add directory bin-src

This commit is contained in:
gohigh
2024-02-19 00:21:55 -05:00
parent 42f484790f
commit a4db56af05
520 changed files with 34677 additions and 0 deletions

43
bin-src/patchboot.c Normal file
View File

@@ -0,0 +1,43 @@
#include <unistd.h>
char tmp[512];
#define NEW_DEV 0x303
void main(void)
{
int i;
if (512 != read(0,tmp,512))
exit(1);
if (0xAA55 != *((unsigned short *)(tmp+510)))
exit(2);
*((unsigned short *)(tmp+508)) = NEW_DEV;
if (512 != write(1,tmp,512))
exit(3);
while ((i=read(0,tmp,512)) > 0)
if (i != write(1,tmp,i))
exit(4);
exit(0);
}
/*-------
Devices:
Harddisks:
0x301 - /dev/hd1 - first partition on first drive
...
0x304 - /dev/hd2 - fourth partition on first drive
0x306 - /dev/hd1 - first partition on second drive
...
0x309 - /dev/hd2 - fourth partition on second drive
0x300 - /dev/hd0 - the whole first drive. BE CAREFUL
0x305 - /dev/hd5 - the whole second drive. BE CAREFUL
Floppies:
0x208 - 1.2M in A
0x209 - 1.2M in B
0x21C - 1.44M in A
0x21D - 1.44M in B
*/