A2osX/SYS/KERNEL.S.INIT.txt

NEW
  AUTO 3,1
*--------------------------------------
Kernel.Init2	sei
 				ldx	#$FF
				txs
				sta SETALTZP

				stx SaveSM
				stx SaveSX

				ldx #Kernel.ZP.S-1

.1				lda Kernel.ZP,x
				sta CHARGET,x
				dex
				bpl .1

				sta CLRALTZP
				>LDYAI MSG.Init2
				jsr PrintFYA

				>LDYA PAKME.MAIN
				>STYA ZPInBufPtr
				>LDYAI A2osX.EndTables
				jsr A2osX.Unpak

				>LDYA PAKME.AUX
				>STYA ZPInBufPtr
				>LDYAI $9F00
				jsr A2osX.Unpak

				>LDYAI $9F00
				>STYA ZPPtr1
				>LDYAI Mem.XHiMem
				>STYA ZPPtr2

				lda #AUX.S
				eor #$ff
				tax
				lda /AUX.S
				eor #$ff
				pha

				ldy #0

				sta SETWRITEAUX

.2				inx
				bne .3

				pla
				inc
				beq .4

				pha

.3				lda (ZPPtr1),y
				sta (ZPPtr2),y
				iny
				bne .2

				inc ZPPtr1+1
				inc ZPPtr2+1
				bra .2

.4				sta CLRWRITEAUX

				>LDYA PAKME.GP
				>STYA ZPInBufPtr
				>LDYAI A2osX.SYSCALL
				jsr A2osX.Unpak

				sta SETALTZP

				lda RRAMWRAMBNK2
				lda RRAMWRAMBNK2

				>LDYA PAKME.D2
				>STYA ZPInBufPtr
				>LDYAI $D000
				jsr A2osX.Unpak

				lda RRAMWRAMBNK1
				lda RRAMWRAMBNK1

				>LDYA PAKME.D1
				>STYA ZPInBufPtr
				>LDYAI $D000
				jsr A2osX.Unpak

				>LDYA PAKME.E0
				>STYA ZPInBufPtr
				>LDYAI $E000
				jsr A2osX.Unpak

				lda RROMBNK1

				sta CLRALTZP
				cli

				jsr KConfigLoad

				lda A2osX.HZ
				pha
				>LDYAI MSG.HZ
				jsr PrintFYA
				>LDYAI MSG.Init2.OK
				jsr PrintFYA
*--------------------------------------
				>DEBUGOA
*--------------------------------------
Kernel.Init3	sta SETALTZP
				lda RRAMWRAMBNK1
				lda RRAMWRAMBNK1

				lda #$ff				Make sure we are in Kernel Mode during setup
				sta IRQ.InKernel
				stz IRQ.InLib

				lda /K.VER
				sta A2osX.KVER
				lda #K.VER
				sta A2osX.KVER+1

				sta SETALTCHAR
				sta SETMIXED
				sta CLRHIRES
				sta SET80DISP
				sta SET80STORE
				sta CLRPAGE2

				lda RDIOUDIS
				sta SETIOUDIS
				sta SETDHIRES
				bmi .10

				sta CLRIOUDIS

.10				jsr MemMgrInit

				>LDYAI S.PS				Select Process 0 (Kernel)
				jsr K.GetMem0
				>STYA pPs
				stx PS.Table.hPS

				jsr Mem.SetOwner
				lda #1
				sta CORE.PSCount
				>LDYAI K.STACKTOP
				>STYA pStack
				sta pBase+1

				>PUSHWI FD.NULL
				>PUSHWI FD.NULL.NAME
				>SYSCALL2 MKDev

				jsr SysScrInit
				bcs *

*				sta CLRMIXED

				>PUSHWI DEV.CONSOLE
				>PUSHBI	O.RDWR
				>PUSHBI S.FI.T.TXT
				>PUSHWZ					Aux type
				>SYSCALL2 fopen
				bcs *

				ldy #S.PS.hStdIn
				sta (pPS),y
				iny						#S.PS.hStdOut
				sta (pPS),y
				iny						#S.PS.hStdErr
				sta (pPS),y
*--------------------------------------
Kernel.Init3C	>PUSHWI MSG.Init3
				>PUSHBI 0
				>SYSCALL2 printf

				jsr HW.Detect

				jsr CPU.Init

				jsr CPU.Init.Z80

				jsr DevMgrInit

				jsr IrqMgrInit
				bcs *

				jsr EvtMgrInit

				jsr TskMgrInit
				bcs *

				jsr PwdMgrInit

				>PUSHWI MSG.EXEC
				>PUSHWI SBININITD
				>PUSHBI 2
				>SYSCALL PrintF

				>PUSHWI SBININITD
				>PUSHBI 0				PS Flags
				>SYSCALL2 ExecV
				bcs Kernel.Init3.Err

				>PUSHWI MSG.Init3.OK
				>PUSHBI 0
				>SYSCALL2 printf
				>DEBUGOA

				jmp CORE.Run
Kernel.Init3.Err
				pha
				>PUSHWI MSG.StartupErr
				pla
				>PUSHA
				>PUSHBI 1
				>SYSCALL2 printf
				bra *					No need to discard Expanded CMDLINE
*--------------------------------------
* INIT2 Subs
*--------------------------------------
KConfigLoad		>LDYAI MSG.KCREAD
				jsr PrintFYA

				jsr MLIENTRY			Bypass ATALK
				.DA #MLIGETFILEINFOEX
				.DA pMLIGFIEX
				bcc .1
				eor #MLI.E.BADCALL
				beq .2					regular ProDOS

				ror A2osX.FSID			Bad file, but ProDOS.FX detected
				bra .9

.1				sec
				ror A2osX.FSID			File Present & ProDOS.FX detected

.2				jsr MLI
				.DA #MLIOPEN
				.DA pMLIOPEN
				bcs .9

				lda pMLIOPEN+5
				sta pMLIREAD+1
				sta pMLICLOSE+1
				jsr MLI
				.DA #MLIREAD
				.DA pMLIREAD
				php
				pha
				jsr MLI
				.DA #MLICLOSE
				.DA pMLICLOSE
				pla
				plp
				bcs .9

				>LDYAI MSG.KCREAD.OK
				bra .8

.9				>LDYAI MSG.KCREAD.KO

.8				jsr PrintFYA
				lda A2osX.FSID
				beq .99

				>LDYAI MSG.PRODOSFX
				jsr PrintFYA

.99				rts
*--------------------------------------
* INIT3 Subs
*--------------------------------------
MemMgrInit		>LDYAI Mem.MHiMem
				>STYA Mem.HiMem
				>STYA Mem.Free
				>LDYAI Mem.MLoMem
				>STYA Mem.LoMem
				stz Mem.LastSlot		Reserve Slot #0

				sta SETWRITEAUX

				>LDYAI Mem.XLoMem
				>STYA Mem.LoMem

				stz Mem.LastSlot		Reserve Slot #0
				sta CLRWRITEAUX

				ldx #K.hFD.MAX-1

.1				stz hFDs,x
				stz hFDs.hName,x
				stz hFDs.oCnt,x
				dex
				bpl .1

				ldx #K.PS.MAX*4-1

.3				stz PS.Table.PID,x
				dex
				bpl .3

				ldx #K.EVT.MAX*S.EVT-1

.5				stz Evt.Table,x
				dex
				bpl .5

				ldx #K.USR.MAX*2-1

.6				stz S.Table.hSID,x
				dex
				bpl .6

				ldx #K.FLT.MAX*4-1

.7				stz Flt.Table.pftLO,x
				dex
				bpl .7

				rts
*--------------------------------------
SysScrInit		>LDYAI Mem.XHiMem
				>STYA FD.TTY+S.FD.DEV.DCBPTR

				jsr SysScrInit.TTYPtrs

				>PUSHWI FD.TTY
				>PUSHWI FD.CONSOLE.NAME

				>SYSCALL2 MKDev
				bcs .9

				ldx A2osX.TTYDEVS

.1				phx
				inc FD.TTY+S.FD.DEV.DEVID
				inc FD.TTY.NAME+3
				jsr SysScrInit.TTYPtrs

				>PUSHWI FD.TTY
				>PUSHWI FD.TTY.NAME

				>SYSCALL2 MKDev
				plx
				bcs .9

				dex
				bne .1

*				clc
.9				rts
*--------------------------------------
SysScrInit.TTYPtrs
				lda FD.TTY+S.FD.DEV.DCBPTR
				sec
				sbc #80*24+S.DCB.TTY
				sta FD.TTY+S.FD.DEV.DCBPTR
				sta ZPPtr1
				tay

				lda FD.TTY+S.FD.DEV.DCBPTR+1
				sbc /80*24+S.DCB.TTY
				sta FD.TTY+S.FD.DEV.DCBPTR+1
				sta ZPPtr1+1

				sta SETWRITEAUX

				>STYA Mem.HiMem
				>STYA Mem.Free

				ldy #S.DCB.TTY-1

				lda #0
				
.1				sta (ZPPtr1),y
				dey
				bne .1
				
				lda FD.TTY+S.FD.DEV.DEVID
				sta (ZPPtr1)

				sta CLRWRITEAUX

				rts
*--------------------------------------
* http://www.1000bit.it/support/manuali/apple/technotes/misc/tn.misc.02.html
* https://mirrors.apple2.org.za/apple.cabi.net/FAQs.and.INFO/A2.TECH.NOTES.ETC/A2.CLASSIC.TNTS/a2misc007(1).htm
*--------------------------------------
HW.Detect		>PUSHWI MSG.HW
				>PUSHBI 0
				>SYSCALL2 printf

				bit RROMBNK1

				stz A2osX.HWType
				stz A2osX.HWSubT

				sec
				jsr $FE1F				IIgs ?
				bcs .2

				lda #A2osX.HWType.IIgs
				sta A2osX.HWType

				cpy #2
				bne .1

				iny

.1				sty A2osX.HWSubT
				bra .8

.2				lda $FBC0
				beq .4					//c

				ldx #A2osX.HWType.IIe
				stx A2osX.HWType
				cmp #$EA
				beq .8					//e OLD ROMs

				inc A2osX.HWSubT		//e Enh ROMs
				lda $FBDD
				cmp #2
				bne .8

				inc A2osX.HWSubT		//e LC card
				bra .8

.4				lda #A2osX.HWType.IIc
				sta A2osX.HWType
				lda $FBBF
				sta A2osX.HWSubT

.8				bit RRAMWRAMBNK1
				bit RRAMWRAMBNK1

				>PUSHWI MSG.HW.TypeSubT
				>PUSHB A2osX.HWType
				>PUSHB A2osX.HWSubT
				>PUSHBI 2
				>SYSCALL2 printf
				rts
*--------------------------------------
CPU.Init		>PUSHWI MSG.CPU
				>PUSHBI 0
				>SYSCALL2 printf
				jsr Detect6502			A = CPU type
				sta A2osX.CPUTYPE
				and #$F
				asl
				tax
				ldy MSG.CPUTYPE,x
				lda MSG.CPUTYPE+1,x
				>SYSCALL2 puts

				>PUSHWI MSG.CPU.SPEED
				>PUSHB A2osX.HZ
				>PUSHBI 1
				>SYSCALL2 printf

				stz A2osX.CPUSPEED+1

				ldx A2osX.HZ
				ldy #0

				php
				sei

				lda A2osX.HWType
				cmp #A2osX.HWType.IIc
				beq CPU.Init2c

.1				bit VBL					//e : Wait VBL high....
				bpl .1

.2				lda VBL					//e : wait VBL low
				bmi .2

.3				pha						(3)
				pla						(4)
				pha						(3)
				pla						(4)
				pha						(3)
				pla						(4)
				pha						(3)
				pla						(4)
				pha						(3)
				pla						(4)

				iny
				cpy #100
				bne .5

				ldy #0
				inc A2osX.CPUSPEED+1

.5				eor VBL					(4)
				bpl .3					(2*)

				dex
				bne .3

				bra CPU.InitOK
*--------------------------------------
CPU.Init2c		lda RDIOUDIS
				pha
				sta CLRIOUDIS

				lda IO.IIC.RDVBLMSK
				pha						Save VBLIRQ enable
				sta IO.IIC.ENVBL

				lda IO.IIC.CLRVBLIRQ

.1				bit VBL					Wait VBL high....
				bpl .1

				bit IO.IIC.CLRVBLIRQ	clear //c IRQ

.3				lda #60

.4				pha						(3)
				pla						(4)
				pha						(3)
				pla						(4)

				dec
				bne .4

				iny
				cpy #100
				bne .5

				inc A2osX.CPUSPEED+1
				ldy #0

.5				bit VBL					Wait VBL high....
				bpl .3

				bit IO.IIC.CLRVBLIRQ	clear //c IRQ

				dex
				bne .3

				pla						Disable VBLIRQ ?
				bpl .8

				sta IO.IIC.DISVBL
				
.8				pla
				bpl CPU.InitOk

				sta SETIOUDIS
*--------------------------------------
CPU.InitOk		plp

				sty A2osX.CPUSPEED

				>PUSHWI MSG.CPU.SPEEDOK
				lda A2osX.CPUSPEED+1
				>PUSHA					push CPU speed HI
				lda A2osX.CPUSPEED
				>PUSHA					push CPU speed LO
				>PUSHBI 2
				>SYSCALL2 printf
				rts
*--------------------------------------
CPU.Init.Z80	>PUSHWI MSG.Z80
				>PUSHBI 0
				>SYSCALL2 printf
				jsr DetectZ80
				bcs .9
				sta A2osX.Z80SLOT
				tax
				lda #A2osX.S.Z80
				sta A2osX.S,x

				>PUSHWI MSG.Z80.OK
				lda A2osX.Z80SLOT
				>PUSHA
				>PUSHBI 1
				>SYSCALL2 printf
				rts

.9				>LDYAI MSG.Z80.KO
				>SYSCALL2 puts
				rts
*--------------------------------------
* Out:
*  A = $60, 6502
*  A = $61, 65C02
*  A = $62, 65R02
*  A = $63, 65816
*--------------------------------------
Detect6502		ldy #0					Test 6502 BCD bug
				sed
				lda #$99
				clc
				adc #$01
				cld
				bmi .9					BUG!, we have 6502

				ldy #3					test 65C816 TYX Instruction
				ldx #0
				.OP 65816
				tyx						TYX: if 65C816, x becomes non-zero
				.OP 65C02
				bne .9					worked! 65C816

				dey						y=2 -> R65C02
				ldx $EA					save zp $EA
				stz $EA					store 0 in $EA
*				.OP 65R02
				.HS F7EA				For compatibility with A2osX.ASM
*				smb 7,$EA				if not Rockwell, assemble as nop nop
*				.OP	65C02
				asl $EA					cs if Rockwell
				stx $EA					restore zp $EA
				bcs .9
				dey						y=1 -> 65C02
.9				tya
				ora #$60
				rts
*--------------------------------------
* Out:
*  A = Z80 Slot
*--------------------------------------
DetectZ80		ldx #Z80Code.Size

.1				lda Z80Code.Start-1,x
				sta Z80CODE-1,x			00000H for Z80
				dex
				bne .1

				stz ZPPtr1
				lda #$C1

				sta ZPPtr1+1

.2				sta (ZPPtr1)
				lda $100D
				bmi .8

				inc ZPPtr1+1
				lda ZPPtr1+1
				cmp #$C8
				beq .9					CS

				clc
				adc #$20
				sta $100A
				bra .2

.8				lda ZPPtr1+1
				and #$0F
				clc
.9				rts
*--------------------------------------
DevMgrInit		>LDYAI MSG.DEV
				>SYSCALL2 puts

				jsr DevMgrInit.VXD

				lda DEVCNT
				sta .1+1

.1				ldx #$ff				SELF MODIFIED
				lda DEVLST,x
				and #$F0
				asl
				php						Save Drive 1/2 in C
				ror						DSSS0000
				lsr
				lsr
				lsr

				tax						000DSSS0
				lsr						0000DSSS
				and #$7
				sta FD.BDEV+S.FD.DEV.BUSID

				ora #$30
				sta FD.BDEV.NAME+1		SnDy

				lda DEVPTRS,x
				sta FD.BDEV+S.FD.DEV.BUSPTR
				lda DEVPTRS+1,x
				sta FD.BDEV+S.FD.DEV.BUSPTR+1

				sta ZPPtr1+1
				stz ZPPtr1				Cn00

				plp
				lda #0
				adc #1					Make DevID 1 or 2
				sta FD.BDEV+S.FD.DEV.DEVID
				ora #$30
				sta FD.BDEV.NAME+3		SxDn
				lda ZPPtr1+1

				cmp #$FF				/RAM is always $FF00
				bne .2

				jsr DevMgrInit.RAM
				bra .8					keep slot free

.2				cmp #$D0				Disk II Driver is $D000
				bne .3

				jsr DevMgrInit.DII
				lda #A2osX.S.DII
				bra .7					Go mark slot as USED

.3				bcs .53					> $D0, Some BLK remapped DRV

				cmp #$C0
				bcs .4					$C0 .. $CF, in slot ROM

				jsr DevMgrInit.USR		Outside ROM/LC space, User loaded BLK dev
				bra .8					keep slot free

.4				ldx #SmartPort.SIG-SmartPort.OFS-1

.5				ldy SmartPort.OFS,x		Check if there is a smartport firmware
				lda (ZPPtr1),y
				cmp SmartPort.SIG,x
				bne .8					not a Disk Controller...

				dex
				bpl .5

				ldy #7
				lda (ZPPtr1),y
				bne .6					$Cn07=00 : SmartPort

				jsr DevMgrInit.SP
				lda #A2osX.S.SP
				bra .7

.53				jsr DevMgrInit.RSP		Remapped SP devices....
				bra .8					don't mark slot as busy

.6				jsr DevMgrInit.BLK
				lda #A2osX.S.BLK

.7				ldx FD.BDEV+S.FD.DEV.BUSID
				sta A2osX.S,x

.8				dec .1+1
				bmi .80

				jmp .1
.80				clc
				rts
*--------------------------------------
DevMgrInit.RAM	ldx #0
				.HS 2C					BIT ABS
*--------------------------------------
DevMgrInit.DII	ldx #2
				.HS 2C					BIT ABS
*--------------------------------------
DevMgrInit.USR	ldx #4
				.HS 2C					BIT ABS
*--------------------------------------
DevMgrInit.BLK	ldx #6
				bra DevMgrInit.AddBDev
*--------------------------------------
DevMgrInit.SP	ldy #$ff
				lda (ZPPtr1),y
				clc
				adc #3					Compute smartport entry point
				sta FD.BDEV+S.FD.DEV.BUSPTR

				ldx #8
				.HS 2C					BIT ABS

DevMgrInit.RSP	ldx #10
*--------------------------------------
DevMgrInit.AddBDev
				>LDYA DRV.BLKDEVX,x
				>STYA FD.BDEV+S.FD.DEV.DRVPTR

				>PUSHWI MSG.BLKDEV
				>PUSHWI FD.BDEV.NAME
				>PUSHW FD.BDEV+S.FD.DEV.BUSPTR
				>PUSHW MSG.BLKDEV.TBL,x
				>PUSHBI 6
				>SYSCALL2 printf

				>PUSHWI FD.BDEV
				>PUSHWI FD.BDEV.NAME
				>SYSCALL2 MKDev

				rts
*--------------------------------------
DevMgrInit.VXD	>LDYAI VSD.PATCH

				jsr .10
				bcc .8
				
				>LDYAI VED.PATCH
				jsr .10
				bcs .9

.8				ldy #4
				lda (ZPPtr1),y
				sec
				sbc #1
				sta .81+1
				
				iny
				lda (ZPPtr1),y
				sbc #0
				sta .81+2

				php
				sei

				bit RRAMWRAMBNK2
				bit RRAMWRAMBNK2
				sta CLRALTZP
.81				ldx $FFFF				SELF MODIFIED : Slot0n
				sta SETALTZP
				bit RRAMWRAMBNK1
				bit RRAMWRAMBNK1

				lda #A2osX.S.VXDRIVE
				sta A2osX.S,x

				plp

.9				rts
*--------------------------------------
.10				>STYA ZPPtr1

				ldy #VXD.PATCH.SIZE-1

.11				lda $BF41,y
				cmp (ZPPtr1),y
				bne .19

				dey
				bpl .11
				
				clc
				rts
				
.19				sec
				rts				
*--------------------------------------
VSD.PATCH		bit RRAMWRAMBNK2
				jsr $D002
				bit RRAMWRAMBNK1
				rts
*--------------------------------------
VED.PATCH		bit RRAMWRAMBNK2
				jsr $D401
				bit RRAMWRAMBNK1
				rts
VXD.PATCH.SIZE	.EQ 10
*--------------------------------------
* Setup AuxLC $FFFE->Kernel IRQ Handler
* if irq not handled, jmp (S.IrqMgrOldFFFE)
*--------------------------------------
IrqMgrInit		>LDYAI MSG.IRQ
				>SYSCALL2 puts

				php
				sei
				>LDYA $FFFE
				>STYA IRQ.JMP+1
				>LDYAI IRQ.Handler
				>STYA $FFFE

				>LDYAI GP.IRQ
				>STYA K.MLI.PARAMS+2

				>MLICALL MLIALLOCIRQ
				bcs .9
				lda K.MLI.PARAMS+1
				sta IRQ.INTNUM

				plp
*--------------------------------------
				lda A2osX.HWType
				cmp #A2osX.HWType.IIgs
				bne .1

				lda #"G"
				sta IRQ.Mode

				lda #$08
				tsb IO.IIGS.INTEN

				jsr IrqMgrInit.HZ2Tick

				>LDYAI CORE.IRQ.IIGS
				jsr IrqMgrInit.SetV

				>LDYAI CORE.IRQ.IIGS.Off
				>STYA CORE.Quit+3

				>LDYAI MSG.IRQ.IIGS
				bra .8

.9				plp
				sec
				rts

.1				cmp #A2osX.HWType.IIc
				beq .2

				jsr IrqMgrInit.TClock
				bcs .3

				lda #"C"
				sta IRQ.Mode

				>LDYAI CORE.IRQ.TCLOCK
				jsr IrqMgrInit.SetV

				>LDYAI CORE.IRQ.TCLOCK.Off
				>STYA CORE.Quit+3

				>LDYAI MSG.IRQ.CLOCK
				bra .8

.2				php
				sei
				sta CLRPAGE2
				lda #$60
				sta $5fa				//c EXTINT COM1:Dont buffer but get IRQ
				sta $5fb				//c EXTINT COM2:Dont buffer but get IRQ

				stz $5FA				//c TYPHED no keyboard buffering

				stz $4FF				//c ROM FF: no ACIABUF
				stz $4FC				//c ROM 0X: no ACIABUF
				plp

.3				jsr IrqMgrInit.Mouse
				bcs .7

				lda #"V"
				sta IRQ.Mode

				>LDYAI CORE.IRQ.MOUSE
				jsr IrqMgrInit.SetV

				>LDYAI CORE.IRQ.MOUSE.Off
				>STYA CORE.Quit+3

				>LDYAI MSG.IRQ.MOUSE
				bra .8

.7				jsr IrqMgrInit.HZ2Tick

				lda #"P"
				sta IRQ.Mode
				>LDYAI MSG.IRQ.POLL

.8				>SYSCALL2 puts

				clc
				rts
*--------------------------------------
IrqMgrInit.SetV	>STYA IRQ.JSR+1
				>STYA GP.IRQ.JSR+1
				rts
*--------------------------------------
IrqMgrInit.TClock
				stz ZPPtr1				Try finding a TClock Card...
				lda #$C1
				sta ZPPtr1+1

.1				ldx #TClock.SIG-TClock.OFS-1

.2				ldy TClock.OFS,x
				lda (ZPPtr1),y
				cmp TClock.SIG,x
				bne .3

				dex
				bpl .2

				bra .4

.3				inc ZPPtr1+1			no match, try next slot....
				lda ZPPtr1+1
				cmp #$C8
				bne .1

*				sec
				rts

.4				lda ZPPtr1+1			get $Cn
				and #$f
				tax						get $0n
				asl
				asl
				asl
				asl
				tay						get $n0
				sty IRQ.n0
				lda #A2osX.S.CLK
				sta A2osX.S,x

				php
				sei

				lda #$40+$20			Enable interrupt + 64Hz
				sta $c080,y

				lda #$40

*				sta SETPAGE2
*				sta $478,x
*				sta $7f8,x

*				sta CLRPAGE2
				sta $478,x
				sta $7f8,x

				lda #64
				sta CORE.TickPerSec
				sta CORE.TickSec

				lda #11
				sta CORE.TickPer10t
				sta CORE.Tick10t
				dec A2osX.IRQMode

				plp
				clc
				rts
*--------------------------------------
IrqMgrInit.Mouse
				stz ZPPtr1				Try finding a Mouse Card...
				lda #$C1
				sta ZPPtr1+1

.1				ldx #Mouse.SIG-Mouse.OFS-1

.2				ldy Mouse.OFS,x
				lda (ZPPtr1),y
				cmp Mouse.SIG,x
				bne .3
				dex
				bpl .2
				bra .4
.3				inc ZPPtr1+1			no match, try next slot....
				lda ZPPtr1+1
				cmp #$C8
				bne .1

				sec
				rts

.4				lda ZPPtr1+1

				sta .11+2
				sta CORE.IRQ.MOUSE.Off.1+2
				sta CORE.IRQ.MOUSE+2
				sta CORE.IRQ.MOUSE.2+2
				and #$0f
				sta IRQ.0n
				asl
				asl
				asl
				asl

				sta IRQ.n0

				php
				sei
				bit RROMBNK2			Renable ROM to allow MOUSE II firmware works properly
				ldy #INITMOUSE
				jsr .10

				ldy #SETMOUSE
				lda (ZPPtr1),y
				sta CORE.IRQ.MOUSE.Off.1+1
				lda #MOUSEMODx.INTVBL+MOUSEMODx.ACTIVE
				jsr .10

				bit RRAMWRAMBNK1		Back To LC Ram
				bit RRAMWRAMBNK1
				ldy #SERVEMOUSE
				lda (ZPPtr1),y
				sta CORE.IRQ.MOUSE+1

				ldy #READMOUSE
				lda (ZPPtr1),y
				sta CORE.IRQ.MOUSE.2+1

				jsr IrqMgrInit.HZ2Tick
				dec A2osX.IRQMode

				plp
				clc
				rts

.9				plp
				sec
				rts

.10				pha
				lda (ZPPtr1),y
				sta .11+1
				pla
				ldx .11+2				Cn
				ldy IRQ.n0

.11				jmp $ffff				SELF MODIFIED
*--------------------------------------
IrqMgrInit.HZ2Tick
				lda A2osX.HZ
				sta CORE.TickPer10t
				sta CORE.Tick10t
				asl
				asl
				clc
				adc A2osX.HZ

				asl

				sta CORE.TickPerSec
				sta CORE.TickSec

				rts
*--------------------------------------
EvtMgrInit		>LDYAI MSG.EVT
				>SYSCALL2 puts

				stz CORE.EvtCount

				lda /Evt.Table
				sta pEvent+1
				clc
				rts
*--------------------------------------
TskMgrInit		>LDYAI MSG.TSK
				>SYSCALL2 puts

				>LDYAI K.ENV.SIZE		get a buffer for ENV
				>SYSCALL NewStkObj		Buffer in AUX mem
				bcs .99

				>STYA ZPPtr1

				txa

				ldy	#S.PS.hENV
				sta (pPS),y

				sta SETWRITEAUX
				lda #0
				sta (ZPPtr1)			make sure blank!!

				sta CLRWRITEAUX

				>PUSHWZ
				>PUSHWZ
				>SYSCALL OpenSession
				bcs .99

				sta S.Table.hSID

				ldy #S.PS.hStdIn
				lda (pPS),y
				sta S.Table.hFile

				lda #1
				ldy #S.PS.hSession
				sta (pPS),y

				>LDYAI $2E0				Get ROOT from QC
				>SYSCALL2 strdup
.99				bcs .9

				txa
				ldy #S.PS.hCWD
				sta (pPS),y

				>PUSHWI I.ENV.BOOT
				>PUSHWI $2C0			Get BOOT from QC
				>SYSCALL2 SetEnv
				bcs .9

				>PUSHWI I.ENV.ROOT
				>PUSHWI $2E0			Get ROOT from QC
				>SYSCALL2 SetEnv
				bcs .9

				>PUSHWI I.ENV.PATH
				>SYSCALL2 PutEnv
				bcs .9

				>PUSHWI I.ENV.LIB
				>SYSCALL2 PutEnv
				bcs .9

				>PUSHWI I.ENV.DRV
				>SYSCALL2 PutEnv
.9				rts
*--------------------------------------
PwdMgrInit		>LDYAI MSG.PWD
				>SYSCALL2 puts

				>LDYAI PWD.ETCPASSWD
				>SYSCALL2 LoadStkObj
				bcs .1

				stx PWD.hUsrDB
				>STYA PWD.UsrDBSize

				>LDYAI PWD.ETCGROUP
				>SYSCALL2 LoadStkObj
				bcs .1

				stx PWD.hGrpDB
				>STYA PWD.GrpDBSize

.1
*				clc
.9				rts
*--------------------------------------
* Modified CHARGET/CHARGOT for ROM CALL
* CHRGET         .EQ $B1 - C8
*--------------------------------------
Kernel.ZP		.PH $B1
CHARGET			inc TXTPTR
				bne CHARGOT
				inc TXTPTR+1
CHARGOT			lda $ffff
				beq ZP.IsDigit.9
ZP.IsDigit		cmp #'0'
				bcc ZP.IsDigit.9
				cmp #'9'+1
				rts
ZP.IsDigit.9	sec
				rts
				.EP
Kernel.ZP.S		.EQ *-Kernel.ZP
*--------------------------------------
Z80Code.Start	.HS	31FF00				START:	LD SP,000FFH		Init Stack
				.HS	3EFF						LD A,0FFH			Set Flag
				.HS	320D00						LD (FLAG),A
				.HS	3200E1						LD (0E100H),A		Back to 6502
				.HS	18F3						JR START			Loop
				.HS 00					FLAG:	.DB 0
Z80Code.Size	.EQ *-Z80Code.Start
*--------------------------------------
Mouse.OFS		.HS 05070B0CFB
Mouse.SIG		.HS 38180120D6
*--------------------------------------
TClock.OFS		.HS 00020406
TClock.SIG		.HS	08285870
*--------------------------------------
SmartPort.OFS	.HS 010305
SmartPort.SIG	.HS 200003
*--------------------------------------
MSG.Init2		.CZ "A2osX[Stage2]:Init\rRelocating Kernel...\r"
MSG.KCREAD		.CZ "Reading Kernel Config File..."
MSG.KCREAD.OK	.CZ "OK\r"
MSG.KCREAD.KO	.CZ "\rError While Reading Kernel Config File, Using Default.\r"
MSG.HZ			.CZ "Kernel SYS Timer Set For %d0 hz Machine.\r"
MSG.PRODOSFX	.CZ "!!!Running under ProDOS.FX!!! Enabling lowercase mode.\r"
MSG.Init2.OK	.CZ "A2osX[Stage2]:Complete."
*--------------------------------------
MSG.Init3		.CZ "A2osX[Stage3]:Init *** Press Ctrl-R for entering ROOT Mode ***\r\n"
MSG.DEV			.AZ "Device Manager..."
MSG.BLKDEV		.CZ "  Adding Device: /dev/%s, Addr:%H, Type: %s\r\n"
MSG.BLKDEV.TBL	.DA MSG.BLKDEV.RAM
				.DA MSG.BLKDEV.DII
				.DA MSG.BLKDEV.USR
				.DA MSG.BLKDEV.BLK
				.DA MSG.BLKDEV.SP
				.DA MSG.BLKDEV.RSP
MSG.BLKDEV.RAM	.AZ "/RAM Disk"
MSG.BLKDEV.DII	.AZ "Disk ]["
MSG.BLKDEV.USR	.AZ "User"
MSG.BLKDEV.BLK	.AZ "Generic Block"
MSG.BLKDEV.SP	.AZ "Smart Port"
MSG.BLKDEV.RSP	.AZ "Remapped SP"
DRV.BLKDEVX		.DA DRV.RamDrive
				.DA DRV.DiskII
				.DA DRV.BlkDev
				.DA DRV.BlkDev
				.DA DRV.SmartPort
				.DA DRV.BlkDev
*--------------------------------------
MSG.IRQ			.AZ "Interrupt Manager..."
MSG.IRQ.IIGS	.AZ "  Apple IIgs VBL IRQ Activated."
MSG.IRQ.MOUSE	.AZ "  Mouse Card VBL IRQ Activated."
MSG.IRQ.CLOCK	.AZ "  Clock Card IRQ Activated."
MSG.IRQ.POLL	.AZ "  Polling Mode."
MSG.EVT			.AZ "Event Manager..."
MSG.TSK			.AZ "Task Manager..."
MSG.PWD			.AZ "Password Manager..."
MSG.EXEC		.AZ "Executing %s..."
MSG.StartupErr	.CZ "Failed : [$%h]\r\n"
MSG.Init3.OK	.CZ "OK\r\nA2osX[Stage3]:Complete.\r\n"
*--------------------------------------
MSG.HW			.AZ "Checking Hardware..."
MSG.HW.TypeSubT	.CZ "Type=%h,SubT=%h\r\n"
MSG.CPU			.AZ "Checking CPU..."
MSG.CPUTYPE		.DA MSG.6502
				.DA MSG.65C02
				.DA MSG.65R02
				.DA MSG.65816
MSG.6502		.AZ "6502."
MSG.65C02		.AZ "65C02."
MSG.65R02		.AZ "65R02."
MSG.65816		.AZ "65816."
MSG.CPU.SPEED	.AZ "Checking CPU Speed (%d0Hz)..."
MSG.CPU.SPEEDOK	.CZ "%d.%02d Mhz.\r\n"
MSG.Z80			.AZ "Checking Z80 CPU..."
MSG.Z80.OK		.CZ "Detected In Slot %d.\r\n"
MSG.Z80.KO		.AZ "Not Detected."
*--------------------------------------
DEV.CONSOLE		.AZ "/dev/console"
RAMx			.AZ "/RAMx"
I.ENV.BOOT		.AZ "BOOT"
I.ENV.ROOT		.AZ "ROOT"
I.ENV.PATH		.AZ "PATH=${BOOT}sbin/:${BOOT}bin/"
I.ENV.LIB		.AZ "LIB=${BOOT}lib/"
I.ENV.DRV		.AZ "DRV=${BOOT}drv/"
SBININITD		.AZ "${ROOT}sbin/initd"
				.DA #0					end of ARGV for ExecV
*--------------------------------------
pMLIGFIEX		.DA #2
				.DA FNKConfig
				.BS S.FIEX
*--------------------------------------
pMLIOPEN		.DA #3
				.DA FNKConfig
				.DA $B000
				.BS 1
FNKConfig		.PS "A2osX.kconfig"
*--------------------------------------
pMLIREAD		.DA #4
				.BS 1
				.DA A2osX.KCONFIG
				.DA 16
				.BS 2
*--------------------------------------
pMLICLOSE		.DA #1
				.BS 1
*--------------------------------------
FD.NULL			.DA #S.FD.T.CDEV
				.DA #0					HANDLER
				.DA #0					BUSID
				.DA #0					DEVID
				.DA 0					BUSPTR
				.DA DRV.NULL
				.DA 0					DCBPTR
				.DA 0					BUFPTR
*--------------------------------------
FD.NULL.NAME	.AZ "null"				NAME
*--------------------------------------
FD.TTY			.DA #S.FD.T.CDEV
				.DA #0					HANDLER
				.DA #0					BUSID
				.DA #0					DEVID
				.DA 0					BUSPTR
				.DA DRV.TERM
				.BS 2					DCBPTR
				.BS 2					BUFPTR
*--------------------------------------
FD.CONSOLE.NAME	.AZ "console"
FD.TTY.NAME		.AZ "tty0"
*--------------------------------------
FD.BDEV			.DA #S.FD.T.BDEV
				.DA #0					HANDLER
				.DA #0					BUSID
				.DA #0					DEVID
				.BS 2					BUSPTR
				.BS 2					DRVPTR
				.DA 0					DCBPTR
				.DA 0					BUFPTR
*--------------------------------------
FD.BDEV.NAME	.AZ "s1d1"
*--------------------------------------
MAN
SAVE usr/src/sys/kernel.s.init
LOAD usr/src/sys/kernel.s
ASM