[SOLVED] [asm question] How come this prints the version strings the way it does.
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oh ok thanks. how can I define something the length of the variable version:
or do I gotta count each character of variable until it equals 0x0A.
or use a function I basically i was asking if I can define a variable the length of variable:
how can I define something the length of the variable version:
Originally Posted by errigour
stdin: resb 64 ; 64 bytes for stdin
lenin equ $-stdin ; Length of input to receive for stdin
The code you already have (I assume copied from somewhere) already includes an example of computing the size of a memory area. It is a trivial example, because you can directly see the size is 64. But whoever originally wrote that computed the size in the general way, either as an example or to make sure any later change in the code keeps the actual size and the computed size in sync.
That general pattern is the first thing declared after xxx is yyy equ $-xxx
so that yyy becomes the number of bytes occupied by xxx.