;********************************
;*	CP/M DISK WORK SPACE	*
;********************************
    DSEG 0
	ORG  REUSE  ;Space recovered from code used only at cold boot time
;
ALV@A	RS	ALVZA		;Drive A: allocation vector reserved space
ALV@B	RS	ALVZB		;Drive B:
ALV@C	RS	ALVZC		;Drive C:
ALV@D	RS	ALVZD		;Drive D:
ALV@E	RS	ALVZE		;Drive E:
ALV@F	RS	ALVZF		;Drive F:
ALV@G	RS	ALVZG		;Drive G:
ALV@H	RS	ALVZH		;Drive H:
ALV@I	RS	ALVZI		;Drive I:
ALV@J	RS	ALVZJ		;Drive J:
ALV@K	RS	ALVZK		;Drive K:
ALV@L	RS	ALVZL		;Drive L:
ALV@M	RS	ALVZM		;Drive M:
;
CSV@A	RS	CSVZA		;Drive A: checksum vector reserved space
CSV@B	RS	CSVZB		;Drive B:
CSV@C	RS	CSVZC		;Drive C:
CSV@D	RS	CSVZD		;Drive D:
CSV@E	RS	CSVZE		;Drive E:
CSV@F	RS	CSVZF		;Drive F:
CSV@G	RS	CSVZG		;Drive G:
CSV@H	RS	CSVZH		;Drive H:
CSV@I	RS	CSVZI		;Drive I:
CSV@J	RS	CSVZJ		;Drive J:
CSV@K	RS	CSVZK		;Drive K:
CSV@L	RS	CSVZL		;Drive L:
CSV@M	RS	CSVZM		;Drive M:
;
;-------------------------------
    if (DISK2 and not LOADER)	;Disk 2 controller storage containing
RELTBL0	RS	D2_SCNT * 3	;Sector relocation tables for respective units
      if DISK2X
RELTBL1	RS	D2_SCNT * 3	;Unit 1
      endif
      if DISK2Y
RELTBL2	RS	D2_SCNT * 3	;Unit 2
      endif
      if DISK2Z
RELTBL3	RS	D2_SCNT * 3	;Unit 3
      endif
    endif
;
CIOPL	EQU	9
CIOPB	RS	CIOPL	;Disk command buffer
TEMPBF	RS	8	;Result status cells
;
ENDWORK	RS	0	;End of workspace below block buffers
DIRBUF	RS	128	;Directory buffer
;
BUFPAGE EQU  ((Offset $)+255)/256 ;Place directory, host buffer on page
	ORG	BUFPAGE * 256	;-- fixed 256 byte boundary
;
; Host buffer for TRACK blocking/deblocking area.
TRKBUF	RS  8 * 1024	;Maximum sectors * maximum sector size = track
			; buffer of 8K for 8 inch floppy disk
;
    if LOADER
SECBUF	EQU	TRKBUF	;Sector buffer area for Hard Disk blocking/deblocking
    endif
    if ((DISK2 or DISK3) and not LOADER)
SECBUF	RS  1 * 1024	;Sector buffer area for Hard Disk blocking/deblocking
    endif
;
XDIRBUF	EQU  (offset $)
	RS	128	;Initial stack area (used only for cold boot)
ISTACK	RS	0	;Stack pointer starts here
;
	ORG  XDIRBUF
    if (FDXBUF and not LOADER)
      if FLOPPY8
DIRFD0	RS  8 * 1024	;Directory track buffering for floppy unit #0
DIRFD1	RS  8 * 1024	;Directory track buffering for floppy unit #1
      endif
      if FLOPPY5
DIRFD2	RS  5 * 1024	;Directory track buffering for floppy unit #2
DIRFD3	RS  5 * 1024	;Directory track buffering for floppy unit #3
      endif
    endif
;
    if (LOADER or not HDXBUF)
ENDBIOS	EQU  (Offset $)/16	;End of BIOS memory segment value
    endif
    if (HDXBUF and not LOADER)
ENDBIOS	EQU  (Offset $)/16 + (32 * 1024)/16 ;End of BIOS memory segment value
HDDSBUF	RS  32 * 1024	;Directory buffering for Hard Disk drive A:
    endif
;
    if LOADER
      if (ENDCODE lt offset BIOS + (18 * 128))
	ORG	(offset BIOS + (18 * 128) - 1)
	DB	0	;Force Loader BIOS to correct size
      endif
    endif