1 /1 DF32 NON SYSTEM HANDLER
11 /COPYRIGHT (C) 1974,1975 BY DIGITAL EQUIPMENT CORPORATION
22 /THE INFORMATION IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE
23 /AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
24 /CORPORATION. DIGITAL EQUIPMENT CORPORATION ASSUMES NO RESPONSIBILITY
25 /FOR ANY ERRORS THAT MAY APPEAR IN THIS DOCUMENT.
27 /THE SOFTWARE DESCRIBED IN THIS DOCUMENT IS FURNISHED TO THE PURCHASER
28 /UNDER A LICENSE FOR USE ON A SINGLE COMPUTER SYSTEM AND CAN BE COPIED
29 /(WITH INCLUSION OF DIGITAL'S COPYRIGHT NOTICE) ONLY FOR USE IN SUCH
30 /SYSTEM, EXCEPT AS MAY OTHERWISE BE PROVIDED IN WRITING BY DIGITAL.
32 /DIGITAL EQUIPMENT CORPORATION ASSUMES NO RESPONSIBILITY FOR THE USE
33 /OR RELIABILITY OF ITS SOFTWARE ON EQUIPMENT THAT IS NOT SUPPLIED BY
48 RF08=0 /CHANGE TO 1 FOR RF08 HANDLER
50 /THE NUMBER OF PLATTERS MUST EITHER BE SET AT ASSEMBLY TIME,
51 /OR MUST BE CHANGED VIA THE ALTER COMMAND IN BUILD
57 DEVICE RF;DEVICE RF;4064;RF&177;ZBLOCK 2
60 DEVICE DF;DEVICE DF;4124;DF&177;ZBLOCK 2
69 SYSER, CLA CLL CML RAR /4000
70 ISZ SYSCNT /TRY AGAIN?
72 JMP SFIELD /WHY BOTHER
75 DCA RF /RESET PARAMETERS AND TRY AGAIN
82 IFZERO RF08 <S3700, 3700>
83 IFNZRO RF08 <S377, 0377>
87 IFNZRO .-224 <ADRERR,QQQQ> /ENTRY PT MUST BE RELATIVE 24
91 DCA SYSCNT /# TRYS ON ERROR
92 RETRY, TAD I RF /HANDLER RUNS IN USER'S DATA FIELD
96 DCA SFUN /EITHER A READ OR WRITE
99 DCA SFIELD /GET FIELD OF BUFFER
104 DCA T1 /SET UP WORD COUNT
108 DCA T2 /BUFFER ADDRESS-1
118 RESRDF, HLT /RESTORE USER'S DATA FIELD
125 6615 /LOAD DISK EXTENDED MEMORY
132 6643 /LOAD HIGH ORDER
139 SFUN, HLT /BECOMES DISK IOT.(READ OR WRITE)
152 CIF CDF 0 /RETURN TO OS/8 IF USER TYPED ^C
156 IFNZRO RF08 <SKP /SENSE OF SKIP IS REVERSED>
159 SFIELD, HLT /RETURN TO PROPER FIELD
160 6601 /CLEAR TROUBLESOME FLAG