UM0144 datasheet(25/92 Pages) STMICROELECTRONICS

25 / 92 page

ST7 Assembler Linker

3 ST7 Assembler

UM0144

25/92

For example:

The values for labels lab1, lab2, lab3, lab4, and lab5 are 12, 12, 1A, 1A and 1E,

respectively.

Note:

Since you can't specify both at and common combines simultaneously, the only way to specify

the exact location of commons is to insert an empty at combine segment before the first

common

declaration.

For example:

cod

parameter, output file control

The last field of a SEGMENT directive controls where the linker places the code for a given

class. When introducing a class, if this field is not specified, the code for this class will be sent

to the normal, default.COD file by the linker. If the [cod] file is given a number between 0 and

then all code generated under the class being introduced will be sent to a different '.COD' file

by the linker.

If the linker produces a file called 'prog.cod', for example, then all code produced under

classes with no [cod] field will go into that file, as normal.

st7/

dat1

segment byte at: 10 'DATA'

ds.w

com1

segment common 'DATA'

.lab1

ds.w 4

com1

segment common 'DATA'

.lab2

ds.w 2

com2

segment common 'DATA'

.lab3

ds.w

com2

segment common 'DATA'

.lab4

ds.w 2

dat2

segment 'DATA'

.lab5

ds.w 2

end

com1

segment byte at: 10 'DATA'

com1

segment common 'DATA'

...

com1

segment common 'DATA'

...

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