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A2osX/SYS/KERNEL.S.INIT.txt
burniouf 74acfeccd1 KERNEL & DRVs : lot of fixes around DEV.Open() , KCONFIG 
SH : fiw for line wrap
ProDOS.FX : removed a strange bug inherited from 2.0.3 trashing FCBs
2023-11-26 14:17:41 +01:00

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NEW
AUTO 3,1
*--------------------------------------
Kernel.Init2 sei
ldx #$FF
txs
sta IO.SETALTZP
stx SaveSM
stx SaveSX
.DO K8M=1
sta IO.CLRALTZP
.FIN
ldx #Kernel.ZP.S-1
.1 lda Kernel.ZP,x
sta CHARGET,x
dex
bpl .1
.DO K8M=0
sta IO.CLRALTZP
.FIN
>LDYAI MSG.Init2
jsr PrintFYA
.DO K8M=0
sta IO.SETALTZP
.FIN
>LDYA PAKME.GP
>STYA ZPInBufPtr
>LDYAI $0140
jsr A2osX.Unpak
.DO K8M=0
sta IO.CLRALTZP
.FIN
>LDYA PAKME.MAIN
>STYA ZPInBufPtr
>LDYAI MAIN.ORG
jsr A2osX.Unpak
.DO K8M=0
>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 IO.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 IO.CLRWRITEAUX
.FIN
.DO K8M=0
sta IO.SETALTZP
.FIN
lda IO.RRAMWRAMBNK2
lda IO.RRAMWRAMBNK2
>LDYA PAKME.D2
>STYA ZPInBufPtr
>LDYAI $D000
jsr A2osX.Unpak
lda IO.RRAMWRAMBNK1
lda IO.RRAMWRAMBNK1
>LDYA PAKME.D1
>STYA ZPInBufPtr
>LDYAI $D000
jsr A2osX.Unpak
>LDYA PAKME.E0
>STYA ZPInBufPtr
>LDYAI $E000
jsr A2osX.Unpak
lda IO.RROMBNK1
.DO K8M=0
sta IO.CLRALTZP
.FIN
cli
jsr KConfigLoad
lda A2osX.FSID
beq .5
sta IO.SETALTZP
sta A2osX.FSID
sta IO.CLRALTZP
>LDYAI MSG.FX
jsr PrintFYA
.5 sta IO.SETALTZP
lda A2osX.HZ
sta IO.CLRALTZP
pha
>LDYAI MSG.HZ
jsr PrintFYA
>LDYAI MSG.Init2.OK
jsr PrintFYA
*--------------------------------------
>DEBUGOA
*--------------------------------------
Kernel.Init3 sta IO.SETALTZP
lda IO.RRAMWRAMBNK1
lda IO.RRAMWRAMBNK1
lda #$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 IO.SETALTCHAR
sta IO.SETMIXED
sta IO.CLRHIRES
sta IO.SET80DISP
sta IO.SET80STORE
sta IO.CLRPAGE2
lda IO.RDIOUDIS
sta IO.SETIOUDIS
sta IO.SETDHIRES
bmi .10
sta IO.CLRIOUDIS
.10 jsr MemMgrInit
>LDYAI S.PS Select Process 0 (Kernel)
jsr K.GetMem0
>STYA pPs
stx PSs.hPS
jsr Mem.SetOwner
lda #1
sta CORE.PSCount
>LDYAI K.STACKTOP
>STYA pStack
sta pBase+1
jsr SysCDEVInit
bcs *
* sta IO.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 >LDYAI MSG.Init3
>SYSCALL2 PutS
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
>LDYAI MSG.Init3.OK
>SYSCALL2 PutS
>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 GP.MLIENTRY Bypass ATALK
.DA #MLI.GFINFOEX
.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 #MLI.OPEN
.DA pMLIOPEN
bcs .9
lda pMLIOPEN+5
sta pMLIREAD+1
sta pMLICLOSE+1
jsr MLI
.DA #MLI.READ
.DA pMLIREAD
php
pha
jsr MLI
.DA #MLI.CLOSE
.DA pMLICLOSE
pla
plp
bcs .9
ldx #15
.3 lda A2osX.KCONFIG,x
sta IO.SETALTZP
sta A2osX.KCONFIG,x
sta IO.CLRALTZP
dex
bpl .3
>LDYAI MSG.KCREAD.OK
bra .8
.9 >LDYAI MSG.KCREAD.KO
.8 jsr PrintFYA
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 IO.SETWRITEAUX
>LDYAI Mem.XLoMem
>STYA Mem.LoMem
stz Mem.LastSlot Reserve Slot #0
sta IO.CLRWRITEAUX
ldx #K.FILE.MAX-1
.1 stz FILEs.hFD,x
stz FILEs.hName,x
stz FILEs.oCnt,x
dex
bpl .1
ldx #K.PS.MAX*4-1
.3 stz PSs.PID,x
dex
bpl .3
ldx #K.FD.MAX-1
.4 stz FDs.pLO,x
stz FDs.pHI,x
dex
bpl .4
ldx #K.EVT.MAX*S.EVT-1
.5 stz K.S.EVT,x
dex
bpl .5
ldx #K.USR.MAX*2-1
.6 stz USRs.hSID,x
dex
bpl .6
ldx #K.PFT.MAX*4-1
.7 stz PFTs.pLO,x
dex
bpl .7
rts
*--------------------------------------
SysCDEVInit >PUSHWI FD.NULL
>PUSHWI FD.NULL.NAME
>SYSCALL2 MKDev
bcs .9
>LDYAI Mem.XHiMem
>STYA FD.TTY+S.FD.DEV.DCBPTR
jsr SysCDEVInit.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 SysCDEVInit.TTYPtrs
>PUSHWI FD.TTY
>PUSHWI FD.TTY.NAME
>SYSCALL2 MKDev
plx
bcs .9
dex
bne .1
* clc
.9 rts
*--------------------------------------
SysCDEVInit.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 IO.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 IO.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 IO.RROMBNK1
stz A2osX.HWT
stz A2osX.HWSubT
sec
jsr $FE1F ROM.IDROUTINE IIgs ?
bcs .2
lda #A2osX.HWT.IIgs
sta A2osX.HWT
cpy #2
bne .1
iny
.1 sty A2osX.HWSubT
bra .8
.2 lda $FBC0 ROM.ZIDBYTE
beq .4 //c
ldx #A2osX.HWT.IIe
stx A2osX.HWT
cmp #$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.HWT.IIc
sta A2osX.HWT
lda $FBBF
sta A2osX.HWSubT
.8 bit IO.RRAMWRAMBNK1
bit IO.RRAMWRAMBNK1
>PUSHWI MSG.HW.TypeSubT
>PUSHB A2osX.HWT
>PUSHB A2osX.HWSubT
>PUSHBI 2
>SYSCALL2 printf
rts
*--------------------------------------
CPU.Init >PUSHWI MSG.CPU
>PUSHBI 0
>SYSCALL2 printf
jsr Detect6502 A = CPU type
sta A2osX.CPUTYPE
and #$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
ldy #0
php
sei
lda A2osX.HWT
cmp #A2osX.HWT.IIc
beq CPU.Init2c
*--------------------------------------
* VBL = 20.000us 50hz, 16.666 60hz
*--------------------------------------
ldx A2osX.HZ
.1 bit IO.VBL //e : Wait VBL high....
bpl .1
.2 lda IO.VBL //e : wait VBL low
bmi .2
.3 pha (3)
lda CPU.Hz2L-5,x (5) 50Hz = 36, 60Hz = 29
.4 dec (2)
bne .4 (3)
iny (2) 38*5+10 = 200us
cpy #100 (3)
bne .5 (3)
inc A2osX.CPUSPEED+1
ldy #0
.5 pla
eor IO.VBL
bpl .3
lda IO.VBL
bmi .3
bra CPU.InitOK
*--------------------------------------
CPU.Init2c lda IO.RDIOUDIS
pha
sta IO.CLRIOUDIS
lda IO.IIC.RDVBLMSK
pha Save VBLIRQ enable
sta IO.IIC.ENVBL
lda IO.IIC.CLRVBLIRQ
.1 bit IO.VBL Wait VBL high....
bpl .1
bit IO.IIC.CLRVBLIRQ clear //c IRQ
.3 ldx A2osX.HZ
.4 pha (3)
pla (4)
pha (3)
pla (4)
dex
bne .4
iny
cpy #100
bne .5
inc A2osX.CPUSPEED+1
ldy #0
.5 bit IO.VBL Wait VBL high....
bpl .3
bit IO.IIC.CLRVBLIRQ clear //c IRQ
pla Disable VBLIRQ ?
bpl .8
sta IO.IIC.DISVBL
.8 pla
bpl CPU.InitOk
sta IO.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.Hz2L .DA #36,#29
*--------------------------------------
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-1,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 #Z80.300.L
.1 lda Z80.300-1,x
sta $300-1,x 0F300H for Z80
dex
bne .1
ldx #Z80.1000.L
.2 lda $1000-1,x
sta Z80.SAVE-1,x
lda Z80.1000-1,x
sta $1000-1,x 00000H for Z80
dex
bne .2
stz ZPPtr1
lda #$C1
sta ZPPtr1+1
.3 sta (ZPPtr1) to Z80.....
lda $100B .....back
bmi .8
inc ZPPtr1+1
lda ZPPtr1+1
cmp #$C8
beq .9 CS
clc
adc #$20
sta $302
bra .3
.8 lda ZPPtr1+1
and #$0F
clc
.9 php
pha
ldx #Z80.1000.L
.90 lda Z80.SAVE-1,x
sta $1000-1,x
dex
bne .90
pla
plp
rts
*--------------------------------------
DevMgrInit >LDYAI MSG.DEV
>SYSCALL2 PutS
jsr DevMgr.VXD
lda GP.DEVCNT
sta .1+1
.1 ldx #$ff SELF MODIFIED
lda GP.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 GP.DEVPTRS,x
sta FD.BDEV+S.FD.DEV.BUSPTR
lda GP.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 $FF00
bne .2
ldx #2
jsr DevMgr.AddBDev
bra .8 keep slot free
.2 cmp #$D0 Disk II Driver is $D000
bne .3
lda #280
sta FD.BDEV+S.FD.DEV.SIZE
lda /280
sta FD.BDEV+S.FD.DEV.SIZE+1
ldx #0
jsr DevMgr.AddBDev
lda #A2osX.S.D2
bra .7 Go mark slot as USED
.3 bcs .53 > $D0, Some SP remapped DRV
cmp #$C0
bcs .4 $C0 .. $CF, in slot ROM
ldx #4
jsr DevMgr.AddBDev Outside ROM/LC space, User loaded BLK dev
bra .8 keep slot free
.4 ldx #BDEV.SIG-BDEV.OFS-1
.5 ldy BDEV.OFS,x Check if there is a smartport firmware
lda (ZPPtr1),y
cmp BDEV.SIG,x
bne .8 not a Disk Controller...
dex
bpl .5
ldy #7
lda (ZPPtr1),y
bne .6 $Cn07=00 : SmartPort
ldy #$ff
lda (ZPPtr1),y
clc
adc #3 Compute smartport entry point
sta FD.BDEV+S.FD.DEV.BUSPTR
ldx #10
jsr DevMgr.AddBDev
lda #A2osX.S.SP
bra .7
.53 ldx #12
jsr DevMgr.AddBDev Remapped SP devices....
bra .8 don't mark slot as busy
.6 ldy #$FC Size in Blk
lda (ZPPtr1),y
sta FD.BDEV+S.FD.DEV.SIZE
iny
lda (ZPPtr1),y
sta FD.BDEV+S.FD.DEV.SIZE+1
lda FD.BDEV+S.FD.DEV.BUSID 00000SSS
eor FD.BDEV+S.FD.DEV.BUSPTR+1 Cn
cmp #$C0
beq .70
ldx #8
jsr DevMgr.AddBDev Remapped BLK devices....
bra .8 don't mark slot as busy
.70 ldx #6
jsr DevMgr.AddBDev
lda #A2osX.S.BLK
.7 ldx FD.BDEV+S.FD.DEV.BUSID
sta A2osX.S-1,x
.8 dec .1+1
bmi .80
jmp .1
.80 clc
rts
*--------------------------------------
DevMgr.AddBDev stx FD.BDEV+S.FD.DEV.TYPE
lda DRV.BDEVs,x
sta FD.BDEV+S.FD.DEV.DRVPTR
lda DRV.BDEVs+1,x
sta FD.BDEV+S.FD.DEV.DRVPTR+1
>PUSHWI MSG.BDEV
>PUSHWI FD.BDEV.NAME
>PUSHW FD.BDEV+S.FD.DEV.BUSPTR
>PUSHW MSG.BDEVs,x
>PUSHBI 6
>SYSCALL2 printf
>PUSHWI FD.BDEV
>PUSHWI FD.BDEV.NAME
>SYSCALL2 MKDev
rts
*--------------------------------------
DevMgr.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 IO.RRAMWRAMBNK2
bit IO.RRAMWRAMBNK2
sta IO.CLRALTZP
.81 ldx $FFFF SELF MODIFIED : Slot0n
sta IO.SETALTZP
bit IO.RRAMWRAMBNK1
bit IO.RRAMWRAMBNK1
lda #A2osX.S.VXD
sta A2osX.S-1,x
plp
.9 rts
*--------------------------------------
.10 >STYA ZPPtr1
ldy #9 10 bytes
.11 lda $BF41,y
cmp (ZPPtr1),y
bne .19
dey
bpl .11
clc
rts
.19 sec
rts
*--------------------------------------
VSD.PATCH bit IO.RRAMWRAMBNK2
jsr $D002
bit IO.RRAMWRAMBNK1
rts
*--------------------------------------
VED.PATCH bit IO.RRAMWRAMBNK2
jsr $D401
bit IO.RRAMWRAMBNK1
rts
*--------------------------------------
* 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 MLI.ALLOCIRQ
bcs .9
lda K.MLI.PARAMS+1
sta IRQ.INTNUM
*--------------------------------------
lda A2osX.HWT
cmp #A2osX.HWT.IIgs
bne .1
.OP 65816
clc
xce go to native mode
rep #$30 long M,X
pea $000C Vertical blanking interrupt handler
pea $0000
pea $0000
>TKCALL GetVector
* bcs *
pla
sta IRQ.GSVect+2
pla
sta IRQ.GSVect
pea $000C Vertical blanking interrupt handler
pea $0000
pea CORE.IRQGS
>TKCALL SetVector
* bcs *
pea $0002 Enable vertical blanking interrupts
>TKCALL IntSource
* bcs *
sep #$30 short M,X
sec
xce back to emulation mode
.OP 65C02
jsr IrqMgr.HZ2Tick
>LDYAI CORE.IRQGS
jsr IrqMgr.SetV
>LDYAI CORE.IRQGSOff
>STYA CORE.Quit+3
>LDYAI MSG.IRQGS
ldx #"G"
sec
bra IrqMgrInit.8
.9 plp
sec
rts
*--------------------------------------
.1 cmp #A2osX.HWT.IIc
beq .2
jsr IrqMgr.TClk
bcs .3
>LDYAI CORE.IRQTK
jsr IrqMgr.SetV
>LDYAI CORE.IRQTKOff
>STYA CORE.Quit+3
>LDYAI MSG.IRQTK
ldx #"C"
sec
bra IrqMgrInit.8
.2 sta IO.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 $4FC //c ROM 0X: no ACIABUF
.3 jsr IrqMgr.Mouse
bcs .7
>LDYAI CORE.IRQM
jsr IrqMgr.SetV
>LDYAI CORE.IRQMOff
>STYA CORE.Quit+3
>LDYAI MSG.IRQM
ldx #"V"
sec
bra IrqMgrInit.8
.7 jsr IrqMgr.HZ2Tick
ldx #"P"
>LDYAI MSG.IRQP
clc
IrqMgrInit.8 ror A2osX.IRQMode
stx IRQ.Mode
>SYSCALL2 puts
plp
clc
rts
*--------------------------------------
IrqMgr.SetV >STYA IRQ.JSR+1
>STYA GP.IRQ.JSR+1
rts
*--------------------------------------
IrqMgr.TClk stz ZPPtr1 Try finding a TClock Card...
lda #$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-1,x
lda #$40+$20 Enable interrupt + 64Hz
sta $c080,y
lda #$40
sta $478,x
sta $7f8,x
lda #64
sta CORE.TickPerSec
sta CORE.TickSec
lda #11
sta CORE.TickPer10t
sta CORE.Tick10t
dec A2osX.IRQMode
clc
rts
*--------------------------------------
IrqMgr.Mouse stz ZPPtr1 Try finding a Mouse Card...
lda #$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.IRQMOff.1+2
sta CORE.IRQM+2
sta CORE.IRQM.2+2
and #$0f
sta IRQ.0n
asl
asl
asl
asl
sta IRQ.n0
bit IO.RROMBNK2 Renable ROM to allow MOUSE II firmware works properly
ldy #INITMOUSE
jsr .10
ldy #SETMOUSE
lda (ZPPtr1),y
sta CORE.IRQMOff.1+1
lda #MOUSEMODx.INTVBL+MOUSEMODx.ACTIVE
jsr .10
bit IO.RRAMWRAMBNK1 Back To LC Ram
bit IO.RRAMWRAMBNK1
ldy #SERVEMOUSE
lda (ZPPtr1),y
sta CORE.IRQM+1
ldy #READMOUSE
lda (ZPPtr1),y
sta CORE.IRQM.2+1
jsr IrqMgr.HZ2Tick
dec A2osX.IRQMode
clc
rts
.10 pha
lda (ZPPtr1),y
sta .11+1
pla
ldx .11+2 Cn
ldy IRQ.n0
.11 jmp $ffff SELF MODIFIED
*--------------------------------------
IrqMgr.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 /K.S.EVT
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 IO.SETWRITEAUX
lda #0
sta (ZPPtr1) make sure blank!!
sta IO.CLRWRITEAUX
>PUSHWZ
>PUSHWZ
>SYSCALL OpenSession
bcs .99
sta USRs.hSID
ldy #S.PS.hStdIn
lda (pPS),y
sta USRs.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
jsr .1
bcs .9
stx PWD.hUsrDB
>STYA PWD.UsrDBSize
>LDYAI PWD.ETCGROUP
jsr .1
bcs .9
stx PWD.hGrpDB
>STYA PWD.GrpDBSize
* clc
.9 rts
.1 >PUSHYA
>PUSHBI O.RDONLY
>PUSHBI S.FI.T.TXT
>PUSHWZ Auxtype=0000
>SYSCALL2 LoadStkObj
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 $ffff
beq ZP.IsDigit.9
ZP.IsDigit cmp #'0'
bcc ZP.IsDigit.9
cmp #'9'+1
rts
ZP.IsDigit.9 sec
rts
.EP
Kernel.ZP.S .EQ *-Kernel.ZP
*--------------------------------------
Mouse.OFS .HS 05070B0CFB
Mouse.SIG .HS 38180120D6
*--------------------------------------
TClock.OFS .HS 00020406
TClock.SIG .HS 08285870
*--------------------------------------
BDEV.OFS .HS 010305
BDEV.SIG .HS 200003
*--------------------------------------
MSG.Init2 .CZ "A2osX[Stage2]:Init\rRelocating Kernel...\r"
MSG.KCREAD .CZ "Reading Kernel Config File..."
MSG.KCREAD.OK .CZ "OK\r"
MSG.KCREAD.KO .CZ "\rError While Reading Kernel Config File, Using Default.\r"
MSG.HZ .CZ "Kernel SYS Timer Set For %d0 hz Machine.\r"
MSG.FX .CZ "!!!Running under ProDOS.FX!!! Enabling lowercase mode.\r"
MSG.Init2.OK .CZ "A2osX[Stage2]:Complete."
*--------------------------------------
MSG.Init3 .CZ "A2osX[Stage3]:Init *** Press Ctrl-R for entering ROOT Mode ***"
MSG.DEV .AZ "Device Manager..."
MSG.BDEV .CZ " Adding Device: /dev/%s, Addr:%H, Type: %s\r\n"
MSG.BDEVs .DA MSG.BDEV.D2
.DA MSG.BDEV.RAM
.DA MSG.BDEV.USR
.DA MSG.BDEV.BLK
.DA MSG.BDEV.RBLK
.DA MSG.BDEV.SP
.DA MSG.BDEV.RSP
MSG.BDEV.D2 .AZ "Disk ]["
MSG.BDEV.RAM .AZ "/RAM Disk"
MSG.BDEV.USR .AZ "User Block"
MSG.BDEV.BLK .AZ "Generic Block"
MSG.BDEV.RBLK .AZ "Generic Block (Remapped)"
MSG.BDEV.SP .AZ "SmartPort"
MSG.BDEV.RSP .AZ "SmartPort (Remapped)"
DRV.BDEVs .DA DRV.BLK D2
.DA DRV.BLK RAM
.DA DRV.BLK USR
.DA DRV.BLK
.DA DRV.BLK RBLK
.DA DRV.SP
.DA DRV.BLK RSP
*--------------------------------------
MSG.IRQ .AZ "Interrupt Manager..."
MSG.IRQGS .AZ " Apple IIgs VBL IRQ Activated."
MSG.IRQM .AZ " Mouse Card VBL IRQ Activated."
MSG.IRQTK .AZ " Clock Card IRQ Activated."
MSG.IRQP .AZ " Polling Mode."
MSG.EVT .AZ "Event Manager..."
MSG.TSK .AZ "Task Manager..."
MSG.PWD .AZ "Password Manager..."
MSG.EXEC .AZ "Executing %s..."
MSG.StartupErr .CZ "Failed : [$%h]\r\n"
MSG.Init3.OK .CZ "OK\r\nA2osX[Stage3]:Complete."
*--------------------------------------
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 $B000
.BS 1
FNKConfig .PS "A2osX.kconfig"
*--------------------------------------
pMLIREAD .DA #4
.BS 1
.DA A2osX.KCONFIG
.DA 16
.BS 2
*--------------------------------------
pMLICLOSE .DA #1
.BS 1
*--------------------------------------
FD.NULL .DA #S.FD.T.CDEV
.DA #0 HANDLER
.DA #$F BUSID
.DA #$F DEVID
.DA 0 BUSPTR
.DA DRV.NULL
.DA 0 DCBPTR
.DA 0 BUFPTR
.BS 4
*--------------------------------------
FD.TTY .DA #S.FD.T.CDEV
.DA #0 HANDLER
.DA #$F BUSID
.DA #0 DEVID
.DA 0 BUSPTR
.DA DRV.TERM
.BS 2 DCBPTR
.BS 2 BUFPTR
.BS 4
*--------------------------------------
FD.BDEV .DA #S.FD.T.BDEV
.DA #0 HANDLER
.DA #$F BUSID
.DA #0 DEVID
.BS 2 BUSPTR
.BS 2 DRVPTR
.DA 0 DCBPTR
.DA 0 BUFPTR
.DA 0 SIZE
.DA 0
*--------------------------------------
FD.NULL.NAME .AZ "null"
FD.CONSOLE.NAME .AZ "console"
FD.TTY.NAME .AZ "tty0"
FD.BDEV.NAME .AZ "s1d1"
*--------------------------------------
* Z80 Reserved
*--------------------------------------
*Z80CODE .EQ $300 0F300h
*Z80STACK .EQ $3CF 0F3CFh
*--------------------------------------
Z80.300 .HS 3200E1 LD (0E100H),A Back to 6502
.HS C300F3 JP 0F300h
Z80.300.L .EQ *-Z80.300
*--------------------------------------
Z80.1000 .HS 31CFF3 START: LD SP,0F3CFh Init Stack
.HS 3EFF LD A,0FFH Set Flag
.HS 320B00 LD (FLAG),A
.HS C300F3 JP 0F300h
.HS 00 FLAG: .DB 0
Z80.1000.L .EQ *-Z80.1000
*--------------------------------------
Z80.SAVE .EQ *
*--------------------------------------
MAN
SAVE usr/src/sys/kernel.s.init
LOAD usr/src/sys/kernel.s
ASM
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