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APPENDIX I
0002
0004
0008
0010
0020
0040
0080
0004
0008
0010
0080
0000
0003
0006
0009
OOOC
0000
0001
0003
0005
0006
0008
COOB
OOOD
EBOO
E822
E853
EBSA
E869
EB6D
E86F
E872
E875
EB7B
E87B
E87E
EBBl
E884
A DD$LOG EGU
A DDSCNS
EGU
A nO$RWD EGU
A DD$OCF EQU
A DD$INP EGU
A DDSOUT EGU
A DD$RES EGU
'*
*
C D B V D T
'*
A VD$BIN EGU
A VD$G'DB EGU
A VD$SDA EGU
A VDSNFF EGU
* *
D E V ICE
*
A DV$ON
EGU
A DVSOFF EGU
A
DVSINT EGU
A DV$TRM EGU
A DV$IO
EGU
* *
DIS K
*
A CURDRV EGU
A STRSCT EGU
A
NUMSCT EGU
A LSCTLN EGU
A CURADR EGU
A FDSTAT EGU
A SCTCNT EGU
A SIDES
EGU
* *
E ROM
*
A OSLOAD EGU
A FDINIT EGU
A CHKERR EGU
A PRNTER EGU
A READSC EGU
A READPS EGU
A RDCRC
EGU
A RWTEST EGU
A RESTOR EGU
A SEEK
EGU
A WRTEST EGU
A WRDDAM EGU
A WRVERF EGU
A WRITSC EGU
'* *
E ROM
'*
7.00000010
7'00000100
7.00001000
h00010000 .
X00100000 .
~01000000
.
7.10000000 .
MDOS09 Equate File Listing
LOGICAL SECTOR 110 FLAG
CONSOLE
FLAQ
REWIND
FL'AG
OPEN/CLOSE FLAG
INPUT DEVICE FLAG
OUTPUT DEVICE FLAG
RESERVABLE DEVICE FLAG
BIT
D E FIN I T ION S
7.00000100 .
BINARY
OB~ECT
FLAG
7.00001000
TEMP
GDB POINTER
FLAG
7.00010000
TEMP SDA
POINTER
FLAG
7.10000000
NON-FILE FORMAT FLAG
o
3
6
9
12
D R I V
E ROM
o
1
3
5
6
8
11
$D
E N
TRY
$EBOO
$E822
$E853
$E85A
$E869
$E86D
$E86F
SE872
$E875
$E878
$E87B
$E87E
SEBSl
$E884
ERR
a
R
C'
0
....
I "
E N TRY
DEVICE
ON OFFSET
DEVICE-OFF OFFSET
OFF SET S
DEVICE INTIALIZATION OFFSET
DEVICE
TERMINATION OFFSET
DEVICE CHARACTER INPUT/OUTPUT OFF
E G U
ATE
5
CURRENT DRIVE NUMBER
STARTING PHYSICAL SECTOR NUMBER
NUMBER
OF SECTORS TO
OPERATE UPON
#
OF BYTES TO READ FROM LAST SECTOR
MEMORY
ADDRESS
FOR
DISK TRANSFER
DISK TRANSFER STATUS
SECTOR COUNT USED IN DETERMINING E
- ->SINGLEi
+
-> DOUBLE SIDED
POI N T S
BOOTSTRAP THE OPERATING SYSTEM
INITIALIZE
THE
DISK'S PIA AND
SSDA
CHECK AND PRINT ERROR FROM FDSTAT
PRINT
ERROR
FROM FDSTAT
READ
SECTOR(S)
READ PARTIAL SECTOR
READ AND
CHEC~
FOR eRC
WRITE/READ TEST
MOVE HEAD
TO TRACK
0
POSITION HEAD TO TRACK OF "STRSCT"
WRITE TEST
WRITE DELETED DATA MARK
WRITE AND VERIFY CRe
WRITE SECTOR(S)
E G U ATE S
Page
I-19
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