Category : HD Utilities
Archive   : TYPENEUM.ZIP
Filename : TYPENUM.C

 
Output of file : TYPENUM.C contained in archive : TYPENEUM.ZIP
/* this program goes thru BIOS and displays the list of disk type nums */

#include
#include
#include

#define uint unsigned int
#define uchar unsigned char

typedef struct {
uint cyls;
uchar heads;
uint filler1;
uint Write_Pre_Comp;
uchar filler3;
uchar control_byte;
uchar filler4[3];
uint landing_zone;
uchar sectors;
uchar last;
} DiskParams;

char ValidDPEntry(DiskParams * DP) {
return( DP->filler1==0 &&
DP->filler3==0 &&
DP->filler4[0]==0 &&
DP->filler4[1]==0 &&
DP->filler4[2]==0 &&
DP->last==0 &&
DP->heads < 32 &&
DP->sectors < 64 &&
DP->cyls < 3000 );
}

void PrintDiskParam(DiskParams * DP, char num) {
int mb;
if (DP->cyls==0)
printf(" %2d \n", num);
else {
mb = ((long)DP->cyls * DP->heads * DP->sectors * 512) / 1000000;
printf(" %2d %4d %2d %2d %3d\n",
num, DP->cyls, DP->heads, DP->sectors, mb);
}
}

void PrintDPHeader() {
printf("Type Cyls Hd Se MB\n");
}

DiskParams *GetDPStart() {
DiskParams * DP;
DP = (DiskParams*)getvect(0x41);
if (DP==NULL) return(DP);
while (ValidDPEntry(DP)) DP--;
return(DP);
}

void main () {
DiskParams * DP;
char N=0,
ScrCnt=0;


DP = GetDPStart();
if (DP) {
PrintDPHeader();
while ( ValidDPEntry(++DP) ) {
PrintDiskParam(DP, ++N);
if (++ScrCnt==22) {
printf(". . . pause . . .");
getch();
printf("\n");
ScrCnt=0;
}
}
}
}

  3 Responses to “Category : HD Utilities
Archive   : TYPENEUM.ZIP
Filename : TYPENUM.C
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/