Function Index

Cli Functions

Functions relating to the file cli.asm

• cliLoop - Main loop for the command line interface
• doDir - Command to show the contents of the a directory
• doRename - Command to rename a file
• doDel - Command to delete a file
• doType - Command to show the contents of a file
• doCopy - Command to copy one file to another
• doCls - Command to clear the screen
• doTime - Command to show the system time
• doDate - Command to show the system date
• doHelp - Command to display the available cli commands
• doCd - Command to change the current directory
• doMd - Command to make a new directory
• doRd - Command to remove a directory

Cmos Functions

Functions relating to the file cmos.asm

• cmosRead - Read the contents from a chosen CMOS register
• cmosWrite - Write to the chosen CMOS register
• cmosReadDate - Get the system date from the CMOS
• cmosReadTime - Get the system time from the CMOS
• cmosDelay - Use the CMOS to wait a period of time in seconds
• bcd - Convert a value into a binary-coded decimal (BCD)

Disk Functions

Functions relating to the file disk.asm

• setupDisk - Setup values for the bios paramater block
• readSectors - Read sectors from the disk
• writeSectors - Write sectors to the disk
• loadCwd - Allocate and load the cwd
• unloadCwd - Unallocate and free the cwd
• readCwd - Read the cwd into memory
• writeCwd - Write the cwd to the disk
• allocCwd - Allocate the cwd into memory
• freeCwd - Free the cwd from memory
• loadFat - Allocate and load the FAT
• unloadFat - Unallocate and free the FAT
• readFat - Read the FAT into memory
• writeFat - Write the FAT to the disk
• allocFat - Allocate the FAT into memory
• freeFat - Free the FAT from memory
• searchDir - Search a loaded dir for an 8.3 filename
• changeDir - Change and set the cwd
• createDir - Create an empty directory
• removeDir - Remove an empty directory
• fileSize - Get the size of a file
• fileExists - Check to see if a file exists
• createFile - Create an empty file
• renameFile - Rename an existing file
• deleteFile - Delete a single file
• readFile - Read the contents of a file
• writeFile - Write data to a file

Fat Functions

Functions relating to the file fat.asm

• readClustersFAT12 - Read the data from FAT12 clusters into memory
• readClustersFAT16 - Read the data from FAT16 clusters into memory
• readClusters - Use FAT12 or FAT16, then read the clusters
• removeClustersFAT12 - Remove FAT12 clusters from the FAT table
• removeClustersFAT16 - Remove FAT16 clusters from the FAT table
• removeClusters - Determine to use FAT12 or FAT16, then remove the clusters
• writeClustersFAT12 - Write new FAT12 clusters and data to the disk
• writeClustersFAT16 - Write new FAT16 clusters and data to the disk
• writeClusters - Determine to use FAT12 or FAT16, then write the clusters

Kernel Functions

Functions relating to the file kernel.asm

• entryPoint - Primary entrypoint into the operating system

Keyboard Functions

Functions relating to the file keyboard.asm

• setupKbdCtrl - Set my own kbd controller interrupt
• kbdCtrlRead - Read a byte from the kbd controller
• kbdCtrlWrite - Send a byte to the kbd controller
• kbdCtrlSendCmd - Send a command to the kbd controller
• kbdCtrlSelfTest - Preform a kbd controller self test
• kbdCtrlSetLeds - Set the kbd leds
• kbdCtrlWaitUntillKey - Wait untill a key is pressed
• kbdCtrlCaptureInput - Get input from kbd and fill into buffer
• kbdCtrlHandler - Custom handler for the kbd controller
• kbdEncSendCmd - Send a command to the kbd encoder
• scanToAscii - Translate scan code to ascii and set flags
• kbdBiosFlushBuffer - Flush key from BIOS kbd buffer
• kbdBiosCheckBuffer - Check the BIOS kbd buffer for a key
• kbdBiosGetChar - Grab a char from the BIOS kbd buffer
• kbdBiosStoreKey - Shove char into the BIOS kbd buffer
• kbdBiosWaitUntillKey - Wait untill a key is in the BIOS kbd buffer
• kbdBiosCaptureInput - Get input from BIOS kbd and fill into buffer

Memory Functions

Functions relating to the file memory.asm

• setupMemory - Get the inital low memory and allocate areas into the memory map
• memBytesToBlocks32 - Calculate how many blocks from the size in bytes
• memBlockToAddress - Convert the block into a segment and offset address
• memAddressToBlock - Convert the segment and offset address into a block
• memAllocNextBlock - Allocate the next available block in memory
• memAllocBlocks - Allocate the next available blocks in memory
• memAllocBytes - Allocate the next available bytes in memory
• memFreeBlock - Free the block in memory related to the address
• memFreeBlocks - Free the blocks in memory related to the address
• memFreeBytes - Free the bytes in memory related to the address
• allocMemAddress - Manually allocate an address into memory

Serial Functions

Functions relating to the file serial.asm

• initSerial - Setup the serial (com1) port
• writeSerial - Write some data to the serial port
• readSerial - Read some data from the serial port
• writeSerialStr - Write a string to the serial port
• writeSerialNumPadding32 - Write a formatted number to the serial port

String Functions

Functions relating to the file string.asm

• itoa - Converts a 32-bit number and base to a string
• atoi - Converts a string and base to a 16-bit number
• convertFilename83 - Convert the filename into a fat formatted filename
• padStr - Pad a string with Ascii characters
• parseStr - Split the string into tokens
• strCmp - Checks to see if the two passed strings are equal
• strLen - Get the length of a string
• charToLower - Convert an Acsii letter to a lowercase character
• charToUpper - Convert an Acsii letter to a uppercase character

Video Functions

Functions relating to the file video.asm

• setupVideo - Get the cursor position from the BIOS, then save for use
• videoWriteChar - Write a character into video memory
• videoWriteStr - Write a string into video memory
• videoWriteNumPadding32 - Write a 32-bit number into video memory with padding
• videoWriteNumPadding - Write a 16-bit number into video memory with padding
• videoWriteNum32 - Write a 32-bit number into video memory
• videoWriteNum - Write a 16-bit number into video memory
• videoScroll - Scroll the screen up one line, if cursor is on the last available line.
• videoClearScreen - Clear the screen of text
• videoSaveScreen - Save the contents of the screen into memory
• videoRestoreScreen - Restore the contents of the screen from memory
• videoUpdateBiosCur - Update the BIOS cursor
• videoUpdateCur - Update the hardware cursor