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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
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* Disassembly by Os9disasm of process.r

 section code

* OS-9 system function equates

F$Fork equ $03 
F$Wait equ $04 
F$Chain equ $05 
F$Exit equ $06 
F$Send equ $08 
F$SPrior equ $0d 

kill: lda   3,s 
 ldb   5,s 
 os9 F$Send 
 lbra  _sysret 
wait: clra   
 clrb   
 os9 F$Wait 
 lblo  _os9err 
 ldx   2,s 
 beq   L001b 
 stb   1,x 
 clr   ,x 
L001b tfr   a,b 
 clra   
 rts    
setpr: lda   3,s 
 ldb   5,s 
 os9 F$SPrior 
 lbra  _sysret 
chain: leau  ,s 
 leas  255,y 
 ldx   2,u 
 ldy   4,u 
 lda   9,u 
 asla   
 asla   
 asla   
 asla   
 ora   11,u 
 ldb   13,u 
 ldu   6,u 
 os9 F$Chain 
 os9 F$Exit 
os9fork: pshs  y,u 
 ldx   6,s 
 ldy   8,s 
 ldu   10,s 
 lda   13,s 
 ora   15,s 
 ldb   17,s 
 os9 F$Fork 
 puls  y,u 
 lblo  _os9err 
 tfr   a,b 
 clra   
 rts    

 endsect