16 bit Assembly
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- Extract a Date from a WORD (2 byte format)
- Create a Date in to a WORD (2 byte format)
- Floppy Disk FAT12 Configuration
- Converting a Start Clusters or Allocation Clusters to a CHS
- Extracting Allocation Cluster Numbers
- Reading a Cluster number from FAT12
- Reading both Clusters from a FAT12 block
- Write Clusters to a FAT12 block
- Calculate the offset to a FAT12 Cluster block
- Convert a Cluster Number to CHS
- Convert a CHS to a Cluster Number
- 32bit to 16bit File Sizes
- Finding Free Space on a Floppy Disk
- Deleted Files
- Clearing or Setting a Block of Memory
- Moving a Block of Memory
- Moving a String in Memory
- Initialing Mouse and Register Callback
- Handling the Mouse Callback/li>
- Handle Mouse Movement
- Handle Mouse Click
- Cancel a Callback
- Overview
- Parameter Details in Boot Sector
- Requesting Parameters from the BIOS
- Overview
- Changine Segment Registers
- Displaying Register Values
- The Root Directory
- File Deletion and Recycling
- Loading a File from Floppy to Memory
- Saving a File from Memory to Floppy
- Using the Stack
- Creating a Startup Disk
- Display a Character
- Display a String
- Display a Number
- Display a Number as a Hex Number
- Display a NewLine
- Display a Key Press Message
- Writing direct to Screen Memory
- Extract a Time from a WORD (2 byte format)
- Create a Time in to a WORD (2 byte format)
Access memory by using register addressing
Finding Free Space on a Floppy Disk
Last Update 9/03/2023