mirror of https://github.com/A2osX/A2osX.git
435 lines
8.3 KiB
Plaintext
435 lines
8.3 KiB
Plaintext
NEW
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PREFIX
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AUTO 4,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF A2OSX.SYSTEM,TSYS
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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.INB INC/IO.I
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.INB INC/MONITOR.I
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.INB INC/MLI.I
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.INB INC/MLI.E.I
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*--------------------------------------
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TmpPtr1 .EQ $0 main & aux ZP
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TmpPtr2 .EQ $2 main & aux ZP
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*--------------------------------------
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A2osX.KMLOAD .EQ $2000
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A2osX.KMMAXLEN .EQ $4000
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A2osX.OpenBuff1 .EQ $6000 1024 Buffer for MLIOPEN01
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A2osX.OpenBuff2 .EQ $6400 1024 Buffer for MLIOPEN02
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A2osX.ReadBuff .EQ $6800 512 Buffer for MLIREAD01
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Boot.Prefix .EQ $6A00 MLI.MAXPATH
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KM.Filename .EQ $6A80 MLI.MAXPATH
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*--------------------------------------
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* Kernel Stage 0
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*--------------------------------------
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.PH $1000
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A2osX.Init0 >LDYAI $2000
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>STYA TmpPtr1
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>LDYAI $1000
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>STYA TmpPtr2
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ldx #$10 reloc $2000-$2FFF to $1000-$1FFF
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ldy #0
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.1 lda (TmpPtr1),y
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sta (TmpPtr2),y
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iny
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bne .1
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inc TmpPtr1+1
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inc TmpPtr2+1
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dex
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bne .1
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jmp A2osX.Init1
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*--------------------------------------
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A2osX.Init1 ldx #$FF init 6502 stack to highest
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txs
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bit RROMBNK1
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jsr HOME
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>LDYAI MSG.INIT0
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jsr PrintFYA
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>LDYAI MSG.SYSMEM
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jsr PrintFYA
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lda MACHID
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and #MACHID.M
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cmp #MACHID.M.128
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beq .1
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>LDYAI MSG.SYSMEM.KO
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jsr PrintFYA
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bra *
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.1 lda #$8C Reset 80 col screen ($0C:HOME)
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jsr $C300
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>LDYAI MSG.INIT0
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jsr PrintFYA
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>LDYAI MSG.SYSMEM
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jsr PrintFYA
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>LDYAI MSG.SYSMEM.OK
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jsr PrintFYA
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>LDYAI MSG.CPU
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jsr PrintFYA
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sed Test 6502 BCD bug
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lda #$99
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clc
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adc #$01
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cld
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bpl .2 if minus, BUG!, we have 6502
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>LDYAI MSG.CPU.KO
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jsr PrintFYA
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bra *
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.2 >LDYAI MSG.CPU.OK
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jsr PrintFYA
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*--------------------------------------
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A2osX.CloseAll stz LEVEL Back To FILE LEVEL 0
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jsr MLI Make sure all files are closed
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.DA #MLICLOSE
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.DA MLICLOSE01
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bcs *
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*--------------------------------------
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A2osX.Prefix >LDYAI MSG.BOOTPREFIX
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jsr PrintFYA
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jsr MLI
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.DA #MLIGETPREFIX
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.DA MLIGETPREFIX01
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bcs *
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ldx Boot.Prefix
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stx A2osX.QC.B.Start+4
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ldy #1
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.1 lda Boot.Prefix,y
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sta A2osX.QC.B.Start+4,y
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ora #$80
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jsr COUT
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iny
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dex
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bne .1
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jsr CROUT
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*--------------------------------------
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A2osX.RamDrv >LDYAI MSG.RAMDRV
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jsr PrintFYA
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jsr DisableRamDRV
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bcc .2
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tax
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bne .1
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>LDYAI MSG.RAMDRV.KO0
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jsr PrintFYA
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bra A2osX.SetupQC
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.1 >LDYAI MSG.RAMDRV.KO1
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jsr PrintFYA
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bra A2osX.SetupQC
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.2 >LDYAI MSG.RAMDRV.OK
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jsr PrintFYA
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*--------------------------------------
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A2osX.SetupQC lda RRAMWRAMBNK2
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lda RRAMWRAMBNK2
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ldx #0
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.1 lda A2osX.QC.B.Start,x
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sta $D100,x
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lda A2osX.QC.B.Start+$100,x
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sta $D200,x
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lda A2osX.QC.B.Start+$200,x
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sta $D300,x
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inx
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bne .1
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lda RROMBNK1
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*--------------------------------------
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A2osX.EnumKM >LDYAI MSG.KMENUM
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jsr PrintFYA
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jsr EnumKM
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*--------------------------------------
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A2osX.MLIQuit >LDYAI MSG.INIT0OK
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jsr PrintFYA
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>DEBUGOA
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jsr MLI
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.DA #MLIQUIT
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.DA MLIQUIT01
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bra *
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*--------------------------------------
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DisableRamDRV php
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sei
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lda DEVPTRS3D2
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cmp DEVPTRS S0D1=NOVEV
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bne .1
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lda DEVPTRS3D2+1
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cmp DEVPTRS+1 S0D1=NODEV
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beq .9 S3D2=NODEV, nothing to do
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.1 ldx DEVCNT
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.2 lda DEVLST,x LOOKING FOR $BF, $BB, $B7, $B3
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and #$F3
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cmp #$B3
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beq .3
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dex
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bpl .2
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plp
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lda #1 No device found, exit with error
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sec
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rts
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.3 cpx DEVCNT
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beq .5
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.4 lda DEVLST+1,x
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sta DEVLST,x
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inx
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cpx DEVCNT
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bne .4
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.5 ldx DEVCNT
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stz DEVLST,x
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dec DEVCNT
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lda DEVPTRS
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sta DEVPTRS3D2
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lda DEVPTRS+1
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sta DEVPTRS3D2+1
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plp
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jsr MLI
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.DA #MLIONLINE
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.DA MLIONLINE01
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clc Success!!
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rts
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.9 plp
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lda #0 Not detected
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sec
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rts
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*--------------------------------------
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EnumKM.EPB .EQ $0D
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EnumKM.EL .EQ $27
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*--------------------------------------
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EnumKM ldx #0
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ldy Boot.Prefix
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.1 inx
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lda SYS,x
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sta Boot.Prefix+1,y
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iny
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cpx SYS
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bne .1
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sty Boot.Prefix
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jsr MLI
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.DA #MLIOPEN
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.DA MLIOPEN01
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bcs .99
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lda MLIOPEN01+5
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sta MLIREAD01+1
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sta MLICLOSE01+1
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.2 jsr MLI
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.DA #MLIREAD
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.DA MLIREAD01
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bcs .98
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lda #EnumKM.EPB
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sta EnumKM.EC
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>LDYAI A2osX.ReadBuff+4
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>STYA EnumKM.BPTR
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.3 >LDYA EnumKM.BPTR
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>STYA TmpPtr1
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lda (TmpPtr1)
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and #$F0 Empty ?
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beq .5 yes, skip
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and #$C0 anything out of type 1,2 or 3 ?
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bne .5 yes, skip
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lda (TmpPtr1)
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and #$0F
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cmp KM.PREFIX at least enough chars for KM.*?
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bcc .5 no, skip
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ldy #$10 file type
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lda (TmpPtr1),y
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cmp #$06 'BIN'?
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bne .5 skip
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ldy KM.PREFIX
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.4 lda (TmpPtr1),y
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cmp KM.PREFIX,y
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bne .5
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dey
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bne .4
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jsr LoadKM
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.5 lda EnumKM.BPTR
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clc
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adc #EnumKM.EL
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sta EnumKM.BPTR
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bcc .6
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inc EnumKM.BPTR+1
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.6 dec EnumKM.EC
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bne .3
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bra .2
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.8 jsr MLI
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.DA #MLICLOSE
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.DA MLICLOSE01
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rts
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.98 cmp #MLI.E.EOF
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beq .8
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pha
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jsr .8
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pla
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.99 sec
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rts
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*--------------------------------------
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EnumKM.EC .BS 1
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EnumKM.BPTR .BS 2
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*--------------------------------------
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LoadKM ldx Boot.Prefix
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.1 lda Boot.Prefix,x
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sta KM.Filename,x
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dex
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bne .1
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ldx Boot.Prefix
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lda (TmpPtr1)
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and #$0F
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tay
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clc
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adc Boot.Prefix
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sta KM.Filename
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tax
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.2 lda (TmpPtr1),y
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sta KM.Filename,x
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dex
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dey
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bne .2
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lda #KM.Filename
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pha
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lda /KM.Filename
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pha
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>LDYAI MSG.KMLOAD
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jsr PrintFYA
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jsr MLI
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.DA #MLIOPEN
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.DA MLIOPEN02
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bcs .99
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lda MLIOPEN02+5
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sta MLIREAD02+1
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sta MLICLOSE02+1
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jsr MLI
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.DA #MLIREAD
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.DA MLIREAD02
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bcs .98
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jsr .9
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jsr A2osX.KMLOAD
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.98 pha
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jsr .9
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pla
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sec
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rts
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.9 jsr MLI
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.DA #MLICLOSE
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.DA MLICLOSE02
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.99 rts
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*--------------------------------------
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.INB USR/SRC/BIN/X.PRINTF.S
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*--------------------------------------
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MSG.INIT0 .AZ "A2osX[Stage0]:Init\n"
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MSG.SYSMEM .AZ "Checking System Memory..."
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MSG.SYSMEM.OK .AZ "128k Detected.\n"
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MSG.SYSMEM.KO .AZ "A2osX Requires At Least 128k Memory.\n"
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MSG.CPU .AZ "Checking CPU..."
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MSG.CPU.OK .AZ "65C02 CPU (or higher) Detected.\n"
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MSG.CPU.KO .AZ "A2osX Requires At Least A 65C02 CPU.\n"
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MSG.RAMDRV .AZ "Checking ProDOS RamDrive..."
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MSG.RAMDRV.OK .AZ "Successfully Disabled.\n"
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MSG.RAMDRV.KO0 .AZ "Not Detected.\n"
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MSG.RAMDRV.KO1 .AZ "Uninstall Failed !!!\n"
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MSG.BOOTPREFIX .AZ "Boot Prefix:"
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MSG.KMENUM .AZ "Looking For Kernel Modules...\n"
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MSG.KMLOAD .AZ "***Loading KM : %S\n"
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MSG.INIT0OK .AZ "A2osX[Stage0]:Complete.\n"
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*--------------------------------------
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MLIGETPREFIX01 .DA #1
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.DA Boot.Prefix
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MLIONLINE01 .DA #2
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.DA #0
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.DA MLIONLINE01BUF
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MLIONLINE01BUF .BS 256
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MLIOPEN01 .DA #3 For DIR listing
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.DA Boot.Prefix
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.DA A2osX.OpenBuff1
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.BS 1
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MLIREAD01 .DA #4
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.BS 1
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.DA A2osX.ReadBuff Load address Dir Blocks
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.DA $200 Maxlen of Dir Blocks (512)
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.BS 2
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MLICLOSE01 .DA #1
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.BS 1
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MLIOPEN02 .DA #3
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.DA KM.Filename
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.DA A2osX.OpenBuff2
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.BS 1
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MLIREAD02 .DA #4
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.BS 1
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.DA A2osX.KMLOAD Load address for KMs
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.DA A2osX.KMMAXLEN Maxlen of KM
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.BS 2
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MLICLOSE02 .DA #1
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.BS 1
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MLIQUIT01 .DA #4
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.DA #0
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.DA 0
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.DA #0
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.DA 0
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*--------------------------------------
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SYS >PSTR "SYS/"
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KM.PREFIX >PSTR "KM."
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*--------------------------------------
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.EP
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*--------------------------------------
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A2osX.QC.B.Start
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.INB USR/SRC/BIN/A2OSX.S.QC
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*--------------------------------------
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MAN
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SAVE USR/SRC/BIN/A2OSX.S
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ASM
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