mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-22 16:31:07 +00:00
275 lines
5.5 KiB
Plaintext
275 lines
5.5 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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* DRV.DiskII
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* X = IOCTL
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* Y,A = PTR to S.IOCTL
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*--------------------------------------
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DRV.DiskII cld
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cpx #IOCTL.FORMAT
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bcs DRV.RamDrive.9
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>STYA pIOCTL
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jmp (.1,x)
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.1 .DA DRV.DiskII.STATUS
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.DA DRV.BLK READ
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.DA DRV.BLK WRITE
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*--------------------------------------
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DRV.DiskII.STATUS
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>LDYAI DRV.DiskII.DIB
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jmp DRV.STATUS.YA
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*--------------------------------------
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DRV.DiskII.DIB .DA #S.DIB.S.BLOCK+S.DIB.S.WRITE+S.DIB.S.READ
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.DA 280
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.DA #0
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>PSTR "Disk ][ 5.25"
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.BS 4
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.DA #S.DIB.T.DISKII
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.DA #0
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.DA K.VER
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*--------------------------------------
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* DRV.RamDrive
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* X = IOCTL
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* Y,A = PTR to S.IOCTL
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*--------------------------------------
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DRV.RamDrive cld
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cpx #IOCTL.CONTROL
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bcs DRV.RamDrive.9
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>STYA pIOCTL
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jmp (.1,x)
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.1 .DA DRV.RamDrive.STATUS
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.DA DRV.BLK READ
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.DA DRV.BLK WRITE
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.DA DRV.BLK FORMAT
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DRV.RamDrive.9 jmp A2osX.BadCall
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*--------------------------------------
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DRV.RamDrive.STATUS
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jsr DRV.Blk
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bcs .9
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stx DRV.RamDrive.DIB+S.DIB.SIZE
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sty DRV.RamDrive.DIB+S.DIB.SIZE+1
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>LDYAI DRV.RamDrive.DIB
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jmp DRV.STATUS.YA
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.9 rts
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*--------------------------------------
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DRV.RamDrive.DIB
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.DA #S.DIB.S.BLOCK+S.DIB.S.WRITE+S.DIB.S.READ
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.BS 3
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>PSTR "ProDOS /RAM Disk"
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.DA #S.DIB.T.RAM
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.DA #0
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.DA K.VER
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*--------------------------------------
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* DRV.BlkDevice
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* X = IOCTL
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* Y,A = PTR to S.IOCTL
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*--------------------------------------
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DRV.BlkDevice cld
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cpx #IOCTL.CONTROL
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bcs DRV.RamDrive.9
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>STYA pIOCTL
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jmp (.1,x)
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.1 .DA DRV.BlkDevice.STATUS
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.DA DRV.BLK READ
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.DA DRV.BLK WRITE
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.DA DRV.BLK FORMAT
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*--------------------------------------
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DRV.BlkDevice.STATUS
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jsr DRV.Blk
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bcs .9
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stx DRV.BlkDevice.DIB+S.DIB.SIZE
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sty DRV.BlkDevice.DIB+S.DIB.SIZE+1
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>LDYAI DRV.BlkDevice.DIB
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jmp DRV.STATUS.YA
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.9 rts
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*--------------------------------------
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DRV.BlkDevice.DIB
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.DA #S.DIB.S.BLOCK+S.DIB.S.WRITE+S.DIB.S.READ
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.BS 3
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>PSTR "ProDOS Block Dev"
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.DA #S.DIB.T.PRODOS
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.DA #0
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.DA K.VER
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*--------------------------------------
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* IOCTL to BLK protocol converter
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* in : pIOCTL
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*--------------------------------------
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DRV.BLK txa
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lsr
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sta DRV.BLK.PARAMS CMD
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ldy #S.FD.DEV.DEVID Drive 1, or 2
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lda (pFD),y
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dec O or 1
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lsr in Carry
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php
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ldy #S.FD.DEV.BUSID
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lda (pFD),y
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asl
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asl
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asl
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asl
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asl
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plp
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ror DSSS0000
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sta DRV.BLK.PARAMS+1 UNITNUM
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ldx #3
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ldy #S.IOCTL.BUFPTR+3
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.1 lda (pIOCTL),y BUF,BLKNUM
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sta DRV.BLK.PARAMS+2,x
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dey
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dex
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bpl .1
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ldy #S.FD.DEV.BUSPTR
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lda (pFD),y
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sta .3+1
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iny
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lda (pFD),y
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sta .3+2
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jsr GO.ProDOS
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ldx #5
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.2 lda DRV.BLK.PARAMS,x
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sta $42,x
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dex
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bpl .2
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.3 jsr $ffff SELF MODIFIED
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jsr GO.A2osX
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rts
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DRV.BLK.PARAMS .BS 6
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*--------------------------------------
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* Smartport Driver
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*--------------------------------------
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DRV.SmartPort cld
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>STYA pIOCTL
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>STYA .3 smartport Params
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txa
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lsr
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sta .2
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tax
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lda DRV.SmartPort.Cnt,x
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sta (pIOCTL) CmdList
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ldy #S.FD.DEV.BUSPTR
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lda (pFD),y
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sta .1+1
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iny
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lda (pFD),y
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sta .1+2
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.1 jsr $ffff
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.2 .BS 1
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.3 .BS 2
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rts
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DRV.SmartPort.Cnt
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.HS 03030301030101010404
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*--------------------------------------
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* NULL DEVICE
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* - OPEN,WRITE,CLOSE always succeed.
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* - READ returns EOF.
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*--------------------------------------
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DRV.NULL cld
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>STYA pIOCTL
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txa
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beq DRV.NULL.STATUS
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jmp (.1-12,x)
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*--------------------------------------
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.1
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* .DA DRV.NULL.STATUS
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* .DA A2osX.BADCALL READBLOCK
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* .DA A2osX.BADCALL WRITEBLOCK
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* .DA A2osX.BADCALL FORMAT
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* .DA A2osX.BADCALL CONTROL
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* .DA A2osX.BADCALL INIT
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.DA DRV.NULL.OPEN
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.DA DRV.NULL.CLOSE
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.DA DRV.NULL.READ
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.DA DRV.NULL.WRITE
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*--------------------------------------
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DRV.NULL.DIB .DA #S.DIB.S.WRITE+S.DIB.S.READ+S.DIB.S.OPENED
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.DA #0,#0,#0
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>PSTR "NULL Device"
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.BS 5
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.DA #S.DIB.T.CHAR
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.DA #0
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.DA K.VER
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*--------------------------------------
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DRV.NULL.STATUS >LDYAI DRV.NULL.DIB
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*--------------------------------------
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DRV.STATUS.YA >STYA .2+1
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ldy #S.IOCTL.STATCODE
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lda (pIOCTL),y
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beq .1
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cmp #S.IOCTL.STATCODE.GETDIB
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bne .9
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ldx #S.DIB-1
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.HS 2C bit abs
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.1 ldx #3
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ldy #S.IOCTL.BUFPTR
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lda (pIOCTL),y
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sta .3+1
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iny
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lda (pIOCTL),y
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sta .3+2
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.2 lda $ffff,x SELF MODIFIED
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.3 sta $ffff,x SELF MODIFIED
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dex
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bpl .2
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clc
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rts
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.9 lda #MLI.E.BADCTL
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sec
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rts
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*--------------------------------------
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DRV.NULL.READ ldx #C.EOF
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*--------------------------------------
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DRV.READ.X ldy #S.IOCTL.BYTECNT
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lda #1
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sta (pIOCTL),y
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iny
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dec
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sta (pIOCTL),y
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ldy #S.IOCTL.BUFPTR
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lda (pIOCTL),y
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sta .1+1
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iny
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lda (pIOCTL),y
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sta .1+2
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.1 stx $ffff SELF MODIFIED
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*--------------------------------------
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DRV.NULL.OPEN
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DRV.NULL.WRITE
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DRV.NULL.CLOSE clc
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rts
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*--------------------------------------
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MAN
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SAVE USR/SRC/SYS/KERNEL.S.DRV
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LOAD USR/SRC/SYS/KERNEL.S
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ASM
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