ееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееееh
tod_min		equ	byte ptr .81h
tod_sec		equ	byte ptr .82h
open_vec	equ	word ptr .88h

num_vir_cons	equ	4	; number of virtual consoles

;************************************************************************
;*									*
;*		SCREEN PARAMETERS					*
;*		4/7/83 dwg						*
;************************************************************************
columns_per_screen	equ	80
rows_per_screen		equ	24

screen_siz		equ	rows_per_screen * columns_per_screen
						;in words

screens_size		equ	((2 * screen_siz + 15)/16) * num_vir_cons
						;storage for all the screens
						;in paragraphs

bell_feature	equ	0
motor_feature	equ	0 
hstsiz		equ	256	;physical sector size
cpm86_bios	equ	0
cpm		equ	0
ccpm		equ	1

nul	equ	00h
soh	equ	01h
stx	equ	02h
etx	equ	03h
eott	equ	04h
enq	equ	05h
ack	equ	06h
bel	equ	07h
bs	equ	08h
ht	equ	09h
lf	equ	0ah
vt	equ	0bh
ff	equ	0ch
cr	equ	0dh
so	equ	0eh
shi	equ	0fh
dle	equ	10h
dc1	equ	11h
dc2	equ	12h
dc3	equ	13h
dc4	equ	14h
nak	equ	15h
syn	equ	16h
etb	equ	17h
can	equ	18h
em	equ	19h
subb	equ	1ah
esc	equ	1bh
fs	equ	1ch
gs	equ	1dh
rds	equ	1eh
us	equ	1fh
del	equ	7fh
xon	equ	dc1
xoff	equ	dc3
	
	 
	EJECT 
;************************************************************************
;*									*
;*			CCP/M-86 SYSTEM EQUATES 			*
;*			4/7/83 dwg					*
;************************************************************************

true		equ	0ffffh
false		equ	0

;	CCP/M-86 system calls used by the XIOS

					;process control functions:
p_delay		equ	141		;delay specified number of ticks
p_dispatch	equ	142		;let other another process run
p_pdadr		equ	156		;get double word pointer of process
					;descriptor
p_term		equ	143		;terminate process

					;device control functions:
dev_poll	equ	131		;poll device
dev_flagwait	equ	132		;flag wait
dev_flagset	equ	133		;flag set

					;Time function:
t_seconds	equ	155		;get date,hours,minutes,seconds

	eject
;	Definition of flag table used by by CCP/M and this XIOS

					;CCP/M flags:
					;0 - is reserved
tick_flag	equ	1		;tick flag number
sec_flag	equ	2		;seconds flag number
min_flag	equ	3		;minutes flag number

					;XIOS flags:
fdc_flag	equ	4		;disk operation flag
key_flag	equ	5		;key available flag
bell_flag	equ	6

		eject
;************************************************************************
;*									*
;*		PROCESS DESCRIPTOR					*
;*									*
;************************************************************************

;	The Process Descriptor (PD) along with the
;	associated User Data Area (UDA), describe
;	the current state of a Process under CCP/M-86.
;	The process descriptor is always within the System
;	Data Segment.

;	Process Descriptor:

;   +-----+-----+-----+-----+-----+-----+-----+-----+
; 00|   link    |  thread   |stat |prior|   flag    |
;   +-----+-----+-----+-----+-----+-----+-----+-----+
; 08|                     name                      |
;   +-----+-----+-----+-----+-----+-----+-----+-----+
; 10|    uda    |disk | user|       reserved        |
;   +-----+-----+-----+-----+-----+-----+-----+-----+
; 18|               resereved           |  parent   |
;   +-----+-----+-----+-----+-----+-----+-----+-----+
; 20|cons |     reserved    |list |    reserved     |
;   +-----+-----+-----+-----+-----+-----+-----+-----+
; 28|                   reserved                    |
;   +-----+-----+-----+-----+-----+-----+-----+-----+

;	link	- used for placement into System Lists
;	thread	- link field for Thread List
;	stat	- current process activity
;	prior	- priority
;	flag	- process state flags
;	name	- name of process
;	uda	- segment address of user data area
;	disk	- current default disk
;	user	- current default user number
;	mem	- pointer to MD list of memory owned
;		  by this process
;	parent	- process that created this process
;	cons	- default console device (doesn't imply ownership)
;	list	- default list device (doesn't imply ownership)
		eject
p_link		equ	word ptr 0
p_thread	equ	word ptr p_link + word
p_stat		equ	byte ptr p_thread + word
p_prior		equ	byte ptr p_stat + byte
p_flag		equ	word ptr p_prior + byte
p_name		equ	byte ptr p_flag + word    
p_uda		equ	word ptr p_name + 8
p_disk		equ	byte ptr p_uda + word
p_user		equ	byte ptr p_disk + byte
p_mem		equ	word ptr p_user + 3
p_parent	equ	word ptr p_mem + 8
p_cons		equ	byte ptr p_parent + word
p_list		equ	byte ptr p_cons + 4

pd_len		equ	30H

;	Values of Process descriptor p_status field:

ps_run		equ	0	;in ready list root
ps_poll		equ	1	;in poll list
ps_delay	equ	2	;in delay list
ps_swap		equ	3	;in swap list
ps_term		equ	4	;terminating
ps_sleep	equ	5	;sleep processing
ps_dq		equ	6	;in dq list
ps_nq		equ	7	;in nq list
ps_flagwait	equ	8	;in flag table
ps_ciowait	equ	9	;waiting for character

;	Bit flags in Process descriptor p_flag field:

pf_sys		equ	00001h	;system process
pf_keep		equ	00002h	;do not terminate
pf_kernal	equ	00004h	;resident in kernal
pf_pure		equ	00008h	;pure memory descibed
pf_table	equ	00010h	;from pd table
pf_resource	equ	00020h	;waiting for resource
pf_raw		equ	00040h	;raw console i/o
pf_ctlc		equ	00080h	;abort pending
pf_active	equ	00100h	;active tty
pf_tempkeep	equ	00200h	;don't terminate yet...
pf_ctld		equ	00400h	;explicit detach occured
pf_childabort	equ	00800h	;child terminated abnormally
pf_noctls	equ	01000h	;control S not allowed
pf_dskld	equ	02000h	;process was loaded from disk

		eject


;************************************************************************
;*									*
;*			Console Control Block				*
;*									*
;************************************************************************
;*
;*	The CCB is used by the system to control the virtual
;*	consoles.  There must be one correctly initialiazed CCB
;*	in the XIOS per virtual	console.
;*
;*	+---------+---------+---------+---------+
;*  00	|      owner        |      reserved	|
;*	+---------+---------+---------+---------+
;*  04	|                reserved               |
;*	+---------+---------+---------+---------+
;*  08	|  mimic  |      reserved               |
;*	+---------+---------+---------+---------+
;*  0C	|      reserved     |       state       |
;*	+---------+---------+---------+---------+
;*  10  |     maxbufsiz     |     reserved      |
;*	+---------+---------+---------+---------+
;*  14  |               reserved                |
;*      +---------+---------+---------+---------+
;*  18  |               reserved                |
;*      +---------+---------+---------+---------+
;*  1C  |               reserved                |
;*      +---------+---------+---------+---------+
;*  20  |               reserved                |
;*      +---------+---------+---------+---------+
;*  24  |               reserved                |
;*      +---------+---------+---------+---------+
;*  28  |               reserved                |
;*      +---------+---------+---------+---------+
;*
;*
;*
;*	owner	- current owner of device
;*		  if 0, no owner
;*	mimic	- list dev that mimics us.
;*		  0ffh means no mimic device
;*	state	- current state of virtual console
;*	maxbufsiz - maximum file size for buffered mode
		eject
c_owner		equ	word ptr 00h
c_mimic		equ	byte ptr 08h
c_state		equ	word ptr 0Eh
c_maxbufsiz	equ	word ptr 10h
ccblen		equ	2ch

;CCB state flags

csm_buffered	equ	00001h
csm_background	equ	00002h
csm_purging	equ	00004h
csm_noswitch	equ	00008h
csm_abort	equ	00020h
csm_filefull	equ	00040h
csm_ctrlS	equ	00080h
csm_ctrlO	equ	00100h
csm_ctrlP	equ	00200h
		eject

;************************************************************************
;*									*
;*			Memory Descriptor				*
;*									*
;************************************************************************

;*	GENCCPM creates an MD per memory partition specified,
;*	links them together and roots the list at the Memory Free
;*	list location in SYSDAT.
;*	The XIOS in the INIT: routine can trim this list to
;*	be in the bounds of actual memory

;*	+---------+---------+---------+---------+
;*  04	|       link        |       start       |
;*	+---------+---------+---------+---------+
;*  08	|      length       |      reserved     |
;*	+---------+---------+---------+---------+
;*  0C  |      reserved     |
;*      +-------------------+

;*	link	- offset of next MD, 0 if end of list
;*	start	- beginning paragraph of free memory
;*	length	- size of partition in paragraphs

md_link		equ	word ptr 0
md_start	equ	word ptr md_link + word
md_length	equ	word ptr md_start + word
mdlen		equ	md_length + 4
	EJECT 
;************************************************************************
;*									*
;*		SCREEN STRUCTURES					*
;*		4/7/83 dwg						*
;************************************************************************

;	Each virtual console has a structure of the following
;	format associated with it.  (SS = Screen Structure)
;	The data in this structure is dependent on the type of screen
;	supported and any escape sequence handling in IO_CONOUT.
;	Note: SS_CURSOR is the byte offset of the cursor relative
;	to the screen segment.  SS_ROW, SS_COLUMN are relative to 0
;	and are	word offsets, i.e., if SS_ROW is 0 and SS_COLUMN is 1,
;	they refer to bytes 2 and 3 in the video RAM or a background
;	screen's data area.

num_pf_keys		equ	17	; f1 - f12, left rght ulft up dn
pfk_entry_length	equ	20	; max bytes in function string	

ss_cursor	equ	word ptr 0			;points at data/attrib
ss_oldcursor	equ	word ptr ss_cursor + word
ss_escape	equ	word ptr ss_oldcursor + word	;escape routine to return to
ss_screen_seg	equ	word ptr ss_escape + word	;data for screen image
ss_xy		equ	word ptr ss_screen_seg + word	;overlay row, col
ss_row		equ	byte ptr ss_xy			;current row
ss_column	equ	byte ptr ss_row + byte		;current col
ss_oldxy	equ	word ptr ss_xy + word		;overlay old row, col
ss_oldrow	equ	byte ptr ss_oldxy		;old row
ss_oldcolumn	equ	byte ptr ss_oldxy + byte	;old col
ss_attribute	equ	byte ptr ss_oldxy + word
ss_mode		equ	byte ptr ss_attribute + byte

; the following items were added to provide flexibility for the future
ss_const	equ	word ptr ss_mode + byte	
ss_conin	equ	word ptr ss_const + word

; the following items were added in support of function key expansion
ss_pfk_offset	equ	word ptr ss_conin + word
ss_pfk_base	equ	word ptr ss_pfk_offset + word

; the following items were added in support of escape sequence switching
ss_sp_ch_tab	equ	word ptr ss_pfk_base + word
ss_sp_fn_tab	equ	word ptr ss_sp_ch_tab + word
ss_esc_tab	equ	word ptr ss_sp_fn_tab + word
ss_escfun_tab	equ	word ptr ss_esc_tab + word

; the following items were added in support of esc seq pgmg of func keys 
ss_fpgm_off	equ	word ptr ss_escfun_tab + word
ss_fpgm_count	equ	byte ptr ss_fpgm_off + word

; the following items were added in support of non-contention for
; the function key table and the shunt resource which is used both by
; the conin_pfk_activity and the escape seq function inq.
ss_shunt	equ	byte ptr ss_fpgm_count+ byte
ss_fun_wrt_lock	equ	byte ptr ss_shunt+byte

ss_len		equ	ss_fun_wrt_lock + byte

;	ss_mode byte bit values

ssm_reverse	equ	00000001B	;1 = if reverse video
					;0 = in normal
ssm_no_wrap	equ	00000010B	;0 = wrap at EOL, 1 = discard
ssm_no_cursor	equ	00000100B	;0 = cursor, 1 = cursor
ssm_log		equ	00001000B	;0 = normal, 1 = data log
ssm_numlock	equ	00010000B	;1 = numlock on
ssm_capslock	equ	00100000B	;1 = capslock on
	EJECT 
;
; poll.equ
;
; polling numbers for rtm poll
;

listst_poll_no		equ	0
const_poll_no		equ	listst_poll_no+1
diskst1_poll_no		equ	const_poll_no+1
diskst2_poll_no		equ	diskst1_poll_no+1
co_poll_no		equ	diskst2_poll_no+1
serial_inp_poll_no	equ	co_poll_no+1
serial_out_poll_no	equ	serial_inp_poll_no+1
conin_shunt_poll_no	equ	serial_out_poll_no+1

	EJECT 

;  Read and Write disk parameter equates
;
;  At the disk read and write function entrys
;   all disk I/O parameters are on the stack
;   and the stack at these entrys appears as
;   follows:
;
;           +-------+-------+
;       +14 |  DRV  | MCNT  |   Drive and Multi sector count
;           +-------+-------+
;       +12 |     TRACK     |   Track number
;           +-------+-------+
;       +10 |    SECTOR     |   Physical sector number
;           +-------+-------+
;        +8 |    DMA_SEG    |   DMA segment 
;           +-------+-------+
;        +6 |    DMA_OFF    |   DMA offset
;           +-------+-------+
;        +4 |    RET_SEG    |   BDOS return segment
;           +-------+-------+
;        +2 |    RET_OFF    |   BDOS return offset
;           +-------+-------+
;      SP+0 |    RET_ADR    |   Local entry return address
;           +-------+-------+
;
;  These parameters may be indexed and modifide
;   directly on the stack and will be removed
;   by the BDOS after the function is complete

drive		equ	byte ptr 14[bp]
mcnt		equ	byte ptr 15[bp]
track		equ	word ptr 12[bp]
sector		equ	word ptr 10[bp]
rwdmaseg	equ	word ptr 8[bp]
rwdmaoff	equ	word ptr 6[bp]

xlt	equ	0	;tranalation table offset in dph
dpb	equ	8	;disk parameter block offset in dph
spt	equ	0	;sectors per track offset in dpb
psh	equ	15	;physical shift factor offset in dpb

mf	equ	byte ptr 5

eject

;	ERROR SYSTEM EQUATES

PATH_ENTRY	EQU	word ptr 0
PATH_EXIT	EQU	word ptr 2

LAST_RETRY	EQU	word ptr 4
LAST_RETURN	EQU	word ptr 6

USE		EQU	word ptr 8
RETRY_SUM	EQU	word ptr 10
RETRY1_SUM	EQU	word ptr 12
RECAL_SUM	EQU	word ptr 14

PATH_ONLY	EQU	4		; STRUCTURES SIZES
PATH_RETRY	EQU	8
PATH_RETRY_HIST	EQU	16		; the extra bytes are for sid's display


FIRST_CALL_FLAG	EQU	01H
; end of ccpmxios.equ