bios. they would
int biosdisk(int cmd, int drive, int head, int track, int sector, int nsects, emptiness *buffer); Description
biosdisk accesses interrupt 0x13 for BIOS hard disk drive operations within the drive specific by the drive argument. For floppy drives, 0 identifies the first drive, 1 is perfect for the second travel, and so forth. This function is not available under DOSX. �
cmd specifies hard disks operation to execute. head, track, sector, nsects, and buffer provide more information for the command specified bycmd. The following command values are available:
Resets hard drive system by a hard totally reset; all other guidelines are disregarded. 1
Returns the position of the last disk operation; all other parameters are ignored. 2
Says the specified hard drive sectors. Your head, track, and sector quarrels specify the starting sector. The nsects argument identifies the number of groups to read. The read info is kept in buffer. several
Writes hard disk drive sectors coming from memory. Your head, track, and sector arguments specify the starting sector. The nsects argument specifies the number of areas to write. The data is go through from barrier. 4
Verifies sectors. The top, track, and sector arguments specify the starting sector. The nsects argument identifies the number of areas to check. 5
Platforms a observe. The head and track disputes specify the track to format. Stream stores the sector headers. 6
Formats a observe and sets bad sector flags.
Formats the drive start at a certain track.
Gets the current drive variables and stores them in buffer. 9
Initializes drive-pair characteristics.
Does a extended read.
Does a long write.
Does a hard drive seek.
Alternates hard drive reset.
Reads sector buffer.
Writes sector buffer.
Tests the specified drive to verify if it is ready.
Recalibrates the drive.
Works diagnostics on controller MEMORY.
Works drive analysis.
Works controller inner diagnostics.
A standing byte which could contain the pursuing values:
Address tag not located
Attempt to write to write-protected drive
Sector not identified
Totally reset failed (hard disk)
Disk improved since last operation
Drive parameter activity failed
Immediate memory access (DMA) overrun
Try to perform DMA across 64K
Negative sector recognized
Bad track diagnosed
CRC/ECC corrected data problem
Seek operation failed
Attachment did not respond
Drive not ready (hard disk)
Undefined errror occurred (hard disk)
Write mistake occurred
Sense operation failed
DOS Windows three or more. x Phar Lap DOSX
See As well
absread abswrite _bios_disk
/* Case in point for biosdisk */
printf("Attempting to read from drive A:\n");
result = biosdisk(_DISK_READ,0,0,1,1,1,buffer);
the bios. h
int _bios_keybrd(int flag);
int bioskey(int flag);
The _bios_keybrd and bioskey functions pass flag to THE BIOS interrupt 0x16, the keyboard interrupt. The principles for flag are: Identity
Read the subsequent key worth from the keyboard input barrier. Wait for a single if non-e are available. _KEYBRD_READY
Determine if any tips are inside the keyboard insight buffer.
See the status in the shift tips.
Enhanced move status
If flag is 0, the value returned is the key value. The ASCII benefit of the key is returned inside the low byte, and the check out code in the high byte. If the low byte can be 0, then your key worth is not an ASCII crucial (it might be an arrow or function key). If flag is 1, zero is came back if...