********************************************************************
* Procs - Show processes
*
* $Id$
*
* Ed.    Comments                                       Who YY/MM/DD
* ------------------------------------------------------------------
*   9    From Tandy OS-9 Level One VR 02.00.00

         nam   Procs
         ttl   program module       

* Disassembled 02/04/05 13:22:14 by Disasm v1.6 (C) 1988 by RML

         ifp1
         use   defsfile
         endc

tylg     set   Prgrm+Objct   
atrv     set   ReEnt+rev
rev      set   $01
edition  set   9

         mod   eom,name,tylg,atrv,start,size

Wid80    rmb   1
EFlag    rmb   1
AProc    rmb   2
WProc    rmb   2
SProc    rmb   2
MyUID    rmb   2
u000A    rmb   1
BufPtr   rmb   2
Buffer   rmb   87
u0064    rmb   132
u00E8    rmb   2156
PsBuf    rmb   450
size     equ   .

name     fcs   /Procs/
         fcb   edition

L0013    fcb   C$LF
         fcc   "Usr #  id pty sta mem pri mod"
         fcb   C$CR
DshSh    fcs   "----- --- --- --- --- -------"
ActSh    fcc   " act"
         fcb   $A0 
WaiSh    fcc   " wai"
         fcb   $A0 
SleSh    fcc   " sle"
         fcb   $A0 
L005E    fcb   C$LF
         fcc   "Usr #  id pty  state   mem primary module"
         fcb   C$CR
DshLo    fcs   "----- --- --- -------- --- --------------"
ActLo    fcc   "  active "
         fcb   $A0 
WaiLo    fcc   "  waiting"
         fcb   $A0 
SleLo    fcc   " sleeping"
         fcb   $A0 

start    clr   <EFlag
         clr   <Wid80
         pshs  y,x,b,a
         lda   #$01
         ldb   #SS.ScSiz
         os9   I$GetStt 
         bcc   L00E8
         cmpb  #E$UnkSvc
         beq   L00EF
         puls  y,x,b,a
         lbra  L01F1
L00E8    cmpx  #80
         beq   L00EF
         inc   <Wid80
L00EF    puls  y,x,b,a
*
* Check for an 'E' as argument
*
         lda   ,x+
         eora  #'E
         anda  #$DF
         bne   L00FB
         inc   <EFlag
L00FB    leax  Buffer,u
         stx   <BufPtr
         orcc  #IntMasks
         ldx   >D.AProcQ
         stx   <AProc
         ldx   >D.WProcQ
         stx   <WProc
         ldx   >D.SProcQ
         stx   <SProc
         ldx   >D.Proc
         ldd   P$User,x
         std   <MyUID
         pshs  u
         leau  >PsBuf,u   Assign buffer to reg u
         lda   #$01
         ldx   <AProc
         lbsr  LoopP
         lda   #$02
         ldx   <WProc
         lbsr  LoopP
         lda   #$03
         ldx   <SProc
         lbsr  LoopP
         andcc #^IntMasks
         clra  
         clrb  
         pshu  b,a
         pshu  b,a
         puls  u
         tst   <Wid80
         beq   L0156
         leay  >L0013,pcr
         lbsr  WritY
         lbsr  WrBuf
         leay  >DshSh,pcr   Write short dashes
         lbsr  WritY
         lbsr  WrBuf
         bra   L016A

* Write 80 char header
L0156    leay  >L005E,pcr
         lbsr  WritY
         lbsr  WrBuf
         leay  >DshLo,pcr  Write long dashes
         lbsr  WritY
         lbsr  WrBuf

L016A    leax  >PsBuf,u
NextW    leax  -$09,x
         ldd   $05,x
         beq   Finish
         ldd   $07,x
         lbsr  L0250
         lbsr  WrSpc    Write Space
         ldb   ,x
         lbsr  L0214
         lbsr  WrSpc    Write Space
         ldb   $03,x
         lbsr  L0214
         lda   $04,x
         tst   <Wid80
         beq   L0195
         leay  >ActSh,pcr
         bra   L0199
L0195    leay  >ActLo,pcr
L0199    cmpa  #$01
         beq   L01BD    branch if status is active
         tst   <Wid80
         beq   L01A7
         leay  >WaiSh,pcr
         bra   L01AB
L01A7    leay  >WaiLo,pcr
L01AB    cmpa  #$02
         beq   L01BD    branch if status is waiting
         tst   <Wid80
         beq   L01B9
         leay  >SleSh,pcr
         bra   L01BD
L01B9    leay  >SleLo,pcr
L01BD    bsr   WritY
         ldb   $02,x
         bsr   L0214
         bsr   WrSpc    Write Space
         ldy   $05,x
         ldd   $04,y
         leay  d,y
         bsr   WritY
         bsr   WrSpc    Write Space
         tst   <Wid80
         bne   L01EB
         lda   #'<
         bsr   WriCh
         lda   $01,x
         lbsr  L02B5
         bcs   L01EB
         ldy   $03,y
         ldy   $04,y
         ldd   $04,y
         leay  d,y
         bsr   WritY
L01EB    bsr   WrBuf
         lbra  NextW   Next line

Finish   clrb  
L01F1    os9   F$Exit   
*
* Write text pointed to by Reg Y to buffer
*
WritY    lda   ,y
         anda  #$7F
         bsr   WriCh
         lda   ,y+
         bpl   WritY
         rts   
*
* Write out buffer to stdout (max 80 chars)
*
WrBuf    pshs  y,x,a
         lda   #C$CR
         bsr   WriCh
         leax  Buffer,u
         stx   <BufPtr
         ldy   #80
         lda   #$01
         os9   I$WritLn 
         puls  pc,y,x,a

L0214    clr   <u000A
         lda   #$FF
L0218    inca  
         subb  #$64
         bcc   L0218
         bsr   L022E
         lda   #$0A
L0221    deca  
         addb  #$0A
         bcc   L0221
         bsr   L022E
         tfr   b,a
         adda  #$30
         bra   WriCh
L022E    tsta  
         beq   L0233
         sta   <u000A
L0233    tst   <u000A
         bne   L0239
WrSpc    lda   #$F0
L0239    adda  #$30
*
* Add char to buffer pointed to by BufPtr
*
WriCh    pshs  x
         ldx   <BufPtr
         sta   ,x+
         stx   <BufPtr
         puls  pc,x

L0245    fcb   $27,$10,$03,$e8,$00,$64,$00,$0a,$00,$01,$ff
L0250    pshs  x,y,a,b
         leax  <L0245,pcr
         ldy   #$2F20
L0259    leay  >$0100,y
         subd  ,x
         bcc   L0259
         addd  ,x++
         pshs  b,a
         tfr   y,d
         tst   ,x
         bmi   L0281
         ldy   #$2F30
         cmpd  #$3020
         bne   L027B
         ldy   #$2F20
         lda   #C$SPAC
L027B    bsr   WriCh
         puls  b,a
         bra   L0259
L0281    bsr   WriCh
         leas  $02,s
         puls  pc,y,x,b,a
*
* Loop through list of processes
* Reg X contains the pointer
*
LoopP    pshs  y,b,a
         leax  ,x		point to first entry in queue
         beq   EndP
NextP    ldd   P$User,x
         tst   <EFlag
         bne   L0298
         cmpd  <MyUID
         bne   ContP
L0298    pshu  b,a              put userid on stack
         lda   P$Prior,x
         ldb   ,s
         ldy   <P$PModul,x
         pshu  y,b,a            put module,priority,status on stack
         lda   P$PagCnt,x
         pshu  a                put pagecount on stack
         lda   P$ID,x
         ldb   <P$PATH,x
         pshu  b,a
ContP    ldx   P$Queue,x
         bne   NextP
EndP     puls  pc,y,b,a

L02B5    pshs  x,b,a
         ldx   >D.PthDBT
         tsta  
         beq   L02CC
         clrb  
         lsra  
         rorb  
         lsra  
         rorb  
         lda   a,x
         tfr   d,y
         beq   L02CC
         tst   ,y
         bne   L02CD
L02CC    coma  
L02CD    puls  pc,x,b,a

         emod
eom      equ   *
         end