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[/] [zipcpu/] [trunk/] [sw/] [zasm/] [zdump.cpp] - Blame information for rev 70

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////////////////////////////////////////////////////////////////////////////////
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//
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// Filename:    zdump.cpp
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//
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// Project:     Zip CPU -- a small, lightweight, RISC CPU core
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//
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// Purpose:     Disassemble machine code files onto the stdout file.
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//
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// Creator:     Dan Gisselquist, Ph.D.
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//              Gisselquist Technology, LLC
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//
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////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2015, Gisselquist Technology, LLC
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//
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of  the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or (at
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// your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program.  (It's in the $(ROOT)/doc directory, run make with no
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// target there if the PDF file isn't present.)  If not, see
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// <http://www.gnu.org/licenses/> for a copy.
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//
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// License:     GPL, v3, as defined and found on www.gnu.org,
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//              http://www.gnu.org/licenses/gpl.html
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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#include <stdio.h>
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#include <unistd.h>
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#include <ctype.h>
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#include "zopcodes.h"
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void    dump_file(const char *fn) {
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        const   int     NZIP = 4096;
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        char    ln[NZIP], lb[NZIP];
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        ZIPI    ibuf[NZIP];
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        FILE    *fp;
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        int     nr;
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        int     addr=0x08000;
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        fp = fopen(fn, "r");
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        if (!fp)
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                return;
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        printf("%s:\n", fn);
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        while((nr=fread(ibuf, sizeof(ZIPI), NZIP, fp))>0) {
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                for(int i=0; i<nr; i++) {
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                        zipi_to_string(ibuf[i], ln, lb);
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                        // printf("%s\n", ln);
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                        printf("%08x: (0x%08x %c%c%c%c) %s\n", addr++,
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                                ibuf[i],
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                                isgraph((ibuf[i]>>24)&0x0ff)?((ibuf[i]>>24)&0x0ff) : '.',
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                                isgraph((ibuf[i]>>16)&0x0ff)?((ibuf[i]>>16)&0x0ff) : '.',
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                                isgraph((ibuf[i]>> 8)&0x0ff)?((ibuf[i]>> 8)&0x0ff) : '.',
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                                isgraph((ibuf[i]    )&0x0ff)?((ibuf[i]    )&0x0ff) : '.',
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                                ln);
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                        if (lb[0])
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                                printf("%28s%s\n", "", lb);
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                }
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        } fclose(fp);
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}
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int main(int argc, char **argv) {
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        for(int argn=1; argn<argc; argn++) {
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                if(access(argv[argn], R_OK)==0)
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                        dump_file(argv[argn]);
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        }
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        return 0;
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}
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