*	BASIC DISK OPERATING SYSTEM CALLS FOR CP/M 2.2		*

BDOS	EQU	0005	;STANDARD DISPATCH ENTRY ADDRESS.
FCB	EQU	5CH	;STANDARD FILE CONTROL BLOCK ADDRESS.
DMADDR	EQU	80H	;DEFAULT DISK/MEMORY ADDRESS.
TPA	EQU	100H	;TRANSIENT PROGRAM AREA.

SYSRST	EQU	0	;SYSTEM RESET.
CONIN	EQU	1	;CONSOLE INPUT.
CONOUT	EQU	2	;CONSOLE OUTPUT.
READER	EQU	3	;READER INPUT.
PUNCH	EQU	4	;PUNCH OUTPUT.
LIST	EQU	5	;LIST OUTPUT.
DCONIO	EQU	6	;DIRECT CONSOLE I/O.
GETIOB	EQU	7	;GET I/O BYTE.
SETIOB	EQU	8	;SET I/O BYTE.
PSTRNG	EQU	9	;PRINT STRING.
RCONBUF	EQU	10	;READ CONSOLE BUFFER.
CONSTAT	EQU	11	;GET CONSOLE STATUS.
GETVERS	EQU	12	;GET VERSION NUMBER.
RESDSK	EQU	13	;RESET DISK SYSTEM.
SELDSK	EQU	14	;SELECT DISK.
OPEN	EQU	15	;OPEN FILE.
CLOSE	EQU	16	;CLOSE FILE.
SRCH1ST	EQU	17	;SEARCH FOR FIRST.
SRCHNXT	EQU	18	;SEARCH FOR NEXT.
DELFIL	EQU	19	;DELETE FILE.
READSEQ	EQU	20	;READ SEQUENTIAL.
WRTSEQ	EQU	21	;WRITE SEQUENTIAL.
MAKEFIL	EQU	22	;MAKE FILE.
RENAME	EQU	23	;RENAME FILE.
LOGINV	EQU	24	;RETURN LOGIN VECTOR.
CURDSK	EQU	25	;RETURN CURRENT DISK.
SETDMA	EQU	26	;SET DISK/MEMORY ADDRESS.
GETADDR	EQU	27	;GET ADDRESS (ALLOCATION).
WRTPROT	EQU	28	;WRITE PROTECT DISK.
GETROV	EQU	29	;GET R/O VECTOR.
SETATRB	EQU	30	;SET FILE ATTRIBUTES.
GETPARM	EQU	31	;GET ADDRESS (DISK PARAMETERS).
USERCOD	EQU	32	;GET/SET USER CODE.
READRAN	EQU	33	;READ RANDOM.
WRTRAN	EQU	34	;WRITE RANDOM.
FILSIZ	EQU	35	;COMPUTE FILE SIZE.
SETRREC	EQU	36	;SET RANDOM RECORD.
RESDRV	EQU	37	;RESET DRIVE.
-			;UNDEFINED.
-			;UNDEFINED.
WRTRAN0	EQU	40	;WRITE RANDOM WITH ZERO FILL.
*	END OF EQUATES		*