mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-25 18:29:36 +00:00
191 lines
3.7 KiB
Plaintext
191 lines
3.7 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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*--------------------------------------
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* Setup MainLC ($3FE)
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*
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*
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* Setup AuxLC $FFFE->Kernel IRQ Handler
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* if irq not handled, jmp (S.IrqMgrOldFFFE)
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*--------------------------------------
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S.IrqMgrInit php
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sei
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>LDYA $FFFE
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cpy #S.IrqHandlerAuxLC
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bne .1
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cmp /S.IrqHandlerAuxLC
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beq .2
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.1 >STYA S.IrqMgrOldFFFE
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>LDYAI S.IrqHandlerAuxLC
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>STYA $FFFE
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.2
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* >LDYAI $BE0C
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* >STYA $3F0
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plp
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clc
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rts
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*--------------------------------------
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S.MemMgrInit >LDYAI MemMgr.MHiMem
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>STYA MemMgr.HiMem
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>STYA MemMgr.Free
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>LDYAI MemMgr.MLoMem
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>STYA MemMgr.LoMem
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stz MemMgr.LastSlot Reserve Slot #0
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sta SETWRITEAUX
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>LDYAI MemMgr.XHiMem
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>STYA MemMgr.HiMem
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>STYA MemMgr.Free
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>LDYAI MemMgr.XLoMem
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>STYA MemMgr.LoMem
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stz MemMgr.LastSlot Reserve Slot #0
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sta CLRWRITEAUX
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clc
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rts
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*--------------------------------------
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* S.DevMgrInit
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*--------------------------------------
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S.DevMgrInit ldx #S.DEV.SIZE*DevMgr.Count
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.1 lda DevMgr.NUL-1,x
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sta DevMgr.Table-1,x
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dex
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bne .1
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stz DevMgr.Table+S.DEV.SIZE*DevMgr.Count+1
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lda #DevMgr.Count-1
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sta DevMgr.LastDevID
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>LDYAI DevMgr.End
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>STYA DevMgr.Free
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clc
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rts
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*--------------------------------------
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* S.EvtMgrInit
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*--------------------------------------
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S.EvtMgrInit lda #10
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sta EVTMGR.10TH.CNT
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lda A2osX.HZ
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sta EVTMGR.HZ.CNT
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lda MACHID
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and #MACHID.TYPE
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cmp #MACHID.TYPE.IIc
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bne .8
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* sta CLRIOUDIS
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* sta ENBVBLIIC
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.8 lda /EvtMgr.Table
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sta pEvent+1
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clc
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rts
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*--------------------------------------
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* S.TskMgrInit
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*--------------------------------------
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S.TskMgrInit stz TSKMGR.LASTID
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lda #1
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sta TSKMGR.SIZE One Slot Busy (Kernel PS=0)
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>LDYAI TskMgr.Table Clear whole process table
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>STYA pPs
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ldx #K.PS.MAX
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.1 lda #0
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ldy #S.PS.SIZE-1
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.2 sta (pPs),y
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dey
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bpl .2
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lda pPs
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clc
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adc #S.PS.SIZE
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sta pPs
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bcc .3
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inc pPs+1
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.3 dex
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bne .1
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>LDYAI TskMgr.Table Select Process 0 (Kernel)
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>STYA pPs
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lda #1
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ldy #S.PS.hINDEV
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sta (pPs),y Make In DEV = SYS
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ldy #S.PS.hOUTDEV
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sta (pPs),y Make OUT DEV = SYS
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ldy #S.PS.hERRDEV
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sta (pPs),y Make ERR DEV = SYS
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>SYSCALL SYS.GetDevByIDA
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>STYA pDev
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ldx #DEVMGR.OPEN
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jsr pDevJmp
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>PUSHWI K.ENV.SIZE get a buffer for ENV
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>PUSHBI S.MEM.F.INIT0 make sure blank
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>SYSCALL SYS.GetMem create it...
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bcs *
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txa
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ldy #S.PS.hENV
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sta (pPs),y
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>LDYAI TmpBuffer256
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>SYSCALL SYS.MLIGetPrefixYA
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bcs *
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>LDYAI TmpBuffer256
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>SYSCALL SYS.NewPStrYA
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bcs *
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ldy #S.PS.hPREFIX
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sta (pPs),y
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>PUSHWI TmpBuffer256 push ENV value
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>PUSHWI I.ENV.A2osX push ENV name
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>SYSCALL SYS.SetEnvVarP
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bcs .9
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>PUSHWI I.ENV.PATH.VAL
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>PUSHWI I.ENV.PATH
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>SYSCALL SYS.SetEnvVarP
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bcs .9
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>PUSHWI I.ENV.LIB.VAL
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>PUSHWI I.ENV.LIB
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>SYSCALL SYS.SetEnvVarP
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bcs .9
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>PUSHWI I.ENV.DRV.VAL
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>PUSHWI I.ENV.DRV
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>SYSCALL SYS.SetEnvVarP
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.9 rts
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*--------------------------------------
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I.ENV.A2osX >PSTRING "A2OSX"
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I.ENV.PATH >PSTRING "PATH"
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I.ENV.PATH.VAL >PSTRING "${A2OSX}SBIN/;${A2OSX}BIN/"
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I.ENV.LIB >PSTRING "LIB"
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I.ENV.LIB.VAL >PSTRING "${A2OSX}LIB/"
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I.ENV.DRV >PSTRING "DRV"
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I.ENV.DRV.VAL >PSTRING "${A2OSX}DRV/"
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*--------------------------------------
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MAN
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SAVE SYS/KERNEL.S.INIT
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LOAD SYS/KERNEL.S
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ASM
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