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dos33fsprogs
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Add dos33_text2ascii.c 

Was working on this to aid development of TB_6502 assembly language game
This commit is contained in:
Vince Weaver 2003-05-15 23:54:00 -04:00
parent b86c16fa1a
commit 04ac80431e
4 changed files with 192 additions and 38 deletions
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0
README
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YOU.LOGO Normal file
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210
dos33.c
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@ -33,7 +33,7 @@ unsigned char dos33_file_type(int value) {
unsigned char result;
switch(value){
switch(value&0x7f){
case 0x0: result='T'; break;
case 0x1: result='I'; break;
case 0x2: result='A'; break;
@ -159,13 +159,17 @@ catalog_loop:
}
catalog_track=buffer[CATALOG_NEXT_T];
catalog_sector=buffer[CATALOG_NEXT_S];
if (catalog_sector!=0) goto catalog_loop;
if (catalog_sector!=0) {
catalog_file=0;
goto catalog_loop;
}
return -1;
}
int dos33_print_file_info(int fd,int catalog_tsf,unsigned char *buffer) {
int catalog_track,catalog_sector,catalog_file;
int catalog_track,catalog_sector,catalog_file,i;
char temp_string[BUFSIZ];
catalog_file=catalog_tsf>>16;
@ -187,9 +191,16 @@ int dos33_print_file_info(int fd,int catalog_tsf,unsigned char *buffer) {
printf("%.3i ",buffer[CATALOG_FILE_LIST+(catalog_file*CATALOG_ENTRY_SIZE+FILE_SIZE_L)]+
(buffer[CATALOG_FILE_LIST+(catalog_file*CATALOG_ENTRY_SIZE+FILE_SIZE_H)]<<8));
strncpy(temp_string,dos33_filename_to_ascii(temp_string,
buffer+(CATALOG_FILE_LIST+(catalog_file*CATALOG_ENTRY_SIZE+FILE_NAME))),BUFSIZ);
for(i=0;i<strlen(temp_string);i++) {
if (temp_string[i]<0x20) printf("^%c",temp_string[i]+0x40);
else printf("%c",temp_string[i]);
}
printf("%s",dos33_filename_to_ascii(temp_string,
buffer+(CATALOG_FILE_LIST+(catalog_file*CATALOG_ENTRY_SIZE+FILE_NAME))));
printf("\n");
@ -702,6 +713,154 @@ keep_deleting:
return 0;
}
int dump_sector(unsigned char *buffer) {
int i,j;
for(i=0;i<16;i++) {
printf("$%02X : ",i*16);
for(j=0;j<16;j++)
printf("%02X ",buffer[i*16+j]);
printf("\n");
}
return 0;
}
int dos33_dump(int fd, unsigned char *buffer) {
int num_tracks,i,j,catalog_t,catalog_s,file,ts_t,ts_s,ts_total,track,sector;
int deleted=0;
char temp_string[BUFSIZ];
unsigned char tslist[BYTES_PER_SECTOR];
dos33_read_vtoc(fd,buffer);
dump_sector(buffer);
printf("\n\n");
printf("VTOC INFORMATION:\n");
catalog_t=buffer[VTOC_CATALOG_T];
catalog_s=buffer[VTOC_CATALOG_S];
printf("\tFirst Catalog = %02X/%02X\n",catalog_t,catalog_s);
printf("\tDOS RELEASE = 3.%i\n",buffer[VTOC_DOS_RELEASE]);
printf("\tDISK VOLUME = %i\n",buffer[VTOC_DISK_VOLUME]);
ts_total=buffer[VTOC_MAX_TS_PAIRS];
printf("\tT/S pairs that will fit in T/S List = %i\n",ts_total);
printf("\tLast track where sectors were allocated = $%02X\n",
buffer[VTOC_LAST_ALLOC_T]);
printf("\tDirection of track allocation = %i\n",
buffer[VTOC_ALLOC_DIRECT]);
num_tracks=buffer[VTOC_NUM_TRACKS];
printf("\tNumber of tracks per disk = %i\n",num_tracks);
printf("\tNumber of sectors per track = %i\n",
buffer[VTOC_S_PER_TRACK]);
printf("\tNumber of bytes per sector = %i\n",
(buffer[VTOC_BYTES_PER_SH]<<8)+buffer[VTOC_BYTES_PER_SL]);
printf("\nFree sector bitmap:\n");
printf("\tTrack FEDCBA98 76543210\n");
for(i=0;i<num_tracks;i++) {
printf("\t $%02X: ",i);
for(j=0;j<8;j++) {
if ((buffer[VTOC_FREE_BITMAPS+(i*4)]<<j)&0x80) printf(".");
else printf("U");
}
printf(" ");
for(j=0;j<8;j++) {
if ((buffer[VTOC_FREE_BITMAPS+(i*4)+1]<<j)&0x80) printf(".");
else printf("U");
}
printf("\n");
}
repeat_catalog:
printf("\nCatalog Sector $%02X/$%02x\n",catalog_t,catalog_s);
lseek(fd,DISK_OFFSET(catalog_t,catalog_s),SEEK_SET);
read(fd,buffer,BYTES_PER_SECTOR);
dump_sector(buffer);
for(file=0;file<7;file++) {
printf("\n\n");
ts_t=buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_TS_LIST_T))];
ts_s=buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_TS_LIST_S))];
printf("%i+$%02X/$%02X - ",file,catalog_t,catalog_s);
deleted=0;
if (ts_t==0xff) {
printf("**DELETED** ");
deleted=1;
ts_t=buffer[(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_NAME+0x1e))];
}
if (ts_t==0x00) {
printf("UNUSED!\n");
goto continue_dump;
}
strncpy(temp_string,dos33_filename_to_ascii(temp_string,
buffer+(CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_NAME))),BUFSIZ);
for(i=0;i<strlen(temp_string);i++) {
if (temp_string[i]<0x20) printf("^%c",temp_string[i]+0x40);
else printf("%c",temp_string[i]);
}
printf("\n");
printf("\tLocked = %s\n",
buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE)+FILE_TYPE]>0x7f?
"YES":"NO");
printf("\tType = %c\n",
dos33_file_type(buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE)+FILE_TYPE]));
printf("\tSize in sectors = %i\n",
buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_SIZE_L)]+
(buffer[CATALOG_FILE_LIST+(file*CATALOG_ENTRY_SIZE+FILE_SIZE_H)]<<8));
repeat_tsl:
printf("\tT/S List $%02X/$%02X:\n",ts_t,ts_s);
if (deleted) goto continue_dump;
lseek(fd,DISK_OFFSET(ts_t,ts_s),SEEK_SET);
read(fd,&tslist,BYTES_PER_SECTOR);
for(i=0;i<ts_total;i++) {
track=tslist[TSL_LIST+(i*TSL_ENTRY_SIZE)];
sector=tslist[TSL_LIST+(i*TSL_ENTRY_SIZE)+1];
if ((track==0) && (sector==0)) printf(".");
else printf("\n\t\t%02X/%02X",track,sector);
}
ts_t=tslist[TSL_NEXT_TRACK];
ts_s=tslist[TSL_NEXT_SECTOR];
if (!((ts_s==0) && (ts_t==0))) goto repeat_tsl;
continue_dump:
}
catalog_t=buffer[CATALOG_NEXT_T];
catalog_s=buffer[CATALOG_NEXT_S];
if (catalog_s!=0) {
file=0;
goto repeat_catalog;
}
printf("\n");
return 0;
}
int display_help(char *name) {
@ -733,6 +892,7 @@ int display_help(char *name) {
#define COMMAND_VERIFY 13
#define COMMAND_RENAME 14
#define COMMAND_COPY 15
#define COMMAND_DUMP 16
int main(int argc, char **argv) {
@ -801,6 +961,9 @@ int main(int argc, char **argv) {
else if (!strncmp(temp_string,"COPY",4)) {
command=COMMAND_COPY;
}
else if (!strncmp(temp_string,"DUMP",4)) {
command=COMMAND_DUMP;
}
else {
display_help(argv[0]);
goto exit_program;
@ -931,44 +1094,15 @@ int main(int argc, char **argv) {
case COMMAND_VERIFY:
case COMMAND_RENAME:
case COMMAND_COPY:
case COMMAND_DUMP:
printf("Dumping %s!\n",argv[1]);
dos33_dump(dos_fd,scratch_sector);
break;
default:
printf("Sorry, unsupported command\n");
goto exit_and_close;
}
#if 0
type=argv[3][0];
if (type<'a') type+=0x20;
if ((type!='a') && (type!='b') && (type!='t')) {
printf("Error! Type must be A, B, or T!\n");
exit(2);
}
printf("Adding \"%s\" to image \"%s\" type %c\n\n",
filename,image,type);
if (dos33_check_file_exists(dos_fd,filename)) {
char temp_input[BUFSIZ];
printf("Error! File %s already exists on %s!\n",filename,image);
printf("Overwrite? (y/n)");
scanf("%s",temp_input);
if (temp_input[0]=='y') {
dos33_delete_file(dos_fd,filename);
printf("Deleting old file %s\n",filename);
exit(5);
}
else {
exit(5);
}
}
dos33_add_file(dos_fd,filename,file_size,type);
#endif
exit_and_close:
close(dos_fd);

20
dos33_text2ascii.c Normal file
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@ -0,0 +1,20 @@
#include <stdio.h>
int main(int argc, char **argv) {
int ch;
while(1) {
ch=fgetc(stdin);
if (feof(stdin)) return 0;
ch=ch&0x7f;
if (ch=='\r') ch=('\n');
fputc(ch,stdout);
}
return 0;
}