UM0144 datasheet(33/92 Pages) STMICROELECTRONICS

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ST7 Assembler Linker

3 ST7 Assembler

UM0144

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D option

Note:

If you specify multiple -D switches, they should always be separated by a space.

I option

Description:

The -D option allows you to specify a string that is to be replaced by another during the assembly.

A blank space or = is required between the string to be replaced and the replacement

string. For example -D <string> 2 is the same as -D <string>=2.

It is possible to specify only one argument (-D <string>). In which case, <string> is

replaced with 1.

This is extremely useful for changing the assembly of a module using #IF directives,

because you can change the value of the #IF tests from the assembler's command line. It

means that you can run the assembler with different -D switches on the same source file,

to produce different codes.

Format:

ASM <file> -D <string> <string>

ASM <file> -D <string>=<string>

ASM <file> -D <string>

Example:

ASM ex1 -D EPROM 2 -D RAM 3

ASM ex1 -D EPROM=2 -D RAM=3

In both cases the string EPROM is replaced with 2. The string RAM is replaced with 3.

ASM ex1 -D EPROM

In this case EPROM is replaced with 1.

Description:

The -I option is used to specify the list of search paths for files that are included (with

#include) or loaded (with #load).

The different paths can be separated by the ; character and the path list must be

enclosed within double quotes. You can also enter multiple include paths by using the-

option more than once and separating each with a blank space.

The current working directory is always searched first. After that, the ST7 assembler

searches directories in the same order as they were specified (from left to right) in the

command line.

Format:

ASM -I="<path1>;<path2>;...;<pathN>" call

ASM -I="<path1>" -I="<path2>"... -I="<pathN>" call

Example:

ASM -I="include;include2" call

ASM -I="include" -I="include2" call

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