A2osX/DRV/MOUSE.DRV.S.txt

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
				.LIST OFF	
				.OP	65C02
				.OR $2000
				.TF /A2OSX.BOOT/DRV/MOUSE.DRV
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/IO.I
				.INB INC/A2OSX.I
*--------------------------------------
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
*--------------------------------------
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
MOUSESTSx		.EQ $0778
MOUSESTSx.DOWN	.EQ %10000000
MOUSESTSx.LDOWN	.EQ %01000000
MOUSESTSx.MOVED	.EQ %00100000
*--------------------------------------
*			File Header (16 Bytes)
*--------------------------------------
CS.START		cld
				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
*--------------------------------------
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 SYS.PSTROutYA

				stz ZPTmpPtr1
				lda #$C1
				sta ZPTmpPtr1+1
				
.1				ldx #DEVSIG.Length-1

.2				ldy DEVSIG.Offset,x
				lda (ZPTmpPtr1),y
				cmp DEVSIG.Value,x
				bne .3
				dex
				bpl .2
				bra .4
				
.3				inc ZPTmpPtr1+1			no match, try next slot....
				lda ZPTmpPtr1+1
				cmp #$C8
				bne .1	
				
				>LDYA L.MSG.DETECT.KO
				>SYSCALL SYS.PSTROutYA

				lda #DEVMGR.ERRNOHW		Not Found in any slot, exiting
				sec
				rts	
				
.4				lda ZPTmpPtr1+1
				sta DEVSLOTCn
				and #$0F
				sta DEVSLOT0n
				ora #$30
				sta DEV.HEADER.NAME+4
				asl
				asl
				asl
				asl
				sta DEVSLOTn0
				
				>LDYA L.MSG.DETECT.OK
				>SYSCALL SYS.PSTROutYA
				>LDYA L.DEV.HEADER.NAME
				>SYSCALL SYS.PSTROutYA
				lda #13
				>SYSCALL SYS.COutA
				clc
				rts
*--------------------------------------
CS.END
MSG.DETECT		>PSTRING "Apple Mouse Card/IIc Mouse Driver.\n"
MSG.DETECT.OK	>PSTRING "Mouse Installed As Device : "
MSG.DETECT.KO	>PSTRING "No Mouse Found.\n"
DEVSIG.Offset	.HS 05070B0CFB
DEVSIG.Value	.HS 38180120D6
DEVSIG.Length	.EQ DEVSIG.Value-DEVSIG.Offset
*--------------------------------------
*			Device Header (16 Bytes)
*--------------------------------------
DEV.HEADER		cld
				jmp (DRV.CS.START,x)
				.HS 00					DevID
				.DA #S.DEV.F.EVENT
DEV.HEADER.NAME	>PSTRING "MOU1"			NAME
				.HS 00
				.HS 00.00.00.00
*--------------------------------------
*			Driver Code
*--------------------------------------
DRV.CS.START	.DA OPEN
				.DA GETEVENT
				.DA COUT
				.DA CLOSE
				.DA GETINFO
				.DA IRQ
				.DA SELECT
L.DEVINFO		.DA DEVINFO
				.DA 0					end or relocation
*--------------------------------------
OPEN			
*				bit RROMBNK2			Renable ROM to allow MOUSE II firmware
						
				php						to read  IIe ROM ID bytes
				sei
				lda #1					Enable, Polling mode
				ldy #SETMOUSE
				jsr GOMOUSE
				
				ldy #INITMOUSE			Reset
				jsr GOMOUSE

				stz LOCLAMPLO
				stz LOCLAMPHI
				lda #559
				sta HICLAMPLO
				lda /559
				sta HICLAMPHI
				
				lda #0					set X
				ldy #CLAMPMOUSE 
				jsr GOMOUSE

				stz LOCLAMPLO
				stz LOCLAMPHI
				lda #191
				sta HICLAMPLO
				lda /191
				sta HICLAMPHI
				
				lda #1					set Y
				ldy #CLAMPMOUSE 
				jsr GOMOUSE
				
				ldy #HOMEMOUSE				
				jsr GOMOUSE

				plp
				
				clc
				rts
*--------------------------------------
GETEVENT		lda A2osX.ASCREEN
				cmp #3					is DHGR screen active?
				bne .9
				
				php
				sei

				ldy #READMOUSE
				jsr GOMOUSE
				
				ldx DEVSLOT0n
				ldy #S.EVT.DATALO
				
				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 & previoulsy up
				bcc .1
				
				lda #EVENT.MOUSEUP
				bra .2
				
.1				lda #EVENT.MOUSEDOWN

.2				sta (pEvent),y
				
.3				lda MOUSESTSx,x
				and #MOUSESTSx.MOVED
				beq .4
				
				lda (pEvent),y
				ora #EVENT.MOUSEMOVE
				sta (pEvent),y
				
.4				ldy #S.EVT.DATAW1
				lda MOUSEXLOx,x
				sta (pEvent),y
				iny
				lda MOUSEXHIx,x
				sta (pEvent),y
				iny
				lda MOUSEYLOx,x
				sta (pEvent),y
				iny
				lda MOUSEYHIx,x
				sta (pEvent),y
			
				plp
				ldy #S.EVT.DATALO
				lda (pEvent),y
				beq .9
				
				lda #S.EVT.F.MOUSE
				sta (pEvent)
				clc
				rts

.9				lda	#0					Error = no event
				sec
				rts				
*--------------------------------------
COUT
IRQ
SELECT			lda #DEVMGR.ERRUNSUP
				sec
				rts
*--------------------------------------
CLOSE			php
				sei
				lda #0					Disable
				ldy #SETMOUSE
				jsr GOMOUSE
				plp
				clc
				rts
*--------------------------------------
GETINFO			>LDYA L.DEVINFO
				clc
				rts
*--------------------------------------
GOMOUSE			pha
				stz ZPGoMouse
				ldx DEVSLOTCn
				stx ZPGoMouse+1
				lda (ZPGoMouse),y
				sta ZPGoMouse
				ldy DEVSLOTn0
				pla
				jmp (ZPGoMouse)
*--------------------------------------
DRV.CS.END
DEVSLOT0n		.BS 1
DEVSLOTn0		.BS 1
DEVSLOTCn		.BS 1
*--------------------------------------
DEVINFO			.DA #S.DEVINFO.TYPE.XY
MAN
SAVE DRV/MOUSE.DRV.S
ASM