mirror of
https://github.com/A2osX/A2osX.git
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Kernel 0.9.1 : Code reorganization & move to CSTR (ARGS)
This commit is contained in:
Rémy GIBERT
parent
d2f7de5190
commit
b52ac88d2b
Binary file not shown.
Binary file not shown.
379
SYS/KERNEL.S.CORE.txt
Normal file
379
SYS/KERNEL.S.CORE.txt
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@ -0,0 +1,379 @@
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PR#3
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PREFIX /A2OSX.BUILD
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LOMEM $A00
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INC 1
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AUTO 6
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*--------------------------------------
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SYS.BASL0 .EQ $800
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*--------------------------------------
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CORE.Run jsr CORE.TskMgrRun
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stx A2osX.RANDOM16
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jsr CORE.GetEvents
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txa
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eor KBD
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sta A2osX.RANDOM16+1
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bcs .4 CS=no event
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jsr CORE.DispatchEvents
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bcc .4 CC=All Events Dispatched
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>LDYAI TskMgr.Table Select PS0
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>STYA pPs
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lda #EvtMgr.Table
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sta pEvent
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.1 lda (pEvent)
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beq .3
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bmi .2 Ignore & Discard any timer event
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jsr RUN.DumpEvent
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.2 jsr CORE.DestroyEvent
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.3 lda pEvent
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clc
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adc #S.EVT
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sta pEvent
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lda EVTMGR.COUNT
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bne .1
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.4 lda A2osX.ASCREEN
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cmp #2 is SYS active?
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bne .6
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ldx SYS.CPULOADI
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lda SYS.CPULOADC,x
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sta SYS.BASL0+38
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dex
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bpl .5
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ldx #3
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.5 stx SYS.CPULOADI
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.6 bit OPENAPPLE
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bpl CORE.Run
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lda KBD
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bpl CORE.Run
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cmp #"1"
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bcc CORE.Run
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cmp #"5"
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bcs CORE.Run
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sta KBDSTROBE
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and #$0F
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cmp A2osX.ASCREEN Same as active screen...nothing to do
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beq CORE.Run
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tax
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lda A2osX.SCRNDEVS-1,x
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beq CORE.Run No device claimed this screen
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jsr K.GetDevByID.A x unmodified.....
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bcs CORE.Run ???
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stx A2osX.ASCREEN
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>STYA pDev
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ldx #DEVMGR.CONTROL
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jsr pDevJmp
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jmp CORE.Run
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*--------------------------------------
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RUN.DumpEvent ldy #S.EVT-1
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.1 >PUSHB (pEvent),y
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dey
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bpl .1
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>LDYAI .2
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jmp K.PrintF.YA
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.2 >CSTR "!Evt:F=%b,Dev=$%h,LO=$%h,HI=$%h,W1=$%H,W2=$%H\n"
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*--------------------------------------
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SYS.CPULOADI .BS 1
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SYS.CPULOADC .AS "|/-\"
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*--------------------------------------
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CORE.TskMgrRun >LDYAI TskMgr.Table+S.PS skip PS 0
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>STYA pPs
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lda TskMgr.Count
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sta TskMgr.Idx
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.1 dec TskMgr.Idx skip PS 0
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beq .8
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lda (pPs) get S.PS.F
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bit #S.PS.F.INUSE In use ?
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beq .7
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bit #S.PS.F.HOLD Waiting for Another Task to Terminate?
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beq .2
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ldy #S.PS.CPID
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lda (pPs),y
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jsr K.GetPSByID.A
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bcc .7 yes, running....
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lda (pPs) get S.PS.F
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and #$FF^S.PS.F.HOLD unmark as HOLD
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sta (pPs)
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.2 jsr PS.Select
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lda (pPS)
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bit #S.PS.F.INIT
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bne .30
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bit #S.PS.F.SLEEP Is this PS sleeping?
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beq .3 no, call TSKMGR.RUN
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jsr CORE.PSWakeUp
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bra .4
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.30 and #$FF^S.PS.F.INIT unmark as INIT
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sta (pPS)
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ldx #TSKMGR.INIT
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.HS 2C BIT abs
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.3 ldx #TSKMGR.RUN
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.31 jsr pCodeJmp Call INIT/RUN function
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.4 bcc .7 INIT/RUN said CS=QUIT?
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pha save RC
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ldy #S.PS.PPID Notify Parent Process for exit code...
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lda (pPs),y
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jsr K.GetPSByID.A will set ZPPtr1 if success
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bcs .5 parent is dead.....skipping...
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lda (ZPPtr1) Parent PS is HOLD?
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bit #S.PS.F.HOLD
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beq .5 no...
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eor #S.PS.F.HOLD yes, release hold...
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sta (ZPPtr1)
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pla ...probably waiting for this PS to terminate....
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ldy #S.PS.RC give it RC
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sta (ZPPtr1),y
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.HS B0 BCS
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.5 pla
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.6 ldx #TSKMGR.QUIT yes, quit this process
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jsr pCodeJmp Call QUIT function
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ldy #S.PS.PID
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lda (pPs),y
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jsr PS.Free.A
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.7 lda pPs
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clc
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adc #S.PS
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sta pPs
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bcc .1
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inc pPs+1
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bcs .1 Always
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.8 clc
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rts
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*--------------------------------------
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CORE.PSWakeUp and #$FF^S.PS.F.SLEEP unmark as SLEEP
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sta (pPS)
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ldy #S.PS.PC
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lda (pPs),y
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sec Advance PC by one as it was saved by a JSR
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adc pCode setup by PS.Select
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sta .1+1
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iny
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lda (pPs),y
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adc pCode+1
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sta .1+2
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.1 jmp $FFFF
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*--------------------------------------
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* CORE.DispatchEvents
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* IN:
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* OUT:
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* CS: Not Dispatched
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* CC: Event Cleared
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*--------------------------------------
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CORE.DispatchEvents
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>LDYAI TskMgr.Table+S.PS
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>STYA pPs
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lda TskMgr.Count Number of actual processes...
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sta TskMgr.Idx ...to give event list
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.1 dec TskMgr.Idx skip PS 0
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beq .9
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lda (pPs) get S.PS.F
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bpl .4
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* bit #S.PS.F.INUSE In use ?
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* beq .4
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bit #S.PS.F.INIT+S.PS.F.HOLD Init or Waiting for Another Task to Terminate?
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bne .4
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bit #S.PS.F.EVENT Accept Events ?
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beq .4
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jsr PS.Select
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lda #EvtMgr.Table
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sta pEvent Select first event in list
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lda EVTMGR.COUNT
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sta TSKMGR.EVENTCNT
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.2 lda (pEvent) Empty event, select next
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beq .3
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lda (pCode)
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cmp #H.BIN.HEADER.BIN65
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bne *
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ldx #TSKMGR.DOEVENT
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jsr pCodeJmp Call DOEVENT function
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bcs .3 not for this PS, try next event in list
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jsr CORE.DestroyEvent this PS handled the EVT, destroy it...
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lda EVTMGR.COUNT
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beq .8 no more event, exit
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.3 dec TSKMGR.EVENTCNT
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beq .4 all EVT submitted to this PS, try other PS
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lda pEvent try next EVT to this PS
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clc
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adc #S.EVT
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sta pEvent
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bra .2
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.4 lda pPs go to next PS in PS list
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clc
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adc #S.PS
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sta pPs
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bcc .1
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inc pPs+1
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bne .1 always
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.8 clc
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rts
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.9 sec
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rts
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*--------------------------------------
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CORE.TskMgrQuit clc
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rts
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*--------------------------------------
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TskMgr.Idx .BS 1
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TSKMGR.EVENTCNT .BS 1
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*--------------------------------------
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* CORE.GetEvents :
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* IN :
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* OUT :
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* CS = no event, A = ERROR
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* CC * event in YA
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* (pEvent)
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*--------------------------------------
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CORE.GetEvents lda #EvtMgr.Table
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sta pEvent point to start of event list
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stz EvtMgr.Count reset Size
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lda K.IrkMgr.VBL do we have IRQ enabled for VBL ?
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bpl .10 no, regular poll
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lda K.IrkMgr.VBLINT
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beq .3 no
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dec K.IrkMgr.VBLINT
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bra .11
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.10 lda VBL get VLINE status
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tax
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eor EvtMgr.VBLState
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bpl .3 no change,no tick
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txa
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sta EvtMgr.VBLState save new
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bpl .3 Up2down transition,no tick
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.11 inc A2osX.TIMER16
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bne .1
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inc A2osX.TIMER16+1
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.1 dec EvtMgr.HZ.CNT
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bne .3 not yet 100ms
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ldx A2osX.HZ
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stx EvtMgr.HZ.CNT
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lda #S.EVT.F.T10TH
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dec EvtMgr.10TH.CNT
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bne .2
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ldx #10
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stx EvtMgr.10TH.CNT
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ora #S.EVT.F.T1SEC
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.2 sta (pEvent)
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jsr CORE.GetEvents.Add
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.3
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sec
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lda EvtMgr.Count if 0, exit with CS (from cmp), and A=0 "no event"
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beq .9
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.8 clc
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.9 rts
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*--------------------------------------
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CORE.GetEvents.Add
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inc EvtMgr.Count Add one event to Queue
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lda pEvent
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clc
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adc #S.EVT
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sta pEvent
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rts if CS, EVT queue full!!! ($100)
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*--------------------------------------
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CORE.DestroyEvent
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lda (pEvent)
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beq .9
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bit #S.EVT.F.hMEM1
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beq .1
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pha
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ldy #S.EVT.DATALO
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lda (pEvent),y
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jsr K.FreeMem.A
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pla
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.1 bit #S.EVT.F.hMEM2
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beq .2
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ldy #S.EVT.DATAHI
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lda (pEvent),y
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jsr K.FreeMem.A
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.2 lda #0
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sta (pEvent)
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dec EvtMgr.Count
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.9 rts
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*--------------------------------------
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MAN
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SAVE /A2OSX.SRC/SYS/KERNEL.S.CORE
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LOAD /A2OSX.SRC/SYS/KERNEL.S
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ASM
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@ -1,105 +0,0 @@
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PR#3
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PREFIX /A2OSX.BUILD
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LOMEM $A00
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INC 1
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AUTO 6
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*--------------------------------------
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* EVT.GetEvents :
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* IN :
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* OUT :
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* CS = no event, A = ERROR
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* CC * event in YA
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* (pEvent)
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*--------------------------------------
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EVT.GetEvents lda #EvtMgr.Table
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sta pEvent point to start of event list
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stz EvtMgr.Count reset Size
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lda K.IrkMgr.VBL do we have IRQ enabled for VBL ?
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bpl .10 no, regular poll
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lda K.IrkMgr.VBLINT
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beq .3 no
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dec K.IrkMgr.VBLINT
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bra .11
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.10 lda VBL get VLINE status
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tax
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eor EvtMgr.VBLState
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bpl .3 no change,no tick
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txa
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sta EvtMgr.VBLState save new
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bpl .3 Up2down transition,no tick
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.11 inc A2osX.TIMER16
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bne .1
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inc A2osX.TIMER16+1
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.1 dec EvtMgr.HZ.CNT
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bne .3 not yet 100ms
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ldx A2osX.HZ
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stx EvtMgr.HZ.CNT
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lda #S.EVT.F.T10TH
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dec EvtMgr.10TH.CNT
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bne .2
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ldx #10
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stx EvtMgr.10TH.CNT
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ora #S.EVT.F.T1SEC
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.2 sta (pEvent)
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jsr EVT.GetEvents.Add
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.3
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sec
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lda EvtMgr.Count if 0, exit with CS (from cmp), and A=0 "no event"
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beq .9
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.8 clc
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.9 rts
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*--------------------------------------
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EVT.GetEvents.Add
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inc EvtMgr.Count Add one event to Queue
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lda pEvent
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clc
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adc #S.EVT
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sta pEvent
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rts if CS, EVT queue full!!! ($100)
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*--------------------------------------
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EVT.DestroyEvent
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lda (pEvent)
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beq .9
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bit #S.EVT.F.hMEM1
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beq .1
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pha
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ldy #S.EVT.DATALO
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lda (pEvent),y
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jsr K.FreeMem.A
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pla
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.1 bit #S.EVT.F.hMEM2
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beq .2
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ldy #S.EVT.DATAHI
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lda (pEvent),y
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jsr K.FreeMem.A
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.2 lda #0
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sta (pEvent)
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dec EvtMgr.Count
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.9 rts
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*--------------------------------------
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EvtMgr.Idx .BS 1
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*--------------------------------------
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MAN
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SAVE /A2OSX.SRC/SYS/KERNEL.S.EVT
|
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LOAD /A2OSX.SRC/SYS/KERNEL.S
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ASM
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@ -44,7 +44,7 @@ AUTO 6
|
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.BS $BD20-*
|
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*--------------------------------------
|
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GO.Reset jsr GO.A2osX
|
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jmp K.KernelRun
|
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jmp CORE.Run
|
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*--------------------------------------
|
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* *** MUST BE REINTRANT ***
|
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*--------------------------------------
|
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|
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@ -163,7 +163,7 @@ Kernel.Init3 sta SETALTZP
|
||||
|
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bit RRAMWRAMBNK2
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bit RRAMWRAMBNK2
|
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jmp K.KernelRun
|
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jmp CORE.Run
|
||||
|
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.9 >PUSHA
|
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>LDYAI MSG.StartupErr
|
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|
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@ -235,7 +235,7 @@ PS.CreateChild >LDYAI TskMgr.Table+S.PS
|
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.9 rts
|
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*--------------------------------------
|
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PS.Init >LDYA K.CreateProcess.CmdLine
|
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jsr PS.CmdLine2Args.YA
|
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jsr PS.CmdLine2Args
|
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bcs .9
|
||||
|
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phy save PTR to Args[0]...
|
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@ -313,7 +313,10 @@ PS.Free.A jsr K.GetPSByID.A PS in ZPPtr1
|
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ldy #S.PS.hPREFIX
|
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jsr PS.Free.A.PsY
|
||||
|
||||
.1 ldy #S.PS.hDS
|
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.1 ldy #S.PS.hSS
|
||||
jsr PS.Free.A.PsY
|
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|
||||
ldy #S.PS.hDS
|
||||
jsr PS.Free.A.PsY
|
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|
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ldy #S.PS.hCS
|
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@ -334,13 +337,20 @@ PS.Select ldy #S.PS.hCS
|
||||
jsr K.GetMemPtr.A
|
||||
>STYA pCode
|
||||
|
||||
ldy #S.PS.hDS
|
||||
iny
|
||||
* ldy #S.PS.hDS
|
||||
lda (pPs),y
|
||||
beq .8
|
||||
beq .1
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||||
|
||||
jsr K.GetMemPtr.A
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||||
>STYA pData
|
||||
|
||||
.1 iny
|
||||
* ldy #S.PS.hSS
|
||||
lda (pPs),y
|
||||
jsr K.GetMemPtr.A
|
||||
>STYA pStack
|
||||
|
||||
.8 clc
|
||||
rts
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||||
*--------------------------------------
|
||||
@ -372,75 +382,63 @@ PS.DupEnv.A jsr K.GetMemPtr.A
|
||||
.8 txa
|
||||
clc
|
||||
.9 rts
|
||||
*/--------------------------------------
|
||||
* # CmdLine2Args.YA
|
||||
* Convert a CSTR (e.g. : command Line) to Args[]
|
||||
* ## In:
|
||||
* Y,A = PTR to String
|
||||
* ## Out:
|
||||
* CC : success
|
||||
* Y,A = PTR to StrArray
|
||||
* X = hMem
|
||||
* CS : error
|
||||
* A = SYS error code
|
||||
*\--------------------------------------
|
||||
PS.CmdLine2Args.YA
|
||||
>STYA ZPPtr1
|
||||
lda (ZPPtr1) Get mem size STRLEN+1
|
||||
inc
|
||||
*--------------------------------------
|
||||
PS.CmdLine2Args >STYA ZPPtr1
|
||||
|
||||
ldy #0
|
||||
|
||||
.1 lda (ZPPtr1),y compute strlen in Y,X
|
||||
beq .2
|
||||
cmp #'"' skip "" in computation....
|
||||
beq .1
|
||||
iny
|
||||
bne .1 max 255
|
||||
|
||||
.2 tya +2 for ending 0 for last string, and endig 0 for array
|
||||
clc
|
||||
adc #2
|
||||
tay
|
||||
|
||||
lda #0
|
||||
bcc .3
|
||||
inc
|
||||
|
||||
jsr K.GetMem.YA
|
||||
.3 jsr K.GetMem.YA
|
||||
bcs .9
|
||||
phx save hMem
|
||||
phy save PTR.LO
|
||||
pha save PTR.HI
|
||||
>STYA ZPPtr2
|
||||
|
||||
lda (ZPPtr1)
|
||||
tax count in src string
|
||||
stz PS.CmdLine2Args.bInQuote
|
||||
|
||||
ldy #0
|
||||
ldx #0 Arg Count
|
||||
|
||||
.4 lda (ZPPtr1),y
|
||||
beq .8
|
||||
|
||||
ldy #0 reset index in dst token
|
||||
cmp #'"' found a quote ?
|
||||
bne .5
|
||||
lda PS.CmdLine2Args.bInQuote
|
||||
eor #$ff
|
||||
sta PS.CmdLine2Args.bInQuote
|
||||
bra .71
|
||||
|
||||
.3 inc ZPPtr1 get...
|
||||
.5 cmp #' '
|
||||
bne .70
|
||||
|
||||
bit PS.CmdLine2Args.bInQuote
|
||||
bmi .70
|
||||
|
||||
inx Found one arg !!!
|
||||
lda #0
|
||||
|
||||
.70 sta (ZPPtr2) yes, set this token len
|
||||
.71 inc ZPPtr2
|
||||
bne .72
|
||||
inc ZPPtr2+1
|
||||
.72 iny
|
||||
bne .4
|
||||
inc ZPPtr1+1
|
||||
.4 lda (ZPPtr1) ...next char
|
||||
|
||||
cmp #' ' found a space ?
|
||||
bne .6
|
||||
|
||||
tya in a token ?
|
||||
beq .7 no, skip & go to next char
|
||||
|
||||
sta (ZPPtr2) yes, set this token len
|
||||
sec
|
||||
adc ZPPtr2 advance to next token
|
||||
sta ZPPtr2
|
||||
bcc .5
|
||||
inc ZPPtr2+1
|
||||
|
||||
.5 ldy #0 reset index in dst token
|
||||
bra .7
|
||||
|
||||
.6 iny add char to token
|
||||
sta (ZPPtr2),y
|
||||
|
||||
.7 dex end of src string?
|
||||
bne .3 no...next char...
|
||||
|
||||
tya yes, are we in a token ?
|
||||
beq .8
|
||||
|
||||
sta (ZPPtr2) yes, set last token len
|
||||
sec
|
||||
adc ZPPtr2 advance to next token
|
||||
sta ZPPtr2
|
||||
bcc .8
|
||||
inc ZPPtr2+1
|
||||
|
||||
.8 lda #0
|
||||
sta (ZPPtr2) set Array Ending 0
|
||||
@ -450,6 +448,8 @@ PS.CmdLine2Args.YA
|
||||
plx get back hMem
|
||||
clc
|
||||
.9 rts
|
||||
|
||||
PS.CmdLine2Args.bInQuote
|
||||
*--------------------------------------
|
||||
MAN
|
||||
SAVE /A2OSX.SRC/SYS/KERNEL.S.PS
|
||||
|
||||
@ -1,104 +0,0 @@
|
||||
PR#3
|
||||
PREFIX /A2OSX.BUILD
|
||||
LOMEM $A00
|
||||
INC 1
|
||||
AUTO 6
|
||||
*--------------------------------------
|
||||
SYS.BASL0 .EQ $800
|
||||
*--------------------------------------
|
||||
K.KernelRun jsr TSK.TskMgrRun
|
||||
stx A2osX.RANDOM16
|
||||
jsr EVT.GetEvents
|
||||
txa
|
||||
eor KBD
|
||||
sta A2osX.RANDOM16+1
|
||||
bcs .4 CS=no event
|
||||
|
||||
jsr TSK.DispatchEvents
|
||||
bcc .4 CC=All Events Dispatched
|
||||
|
||||
>LDYAI TskMgr.Table Select PS0
|
||||
>STYA pPs
|
||||
|
||||
lda #EvtMgr.Table
|
||||
sta pEvent
|
||||
|
||||
.1 lda (pEvent)
|
||||
beq .3
|
||||
|
||||
bmi .2 Ignore & Discard any timer event
|
||||
|
||||
jsr RUN.DumpEvent
|
||||
|
||||
.2 jsr EVT.DestroyEvent
|
||||
|
||||
.3 lda pEvent
|
||||
clc
|
||||
adc #S.EVT
|
||||
sta pEvent
|
||||
lda EVTMGR.COUNT
|
||||
bne .1
|
||||
|
||||
.4 lda A2osX.ASCREEN
|
||||
cmp #2 is SYS active?
|
||||
bne .6
|
||||
|
||||
ldx SYS.CPULOADI
|
||||
lda SYS.CPULOADC,x
|
||||
sta SYS.BASL0+38
|
||||
dex
|
||||
bpl .5
|
||||
ldx #3
|
||||
.5 stx SYS.CPULOADI
|
||||
|
||||
.6 bit OPENAPPLE
|
||||
bpl K.KernelRun
|
||||
|
||||
lda KBD
|
||||
|
||||
bpl K.KernelRun
|
||||
|
||||
cmp #"1"
|
||||
bcc K.KernelRun
|
||||
cmp #"5"
|
||||
bcs K.KernelRun
|
||||
|
||||
sta KBDSTROBE
|
||||
|
||||
and #$0F
|
||||
cmp A2osX.ASCREEN Same as active screen...nothing to do
|
||||
beq K.KernelRun
|
||||
|
||||
tax
|
||||
|
||||
lda A2osX.SCRNDEVS-1,x
|
||||
beq K.KernelRun No device claimed this screen
|
||||
|
||||
jsr K.GetDevByID.A x unmodified.....
|
||||
bcs K.KernelRun ???
|
||||
|
||||
stx A2osX.ASCREEN
|
||||
|
||||
>STYA pDev
|
||||
|
||||
ldx #DEVMGR.CONTROL
|
||||
jsr pDevJmp
|
||||
jmp K.KernelRun
|
||||
*--------------------------------------
|
||||
RUN.DumpEvent ldy #S.EVT-1
|
||||
|
||||
.1 >PUSHB (pEvent),y
|
||||
dey
|
||||
bpl .1
|
||||
|
||||
>LDYAI MSG.DumpEvent
|
||||
jmp K.PrintF.YA
|
||||
*--------------------------------------
|
||||
MSG.DumpEvent >CSTR "!Evt:F=%b,Dev=$%h,LO=$%h,HI=$%h,W1=$%H,W2=$%H\n"
|
||||
SYS.CPULOADI .BS 1
|
||||
SYS.CPULOADC .AS "|/-\"
|
||||
*--------------------------------------
|
||||
MAN
|
||||
SAVE /A2OSX.SRC/SYS/KERNEL.S.RUN
|
||||
LOAD /A2OSX.SRC/SYS/KERNEL.S
|
||||
ASM
|
||||
@ -1,193 +0,0 @@
|
||||
PR#3
|
||||
PREFIX /A2OSX.BUILD
|
||||
LOMEM $A00
|
||||
INC 1
|
||||
AUTO 6
|
||||
*--------------------------------------
|
||||
* TSK.TskMgrRun
|
||||
*--------------------------------------
|
||||
TSK.TskMgrRun >LDYAI TskMgr.Table+S.PS skip PS 0
|
||||
>STYA pPs
|
||||
|
||||
lda TskMgr.Count
|
||||
sta TskMgr.Idx
|
||||
|
||||
.1 dec TskMgr.Idx skip PS 0
|
||||
beq .8
|
||||
|
||||
lda (pPs) get S.PS.F
|
||||
bit #S.PS.F.INUSE In use ?
|
||||
beq .7
|
||||
|
||||
bit #S.PS.F.HOLD Waiting for Another Task to Terminate?
|
||||
beq .2
|
||||
|
||||
ldy #S.PS.CPID
|
||||
lda (pPs),y
|
||||
jsr K.GetPSByID.A
|
||||
bcc .7 yes, running....
|
||||
|
||||
lda (pPs) get S.PS.F
|
||||
and #$FF^S.PS.F.HOLD unmark as HOLD
|
||||
sta (pPs)
|
||||
|
||||
.2 jsr PS.Select
|
||||
|
||||
lda (pPS)
|
||||
bit #S.PS.F.INIT
|
||||
bne .30
|
||||
|
||||
bit #S.PS.F.SLEEP Is this PS sleeping?
|
||||
beq .3 no, call TSKMGR.RUN
|
||||
|
||||
jsr TSK.PSWakeUp
|
||||
bra .4
|
||||
|
||||
.30 and #$FF^S.PS.F.INIT unmark as INIT
|
||||
sta (pPS)
|
||||
|
||||
ldx #TSKMGR.INIT
|
||||
.HS 2C BIT abs
|
||||
.3 ldx #TSKMGR.RUN
|
||||
|
||||
.31 jsr pCodeJmp Call INIT/RUN function
|
||||
|
||||
.4 bcc .7 INIT/RUN said CS=QUIT?
|
||||
|
||||
pha save RC
|
||||
ldy #S.PS.PPID Notify Parent Process for exit code...
|
||||
lda (pPs),y
|
||||
jsr K.GetPSByID.A will set ZPPtr1 if success
|
||||
bcs .5 parent is dead.....skipping...
|
||||
|
||||
lda (ZPPtr1) Parent PS is HOLD?
|
||||
bit #S.PS.F.HOLD
|
||||
beq .5 no...
|
||||
|
||||
eor #S.PS.F.HOLD yes, release hold...
|
||||
sta (ZPPtr1)
|
||||
|
||||
pla ...probably waiting for this PS to terminate....
|
||||
ldy #S.PS.RC give it RC
|
||||
sta (ZPPtr1),y
|
||||
|
||||
.HS B0 BCS
|
||||
.5 pla
|
||||
|
||||
.6 ldx #TSKMGR.QUIT yes, quit this process
|
||||
jsr pCodeJmp Call QUIT function
|
||||
|
||||
ldy #S.PS.PID
|
||||
lda (pPs),y
|
||||
jsr PS.Free.A
|
||||
|
||||
.7 lda pPs
|
||||
clc
|
||||
adc #S.PS
|
||||
sta pPs
|
||||
bcc .1
|
||||
inc pPs+1
|
||||
bcs .1 Always
|
||||
|
||||
.8 clc
|
||||
rts
|
||||
*--------------------------------------
|
||||
TSK.PSWakeUp and #$FF^S.PS.F.SLEEP unmark as SLEEP
|
||||
sta (pPS)
|
||||
|
||||
ldy #S.PS.PC
|
||||
lda (pPs),y
|
||||
sec Advance PC by one as it was saved by a JSR
|
||||
adc pCode setup by PS.Select
|
||||
sta .1+1
|
||||
iny
|
||||
lda (pPs),y
|
||||
adc pCode+1
|
||||
sta .1+2
|
||||
|
||||
.1 jmp $FFFF
|
||||
*--------------------------------------
|
||||
* TSK.DispatchEvents
|
||||
* IN:
|
||||
* OUT:
|
||||
* CS: Not Dispatched
|
||||
* CC: Event Cleared
|
||||
*--------------------------------------
|
||||
TSK.DispatchEvents
|
||||
>LDYAI TskMgr.Table+S.PS
|
||||
>STYA pPs
|
||||
|
||||
lda TskMgr.Count Number of actual processes...
|
||||
sta TskMgr.Idx ...to give event list
|
||||
|
||||
.1 dec TskMgr.Idx skip PS 0
|
||||
beq .9
|
||||
|
||||
lda (pPs) get S.PS.F
|
||||
bpl .4
|
||||
|
||||
* bit #S.PS.F.INUSE In use ?
|
||||
* beq .4
|
||||
|
||||
bit #S.PS.F.INIT+S.PS.F.HOLD Init or Waiting for Another Task to Terminate?
|
||||
bne .4
|
||||
|
||||
bit #S.PS.F.EVENT Accept Events ?
|
||||
beq .4
|
||||
|
||||
jsr PS.Select
|
||||
|
||||
lda #EvtMgr.Table
|
||||
sta pEvent Select first event in list
|
||||
|
||||
lda EVTMGR.COUNT
|
||||
sta TSKMGR.EVENTCNT
|
||||
|
||||
.2 lda (pEvent) Empty event, select next
|
||||
beq .3
|
||||
|
||||
lda (pCode)
|
||||
cmp #H.BIN.HEADER.BIN65
|
||||
bne *
|
||||
|
||||
ldx #TSKMGR.DOEVENT
|
||||
jsr pCodeJmp Call DOEVENT function
|
||||
bcs .3 not for this PS, try next event in list
|
||||
|
||||
jsr EVT.DestroyEvent this PS handled the EVT, destroy it...
|
||||
lda EVTMGR.COUNT
|
||||
beq .8 no more event, exit
|
||||
|
||||
.3 dec TSKMGR.EVENTCNT
|
||||
beq .4 all EVT submitted to this PS, try other PS
|
||||
|
||||
lda pEvent try next EVT to this PS
|
||||
clc
|
||||
adc #S.EVT
|
||||
sta pEvent
|
||||
bra .2
|
||||
|
||||
.4 lda pPs go to next PS in PS list
|
||||
clc
|
||||
adc #S.PS
|
||||
sta pPs
|
||||
bcc .1
|
||||
inc pPs+1
|
||||
bne .1 always
|
||||
|
||||
.8 clc
|
||||
rts
|
||||
|
||||
.9 sec
|
||||
rts
|
||||
*--------------------------------------
|
||||
TSK.TskMgrQuit clc
|
||||
rts
|
||||
*--------------------------------------
|
||||
TskMgr.Idx .BS 1
|
||||
TSKMGR.EVENTCNT .BS 1
|
||||
*--------------------------------------
|
||||
MAN
|
||||
SAVE /A2OSX.SRC/SYS/KERNEL.S.TSK
|
||||
LOAD /A2OSX.SRC/SYS/KERNEL.S
|
||||
ASM
|
||||
@ -43,12 +43,10 @@ A2osX.D2 .PH $D000
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.PS
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.ARG
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.ENV
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.EVT
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.TSK
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.RUN
|
||||
.EP
|
||||
A2osX.E0 .PH $E000
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.JMP
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.CORE
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.DAT
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.IRQ
|
||||
.INB /A2OSX.SRC/SYS/KERNEL.S.MEM
|
||||
|
||||
Loading…
Reference in New Issue
Block a user