Texas Instruments 990 Operation Manual page 67

Prototyping system
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J,M _ _ _ _
~-~
,~
945255-9701
Error message:
LOOO Load error.
LOOI Invalid LUNO.
Examples:
.LU
.W7/1BAO
.LU
I I
1 BAO
The ftrst and third examples load froin a default LUNO of 7. The ftrst example loads the
upfront loader at a default bias address IB0
16
bytes below the beginning of the monitor. The
second example has the load LUNO and bias address supplied. The third example has the load
bias supplied.
3.4.9 LOAO PROGRAM IN COMPRESSED ABSOLUTE FORMAT (LA). The Load Program in
Compressed Absolute Format command loads object code that has been stored in a compressed
, absolute format by the Oump in Absolute Format (OP) command. The LA command must be
loaded into the transient area with the OV command before it can be executed.
Syntax definition:
LA [{;, . ..} <tuno>]
The command is terminated by a carriage return.
Parameter:
luno
Logical unit number of the input device.
Parameter default value:
If the logical unit number
is
not specifted,a value of, 7, normally
assigned to tape cassette CS I, is used.
Description:
To execute the LA command, the absolute loader must be resident in the transient
area. If it is not there, it must be loaded as an overlay by using the Load Overlay (OV)
command.
If the load is successful, the module name
is
printed if it was defmed and the entry point
address is placed into the user's PC register. Control is returned to the monitor after a successful
load or if an error occurs. Refer to Section VI for a description of compressed absolute object
code format.
Error messages:
LOOO Load error.
LOOI Invalid LUNO.
MX03 Command not resident in transient area. Load the overlay
,and reenter the command.
3-29
"i/~Digital
Systems Division ,

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