Atari 400 Technical Reference Manual page 265

£RR LIN£ ADDR Bl B2 B3 B4
118
119
120 0045
121 004B
122 0053
123 0050
124 0043
125 004D
126 0044
127
128
129 009B
130
131
132
133
134 0001
135
136 0080
137 0081
138 0082
139 0083
140 0084
141 0085
142 0086
143 .0087
144 0089
145 0089
146 008A
147 008B
148 008C
149 008D
150 008£
151 008F
152
153 0090
154 0091
155 0092
156 0093
157
158
159
160
161
162
163
164
165
166 0000
167
168
169 0002
170 0004
171 0006
6500 ASS£MBLER V£R 1.0MR
DEVICE NAMES
SCREDT 'E
KBD 'K
DISPLY
's
PRINTR 'P
CASSET
= 'c
MODEM = 'M
DISK
=
'D
iSCREEN EDITOR (R/W)
iKEYBOARD (R ONLY)
iSCREEN DISPLAY (R/W)
iPRINTER (W ONLY)
iCASSETTE
i
MODEM
i
DISK (R/W)
i
SYSTEM EOL (CARRIAGE RETURN)
CR $9B
OPERATING SYSTEM STATUS CODES
SUCCES
=
$01 iSUCCESSFUL OPERATION
iBREAK KEY ABORT
i
IOCB ALREADY OPEN
iNON-EXISTANT DEVICE
i
IOCB OPENED FOR WRITE ONLY
i
INVALID COMMAND
iDEVICE OR FILE NOT OPEN
i
INVALID IOCB NUMBER
i
IOCB OPENED FOR READ ONLY
iEND OF FILE
iTRUNCATED RECORD
iPERIPHERAL DEVICE TIME OUT
PAGE
BRKABT =
PRVOPN
NONDEV
=
WRONLY =
NVALID
NOTOPN =
BADIOC
RDONLY
=
EOFERR
TRNRCD
TIMOUT =
DNACK
FRMERR
CRSROR
=
OVRRUN =
CHKERR =
$80
$81
$82
$83
$84
$85
$86
$87
$88
$89
$8A
$8B
$8C
$8D
$8E
$8F
iDEVICE DOES NOT ACKNOWLEDGE COMMAND
iSERIAL BUS FRAMING ERROR
iCURSOR OVERRANGE
iSERIAL BUS DATA OVERRUN
iSERIAL BUS CHECKSUM ERROR
4
DERROR
BADMOD =
FNCNOT
=
SCRMEM
=
$90
$91
$92
$93
iPERIPHERAL DEVICE ERROR (OPERATION NOT COMP
iBAD SCREEN MODE NUMBER
iFUNCTION NOT IMPLEMENTED IN HANDLER
i
INSUFICIENT MEMORY FOR SCREEN MODE
PAGE ZERO RAM ASSIGNMENTS
*=$0000
LINZBS: .RES 2
iLINBUG RAM (WILL BE REPLACED BY MONITOR RAM
i
THESE LOCATIONS ARE NOT CLEARED
CASINI: .RES 2 iCASSETTE INIT LOCATION
RAMLO: . RES 2 iRAM POINTER FOR MEMORY TEST
TRAMSZ: .RES 1 iTEMPORARY REGISTER FOR RAM SIZE