
A period ends the listing of locations in the substitute mode and
returns you to the DDT86 prompt.
-s0C3A
(Typing "s0C3A" puts you in the substitute mode at the
locations of the 8" and 5" floppy disk step rates.)
ZZZZ:0C3A CF
ZZZZ:0C3B 46
ZZZZ:0C3C DF
(8" floppy disk step rate; Values DF=3 ms.,
8F=8 ms.)
(a return will enter the default value)
(5.25" floppy disk step rate; Values are the
same as 8" disks)
ZZZZ:0C3D 1E (enter default value)
(The locations of the SYSTEM SUPPORT I initialization bytes
follow.)
ZZZZ:0C3E EE
ZZZZ:0C3F 7E
ZZZZ:0C40 27
(System Support 1, USART mode register 1)
(System Support 1, USART mode register 2,
includes baud rate value)
(System Support 1, USART command register)
(The locations of the I/O CONSOLE TABLE follow.
Instructions on modification of this table are given below.)
ZZZZ:0C41 00
ZZZZ:0C42 08
ZZZZ:0C43 07
ZZZZ:0C44 04
ZZZZ:0C45 03
ZZZZ:0C46 02
ZZZZ:0C47 01
ZZZZ:0C48 0A.
ZZZZ:0C49 0B
ZZZZ:0C4A 0C
ZZZZ:0C4B 0D
ZZZZ:0C4C 0E
ZZZZ:0C4D 0F
ZZZZ:0C4E 10
(Console 0, System Support 1)
(Console 1, Interfacer 3/4, User 7 (8-1=7))
(Console 2, Interfacer 3/4, User 6 (7-1=6))
(Console 3, Interfacer 3/4)
(Console 4, Interfacer 3/4)
(Console 5, Interfacer 3/4)
(Console 6, Interfacer 3/4)
(Console 7, Second Interfacer 3/4, User 09 (0A-
1=09))
(Console 8, Second Interfacer 3/4, User 10)
(Console 9, Second Interfacer 3/4, User 11)
(Console 10, Second Interfacer 3/4, User 12)
(Console 11, Second Interfacer 3/4, User 13)
(Console 12, Second Interfacer 3/4, User 14)
(Console 13, Second Interfacer 3/4, User 15)
(The locations of the LIST DEVICE TABLE follow.
Instructions on modification of this table are given below.)
ZZZZ:0C4F 05
ZZZZ:0C50 06
ZZZZ:0C51 09
ZZZZ:0C52 00
ZZZZ:0C53 00
(Printer 0, Interfacer 3/4, User 4)
(Printer 1, Interfacer 3/4, User 5)
(Printer 2, Interfacer 3/4, User 8; Note that
this is the third entry of the LIST DEVICE TABLE,
and even though it is set up for USART 09, it
will only be significant at boot time if the
value determining the number of printers
[location 0C13] is three or greater.)
(Printer 3)
(Printer 4)
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