memSize = strtol(argv[++i], &endp, 10); if (*endp != '\0' || memSize <= 0 || memSize > RAM_SIZE_MAX / M) { usage(argv[0]); } break; case 'l': if (i == argc - 1 || progName != NULL || romName != NULL) { usage(argv[0]); } progName = argv[++i]; break; case 'r': if (i == argc - 1 || romName != NULL || progName != NULL) { usage(argv[0]); } romName = argv[++i]; break; case 'd': if (i == argc - 1 || diskName != NULL) { usage(argv[0]); } diskName = argv[++i]; break; case 't': if (i == argc - 1) { usage(argv[0]); } numTerms = strtol(argv[++i], &endp, 10); if (*endp != '\0' || numTerms < 0 || numTerms > MAX_NTERMS) { usage(argv[0]); } break; case 'g': graphics = true; break; case 'c': console = true; break; case 'o': if (i == argc - 1 || outputName != NULL) { usage(argv[0]); } outputName = argv[++i]; break; default: usage(argv[0]); } } cInit(); cPrintf("ECO32 Simulator started\n"); if (progName == NULL && romName == NULL && !interactive) { cPrintf("Neither a program to load nor a system ROM was\n"); cPrintf("specified, so interactive mode is assumed.\n"); interactive = true; } initInstrTable(); timerInit(); if (console) { displayInit(); keyboardInit(); } termInit(numTerms); diskInit(diskName); outputInit(outputName); if (graphics) { graphInit(); } memoryInit(memSize * M, progName, romName); mmuInit(); if (progName != NULL) { initialPC = 0xC0000000; } else { initialPC = 0xC0000000 | ROM_BASE; } cpuInit(initialPC); if (!interactive) { cPrintf("Start executing...\n"); strcpy(command, "c\n"); execCommand(command); } else { while (1) { line = cGetLine("ECO32 > "); if (*line == '\0') { break; } cAddHist(line); if (execCommand(line)) { break; } } } cpuExit(); mmuExit(); memoryExit(); timerExit(); displayExit(); keyboardExit(); termExit(); diskExit(); outputExit(); graphExit(); cPrintf("ECO32 Simulator finished\n"); cExit(); return 0; }
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