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A2osX/SYS/KERNEL.S.D01.txt

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NEW
PREFIX /A2OSX.BUILD
AUTO 4,1
*--------------------------------------
* A2osX.DIIDrv
* X = DEVMGR.cmd
* Y,A = PTR to Params
* pDev -> Dev Header AUX!!!
* $42 Command Number
* $43 Unit Number
* $44-$45 Buffer Pointer
* $46-$47 Block Number
*--------------------------------------
A2osX.DIIDrv .DA A2osX.DIIDrv.S status
.DA A2osX.DIIDrv.RW Read
.DA A2osX.DIIDrv.RW Write
.DA A2osX.BadCall Format
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
*--------------------------------------
A2osX.DIIDrv.S >LDYAI A2osx.DII.Stat
clc
rts
*--------------------------------------
A2osX.DIIDrv.RW >STYA A2osX.RW.SrcDst+1
jsr A2osX.Blk.GetCmdAndDevAX
*--------------------------------------
ldy #$D0
.HS 2C bit abs
A2osX.RamDrv.RW1
ldy #$FF
sty A2osX.RW.Drv+2
jsr GO.ProDOS
stx $42
sta $43
ldy #3
A2osX.RW.SrcDst lda $ffff,y Self Modified
sta $44,y
dey
bpl A2osX.RW.SrcDst
A2osX.RW.Drv jsr $0000
cli
jsr GO.A2osX
rts
*--------------------------------------
A2osx.DII.Stat .DA #S.DSTAT.S.BLOCK+S.DSTAT.S.WRITE+S.DSTAT.S.READ
.DA 280
.DA #0
>PSTR "Disk II 5.25"
.BS 4
.DA #S.DSTAT.T.DISKII
.DA #0
.DA #0,#91
*--------------------------------------
* A2osX.RamDrv
* X = DEVMGR.cmd
* Y,A = PTR to Params
* pDev -> Dev Header AUX!!!
* $42 Command Number
* $43 Unit Number
* $44-$45 Buffer Pointer
* $46-$47 Block Number
*--------------------------------------
A2osX.RamDrv .DA A2osX.RamDrv.S status
.DA A2osX.RamDrv.RW Read
.DA A2osX.RamDrv.RW Write
.DA A2osX.BadCall Format
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
*--------------------------------------
A2osX.RamDrv.S jsr A2osX.Blk.GetCmdAndDevAX
jsr GO.ProDOS
stx $42
sta $43
jsr $FF00
jsr GO.A2osX
bcs .9
stx A2osx.RamDrv.Stat+S.DSTAT.SIZE
sty A2osx.RamDrv.Stat+S.DSTAT.SIZE+1
>LDYAI A2osX.RamDrv.Stat
clc
.9 rts
*--------------------------------------
A2osX.RamDrv.RW >STYA A2osX.RW.SrcDst+1
jsr A2osX.Blk.GetCmdAndDevAX
bra A2osX.RamDrv.RW1
*--------------------------------------
A2osx.RamDrv.Stat
.DA #S.DSTAT.S.BLOCK+S.DSTAT.S.WRITE+S.DSTAT.S.READ
.BS 3
>PSTR "ProDOS /RAM Disk"
.DA #S.DSTAT.T.RAM
.DA #0
.DA #0,#91
*--------------------------------------
* A2osX.BlkDrv
* X = DEVMGR.cmd
* Y,A = PTR to Params
* pDev -> Dev Header
* $42 Command Number
* $43 Unit Number
* $44-$45 Buffer Pointer
* $46-$47 Block Number
*--------------------------------------
A2osX.BlkDrv .DA A2osX.BlkDrv.S status
.DA A2osX.BlkDrv.RW
.DA A2osX.BlkDrv.RW
.DA A2osX.BlkDrv.F
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
.DA A2osX.BadCall
*--------------------------------------
A2osX.BlkDrv.S jsr A2osX.Blk.GetCmdAndDev
jsr A2osX.BlkDrv.Go
bcs .9
stx A2osx.Blk.Stat+S.DSTAT.SIZE
sty A2osx.Blk.Stat+S.DSTAT.SIZE+1
>LDYAI A2osX.Blk.Stat
clc
.9 rts
*--------------------------------------
A2osX.BlkDrv.RW >STYA A2osX.Blk.GetParam.1+1
jsr A2osX.Blk.GetCmdAndDev
jsr A2osX.Blk.GetParam
bra A2osX.BlkDrv.Go
*--------------------------------------
A2osX.BlkDrv.F jsr A2osX.Blk.GetCmdAndDev
A2osX.BlkDrv.Go ldy #S.DEV.ROM.JMP
lda (pDev),y
sta .8+1
iny
lda (pDev),y
sta .8+2
.8 jmp $ffff
*--------------------------------------
A2osX.Blk.GetParam
ldy #3
A2osX.Blk.GetParam.1
lda $ffff,y Self Modified
sta $44,y
dey
bpl A2osX.Blk.GetParam.1
rts
*--------------------------------------
A2osX.Blk.GetCmdAndDev
jsr A2osX.Blk.GetCmdAndDevAX
stx $42
sta $43
rts
A2osX.Blk.GetCmdAndDevAX
txa
lsr
tax CMD
ldy #S.DEV.DEVID Drive 1, or 2
lda (pDev),y
dec O or 1
lsr in Carry
php
ldy #S.DEV.BUSID
lda (pDev),y
asl
asl
asl
asl
asl
plp
ror DSSS0000
rts
*--------------------------------------
A2osX.Blk.Stat .DA #S.DSTAT.S.BLOCK+S.DSTAT.S.WRITE+S.DSTAT.S.READ
.BS 3
>PSTR "ProDOS Block Dev"
.DA #S.DSTAT.T.PRODOS
.DA #0
.DA #0,#91
*--------------------------------------
* Smartport Driver
*--------------------------------------
A2osX.PrtDrv .DA A2osX.PrtDrv.S STATUS
.DA A2osX.PrtDrv.P BR
.DA A2osX.PrtDrv.P BW
.DA A2osX.PrtDrv.NP FORMAT
.DA A2osX.PrtDrv.P CONTROL
.DA A2osX.PrtDrv.NP INIT
.DA A2osX.PrtDrv.NP OPEN
.DA A2osX.PrtDrv.NP CLOSE
.DA A2osX.PrtDrv.P R
.DA A2osX.PrtDrv.P W
*--------------------------------------
A2osX.PrtDrv.S jsr A2osX.PrtDrv.GetDev
>LDYAI K.S.DSTAT
>STYA K.SP.PARAMS+2
lda #3
sta K.SP.PARAMS+4
jsr A2osX.PrtDrv.Go
bcs .9
>LDYAI K.S.DSTAT
.9 rts
*--------------------------------------
A2osX.PrtDrv.P jsr A2osX.PrtDrv.GetParam
bra A2osX.PrtDrv.Go
A2osX.PrtDrv.NP jsr A2osX.PrtDrv.GetDev
*--------------------------------------
A2osX.PrtDrv.Go ldy #S.DEV.ROM.JMP
lda (pDev),y
sta .8+1
iny
lda (pDev),y
sta .8+2
.8 jsr $ffff
A2osX.PrtDrv.Go.Cmd
.BS 1
.DA K.SP.PARAMS
rts
*--------------------------------------
A2osX.PrtDrv.GetParam
>STYA ZPDRV Get Ptr To ParamList
jsr A2osX.Blk.GetCmdAndDev
ldy #7
.1 lda (ZPDRV),y
sta K.SP.PARAMS+2,y
dey
bpl .1
rts
*--------------------------------------
A2osX.PrtDrv.GetDev
txa
lsr
sta A2osX.PrtDrv.Go.Cmd
tax
lda A2osX.PrtDrv.Cnt,x
sta K.SP.PARAMS
ldy #S.DEV.DEVID
lda (pDev),y
sta K.SP.PARAMS+1
rts
A2osX.PrtDrv.Cnt
.HS 03030301030101010404
*--------------------------------------
* NULL DEVICE
*--------------------------------------
DevMgr.NUL.Code .DA .1 STATUS
.DA A2osX.BADCALL READBLOCK
.DA A2osX.BADCALL WRITEBLOCK
.DA A2osX.BADCALL FORMAT
.DA A2osX.BADCALL CONTROL
.DA A2osX.BADCALL INIT
.DA A2osX.BADCALL OPEN
.DA A2osX.BADCALL CLOSE
.DA A2osX.BADCALL READ
.DA .8 WRITE
.8 clc
rts
*--------------------------------------
.1 >LDYAI .2
clc
rts
*--------------------------------------
.2 .DA #S.DEV.S.WRITE+S.DEV.S.READ
.DA #0,#0,#0
>PSTR "NULL DEVICE "
.DA #S.DSTAT.T.CHAR
.DA #0
.DA #0,#91
*--------------------------------------
* SYS DEVICE
*--------------------------------------
DevMgr.SYS.Code .DA .1 STATUS
.DA A2osX.BADCALL READBLOCK
.DA A2osX.BADCALL WRITEBLOCK
.DA A2osX.BADCALL FORMAT
.DA DevMgr.SYS.Control
.DA A2osX.BADCALL INIT
.DA DevMgr.SYS.Open
.DA A2osX.BADCALL CLOSE
.DA DevMgr.SYS.Read
.DA DevMgr.SYS.Write
*--------------------------------------
.1 >LDYAI .2
clc
rts
*--------------------------------------
.2 .DA #S.DEV.S.WRITE+S.DEV.S.READ
.DA #0,#0,#0
>PSTR "A2osX SYS Screen"
.DA #S.DSTAT.T.CHAR
.DA #0
.DA #0,#91
*--------------------------------------
DevMgr.SYS.Open lda #1
sta A2osX.SCRNDEVS
jsr DevMgr.SYS.Home
*--------------------------------------
DevMgr.SYS.Control
sta SETTEXT
sta SETALTCHAR
sta SET80DISP
sta CLR80STORE
sta CLRPAGE2
lda #1
sta A2osX.ASCREEN
clc
rts
*--------------------------------------
DevMgr.SYS.Read lda A2osX.ASCREEN
cmp #1 is SYS active?
bne .9
lda OPENAPPLE
bmi .9 Open apple key, not for us...
lda KBD
bpl .9
sta KBDSTROBE
and #$7F
clc
rts
.9 lda #0 Error = no event
sec
rts
*--------------------------------------
DevMgr.SYS.Write
phx
phy
cmp #' '
bcs .7
cmp #10
bne .1
jsr DevMgr.SYS.LF
bra .8
.1 cmp #13
bne .2
jsr DevMgr.SYS.CR
bra .8
.2 ora #$20
.HS 2C BIT ABS
.7 ora #$80
ldy DevMgr.SYS.CH
ldx DevMgr.SYS.CV
jsr DevMgr.SYS.SetCharAtYX
jsr DevMgr.SYS.FSOut
.8 ply
plx
clc
rts
*--------------------------------------
DevMgr.SYS.FSOut
lda DevMgr.SYS.CH
cmp #79
bne .1
stz DevMgr.SYS.CH
bra DevMgr.SYS.LF
.1 inc DevMgr.SYS.CH
rts
*--------------------------------------
DevMgr.SYS.CR jsr DevMgr.SYS.ClrEOL
stz DevMgr.SYS.CH
rts
*--------------------------------------
DevMgr.SYS.LF ldx DevMgr.SYS.CV
cpx #23
beq DevMgr.SYS.Scroll
inc DevMgr.SYS.CV
rts
*--------------------------------------
DevMgr.SYS.ClrEOL
ldx DevMgr.SYS.CV
lda #$A0
ldy DevMgr.SYS.CH
.1 cpy #79
beq .2
jsr DevMgr.SYS.SetCharAtYX
iny
bne .1
.2 rts
*--------------------------------------
DevMgr.SYS.ScrollAux
sta SETREADAUX
.1 lda (ZPDRV+2),y
sta (ZPDRV),y
dey
bpl .1
sta CLRREADAUX
rts
*--------------------------------------
DevMgr.SYS.Scroll
ldx #1
.1 jsr DevMgr.SYS.SetBaseX
inx
lda DevMgr.SYS.BASEL,x
sta ZPDRV+2
lda DevMgr.SYS.BASEH,x
sta ZPDRV+3
php
sei
ldx #DevMgr.SYS.Scroll-DevMgr.SYS.ScrollAux-1
.2 lda DevMgr.SYS.ScrollAux,x
sta $102,x
dex
bpl .2
ldy #39
sta SETWRITEAUX
jsr $102
sta CLRWRITEAUX
plp
ldy #39
.3 lda (ZPDRV+2),y
sta (ZPDRV),y
dey
bpl .3
cpx #23
bne .1 Fall in ClrLineAtX for last line
*--------------------------------------
DevMgr.SYS.ClrLineAtX
jsr DevMgr.SYS.SetBaseX
lda #$A0
ldy #39
php
sei
.1 sta SETWRITEAUX
sta (ZPDRV),y
sta CLRWRITEAUX
sta (ZPDRV),y
dey
bpl .1
plp
rts
*--------------------------------------
DevMgr.SYS.Home ldx #23
.1 jsr DevMgr.SYS.ClrLineAtX
dex
bne .1
stz DevMgr.SYS.CH
lda #1
sta DevMgr.SYS.CV
rts
*--------------------------------------
DevMgr.SYS.SetCharAtYX
cmp #$40
bcc .1
cmp #$5F
bcs .1
and #$3F
.1 phy
pha
jsr DevMgr.SYS.SetBaseX
tya
lsr
tay
pla
bcs .2
php
sei
sta SETWRITEAUX
sta (ZPDRV),y
sta CLRWRITEAUX
plp
ply
rts
.2 sta (ZPDRV),y
ply
rts
*--------------------------------------
DevMgr.SYS.SetBaseX
lda DevMgr.SYS.BASEL,x
sta ZPDRV
lda DevMgr.SYS.BASEH,x
sta ZPDRV+1
rts
*--------------------------------------
DevMgr.SYS.CH .BS 1
DevMgr.SYS.CV .BS 1
*--------------------------------------
DevMgr.SYS.BASEL .HS 00.80.00.80.00.80.00.80.28.A8.28.A8.28.A8.28.A8.50.D0.50.D0.50.D0.50.D0
DevMgr.SYS.BASEH .HS 04.04.05.05.06.06.07.07.04.04.05.05.06.06.07.07.04.04.05.05.06.06.07.07
*--------------------------------------
MAN
SAVE /A2OSX.SRC/SYS/KERNEL.S.D01
LOAD /A2OSX.SRC/SYS/KERNEL.S
ASM
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