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defs: Add Bt.Sec for atari and corsham
author Tormod Volden <debian.tormod@gmail.com>
date Sat, 07 Mar 2020 23:52:40 +0100
parents 1647f1874cdf
children
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* Disassembly by Os9disasm of misc.r

 section code

* OS-9 system function equates

F$Sleep equ $0a 
F$PErr equ $0f 
F$CRC equ $17 

lock: rts    
pause: ldx   #0 
 clrb   
 os9 F$Sleep 
 lbra  _os9err 
sync: rts    
crc: pshs  y,u 
 ldx   6,s 
 ldy   8,s 
 ldu   10,s 
 os9 F$CRC 
 puls  y,u,pc 
prerr: lda   3,s 
 ldb   5,s 
 os9 F$PErr 
 lblo  _os9err 
 rts    
tsleep: ldx   2,s 
 os9 F$Sleep 
 lblo  _os9err 
 tfr   x,d 
 rts    

 endsect