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Changed a puls PC to rts to save cycles
author David Ladd <drencor-xeen@users.sourceforge.net>
date Sat, 20 Jan 2018 19:32:22 -0600
parents 1647f1874cdf
children
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* Disassembly by Os9disasm of stat.r

 section code

* OS-9 system function equates

I$GetStt equ $8d 
I$SetStt equ $8e 

getstat: pshs  y,u 
 lda   9,s 
 ldb   7,s 
 beq   L003c 
 cmpb  #1 
 beq   L003e 
 cmpb  #2 
 beq   L0024 
 cmpb  #5 
 beq   L0024 
 cmpb  #6 
 beq   L003e 
 cmpb  #$0e 
 beq   L003c 
 cmpb  #$0f 
 beq   L0039 
 ldb   #$d0 
 bra   L0029 
L0024 os9 I$GetStt 
 bcc   L002e 
L0029 puls  y,u 
 lbra  _os9err 
L002e stx   [10,s] 
 ldx   10,s 
 stu   2,x 
 clrb   
 clra   
 puls  y,u,pc 
L0039 ldy   12,s 
L003c ldx   10,s 
L003e os9 I$GetStt 
 puls  y,u 
 lbra  _sysret 
setstat: pshs  y,u 
 lda   9,s 
 ldb   7,s 
 beq   L0096 
 cmpb  #2 
 beq   L0094 
 cmpb  #3 
 beq   L0096 
 cmpb  #4 
 beq   L0091 
 cmpb  #$0a 
 beq   L00a6 
 cmpb  #$0b 
 beq   L0096 
 cmpb  #$0c 
 beq   L00a6 
 cmpb  #$0d 
 beq   L009a 
 cmpb  #$0f 
 beq   L0096 
 cmpb  #$10 
 beq   L0096 
 cmpb  #$11 
 beq   L0094 
 cmpb  #$14 
 beq   L0091 
 cmpb  #$15 
 beq   L0091 
 cmpb  #$19 
 beq   L0091 
 cmpb  #$1a 
 beq   L0096 
 cmpb  #$1b 
 beq   L00a6 
 ldb   #$d0 
 puls  y,u 
 lbra  _os9err 
L0091 ldy   14,s 
L0094 ldu   12,s 
L0096 ldx   10,s 
 bra   L00a6 
L009a tfr   a,b 
 lda   11,s 
 ldx   12,s 
 ldy   14,s 
 ldu   16,s 
L00a6 os9 I$SetStt 
 puls  y,u 
 lbra  _sysret 

 endsect