A2osX/DRV/MOUSE.DRV.S.txt

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PR#3
PREFIX /A2OSX.BUILD
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NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BUILD/DRV/MOUSE.DRV
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*--------------------------------------
.INB /A2OSX.BUILD/INC/MACROS.I
.INB /A2OSX.BUILD/INC/A2OSX.I
.INB /A2OSX.BUILD/INC/MLI.ERR.I
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*--------------------------------------
ZPGoMouse .EQ ZPDRV
ZPTmpPtr1 .EQ ZPDRV+2
*--------------------------------------
EVENT.MOUSEUP .EQ %00000001
EVENT.MOUSEDOWN .EQ %00000010
EVENT.MOUSEMOVE .EQ %00000100
EVENT.MOUSEDRAG .EQ %00001000
EVENT.MOUSECLK .EQ %00010000
EVENT.MOUSEDCLK .EQ %00100000
*--------------------------------------
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SETMOUSE .EQ $12 Sets mouse mode
SERVEMOUSE .EQ $13 Services mouse interrupt
READMOUSE .EQ $14 Reads mouse position
CLEARMOUSE .EQ $15 Clears mouse position to 0 (for delta mode)
POSMOUSE .EQ $16 Sets mouse position to a user-defined pos
CLAMPMOUSE .EQ $17 Sets mouse bounds in a window
HOMEMOUSE .EQ $18 Sets mouse to upper-left corner of clamp win
INITMOUSE .EQ $19 Resets mouse clamps to default values,sets mouse position to 0,0
LOCLAMPLO .EQ $0478 low byte of low clamp.
HICLAMPLO .EQ $04F8 low byte of high clamp.
LOCLAMPHI .EQ $0578 high byte of low clamp.
HICLAMPHI .EQ $05F8 high byte of high clamp.
MOUSEXLOx .EQ $0478
MOUSEYLOx .EQ $04F8
MOUSEXHIx .EQ $0578
MOUSEYHIx .EQ $05F8
* .EQ $0678
* .EQ $06F8
MOUSESTSx .EQ $0778
MOUSESTSx.DOWN .EQ %10000000
MOUSESTSx.LDOWN .EQ %01000000
MOUSESTSx.MOVED .EQ %00100000
MOUSESTSx.INTVBL .EQ %00001000
MOUSESTSx.INTBUT .EQ %00000100
MOUSESTSx.INTMOVE .EQ %00000010
MOUSEMODx .EQ $07F8
MOUSEMODx.INTVBL .EQ %00001000
MOUSEMODx.INTBUT .EQ %00000100
MOUSEMODx.INTMOVE .EQ %00000010
MOUSEMODx.ACTIVE .EQ %00000001
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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 #$61 6502,Level 1 (65c02)
.DA #1 DRV Layout Version 1
.DA 0
.DA CS.END-CS.START Code Length
.DA DEV.HEADER-CS.START Device Header Offset
.DA DRV.CS.START-CS.START Driver Code Offset
.DA DRV.CS.END-DRV.CS.START Drv Code Length
*--------------------------------------
* Relocation Table
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*--------------------------------------
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L.MSG.DETECT .DA MSG.DETECT
L.MSG.DETECT.OK .DA MSG.DETECT.OK
L.MSG.DETECT.KO .DA MSG.DETECT.KO
L.DEV.HEADER.NAME .DA DEV.HEADER.NAME
.DA 0 End Of Reloc Table
*--------------------------------------
Dev.Detect >LDYA L.MSG.DETECT
>SYSCALL PrintF.YA
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stz ZPTmpPtr1
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lda #$C1
sta ZPTmpPtr1+1
.1 ldx #DEVSIG.Value-DEVSIG.Offset-1
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.2 ldy DEVSIG.Offset,x
lda (ZPTmpPtr1),y
cmp DEVSIG.Value,x
bne .3
dex
bpl .2
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lda ZPTmpPtr1+1
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sta DEVSLOTCn
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and #$0F
sta DEVSLOT0n
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ora #$30
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sta DEV.HEADER.NAME+3
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asl
asl
asl
asl
sta DEVSLOTn0
>PUSHW L.DEV.HEADER.NAME
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>LDYA L.MSG.DETECT.OK
>SYSCALL PrintF.YA
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clc
rts
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.3 inc ZPTmpPtr1+1 no match, try next slot....
lda ZPTmpPtr1+1
cmp #$C8
bne .1
>LDYA L.MSG.DETECT.KO
>SYSCALL PrintF.YA
lda #MLI.E.NODEV
sec
rts
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*--------------------------------------
CS.END
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MSG.DETECT >CSTR "Apple Mouse Driver.\r\n"
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MSG.DETECT.OK >CSTR "Mouse Installed As Device : %s\r\n"
MSG.DETECT.KO >CSTR "No Mouse Found.\r\n"
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DEVSIG.Offset .HS 05070B0CFB
DEVSIG.Value .HS 38180120D6
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*--------------------------------------
* Device Header (16 Bytes)
*--------------------------------------
DEV.HEADER cld
jmp (DRV.CS.START,x)
.DA #0
.BS 6
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DEV.HEADER.NAME >CSTR "MOUX"
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*--------------------------------------
* Driver Code
*--------------------------------------
DRV.CS.START .DA STATUS
.DA READBLOCK
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA CONTROL
.DA A2osX.BADCALL
.DA OPEN
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.DA CLOSE
.DA A2osX.BADCALL
.DA A2osX.BADCALL
L.DEVSTAT .DA DEVSTAT
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.DA 0 end or relocation
*--------------------------------------
STATUS >LDYA L.DEVSTAT
clc
rts
*--------------------------------------
READBLOCK >STYA ZPTmpPtr1
lda #0
sta (ZPTmpPtr1) Reset Flags
php
sei
* ldy #READMOUSE DONE BY IRQ MANAGER
* jsr GOMOUSE
ldx DEVSLOT0n
lda MOUSESTSx,x
and #MOUSESTSx.DOWN+MOUSESTSx.LDOWN
beq .3 no button state change:up & previously up
cmp #MOUSESTSx.DOWN+MOUSESTSx.LDOWN
beq .3 no button state change:down & previously down
asl if CS, down & previously up
bcc .1
lda #EVENT.MOUSEUP
bra .2
.1 lda #EVENT.MOUSEDOWN
.2 sta (ZPTmpPtr1)
.3 lda MOUSESTSx,x
and #MOUSESTSx.MOVED
beq .4
lda (ZPTmpPtr1)
ora #EVENT.MOUSEMOVE
sta (ZPTmpPtr1)
.4 ldy #1
lda MOUSEXLOx,x
sta (ZPTmpPtr1),y
iny
lda MOUSEXHIx,x
sta (ZPTmpPtr1),y
iny
lda MOUSEYLOx,x
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sta (ZPTmpPtr1),y
iny
lda MOUSEYHIx,x
sta (ZPTmpPtr1),y
plp
lda (ZPTmpPtr1)
beq .9
clc
rts
.9 lda #MLI.E.EOF
sec
rts
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*--------------------------------------
CONTROL >STYA ZPTmpPtr1
php
sei
ldy #0
ldx #0 set X
jsr CONTROL.SETCLAMP
ldy #4
ldx #1 set Y
jsr CONTROL.SETCLAMP
ldy #HOMEMOUSE
jsr GOMOUSE
plp
clc
rts
*--------------------------------------
CONTROL.SETCLAMP
lda (ZPTmpPtr1),y
sta LOCLAMPLO
iny
lda (ZPTmpPtr1),y
sta LOCLAMPHI
iny
lda (ZPTmpPtr1),y
sta HICLAMPLO
iny
lda (ZPTmpPtr1),y
sta HICLAMPHI
txa
ldy #CLAMPMOUSE
jsr GOMOUSE
rts
*--------------------------------------
OPEN php
sei
ldx DEVSLOT0n
lda MOUSEMODx,x keep if VBLInt already activated by kernel
and #MOUSEMODx.INTVBL
ora #MOUSEMODx.ACTIVE Enable, Polling mode
ldy #SETMOUSE
jsr GOMOUSE
ldy #INITMOUSE Reset
jsr GOMOUSE
plp
clc
rts
*--------------------------------------
CLOSE php
sei
ldx DEVSLOT0n
lda MOUSEMODx,x keep if VBLInt already activated by kernel
and #MOUSEMODx.INTVBL Disable ALL but VBLInt if previously active
ldy #SETMOUSE
jsr GOMOUSE
plp
clc
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rts
*--------------------------------------
* PRIVATE
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*--------------------------------------
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GOMOUSE pha
stz ZPGoMouse
ldx DEVSLOTCn
stx ZPGoMouse+1
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lda (ZPGoMouse),y
sta ZPGoMouse
ldy DEVSLOTn0
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pla
jmp (ZPGoMouse)
*--------------------------------------
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DRV.CS.END
DEVSLOT0n .BS 1
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DEVSLOTn0 .BS 1
DEVSLOTCn .BS 1
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*--------------------------------------
DEVSTAT .DA #0
.DA #0,#0,#0 size
>PSTR "Apple II Mouse"
.BS 2
.DA #S.DSTAT.T.XY
.DA #0
.DA $0900
*--------------------------------------
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MAN
SAVE /A2OSX.SRC/DRV/MOUSE.DRV.S
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ASM