uncomp.c, source codes,dokumenty [ Pobierz całość w formacie PDF ]
/* uncomp.c - uncompresses ROM files from WAC .exe files *//* Version 1.0 1-JAN-96 *//* Copyright © 1996 Sean Riddle *//* Freely distributable on any medium given all copyrights are retained *//* by the author and no charge greater than $7.00 is made for obtaining *//* this software *//* Please send all bug reports and update ideas to: *//* seanriddle <at> airosurf <dot> com *//* latest version at: *//* usage: uncomp <file> [VERBOSE] *//* VERBOSE prints additional info *//* NOTE: doesn't yet work with DEFENDER.EXE *//* compiled on Amiga SAS/C 6.56 */#include <stdio.h>#include <stdlib.h>#include <string.h>#include <sys/stat.h>#define FALSE 0#define TRUE 1void main(int argc,char *argv[]) {FILE *fp;struct stat st;unsigned char *buf,*out;int i,j;int copy,rep;unsigned char data,x;char ex=FALSE;char verbose=FALSE;int bytes=0;char sin=FALSE;char outfile[256];if((argc>1)&&(argc<4)) {for(i=1;i<argc;i++) {if(!stricmp(argv[i],"verbose"))verbose=TRUE;}if(!stat(argv[1],&st)) {if(buf=(UBYTE *)malloc(st.st_size+65536)) {out=buf+st.st_size;for(i=0;i<65536;i++)out[i]=0xff;if(fp=fopen(argv[1],"rb")) {if(fread(buf,st.st_size,1,fp)) {if(st.st_size>0x16ad5)if(buf[0x16ad5]==0xb2)sin=TRUE;if(verbose)printf("!!!buf=%x, out=%x\n",buf,out);if(verbose)if(sin)printf("Sinistar!\n");i=st.st_size-1;j=65535;while(i&&(!((buf[i]==0x40)&&(buf[i+1]==0x00))))i--;while(i&&(!(((buf[i]==0xb2)||(buf[i]==0xb0))&&(buf[i+1]==0xff))))i--;x=buf[i--];if(verbose)printf("!!!found %X, i=%d\n",x,i);while(!ex&&(i>=0)) {if(j<0) {printf("Writing 65536 bytes: ");ex=TRUE;} else {if(x==0xb2) {copy=(buf[i--]<<8)+buf[i--];bytes+=copy;if(verbose)printf("!!!copy=%d\n",copy);while(!ex&&(copy--))out[j--]=buf[i--];if((x=buf[i--])!=0xb0) {if(verbose)printf("!!!no b0 at %d (%d)\n",i,x);ex=TRUE;}if(sin&&((j<=0xDFFF)&&(j>=0xD000))) {if(verbose)printf("!!!skipping Sinistar SRAM area\n");j=0xcfff;}if((j<=0xcc00)&&(j>=0xA000)) {if(verbose)printf("!!!skipping RAM and I/O areas\n");j=0x8fff;}}while(!ex&&(x==0xb0)) {rep=(buf[i--]<<8)+buf[i--];bytes+=rep;if(verbose)printf("!!!rep=%d\n",rep);data=buf[i--];if(verbose)printf("!!!data=%d\n",data);x=buf[i--];while(rep--)out[j--]=data;}if(x!=0xb2) {printf("bytes=%d\n",bytes);printf("!!!no b2 at %d (%d)\n",i,x);ex=TRUE;}}}strcpy(outfile,argv[1]);if(!stricmp(&outfile[strlen(outfile)-4],".EXE"))outfile[strlen(outfile)-4]=NULL;strcat(outfile,".rom");if(fp=fopen(outfile,"wb")) {printf("`%s'\n",outfile);fwrite(out,65536,1,fp);fclose(fp);} elseprintf("Can't open `ram:willyrom'\n");} elseprintf("couldn't read `%s'\n",argv[1]);fclose(fp);} elseprintf("can't open `%s'\n",argv[1]);free(buf);} elseprintf("no mem\n");} elseprintf("can't stat `%s'\n",argv[1]);} elseprintf("Usage: `%s <file> [VERBOSE]'\n",argv[0]);} [ Pobierz całość w formacie PDF ]