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Unit bios_data_area

Description
Uses
Classes, Interfaces, Objects and Records
Functions and Procedures
Types
Constants
Variables

Description

Include->BIOS_Data_Area - Data Structures Controlled by the BIOS.

Overview

Classes, Interfaces, Objects and Records

Name Description
Record TCounters  

Functions and Procedures

procedure tick_update(data : void);

Types

TBDA = bitpacked record COM1 : uint16; COM2 : uint16; COM3 : uint16; COM4 : uint16; LPT1 : uint16; LPT2 : uint16; LPT3 : uint16; EBDA : uint16; Hardware_Flags : uint16; Keyboard_Flags : uint16; Keyboard_Buffer : ARRAY[0..31] OF uint8; Display_Mode : uint8; BaseIO : uint16; Ticks : uint16; HDD_Count : uint8; Keyboard_Start : uint16; Keyboard_End : uint16; Keyboard_State : uint8; end;
PBDA = ˆTBDA;
TMCFG = bitpacked record Signature : Array[0..3] of Char; Table_Length : uint32; Revision : Byte; Checksum : Byte; OEM_ID : Array[0..5] of Byte; OEM_Table_ID : uint64; OEM_Revision : uint32; Creator_ID : uint32; Creator_Revision : uint32; Reserved : uint64; end;
PMCFG = ˆTMCFG;

Constants

BDA : PBDA = PBDA($C0000400);

Variables

Counters: TCounters;

Description

Functions and Procedures

procedure tick_update(data : void);
 

Types

TBDA = bitpacked record COM1 : uint16; COM2 : uint16; COM3 : uint16; COM4 : uint16; LPT1 : uint16; LPT2 : uint16; LPT3 : uint16; EBDA : uint16; Hardware_Flags : uint16; Keyboard_Flags : uint16; Keyboard_Buffer : ARRAY[0..31] OF uint8; Display_Mode : uint8; BaseIO : uint16; Ticks : uint16; HDD_Count : uint8; Keyboard_Start : uint16; Keyboard_End : uint16; Keyboard_State : uint8; end;
 
PBDA = ˆTBDA;
 
TMCFG = bitpacked record Signature : Array[0..3] of Char; Table_Length : uint32; Revision : Byte; Checksum : Byte; OEM_ID : Array[0..5] of Byte; OEM_Table_ID : uint64; OEM_Revision : uint32; Creator_ID : uint32; Creator_Revision : uint32; Reserved : uint64; end;
 
PMCFG = ˆTMCFG;
 

Constants

BDA : PBDA = PBDA($C0000400);
 

Variables

Counters: TCounters;
 

Author

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