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180 lines
5.5 KiB
Plaintext
180 lines
5.5 KiB
Plaintext
; File : $PCMODE.EQU$
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;
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; Description :
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;
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; Original Author : DIGITAL RESEARCH
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;
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; Last Edited By : $CALDERA$
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;
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;-----------------------------------------------------------------------;
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; Copyright Work of Caldera, Inc. All Rights Reserved.
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;
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; THIS WORK IS A COPYRIGHT WORK AND CONTAINS CONFIDENTIAL,
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; PROPRIETARY AND TRADE SECRET INFORMATION OF CALDERA, INC.
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; ACCESS TO THIS WORK IS RESTRICTED TO (I) CALDERA, INC. EMPLOYEES
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; WHO HAVE A NEED TO KNOW TO PERFORM TASKS WITHIN THE SCOPE OF
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; THEIR ASSIGNMENTS AND (II) ENTITIES OTHER THAN CALDERA, INC. WHO
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; HAVE ACCEPTED THE CALDERA OPENDOS SOURCE LICENSE OR OTHER CALDERA LICENSE
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; AGREEMENTS. EXCEPT UNDER THE EXPRESS TERMS OF THE CALDERA LICENSE
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; AGREEMENT NO PART OF THIS WORK MAY BE USED, PRACTICED, PERFORMED,
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; COPIED, DISTRIBUTED, REVISED, MODIFIED, TRANSLATED, ABRIDGED,
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; CONDENSED, EXPANDED, COLLECTED, COMPILED, LINKED, RECAST,
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; TRANSFORMED OR ADAPTED WITHOUT THE PRIOR WRITTEN CONSENT OF
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; CALDERA, INC. ANY USE OR EXPLOITATION OF THIS WORK WITHOUT
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; AUTHORIZATION COULD SUBJECT THE PERPETRATOR TO CRIMINAL AND
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; CIVIL LIABILITY.
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;-----------------------------------------------------------------------;
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;
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; *** Current Edit History ***
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; *** End of Current Edit History ***
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;
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; $Log$
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;
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; ENDLOG
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; This file contains all the general purpose definitions
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; and equates used by the PCMODE Module.
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;
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TRUE equ 0FFFFh ; value of TRUE
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FALSE equ 0 ; value of FALSE
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TRUE_VERSION equ 6
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IDLE_DETECT equ TRUE ; Check for IDLE Process's
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if IDLE_DETECT
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IDLE_COMMAND equ 0001h ; Command Processor Active
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IDLE_DOSFUNC equ 0002h ; DOS Function Called
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IDLE_INT28 equ 0004h ; INT 28 Called
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IDLE_ON equ 4000h ; ReSet when Idle Checking Enabled
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IDLE_INIT equ 8000h ; ReSet when $IDLE$ Loaded and Active
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IDLE_DISABLE equ IDLE_INIT + IDLE_ON
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PROC_IDLE equ 0001 ; Process is IDLE
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PROC_INT28 equ 0002 ; INT28 Polling Loop
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PROC_KEYIN equ 0003 ; Keyboard Input
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PROC_DEVIN equ 0004 ; Device Input Routine
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endif
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STACK_SIZE equ 192 ; Local Stack Size (Levels)
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MAX_PATHLEN equ 80 ; Maximum Path length
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MAX_FILELEN equ 13
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;
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; DOS process termination Codes
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;
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TERM_NORMAL equ 0 ; Normal Termination
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TERM_BREAK equ 1 ; Termination by Control Break
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TERM_ERROR equ 2 ; Termination by Critical Error
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TERM_RESIDENT equ 3 ; Terminate and Stay Resident
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;
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; Critical Error responses from the default INT 24 handler and
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; the DO_INT24 routine.
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;
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ERR_IGNORE equ 0 ; Ignore Error
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ERR_RETRY equ 1 ; Retry the Operation
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ERR_ABORT equ 2 ; Terminate the Process
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ERR_FAIL equ 3 ; Fail Function
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;
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OK_FAIL equ 0000$1000b ; Fail is a Valid Response
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OK_RETRY equ 0001$0000b ; Retry is a Valid Response
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OK_IGNORE equ 0010$0000b ; Ignore is a valid Response
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OK_RIF equ 0011$1000b ; All Responsese are Valid
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OK_RI equ 0011$0000b ; Retry and Ignore are Valid
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OK_RF equ 0001$1000b ; Retry and Fail are Valid
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;
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NO_CRIT_ERRORS equ 0100$0000b ; critical error shouldn't be generated
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; warning - must match FDOS.A86
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;
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eject
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; The following equates define the format in which the users registers
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; are saved on the stack. This format is also seen by an application
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; when a critical error occurs.
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;
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CodeMacro POP$DOS ; Pop User Registers a la MS-DOS
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db 058h ! db 05Bh ; pop AX ! pop BX
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db 059h ! db 05Ah ; pop BX ! pop CX
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db 05Eh ! db 05Fh ; pop SI ! pop DI
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db 05Dh ; pop BP
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db 01Fh ! db 007h ; pop DS ! pop ES
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EndM
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CodeMacro PUSH$DOS ; Push User Registers
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db 006h ! db 01Eh ; push ES ! push DS
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db 055h ; push BP
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db 057h ! db 056h ; push DI ! push SI
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db 052h ! db 051h ; push DX ! push CX
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db 053h ! db 050h ; push BX ! push AX
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EndM
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reg_AX equ word ptr .00
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reg_AL equ byte ptr .00
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reg_AH equ byte ptr .01
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reg_BX equ word ptr .02
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reg_BL equ byte ptr .02
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reg_BH equ byte ptr .03
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reg_CX equ word ptr .04
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reg_CL equ byte ptr .04
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reg_CH equ byte ptr .05
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reg_DX equ word ptr .06
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reg_DL equ byte ptr .06
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reg_DH equ byte ptr .07
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reg_SI equ word ptr .08
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reg_DI equ word ptr .10
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reg_BP equ word ptr .12
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reg_DS equ word ptr .14
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reg_ES equ word ptr .16
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reg_IP equ word ptr .18
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reg_CS equ word ptr .20
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reg_FLAGS equ word ptr .22
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; Processor Flags
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CARRY_FLAG equ 0001h ; Carry Flag
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ZERO_FLAG equ 0040h ; Zero Flag
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SIGN_FLAG equ 0080h ; Sign Flag
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INT_FLAG equ 0200h ; Interrupt Flag
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DIR_FLAG equ 0400h ; Direction Flag
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OFLW_FLAG equ 0800h ; OverFlow Flag
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DMD_ID equ es:byte ptr .0 ; id code ('M' or 'Z')
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DMD_PSP equ es:word ptr .1 ; owner of memory block
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DMD_LEN equ es:word ptr .3 ; length of memory block
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DMD_IDLE_FLAGS equ es:word ptr .6 ; idle flags live here
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DMD_NAME equ es:byte ptr .8 ; ASCIIZ name field
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DMD_NAME_LEN equ 8 ; 8 Bytes long
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IDM equ 'M' ; not last id code
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IDZ equ 'Z' ; last id code
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PCMCODE GROUP PCM_HEADER, PCM_CODE, BDOS_CODE, PCM_RODATA
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PCMCODE GROUP PCM_HISTORY, PCM_ICODE, PCM_CODEND
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PCM_HEADER CSEG PARA
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PCM_CODE CSEG BYTE
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PCM_RODATA CSEG WORD
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BDOS_CODE CSEG WORD
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PCM_HISTORY CSEG BYTE
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PCM_ICODE CSEG BYTE
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PCM_CODEND CSEG PARA
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PCMDATA GROUP PCMODE_DATA, FDOS_DSEG, FIXED_DOS_DATA
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PCMDATA GROUP PCMODE_CODE, GLOBAL_DATA, BDOS_DATA, PCMODE_DSIZE
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PCMODE_DATA DSEG WORD ; DOS Data
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FDOS_DSEG DSEG WORD COMMON ; FDOS Parameter Block
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fdos_data rw 7
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FIXED_DOS_DATA CSEG WORD 'DATA' ; Fixed DOS Data Area
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PCMODE_CODE CSEG WORD 'DATA' ; DATA relative CODE
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GLOBAL_DATA DSEG WORD ; GLOBAL DOS DATA (Process Independant)
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BDOS_DATA DSEG WORD ; BDOS Data Area
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PCMODE_DSIZE DSEG PARA ; End of DOS Data Area
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