pdb.inc

dos 1.0 其中包含quick basic源代码、内存管理himem emm386 发展历史

;
; MSDOS 2.xx Process Data Block
;
;   Contains all DOS specific data.
;

FilPerProc	EQU	20

; Process Data located in the Program Segment Prefix, just before the
; code and data for the loaded program.
;
PDB		STRUC
PDB_Exit_Call	DW  ?
PDB_block_len	DW  ?
		DB  ?
PDB_CPM_Call	DB  5 DUP (?)
PDB_Exit	DD  ?
PDB_Ctrl_C	DD  ?
PDB_Fatal_Abort DD  ?
PDB_Parent_PID	DW  ?
PDB_JFN_Table	DB  FilPerProc DUP (?)
PDB_environ	DW  ?
PDB_User_stack	DD  ?
PDB_JFN_Length	DW  ?		    ; DOS 3.x only
PDB_JFN_Pointer DD  ?		    ; DOS 3.x only
PDB_Next_PDB	DD  ?		    ; DOS 3.x only
PDB_PAD1	DB  06h DUP (?)
PDB_Chain	DW  ?		    ; Windows only
PDB_Partition	DW  ?		    ; Windows only
PDB_NextPDB	DW  ?		    ; Windows only
PDB_GlobalHeap	DD  ?		    ; Windows only
PDB_Entry_stack DD  ?		    ; Windows only
PDB_Call_system DB  5h DUP (?)
PDB_PAD2	DB  7h DUP (?)
PDB_5C_FCB	DB  10h DUP (?)
PDB_6C_FCB	DB  14h DUP (?)
PDB_DEF_DTA	DB  80h DUP (?)
PDB		ENDS