A2osX/DRV/MOUSE.DRV.S.txt

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NEW
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AUTO 3,1
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.LIST OFF
.OP 65C02
.OR $2000
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.TF drv/mouse.drv
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*--------------------------------------
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.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/io.i
.INB inc/mli.e.i
.INB inc/xy.i
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.INB inc/xy.mouse.i
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*--------------------------------------
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ZPSlotPtr .EQ ZPBIN
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
CS.START cld
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jmp Dev.Detect cld,jmp abs=DRV
.DA #$61 6502,Level 1 (65c02)
.DA #1 DRV Layout Version 1
.DA 0
.DA CS.END-CS.START Code Length
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.DA 0
.DA 0
.DA 0
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*--------------------------------------
* Relocation Table
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*--------------------------------------
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L.MSG.DETECT .DA MSG.DETECT
L.MSG.DETECT.OK .DA MSG.DETECT.OK
L.MSG.DETECT.KO .DA MSG.DETECT.KO
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L.DRV.CS.START .DA DRV.CS.START
L.FD.DEV .DA FD.DEV
L.FD.DEV.NAME .DA FD.DEV.NAME
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.DA 0 End Of Reloc Table
*--------------------------------------
Dev.Detect >LDYA L.MSG.DETECT
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>SYSCALL PutS
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stz ZPSlotPtr
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lda #$C1
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.1 sta ZPSlotPtr+1
ldx #DEVSIG.Value-DEVSIG.Offset-1
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.2 ldy DEVSIG.Offset,x
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lda (ZPSlotPtr),y
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cmp DEVSIG.Value,x
bne .3
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dex
bpl .2
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bra .8
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.3 lda ZPSlotPtr+1 no match, try next slot....
inc
cmp #$C8
bne .1
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>LDYA L.MSG.DETECT.KO
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>SYSCALL PutS
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.9 lda #MLI.E.NODEV
sec
rts
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.8 lda ZPSlotPtr+1
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sta GOMOUSE.LDX+2
sta GOMOUSE.JMP+2
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and #$0F
sta DEVSLOT0n
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ora #$30
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sta FD.DEV.NAME+3
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asl
asl
asl
asl
sta GOMOUSE.n0+1
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>PUSHW L.MSG.DETECT.OK
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>PUSHW L.FD.DEV.NAME
>PUSHBI 2
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>SYSCALL PrintF
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>PUSHWI DRV.END
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>PUSHWI DRV.CS.END-DRV.CS.START
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>PUSHWI DRV.CS.START
>LDYA L.DRV.CS.START
>SYSCALL InsDrv
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bcs .99
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>STYA FD.DEV+S.FD.DEV.DRVPTR
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>PUSHW L.FD.DEV
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>PUSHW L.FD.DEV.NAME
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>SYSCALL MKDev
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.99 rts
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*--------------------------------------
CS.END
MSG.DETECT .CZ "Apple Mouse Driver."
MSG.DETECT.OK .CZ "Mouse Installed As Device : %s\r\n"
MSG.DETECT.KO .CZ "No Mouse Found."
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DEVSIG.Offset .HS 05070B0CFB
DEVSIG.Value .HS 38180120D6
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*--------------------------------------
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FD.DEV .DA #S.FD.T.CDEV
.DA #0 HANDLER
.DA #0 BUSID
.DA #0 DEVID
.DA 0 BUSPTR
.BS 2 DRVPTR
.DA 0 DCBPTR
.DA 0 BUFPTR
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FD.DEV.NAME .AZ "mou1"
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*--------------------------------------
* Driver Code
*--------------------------------------
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ZPIOCTL .EQ ZPDRV
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ZPBufPtr .EQ ZPDRV+2
ZPState .EQ ZPDRV+4
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*--------------------------------------
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DRV.CS.START cld
jmp (.1,x)
.1 .DA STATUS
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.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA CONTROL
.DA A2osX.BADCALL
.DA OPEN
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.DA CLOSE
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.DA READ
.DA A2osX.BADCALL
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.DA 0 end or relocation
*--------------------------------------
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STATUS >STYA ZPIOCTL
ldy #S.IOCTL.BUFPTR
lda (ZPIOCTL),y
sta ZPBufPtr
iny
lda (ZPIOCTL),y
sta ZPBufPtr+1
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ldy #S.IOCTL.S
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lda (ZPIOCTL),y
beq .1
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cmp #S.IOCTL.S.GETDIB
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bne STATUS.DCB
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ldy #S.DIB-1
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.HS 2C bit abs
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.1 ldy #3
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.2 lda DIB,y
sta (ZPBufPtr),y
dey
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bpl .2
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clc
rts
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STATUS.DCB
STATUS.9 lda #MLI.E.BADCTL
sec
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rts
*--------------------------------------
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CONTROL >STYA ZPBufPtr NON STANDARD
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php
sei
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ldy #0
ldx #0 set X
jsr SETCLAMP
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ldy #4
ldx #1 set Y
jsr SETCLAMP
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ldy #HOMEMOUSE
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bra EXIT1
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*--------------------------------------
OPEN php
sei
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lda #S.DIB.S.OPENED
tsb DIB+S.DIB.S
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ldx DEVSLOT0n
lda MOUSEMODx,x keep if VBLInt already activated by kernel
and #MOUSEMODx.INTVBL
ora #MOUSEMODx.ACTIVE Enable, Polling mode
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bra EXIT0
* jsr GOMOUSE
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* ldy #INITMOUSE Already called by IRQManager
* jsr GOMOUSE CLEAR $2000-3FFF AND MESS SETHIRES
* plp
* rts
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*--------------------------------------
CLOSE php
sei
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lda #S.DIB.S.OPENED
trb DIB+S.DIB.S
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ldx DEVSLOT0n
lda MOUSEMODx,x keep if VBLInt already activated by kernel
and #MOUSEMODx.INTVBL Disable ALL but VBLInt if previously active
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EXIT0 ldy #SETMOUSE
EXIT1 jsr GOMOUSE
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plp
clc
rts
*--------------------------------------
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READ >STYA ZPBufPtr NON STANDARD
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stz ZPState Reset Flags
php
sei
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sta CLRPAGE2
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* ldy #READMOUSE DONE BY IRQ MANAGER
* jsr GOMOUSE
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ldx DEVSLOT0n
lda MOUSESTSx,x
and #MOUSESTSx.MOVED
beq .1
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ldy #S.XY.X1
lda MOUSEXLOx,x
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sta (ZPBufPtr),y
iny
lda MOUSEXHIx,x
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sta (ZPBufPtr),y
iny
lda MOUSEYLOx,x
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sta (ZPBufPtr),y
iny
lda MOUSEYHIx,x
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sta (ZPBufPtr),y
lda #S.XY.S.MOVE
tsb ZPState
stz bDblClick Reset DblClick flag
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.1 lda MOUSESTSx,x
and #MOUSESTSx.DOWN+MOUSESTSx.LDOWN
beq .8 no button state change:up & previously up
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cmp #MOUSESTSx.DOWN+MOUSESTSx.LDOWN
bne .10
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lda ZPState no button state change:down & previously down
and #S.XY.S.MOVE
beq .8
sec
ror bDrag
lda #S.XY.S.DRAGSTART
tsb ZPState
bra .8
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.10 asl
bcc .2 if CC, up & previously down
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lda #S.XY.S.DOWN if CS, down & previously up
tsb ZPState button has been pressed
ldy #S.XY.X1+3
.11 lda (ZPBufPtr),y record pos if it is a drag start
sta SrcDrag-S.XY.X1,y
dey
bpl .11
bra .8
*--------------------------------------
.2 lda #S.XY.S.UP
tsb ZPState
bit bDrag
bmi .4
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lda #S.XY.S.CLK no move since down...click!
bit bDblClick
bpl .3
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lda #S.XY.S.DCLK
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ldy #1
sty bDblClick
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.3 dec bDblClick
tsb ZPState
bra .8
*--------------------------------------
.4 lda #S.XY.S.DRAGEND
tsb ZPState
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ldy #S.XY.X2+3
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.5 lda SrcDrag-S.XY.X2,y
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sta (ZPBufPtr),y
dey
bpl .5
stz bDrag
*--------------------------------------
.8 plp
lda ZPState
beq .9
ldy #S.XY.S
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sta (ZPBufPtr),y
clc
rts
.9 lda #MLI.E.EOF
sec
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rts
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*--------------------------------------
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* PRIVATE
*--------------------------------------
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SETCLAMP lda (ZPBufPtr),y
sta LOCLAMPLO
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iny
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lda (ZPBufPtr),y
sta LOCLAMPHI
iny
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lda (ZPBufPtr),y
sta HICLAMPLO
iny
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lda (ZPBufPtr),y
sta HICLAMPHI
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txa
ldy #CLAMPMOUSE
*--------------------------------------
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GOMOUSE
GOMOUSE.LDX ldx $C100,y SELF MODIFIED
stx GOMOUSE.JMP+1
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ldx GOMOUSE.JMP+2
GOMOUSE.n0 ldy #$10 SELF MODIFIED
GOMOUSE.JMP jmp $C100 SELF MODIFIED
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*--------------------------------------
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DRV.CS.END
DEVSLOT0n .BS 1
bDblClick .BS 1
bDrag .BS 1
SrcDrag .BS 4
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*--------------------------------------
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DIB .DA #0
.DA #0,#0,#0
.PS "Apple II Mouse"
.BS 2
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.DA #S.DIB.T.XY
.DA #0
.DA #0,#94
*--------------------------------------
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DRV.END
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*--------------------------------------
.LIST ON
DRV.CS.SIZE .EQ DRV.CS.END-DRV.CS.START
DRV.SIZE .EQ DRV.END-DRV.CS.START
.LIST OFF
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MAN
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SAVE usr/src/drv/mouse.drv.s
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ASM