Trailing-Edge
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PDP-10 Archives
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BB-T573C-DD_1986
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2,5/rdreg.hlp
There are 9 other files named rdreg.hlp in the archive. Click here to see a list.
RDREG is a general purpose program to read and interpret the Massbus
registers in a device connected to an RH20. As such it is useful for
debugging hardware and software problems related to such devices.
RDREG can be assembled to run under both the TOPS-10 and TOPS-20 operating
systems based on a parameter in the universal file RDRREG. The program
itself is totally table driven based on tables in the universal file DEFS.
At present, universal files exist only for the DX20 (DX20.MAC). This file,
when assembled, creates DEFS.UNV that RDREG searches.
To build a program that reads and interpretes DX20 Massbus registers, you
must assemble RDRMAC.MAC, DX20.MAC, and RDREG.MAC in the following manner.
First, insure that the parameter "TOPS" in RDRMAC is correct for your type
of operating system, i.e., 20 for TOPS-20 or 10 for TOPS-10. Then assemble
RDRMAC.MAC to produce the universal file RDRMAC.UNV.
Second, assemble the device specific macro definitions file (in this case,
DX20.MAC). Note that the result from this assemble is DEFS.UNV; it does not
have the same name as the source file.
Finally, assemble RDREG.MAC. RDREG will search both RDRMAC.UNV and
DEFS.UNV. The result (RDREG.REL) should now be loaded and saved with the
name of the type of device it was assembled for, e.g., DX20.EXE for a
program that interprets DX20 Massbus registers.
The program must be run with WHEEL or OPERATOR capabilities enabled on
TOPS-20 and TRPSET privileges on TOPS-10. When the program is run, it asks
for the RH20 device code of the RH20 that controls the device. On a
multi-processor TOPS-10 system, RDREG will also ask for the CPU number to
which the DX20 is connected. You can find out what the answers to these
questions should be by asking your field service people. RDREG then reads
and interprets the Massbus registers for the specified device.
You should always run this program on a hard copy terminal so that the
output can be saved for future reference. In addition, the output should be
annotated with the date and time and the reason the program was run, i.e.,
describe the symptoms that caused you to run the program.
An example of the output produced by this program when run on a TOPS-20
system is as follows:
@ENABLE
$RUN DX20
RH20 device code: 560
Rg Name Contents Text
-- ---- -------------- ----------------------------------------
CONI 000000,,002445 Chan rdy,MBE,AIE,PI=5
0 CR 000600,,200006 Fnc=6
1 SR 010600,,230000 Link present,MP run
2 ER 020600,,210400 Error class=1,Sub-class=1
3 MR 030600,,000004 MP start
4 AS 040600,,200000 Attentions=0
6 DT 060600,,250060 Drive type=60
20 GPR0 200600,,000023 Status index=23
21 GPR1 210600,,000013 Drive number=13,Drive mode=0,Data mode=0
22 GPR2 220600,,200120 Size of EST=120
23 GPR3 230600,,200000 TIE byte=0
24 GPR4 240600,,200000 Drive=0
25 GPR5 250600,,200000 Byte count=0
26 GPR6 260600,,203413 Extended status 0=3413
27 GPR7 270600,,200000 Extended status 1=0
30 DIA0 300600,,002011 Microcontroller instruction register=2011
31 DIA1 310600,,130035 IR enable,PC enable,PC auto increment,PC=35
32 DIA2 320600,,200401 ALU B input=1,ALU A input=1
33 DIA3 330600,,310220 Source ROM outputs=220,Destination ROM outputs=220
34 DIA4 340600,,205660 FROM7-FROM0=13,IR par,AC par,SMUX par,UBUS int=0
35 DIA5 350600,,201400 BALU7-BALU0=3,MEM7-MEM0=0
36 DIA6 360600,,200000 IMUX7-IMUX0=0,BR7-BR0=0
37 DIA7 370600,,200003 MA9-MA0=3
70 SBAR 700000,,172742 Byte count=5036
71 STCR 712200,,177761 Block count=1,Command=61
72 PBAR 720000,,172742 Byte count=5036
73 PTCR 732200,,177761 Block count=1,Command=61
74 IVIR 740000,,000023 EPT relative interrupt offset=23
An example of the output produced by this program when run on a
multi-processor TOPS-10 system is as follows:
.RUN DX20
RH20 device code: 554
CPU number: 1
Rg Name Contents Text
-- ---- -------------- ----------------------------------------
CONI 000000,,002445 Chan rdy,MBE,AIE,PI=5
0 CR 000600,,200006 Fnc=6
1 SR 010600,,230000 Link present,MP run
2 ER 020600,,210400 Error class=1,Sub-class=1
3 MR 030600,,000004 MP start
4 AS 040600,,200000 Attentions=0
6 DT 060600,,250060 Drive type=60
20 GPR0 200600,,000023 Status index=23
21 GPR1 210600,,000013 Drive number=13,Drive mode=0,Data mode=0
22 GPR2 220600,,200120 Size of EST=120
23 GPR3 230600,,200000 TIE byte=0
24 GPR4 240600,,200000 Drive=0
25 GPR5 250600,,200000 Byte count=0
26 GPR6 260600,,203413 Extended status 0=3413
27 GPR7 270600,,200000 Extended status 1=0
30 DIA0 300600,,002011 Microcontroller instruction register=2011
31 DIA1 310600,,130035 IR enable,PC enable,PC auto increment,PC=35
32 DIA2 320600,,200401 ALU B input=1,ALU A input=1
33 DIA3 330600,,310220 Source ROM outputs=220,Destination ROM outputs=220
34 DIA4 340600,,205660 FROM7-FROM0=13,IR par,AC par,SMUX par,UBUS int=0
35 DIA5 350600,,201400 BALU7-BALU0=3,MEM7-MEM0=0
36 DIA6 360600,,200000 IMUX7-IMUX0=0,BR7-BR0=0
37 DIA7 370600,,200003 MA9-MA0=3
70 SBAR 700000,,172742 Byte count=5036
71 STCR 712200,,177761 Block count=1,Command=61
72 PBAR 720000,,172742 Byte count=5036
73 PTCR 732200,,177761 Block count=1,Command=61
74 IVIR 740000,,000023 EPT relative interrupt offset=23