;
;	Disk and CP/M constants
;
BDOS	EQU	0224	;Basic Disk Operating System int vector
TBUFF	EQU	80h	;Default disk buffer
BUFF	EQU	80h
TPA	EQU	100h	;Temporary Program Area
;
FCB	EQU	5Ch	;CP/M default FCB (starts with drive #)
FCBFN	EQU	FCB+1	;File name
FCBFT	EQU	FCB+9	;File type
FCBRL	EQU	FCB+12	;Reel number (extension)
FCBRC	EQU	FCB+15	;Last written record in reel
FCBCR	EQU	FCB+32	;Current record count
FCBRRCD	EQU	FCB+33	;Random access record number (3 bytes)
;
;	CBIOS Vector offsets (put in register "A" and call "CBIOS" routine).
;
CONSX	EQU	02	;Console status
CONIX	EQU	03	;Console input
CONOX	EQU	04	;Console output
; Disk bios calls should not be used in MP/M
SELDDX	EQU	09	;Select drive
SETTKX	EQU	10	;Set track
SETSCX	EQU	11	;Set sector
READSCX	EQU	13	;Read a sector
WRTSECX	EQU	14	;Write a sector
LISTSTA	EQU	15	;List output ready status
XLSECX	EQU	16	;Translate logical to physical sector
;
; BDOS function call numbers (put in register "C")
;
WBOOTX	EQU	0	;Warm boot function through BDOS
ECHOCI	EQU	1	;Console input with echo of character
BDOSCO	EQU	2	;Console output with BDOS functions
RDRIN	EQU	3	;Input from logical reader device
PNCOUT	EQU	4	;Output to logical punch device
LISTOUT	EQU	5	;Output to logical list device
BDCICO	EQU	6	;Direct console input/output
GETIOB	EQU	7	;Get I/O byte
SETIOB	EQU	8	;Set I/O byte
SENDSTR	EQU	9	;Output string to console
READSTR	EQU	10	;Read string from console
BDCISTA	EQU	11	;Get console input status
GETVERS	EQU	12	;Get CP/M or MP/M version number
DRVINIT	EQU	13	;Re-initialize disk system (only A: logged in)
LOGIN	EQU	14	;Log-in specified drive
OPENF	EQU	15	;Open file
CLOSE	EQU	16	;Close file
SCRH	EQU	17	;Search for file
SCRHN	EQU	18	;Search for next file
DELET	EQU	19	;Delete file
RNEXT	EQU	20	;Read next record
WNEXT	EQU	21	;Write next record
MAKE	EQU	22	;Create file
RENAM	EQU	23	;Rename file
GLOGVEC EQU	24	;Get login vector
GETDSK	EQU	25	;Get current disk # (Default drive in use)
SETDMAO	EQU	26	;Set direct memory access offset address
ALLOC	EQU	27	;Get allocation vector (Disk usage bitmap)
GETRO	EQU	28	;Get read only vector
WRTPRO	EQU	29	;Write protect disk
SETATTR	EQU	30	;Set file attributes
GTDPB	EQU	31	;Get DPB (Disk Parameter Block) address
USER	EQU	32	;Get/Set user #
RDRAND	EQU	33	;Read random
WRTRAND	EQU	34	;Write random
CFILEZ	EQU	35	;Compute file size
SETRAND	EQU	36	;Set random record number
RESDRV	EQU	37	;Reset drive (for re-log without affecting "A:")
ACSDRV	EQU	38	;Access drive
FREDRV	EQU	39	;Free a particular drive
WRTRAN0	EQU	40	;Write random with zero fill
TSTWRT	EQU	41	;Test and write record
LOCKRC	EQU	42	;Lock a record
UNLOCK	EQU	43	;Unlock a record
MULTSEC	EQU	44	;Set number of records to transfer
SETERR	EQU	45	;Set Bdos error mode
DISKFRE	EQU	46	;Get disk free space
CHAIN	EQU	47	;Chain to program
SFLUSH	EQU	48	;Flush buffers
DIRBIOS	EQU	50	;Direct CBIOS call
SETBASE	EQU	51	;Set DMA base register
GETBASE	EQU	52	;Get current DMA base
MAXMEM	EQU	53	;Get Maximum amount of memory in system
ABSMAX	EQU	54	;Get absolute max memory
ALLCMEM	EQU	55	;Allocate memory region
ALLCABS	EQU	56	;Allocate absolute memory region
FREEMEM	EQU	57	;Free a memory segment
FREEALL	EQU	58	;Free all memory
PROGLD	EQU	59	;Program load
;
POLL	EQU	131	;Poll for event
FLGWAIT	EQU	132	;Flag set 
FLGSET	EQU	133	;Flag wait
MAKQUE	EQU	134	;Make system queue
OPENQ	EQU	135	;Open a system queue
DELTQUE	EQU	136	;Delete a system queue 
READQUE	EQU	137	;Unconditionally read queue
CONRDQ	EQU	138	;Conditionally read queue
WRTQUE	EQU	139	;Unconditionally write queue
CONWRTQ	EQU	140	;Conditionally write queue
S_DELAY	EQU	141	;MPM delay function
SDISPATCH EQU	142	;System dispatch
TERMINATE EQU	143	;Terminate a process
GETSYS	EQU	154	;Get system data page segment/offset 
;
; Offset for process descriptor
PDFLAG	EQU	6	;
PDNAME	EQU	8
PDUDA	EQU	10H
PDCNS	EQU	20H	;Default console number
;
PFKEEP	EQU	2	;Process KEEP flag bit in PDFLAG
;
; Memory descriptor offsets
MD_LINK	EQU	0	;Link to next MD
MD_BEG	EQU	2	;Start of segment
MD_SIZE	EQU	4	;Size of segment
MD_RES0	EQU	6	;Reserved by MP/M
MD_RES1	EQU	8	;Reserved by MP/M
MD_LEN	EQU	10	;Length of memory descriptor
;