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IBMDOS/PSP.DEF

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+;    File              : $PSP.DEF$
+;
+;    Description       :
+;
+;    Original Author   : DIGITAL RESEARCH
+;
+;    Last Edited By    : $CALDERA$
+;
+;-----------------------------------------------------------------------;
+;    Copyright Work of Caldera, Inc. All Rights Reserved.
+;      
+;    THIS WORK IS A COPYRIGHT WORK AND CONTAINS CONFIDENTIAL,
+;    PROPRIETARY AND TRADE SECRET INFORMATION OF CALDERA, INC.
+;    ACCESS TO THIS WORK IS RESTRICTED TO (I) CALDERA, INC. EMPLOYEES
+;    WHO HAVE A NEED TO KNOW TO PERFORM TASKS WITHIN THE SCOPE OF
+;    THEIR ASSIGNMENTS AND (II) ENTITIES OTHER THAN CALDERA, INC. WHO
+;    HAVE ACCEPTED THE CALDERA OPENDOS SOURCE LICENSE OR OTHER CALDERA LICENSE
+;    AGREEMENTS. EXCEPT UNDER THE EXPRESS TERMS OF THE CALDERA LICENSE
+;    AGREEMENT NO PART OF THIS WORK MAY BE USED, PRACTICED, PERFORMED,
+;    COPIED, DISTRIBUTED, REVISED, MODIFIED, TRANSLATED, ABRIDGED,
+;    CONDENSED, EXPANDED, COLLECTED, COMPILED, LINKED, RECAST,
+;    TRANSFORMED OR ADAPTED WITHOUT THE PRIOR WRITTEN CONSENT OF
+;    CALDERA, INC. ANY USE OR EXPLOITATION OF THIS WORK WITHOUT
+;    AUTHORIZATION COULD SUBJECT THE PERPETRATOR TO CRIMINAL AND
+;    CIVIL LIABILITY.
+;-----------------------------------------------------------------------;
+;
+;    *** Current Edit History ***
+;    *** End of Current Edit History ***
+;
+;    $Log$
+;
+;    ENDLOG
+;
+;			 Program Segment Prefix
+;			 ----------------------
+;	This structure holds vital information for DOS programs
+;
+;*******************************************************************************
+;*
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   00	|  int 20   |  memory	| *** | jmpf|longjmp off|
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   08	|longjmp seg| int22 Off | int22 Seg | int22 Off |
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   10	| int22 Seg | int24 Off | int24 Seg |   Parent  |
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   18	|		Default Handle Table		|
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   20	|		  XFT (20 entries)		|
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   28	|       XFT contd.	|  Environ  |  User SP	|
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   30	|  User SS  |  xfnmax 	|  xftoff   |  xftseg   |
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   38	|    res1   |    res2	| ric | *** | ********* |
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   40	|  version  | ********* | ********* | ********* |
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   48	| ********* | ********* | ********* | ********* |
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   50	|  int 21   | retf| *** | ********* | ********* |
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+;*	   58	| ********* | ********* |       PSP fcb 1       |
+;*		+-----+-----+-----+-----+-----+-----+-----+-----+
+
+PSP_INT20	equ	es:word ptr .0000h
+PSP_MEMORY	equ	es:word ptr .0002h
+;PSP_???	equ	es:byte ptr .0004h
+PSP_LONGCALL	equ	es:byte ptr .0005h
+PSP_LONGOFF	equ	es:word ptr .0006h
+PSP_LONGSEG	equ	es:word ptr .0008h
+PSP_TERM_IP	equ	es:word ptr .000Ah
+PSP_TERM_CS	equ	es:word ptr .000Ch
+PSP_BREAK_IP	equ	es:word ptr .000Eh
+PSP_BREAK_CS	equ	es:word ptr .0010h
+PSP_ERROR_IP	equ	es:word ptr .0012h
+PSP_ERROR_CS	equ	es:word ptr .0014h
+PSP_PARENT	equ	es:word ptr .0016h
+PSP_XFT		equ	es:byte ptr .0018h
+;
+;	The Default Handle Table is HERE !!
+;
+PSP_ENVIRON	equ	es:word ptr .002ch
+PSP_USERSP	equ	es:word ptr .002eh
+PSP_USERSS	equ	es:word ptr .0030h
+PSP_XFNMAX	equ	es:word ptr .0032h
+PSP_XFTPTR	equ	es:dword ptr .0034h
+PSP_XFTOFF	equ	es:word ptr .0034h
+PSP_XFTSEG	equ	es:word ptr .0036h
+PSP_RES1	equ	es:word ptr .0038h	; DOS Reserved 0FFFFh
+PSP_RES2	equ	es:word ptr .003Ah	; DOS Reserved 0FFFFh
+PSP_RIC		equ	es:byte ptr .003Ch	; Return Interim Character flag
+PSP_VERSION	equ	es:word ptr .0040h	; DOS version number
+
+
+PSP_DOSCALL	equ	es:word ptr .0050h
+PSP_DOSRETF	equ	es:byte ptr .0052h
+
+PSP_FCB1	equ	es:byte ptr .005Ch
+PSP_FCB2	equ	es:byte ptr .006Ch
+PSP_COMLEN	equ	es:byte ptr .0080h
+PSP_COMLINE	equ	es:byte ptr .0081h
+
+XFNMAX		equ	20
+
+PSPLEN		equ	100h
+PSPILEN		equ	60h