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Diffstat (limited to 'src/fake86/parsecl.c')
| -rwxr-xr-x | src/fake86/parsecl.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/src/fake86/parsecl.c b/src/fake86/parsecl.c new file mode 100755 index 0000000..8751920 --- /dev/null +++ b/src/fake86/parsecl.c @@ -0,0 +1,228 @@ +/* + Fake86: A portable, open-source 8086 PC emulator. + Copyright (C)2010-2013 Mike Chambers + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +*/ + +/* parsecl.c: Fake86 command line parsing for runtime options. */ + +#include "config.h" +#include <SDL/SDL.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include "disk.h" + +extern struct struct_drive disk[256]; +#ifndef _WIN32 +#define strcmpi strcasecmp +#else +#define strcmpi _strcmpi +#endif + +extern uint8_t bootdrive, ethif, verbose, cgaonly, *biosfile, usessource, noscale, nosmooth, renderbenchmark, useconsole, doaudio; +extern uint32_t framedelay, textbase, usefullscreen, speed; +extern int32_t usesamplerate, latency; +uint16_t constantw = 0, constanth = 0; +uint8_t slowsystem = 0; + +extern uint8_t insertdisk (uint8_t drivenum, char *filename); +extern uint32_t loadrom (uint32_t addr32, uint8_t *filename, uint8_t failure_fatal); + +uint32_t hextouint(char *src) { + uint32_t tempuint = 0, cc; + uint16_t i; + + for (i=0; i<strlen(src); i++) { + cc = src[i]; + if (cc == 0) break; + if ((cc >= 'a') && (cc <= 'F')) cc = cc - 'a' + 10; + else if ((cc >= 'A') && (cc <= 'F')) cc = cc - 'A' + 10; + else if ((cc >= '0') && (cc <= '9')) cc = cc - '0'; + else return(0); + tempuint <<= 4; + tempuint |= cc; + } + return(tempuint); +} + +void showhelp () { + printf ("Fake86 requires some command line parameters to run.\nValid options:\n"); + + printf (" -fd0 filename Specify a floppy disk image file to use as floppy 0.\n"); + printf (" -fd1 filename Specify a floppy disk image file to use as floppy 1.\n"); + printf (" -hd0 filename Specify a hard disk image file to use as hard drive 0.\n"); + printf (" -hd1 filename Specify a hard disk image file to use as hard drive 1.\n"); + printf (" -boot # Specify which BIOS drive ID should be the boot device in #.\n"); + printf (" Examples: -boot 0 will boot from floppy 0.\n"); + printf (" -boot 1 will boot from floppy 1.\n"); + printf (" -boot 128 will boot from hard drive 0.\n"); + printf (" -boot rom will boot to ROM BASIC if available.\n"); + printf (" Default boot device is hard drive 0, if it exists.\n"); + printf (" Otherwise, the default is floppy 0.\n"); + printf (" -bios filename Specify alternate BIOS ROM image to use.\n"); +#ifdef NETWORKING_ENABLED +#ifdef _WIN32 + printf (" -net # Enable ethernet emulation via winpcap, where # is the\n"); +#else + printf (" -net # Enable ethernet emulation via libpcap, where # is the\n"); +#endif + printf (" numeric ID of your host's network interface to bridge.\n"); + printf (" To get a list of possible interfaces, use -net list\n"); +#endif + printf (" -nosound Disable audio emulation and output.\n"); + printf (" -fullscreen Start Fake86 in fullscreen mode.\n"); + printf (" -verbose Verbose mode. Operation details will be written to stdout.\n"); + printf (" -delay Specify how many milliseconds the render thread should idle\n"); + printf (" between drawing each frame. Default is 20 ms. (~50 FPS)\n"); + printf (" -slowsys If your machine is very slow and you have audio dropouts,\n"); + printf (" use this option to sacrifice audio quality to compensate.\n"); + printf (" If you still have dropouts, then also decrease sample rate\n"); + printf (" and/or increase latency.\n"); + printf (" -resw # -resh # Force a constant window size in pixels.\n"); + printf (" -smooth Apply smoothing to screen rendering.\n"); + printf (" -noscale Disable 2x scaling of low resolution video modes.\n"); + printf (" -ssource Enable Disney Sound Source emulation on LPT1.\n"); + printf (" -latency # Change audio buffering and output latency. (default: 100 ms)\n"); + printf (" -samprate # Change audio emulation sample rate. (default: 48000 Hz)\n"); + printf (" -console Enable console on stdio during emulation.\n"); + printf (" -oprom addr rom Inject a custom option ROM binary at an address in hex.\n"); + printf (" Example: -oprom F4000 monitor.bin\n"); + printf (" This loads the data from monitor.bin at 0xF4000.\n"); + + printf ("\nThis program is free software; you can redistribute it and/or\n"); + printf ("modify it under the terms of the GNU General Public License\n"); + printf ("as published by the Free Software Foundation; either version 2\n"); + printf ("of the License, or (at your option) any later version.\n\n"); + + printf ("This program is distributed in the hope that it will be useful,\n"); + printf ("but WITHOUT ANY WARRANTY; without even the implied warranty of\n"); + printf ("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"); + printf ("GNU General Public License for more details.\n"); + + exit (0); +} + +void parsecl (int argc, char *argv[]) { + uint32_t tempuint; + int i, abort = 0; + + if (argc<2) { + printf ("Invoke Fake86 with the parameter -h for help and usage information.\n"); +#ifndef _WIN32 + exit (0); +#endif + } + + bootdrive = 254; + textbase = 0xB8000; + ethif = 254; + usefullscreen = 0; + biosfile = PATH_DATAFILES "pcxtbios.bin"; + for (i=1; i<argc; i++) { + if (strcmpi (argv[i], "-h") ==0) showhelp (); + else if (strcmpi (argv[i], "-?") ==0) showhelp (); + else if (strcmpi (argv[i], "-help") ==0) showhelp (); + else if (strcmpi (argv[i], "-fd0") ==0) { + i++; + if (insertdisk (0, argv[i]) ) { + printf ("ERROR: Unable to open image file %s\n", argv[i]); + } + } + else if (strcmpi (argv[i], "-fd1") ==0) { + i++; + if (insertdisk (1, argv[i]) ) { + printf ("ERROR: Unable to open image file %s\n", argv[i]); + } + } + else if (strcmpi (argv[i], "-hd0") ==0) { + i++; + if (insertdisk (0x80, argv[i]) ) { + printf ("ERROR: Unable to open image file %s\n", argv[i]); + } + } + else if (strcmpi (argv[i], "-hd1") ==0) { + i++; + if (insertdisk (0x81, argv[i]) ) { + printf ("ERROR: Unable to open image file %s\n", argv[i]); + } + } + else if (strcmpi (argv[i], "-net") ==0) { + i++; + if (strcmpi (argv[i], "list") ==0) ethif = 255; + else ethif = atoi (argv[i]); + } + else if (strcmpi (argv[i], "-boot") ==0) { + i++; + if (strcmpi (argv[i], "rom") ==0) bootdrive = 255; + else bootdrive = atoi (argv[i]); + } + else if (strcmpi (argv[i], "-ssource") ==0) { + i++; + usessource = 1; + } + else if (strcmpi (argv[i], "-latency") ==0) { + i++; + latency = atol (argv[i]); + } + else if (strcmpi (argv[i], "-samprate") ==0) { + i++; + usesamplerate = atol (argv[i]); + } + else if (strcmpi (argv[i], "-bios") ==0) { + i++; + biosfile = argv[i]; + } + else if (strcmpi (argv[i], "-resw") ==0) { + i++; + constantw = (uint16_t) atoi (argv[i]); + } + else if (strcmpi (argv[i], "-resh") ==0) { + i++; + constanth = (uint16_t) atoi (argv[i]); + } + else if (strcmpi (argv[i], "-speed") ==0) { + i++; + speed= (uint32_t) atol (argv[i]); + } + else if (strcmpi (argv[i], "-noscale") ==0) noscale = 1; + else if (strcmpi (argv[i], "-verbose") ==0) verbose = 1; + else if (strcmpi (argv[i], "-smooth") ==0) nosmooth = 0; + else if (strcmpi (argv[i], "-fps") ==0) renderbenchmark = 1; + else if (strcmpi (argv[i], "-nosound") ==0) doaudio = 0; + else if (strcmpi (argv[i], "-fullscreen") ==0) usefullscreen = SDL_FULLSCREEN; + else if (strcmpi (argv[i], "-delay") ==0) framedelay = atol (argv[++i]); + else if (strcmpi (argv[i], "-console") ==0) useconsole = 1; + else if (strcmpi (argv[i], "-slowsys") ==0) slowsystem = 1; + else if (strcmpi (argv[i], "-oprom") ==0) { + i++; + tempuint = hextouint (argv[i++]); + loadrom (tempuint, argv[i], 0); + } + else { + printf ("Unrecognized parameter: %s\n", argv[i]); + exit (1); + } + } + + if (bootdrive==254) { + if (disk[0x80].inserted) bootdrive = 0x80; + else if (disk[0x00].inserted) bootdrive = 0; + else bootdrive = 0xFF; //ROM BASIC fallback + } +} + + |