The memory management toggle-in passes (see /devices/pdp11/machine/1170/panel/debugger)
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Jeff
Jeff Parsons
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7 changed files with 222 additions and 178 deletions
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@ -9,3 +9,98 @@ machines:
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---
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{% include machine.html id="test1170" %}
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Toggle-Ins
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----------
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From the [PDP-11/70 Maintenance Service Guide](http://archive.pcjs.org/pubs/dec/pdp11/1170/PDP1170_Maintenance_Service_Guide_Apr88.pdf),
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Chapter 4:
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There are several useful toggle-ins that are probably not very well known. They are as follows:
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Memory Management
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Use the following toggle-in to verify the correct operation of Memory Management Relocation.
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200/012737 MOV #400,@#177572 (load maint. bit in MMRO)
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202/000400
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204/177572
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206/012737 MOV #070707,@#200 (move 070707 to virtual 200)
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210/070707
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212/000200
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214/000000 HLT
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300/000300 Preset loc 300 to 300
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17772300/077406 Set Kernel I PDR 0 to R/W 4K page
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17772340/000001 Set Kernel I PAR 0 to (Base address 100)
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Load Address 200
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Start Display = 000216 (Halt@214)
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Load Address 300
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Exam Display = 070707 ... Relocation works
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With the PDPjs Debugger, the above "toggle-in" is more easily entered like so:
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e 200 012737 000400 177572 012737 070707 000200 000000
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e 300 000300
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e 17772300 077406
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e 17772340 000001
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r pc 200
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The "g" command should produce these results:
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>> e 200 012737 000400 177572 012737 070707 000200 000000
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changing 000200 from 00000 to 12737
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changing 000202 from 00000 to 00400
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changing 000204 from 00000 to 77572
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changing 000206 from 00000 to 12737
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changing 000210 from 00000 to 70707
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changing 000212 from 00000 to 00200
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changing 000214 from 00000 to 00000
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>> e 300 000300
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changing 000300 from 00000 to 00300
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>> e 17772300 077406
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changing 00017772300 from 00000 to 77406
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>> e 17772340 000001
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changing 00017772340 from 00000 to 00001
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>> r pc 200
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updated registers:
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R0=000000 R1=000000 R2=000000 R3=000000 R4=000000 R5=000000
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SP=000000 PC=000200 PS=000013 SW=00000000 T0 N1 Z0 V1 C1
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000200: 012737 000400 177572 MOV #400,@#177572
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>> g
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running
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stopped (3 instructions, 32 cycles, 9 ms, 3556 hz)
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R0=000000 R1=000000 R2=000000 R3=000000 R4=000000 R5=000000
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SP=000000 PC=000214 PS=000001 SW=00000000 T0 N0 Z0 V0 C1
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000214: 000000 HALT
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>> dw 300 l1
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000300 70707
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---
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Unibus Map Checkout
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Use the following console operating procedure to verify the correct operation of the Unibus Map.
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Load Address 500
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Deposit 125252 Known Data
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Load Address 17000500
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Deposit 125252 Data Path Ok
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Load Address 17000700
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Deposit 070707 Known Data
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Load Address 17770202 Map register 0 Hi
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Deposit 000000 Relocation constant
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Load Address 17770200 Map register 0 Lo
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Deposit 000200 Relocation constant
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Load Address 17772516 MMR3
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Deposit 000040 Enable map
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Load address 17000500 Relocates to 700
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Examine 070707 ... Relocated ok
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@ -8,58 +8,3 @@ PDP-11 Test Panels
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------------------
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* [Terminal Test Panel](terminal.xml) (with [Debugger](debugger/terminal.xml))
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Toggle-Ins
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----------
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From the [PDP-11/70 Maintenance Service Guide](http://archive.pcjs.org/pubs/dec/pdp11/1170/PDP1170_Maintenance_Service_Guide_Apr88.pdf),
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Chapter 4:
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There are several useful toggle-ins that are probably not very well known. They are as follows:
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Memory Management
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Use the following toggle-in to verify the correct operation of Memory Management Relocation.
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200/012737 MOV #400,@#177572 (load maint. bit in MMRO)
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202/000400
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204/177572
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206/012737 MOV #070707,@#200 (move 070707 to virtual 200)
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210/070707
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212/000200
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214/000000 HLT
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300/000300 Preset loc 300 to 300
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17772300/077406 Set Kernal I PDR 0 to R/W 4K page
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17772340/000001 Set Kernal I PAR 0 to (Base address 100)
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Load Address 200
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Start Display = 000216 (Halt@214)
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Load Address 300
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Exam Display = 070707 ... Relocation works
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Unibus Map Checkout
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Use the following console operating procedure to verify the correct operation of the Unibus Map.
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Load Address 500
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Deposit 125252 Known Data
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Load Address 17000500
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Deposit 125252 Data Path Ok
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Load Address 17000700
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Deposit 070707 Known Data
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Load Address 17770202 Map register 0 Hi
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Deposit 000000 Relocation constant
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Load Address 17770200 Map register 0 Lo
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Deposit 000200 Relocation constant
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Load Address 17772516 MMR3
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Deposit 000040 Enable map
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Load address 17000500 Relocates to 700
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Examine 070707 ... Relocated ok
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