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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 gs2.r

 section code

* OS-9 system function equates

I$GetStt equ $8d 

_gs_rdy: ldb   #1 
 lda   3,s 
 os9 I$GetStt 
 lblo  _os9err 
 clra   
 rts    
_gs_eof: ldb   #6 
 bra   L0015 
_gs_opt: ldb   #0 
 ldx   4,s 
L0015 lda   3,s 
 os9 I$GetStt 
 bra   L0042 
_gs_devn: ldb   #$0e 
 ldx   4,s 
 lda   3,s 
 os9 I$GetStt 
 bcs   L0042 
L0027 lda   ,x+ 
 bpl   L0027 
 anda  #$7f 
 sta   -1,x 
 clr   ,x 
 rts    
_gs_gfd: pshs  y 
 ldb   #$0f 
 lda   5,s 
 ldx   6,s 
 ldy   8,s 
 os9 I$GetStt 
 puls  y 
L0042 lbra  _sysret 

 endsect