view lib/kreiderclib/devtyp.as @ 3162:c44cd20907bd

sysgo.asm: Delete trailing whitespace, fix indent (no functional change) Add comments and vertical whitespace for readability.
author Neal Crook <foofoobedoo@gmail.com>
date Thu, 06 Apr 2017 22:04:46 +0100
parents 1647f1874cdf
children
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* Disassembly by Os9disasm of devtyp.r

 section code

* OS-9 system function equates

I$GetStt equ $8d 

isatty: ldd   2,s 
 pshs  d 
 bsr   devtyp 
 std   ,s++ 
 beq   L000c 
 clrb   
 rts    
L000c incb   
 rts    
devtyp: lda   3,s 
 clrb   
 leas  -32,s 
 leax  ,s 
 os9 I$GetStt 
 lda   ,s 
 leas  32,s 
 lblo  _os9err 
 tfr   a,b 
 clra   
 rts    

 endsect