mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-29 17:50:18 +00:00
197 lines
4.0 KiB
Plaintext
197 lines
4.0 KiB
Plaintext
NEW
|
||
AUTO 3,1
|
||
.LIST OFF
|
||
.OP 65C02
|
||
.OR $2000
|
||
.TF drv/pic.drv
|
||
*--------------------------------------
|
||
.INB inc/macros.i
|
||
.INB inc/a2osx.i
|
||
.INB inc/mli.e.i
|
||
*--------------------------------------
|
||
ZPTmpPtr1 .EQ ZPDRV
|
||
*--------------------------------------
|
||
* File Header (16 Bytes)
|
||
*--------------------------------------
|
||
CS.START cld
|
||
jmp Dev.Detect cld,jmp abs=DRV
|
||
.DA #$61 6502,Level 1 (65c02)
|
||
.DA #1 DRV Layout Version 1
|
||
.DA 0
|
||
.DA CS.END-CS.START Code Length
|
||
.DA 0
|
||
.DA #32 SS
|
||
.DA #2 ZP
|
||
.DA 0
|
||
*--------------------------------------
|
||
* Relocation Table
|
||
*--------------------------------------
|
||
L.MSG.DETECT .DA MSG.DETECT
|
||
L.MSG.DETECT.OK .DA MSG.DETECT.OK
|
||
L.MSG.DETECT.KO .DA MSG.DETECT.KO
|
||
L.DRV.CS.START .DA DRV.CS.START
|
||
L.FD.DEV .DA FD.DEV
|
||
L.FD.DEV.NAME .DA FD.DEV.NAME
|
||
.DA 0 End Of Reloc Table
|
||
*--------------------------------------
|
||
Dev.Detect >STYA ARGS
|
||
|
||
>LDYA L.MSG.DETECT
|
||
>SYSCALL PutS
|
||
|
||
stz ZPTmpPtr1
|
||
lda #$C1
|
||
sta ZPTmpPtr1+1
|
||
|
||
.1 and #$0f
|
||
tay
|
||
lda A2osX.S,y
|
||
bne .3
|
||
|
||
ldx #DEVSIG.Length-1
|
||
|
||
.2 ldy DEVSIG.Offset,x
|
||
lda (ZPTmpPtr1),y
|
||
cmp DEVSIG.Value,x
|
||
bne .3
|
||
|
||
dex
|
||
bpl .2
|
||
|
||
bra .4
|
||
|
||
.3 inc FD.DEV.NAME+3
|
||
inc ZPTmpPtr1+1 no match, try next slot....
|
||
lda ZPTmpPtr1+1
|
||
cmp #$C8
|
||
bne .1
|
||
|
||
>LDYA L.MSG.DETECT.KO
|
||
>SYSCALL PutS
|
||
|
||
lda #MLI.E.NODEV Not Found in any slot, exiting
|
||
sec
|
||
rts
|
||
|
||
.4 lda ZPTmpPtr1+1
|
||
and #$0F
|
||
pha
|
||
tay
|
||
lda #A2osX.S.COM
|
||
sta A2osX.S,y
|
||
pla
|
||
asl
|
||
asl
|
||
asl
|
||
asl
|
||
sta DEVSLOTn0
|
||
|
||
.8 >PUSHW L.MSG.DETECT.OK
|
||
>PUSHW L.FD.DEV.NAME
|
||
>PUSHBI 2
|
||
>SYSCALL PrintF
|
||
|
||
>PUSHWI DRV.END
|
||
>PUSHWI DRV.CS.END-DRV.CS.START
|
||
>PUSHWI DRV.CS.START
|
||
>LDYA L.DRV.CS.START
|
||
>SYSCALL InsDrv
|
||
bcs .9
|
||
|
||
>STYA FD.DEV+S.FD.DEV.DRVPTR
|
||
|
||
>PUSHW L.FD.DEV
|
||
>PUSHW L.FD.DEV.NAME
|
||
>SYSCALL MKDev
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
CS.END
|
||
DEVSIG.Offset .HS 0507
|
||
DEVSIG.Value .HS 4848
|
||
DEVSIG.Length .EQ DEVSIG.Value-DEVSIG.Offset
|
||
MSG.DETECT .AZ "Apple PIC (Parallel Interface Card).\r\n"
|
||
MSG.DETECT.OK .AZ "PIC Installed As Device : %S\r\n"
|
||
MSG.DETECT.KO .AZ "No PIC Found.\r\n"
|
||
ARGS .BS 2
|
||
*--------------------------------------
|
||
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
|
||
FD.DEV.NAME .AZ "lpt1"
|
||
*--------------------------------------
|
||
* Driver Code
|
||
*--------------------------------------
|
||
DRV.CS.START cld
|
||
jmp (.1,x)
|
||
.1 .DA STATUS
|
||
.DA A2osX.BADCALL
|
||
.DA A2osX.BADCALL
|
||
.DA A2osX.BADCALL
|
||
.DA CONTROL
|
||
.DA A2osX.BADCALL
|
||
.DA OPEN
|
||
.DA CLOSE
|
||
.DA A2osX.BADCALL
|
||
.DA WRITE
|
||
L.STAT .DA STAT
|
||
.DA 0 end or relocation
|
||
*--------------------------------------
|
||
STATUS >LDYA L.STAT
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
CONTROL
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
OPEN
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
CLOSE
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
WRITE
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
DRV.CS.END
|
||
DEVSLOT0n .BS 1
|
||
DEVSLOTCn .BS 1
|
||
DEVSLOTn0 .BS 1
|
||
*--------------------------------------
|
||
STAT .DA #S.DIB.S.WRITE
|
||
.DA #0,#0,#0
|
||
>PSTR "Parallel Card"
|
||
.DA #0,#0,#0
|
||
.DA #S.DIB.T.CHAR
|
||
.DA #0
|
||
.DA $0900
|
||
*--------------------------------------
|
||
DIB .DA #S.DIB.S.WRITE
|
||
.DA #0,#0,#0
|
||
>PSTR "Serial Card/Port"
|
||
.DA #S.DIB.T.CHAR
|
||
.DA #0
|
||
.DA K.VER
|
||
*--------------------------------------
|
||
DCB .DA #S.DCB.T.COM
|
||
.DA #0 FLAGS
|
||
.DA 0
|
||
.DA #0
|
||
.DA #0
|
||
.DA #0
|
||
.DA #0
|
||
*--------------------------------------
|
||
DRV.END
|
||
MAN
|
||
SAVE usr/src/drv/pic.drv.s
|
||
ASM
|