rxdosref.asm

dos source

        ;''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''';
        ;  DOS Data                                                     ;
        ;...............................................................;

_RxDOS_ShareRetry              equ 001Ah           ; sharing retry count
_RxDOS_ShareDelay              equ 001Ch           ; sharing retry delay
_RxDOS_pDTA                    equ 001Eh           ; ptr to current disk buffer (* violates m/tasking)
_RxDOS_pStartMemBlock          equ 0024h           ; seg ptr to start of memory allocation

_RxDOS_pDPB                    equ 0026h           ; ptr to Drive Parameter Block (DPB)
_RxDOS_pFT                     equ 002Ah           ; ptr to File Tables (FT)
_RxDOS_pCLOCKdriver            equ 002Eh           ; ptr to CLOCK$ device driver
_RxDOS_pCONdriver              equ 0032h           ; ptr to CON device driver
_RxDOS_wMaxBlock               equ 0036h           ; maximum bytes per block for any/all devices
_RxDOS_BufferList              equ 0038h           ; pointer set for buffer list
_RxDOS_pCDS                    equ 003Ch           ; ptr to array of current directory structures
_RxDOS_pFCBs                   equ 0040h           ; ptr to FCB table
_RxDOS_nProtFCBs               equ 0044h           ; number of protected fcbs
_RxDOS_bNumBlockDev            equ 0046h           ; number of block devices
_RxDOS_bLastDrive              equ 0047h           ; lastdrive from config.sys

        ;''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''';
        ;  NULL Device Driver                                           ;
        ;...............................................................;

_RxDOS_NULLDev                 equ 0048h           ; link to other device

        ;''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''';
        ;  Installable File System Parameters                           ;
        ;...............................................................;

_RxDOS_bNumJoinDev             equ 005Ah           ; number of JOIN'ed drives
_RxDOS_wSpecialNames           equ 005Bh           ; pointer to list of special names
_RxDOS_Buffers                 equ 0065h           ; BUFFERS x
_RxDOS_BootDrive               equ 0069h           ; Boot Drive
_RxDOS_ExtendedMem             equ 006Bh           ; extended memory size

_RxDOS_CurrentDrive            equ 006Dh           ; current drive ( a=0, ... )

        ;''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''';
        ;  Other DOS Data (Not Compatible with DOS 6.7)                 ;
        ;...............................................................;

_RxDOS_INDOSFlag               equ 006Eh           ; INDOS flag.

_RxDOS_Verify                  equ 0070h           ; NonZero if Verify.
_RxDOS_AllocStrategy           equ 0072h           ; Allocation strategy.
_RxDOS_bCtrlBreakCheck         equ 0074h           ; Ctrl Break Flag.
_RxDOS_bSwitchChar             equ 0075h           ; Switch Char.
_RxDOS_MaxMemory               equ 0076h           ; max memory