A2osX/SYS/KERNEL.S.RUN.txt

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PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
.LIST OFF
*--------------------------------------
K.KernelRun jsr TSK.TskMgrRun
bcs .9
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jsr EVT.GetEvents
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bcs K.KernelRun CS=no event
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jsr TSK.DispatchEvents
bcc .4 CC=All Events Dispatched
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jsr PS.Select0
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stz pEvent
.1 lda (pEvent)
beq .3
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bmi .2 Ignore & Discard any timer event
ldy #S.EVT-1
.10 lda (pEvent),y
>PUSHA
dey
bpl .10
>LDYAI MSG.DumpEvent
jsr K.PrintFYA
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.2 jsr EVT.DestroyEvent
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.3 lda pEvent
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clc
adc #S.EVT
sta pEvent
lda EVTMGR.COUNT
bne .1
.4 bit OPENAPPLE
bpl K.KernelRun
lda KBD
inc A2osX.RANDOM16
sta A2osX.RANDOM16+1
bpl K.KernelRun
cmp #"1"
bcc K.KernelRun
cmp #"5"
bcs K.KernelRun
sta KBDSTROBE
and #$0F
cmp A2osX.ASCREEN Same as active screen...nothing to do
beq K.KernelRun
tax
lda A2osX.SCRNDEVS-1,x No device claimed this screen
beq K.KernelRun
jsr K.GetDevByIDA x unmodified.....
bcs K.KernelRun ???
stx A2osX.ASCREEN
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>STYA pDev
ldx #DEVMGR.SELECT
jsr pDevJmp
bra K.KernelRun
*--------------------------------------
.9 jsr DevMgr.SYS.Select
>LDYAI MSG.KRNLPANIC
jsr K.PrintFYA
bra *
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*--------------------------------------
MSG.DumpEvent >CSTR "!Unhandled Evt:F=%b,DevID=$%h,DATALO=$%h,DATAHI=$%h,W1=$%H,W2=$%H\n"
MSG.KRNLPANIC >CSTR "\n!!!Kernel Panic!!!\n"
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*--------------------------------------
MAN
SAVE SYS/KERNEL.S.RUN
LOAD SYS/KERNEL.S
ASM