;***************************************
;***************************************
;
;    COMMON EQUATES USED BY ALL
;    SUB-SYTEMS OF THE DISK SOFTWARE
;
;***************************************
 ;DEFINE PAGE 0 USAGE
DOSPG0 = $00 ;DOS PAGE 0 BEGINNING
CUPAG0 = $E8 ;BEG ADDR OF PAGE 0 RAM
 ;DEFINE NON-PAGE 0 RAM USEAGE
NMIRAM = $880 ;FOR NMI
DOSRAM = $500 ;DOS WORK AREA START
CURAM = $200 ;BEG ADDR OF CU WORK AREA
CKSM = $200 ;BEG ADDR OF CHK SUM CODE
 ;DEFINE CODE LOCATIONS
 ; CU CODE FOLLOWS BEHIND NMI CODE
CUCODE = $C000 ;BEG ADDR OF CU CODE
DOSCOD = $CE50 ;DOS CODE
FMTCOD = $900 ;ORIGIN ADDR OF FMT CODE
FMTBUF = 16 ;FIRST BUFR FOR FMT
READ = $80 ;READ CMD
WRITE = $90 ;WRITE CMD
FMTCMD = $F0 ;FORMAT A TRACK CMD
BUMP = $C0 ;RESTORE CMD
SNSCMD = $B0 ;REQUEST SENSE CMD
WVERFY = $A0 ;VERIFY CMD
VOLTRK = 0 ;VOLUME LABEL TRACK
VOLSEC = 1 ;VOLUME LABEL SECTOR
FMTDRV = 04 ;FORMAT HARD DISK CMD
;
;
 .END
