Texas Instruments 990 Operation Manual page 160

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point for the other character string if the string is specified in the command. If a record with a matching
name is found, the record is stored for use by the program.
The Standard Control Information Cassette and its contents are explained in paragraph 7.2.2 and
AppendixG.
Error messages:
PPO I Required parameter missing.
PP03 Bit string widths of memory and PROM configurations do not
match.
PP04 Specified record not found on Standard Control Information Cassette.
Application note: If the two character strings specify control information for data configurations both
in ROM or both in memory, the control information of the second configuration encountered on the
cassette overrides the first.
Example:
.PS,MS287-0,S287
This command causes the Standard Control Information Cassette to be searched for records containing
the control information for memory configuration MS287-0 and PROM configuration S287.
7.5.2 PROM PROGRAMMER (PP). The PROM Programmer command is followed by PROM
Programmer sub commands and allows the operator to control the PROM programming process.
Syntax definition:
PP {b' ... } <subcommand>
The command is terminated by a carriage return. The command is followed by a subcommand and the
appropriate parameters. Refer to the descriptions of the individual subcommands for the syntax
definitions.
Parameter:
subcommand Subcommand used with the PP command.
Description: The PROM programming functions are explained in the descriptions of the individual
sub commands.
7.5.3 PROM PROGRAMMER SUBCOMMANDS. The following paragraphs contain detailed
descriptions of the PROM Programmer subcommands.
7.5 .3.1 Define Memory Bounds (MB). The Define Memory Bounds subcommand informs the control
software of the lower and upper bounds of the memory data to be used in the programming process.
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Digital Systems Division