diff options
Diffstat (limited to 'reference/C/CONTRIB/SNIP/absdiskc.c')
-rwxr-xr-x | reference/C/CONTRIB/SNIP/absdiskc.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/SNIP/absdiskc.c b/reference/C/CONTRIB/SNIP/absdiskc.c new file mode 100755 index 0000000..093724d --- /dev/null +++ b/reference/C/CONTRIB/SNIP/absdiskc.c @@ -0,0 +1,34 @@ +/*
+** ABSDISKC.C - Functions to read and write absolute disk sectors
+** (these will work with all versions of DOS 2-5).
+**
+** Public domain code by Bob Stout
+**
+** NOTE: These functions work by calling absdisk() from SNIPPETS file,
+** ABSDISK.ASM.
+*/
+
+#include <stddef.h>
+#include <dos.h>
+
+int _cdecl absdisk(unsigned char function,
+ unsigned short drive,
+ size_t number_of_sectors,
+ size_t starting_sector,
+ void * sector_buffer);
+
+int AbsDiskRead(unsigned short drive,
+ size_t num_of_sectors,
+ size_t sector,
+ void *ptr)
+{
+ return absdisk(0x25, drive, num_of_sectors, (unsigned)sector, ptr);
+}
+
+int AbsDiskWrite(unsigned short drive,
+ size_t num_of_sectors,
+ size_t sector,
+ void *ptr)
+{
+ return absdisk(0x26, drive, num_of_sectors, (unsigned)sector, ptr);
+}
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