mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-07 17:29:34 +00:00
Kernel 0.94
This commit is contained in:
Rémy GIBERT
parent
ed33c792e1
commit
1ebf41f488
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@ -16,11 +16,11 @@ AUTO 4,1
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.OR ZPBIN
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ZS.START
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ZPPtr1 .BS 2
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ZPPtr2 .BS 2
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ZPPtrFD .BS 2
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ZPPtrDevName .BS 2
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Index .BS 1
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hDevID .BS 1
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hBuf .BS 1
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hMem .BS 1
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@ -246,8 +246,22 @@ CS.RUN.LL.DISKII
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>LDYAI 4096
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>SYSCALL GetMem
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bcs .9
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>STYA ZPPtr1
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stx hMem
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>STYA ZPPtr1
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>STYA ZPPtr2
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ldx #16
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lda #0
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tay
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.10 sta (ZPPtr2),y
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iny
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bne .10
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inc ZPPtr2+1
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dex
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bne .10
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stz Index
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@ -257,8 +271,11 @@ CS.RUN.LL.DISKII
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>SYSCALL PrintF
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bcs .9
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>PUSHBI $E0 S6D2
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>PUSHB Index
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>PUSHW ZPPtr1
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>LIBCALL hLIBBLKDEV,LIBBLKDEV.D2TrkWrite16s
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bcs .9
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inc Index
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lda Index
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@ -268,7 +285,14 @@ CS.RUN.LL.DISKII
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>PUSHW L.MSG.CRLF
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>PUSHBI 0
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>SYSCALL PrintF
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.9 rts
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.9 php
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pha
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lda hMem
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>SYSCALL freemem
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pla
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plp
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rts
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*--------------------------------------
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CS.RUN.InitCat lda CatSize
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bne .1
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@ -4,8 +4,9 @@ NEW
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*--------------------------------------
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LIBBLKDEV.GetProDOSCatSize .EQ 4
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LIBBLKDEV.BuildProDOSCat .EQ 6
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LIBBLKDEV.D2TrkRead16s .EQ 8
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LIBBLKDEV.D2TrkWrite16s .EQ 10
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LIBBLKDEV.D2Recalibrate .EQ 8
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LIBBLKDEV.D2TrkRead16s .EQ 10
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LIBBLKDEV.D2TrkWrite16s .EQ 12
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*--------------------------------------
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MAN
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SAVE INC/LIBBLKDEV.I
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@ -33,6 +33,7 @@ Status.seek .EQ $82 target drive seeking
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ZPPtr1 .EQ ZPLIB
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ZPPtr2 .EQ ZPLIB+2
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ZPPtr3 .EQ ZPLIB+4
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ZPPtr4 .EQ ZPLIB+6
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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@ -52,9 +53,10 @@ CS.START cld
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.DA LIB.UNLOAD
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.DA GetProDOSCatSize
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.DA BuildProDOSCat
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.DA D2Recalibrate
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.DA D2TrkRead16s
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.DA D2TrkWrite16s
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.DA D2TrkRreadNIB
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.DA D2TrkReadNIB
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.DA D2TrkWriteNIB
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L.TrkWriter .DA TrkWriter
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L.ProDOS.Boot .DA ProDOS.Boot
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@ -287,6 +289,14 @@ BuildProDOSCat >PULLW ZPPtr1 DstBuf
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bra .7
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*/--------------------------------------
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*\--------------------------------------
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D2Recalibrate >PULLB DrvSlt
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jsr CheckDiskII
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bcs .9
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.9 rts
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*/--------------------------------------
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*\--------------------------------------
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D2TrkRead16s
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*/--------------------------------------
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* # D2TrkWrite16s
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@ -304,34 +314,22 @@ D2TrkWrite16s >PULLW ZPPtr1
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>PULLB TrkNum
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>PULLB DrvSlt
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>LDYAI TRACK16LEN+1
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>SYSCALL getmem
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>LDYAI TRACK16.LEN+1
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>SYSCALL2 getmem
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bcs .9
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>STYA ZPPtr2
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stx TrkBuf
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lda #254
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sta VolNum
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stz SectNum
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ldy #TRACK16.GAP1
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lda #$7f
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jsr PutSyncBytePtr2
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.1 jsr PutBytePtr2
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dey
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bne .1
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lda #$D5
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jsr PutBytePtr2
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lda #$AA
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jsr PutBytePtr2
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lda #$96
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jsr PutBytePtr2
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.1 jsr PutAddrHeadPtr2
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jsr HeaderCheckSum
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@ -342,6 +340,29 @@ D2TrkWrite16s >PULLW ZPPtr1
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dey
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bpl .2
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jsr PutTailPtr2
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ldy #TRACK16.GAP2
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jsr PutSyncBytePtr2
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jsr PutDataHeadPtr2
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jsr PutData
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jsr PutTailPtr2
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ldy #TRACK16.GAP3
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jsr PutSyncBytePtr2
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inc ZPPtr1+1
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inc SectNum
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lda SectNum
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cmp #16
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bne .1
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lda TrkBuf
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>SYSCALL2 FreeMem
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clc
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.9 rts
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*/--------------------------------------
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@ -391,9 +412,10 @@ D2TrkWriteNIB >PULLB DrvSlt
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lda DrvSlt
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jsr DrvTrkSelect
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bcs .9
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ldy #TrkWriter.Size
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clc
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* clc
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.9 rts
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*--------------------------------------
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SetStatusAndExit
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@ -420,15 +442,21 @@ CheckDiskII and #$70 only 0SSS
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ora #$C0 make Cn
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sta .2+2
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ldx #3 4 bytes to check
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.1 ldy DiskII.OFS,x
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.2 lda $C000,y Self Modified
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cmp DiskII.SIG,x
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bne .9
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dex
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bpl .1
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clc all bytes match, Disk II
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rts
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.9 sec
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.9 lda #MLI.E.NODEV
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sec
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rts
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*--------------------------------------
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* A=DSSS0000
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@ -441,20 +469,15 @@ DrvSpinCheck jsr DrvSelect
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bne .8 spinning
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dey
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bne .1
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clc CC:not spinning
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rts
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.8 sec
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rts
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*--------------------------------------
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* A=DSSS0000
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*--------------------------------------
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HeaderCheckSum lda VolNum
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eor TrkNum
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eor SectNum
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sta Checksum
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rts
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*--------------------------------------
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DrvSelect pha
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and #$70
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tax
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@ -468,6 +491,117 @@ DrvSelect pha
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lda IO.D2.ReadMode,x Make sure readmode
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rts
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*--------------------------------------
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PutSyncBytePtr2 lda #$7f
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.1 jsr PutBytePtr2
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dey
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bne .1
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rts
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*--------------------------------------
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PutAddrHeadPtr2 ldy #2
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.1 lda ADDR.Head,y
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jsr PutBytePtr2
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dey
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bpl .1
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rts
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*--------------------------------------
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PutDataHeadPtr2 ldy #2
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.1 lda DATA.Head,y
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jsr PutBytePtr2
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dey
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bpl .1
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rts
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*--------------------------------------
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PutTailPtr2 ldy #2
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.1 lda TAIL,y
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jsr PutBytePtr2
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dey
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bpl .1
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rts
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*--------------------------------------
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HeaderCheckSum lda VolNum
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eor TrkNum
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eor SectNum
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sta Checksum
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rts
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*--------------------------------------
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PutData stz Checksum
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lda ZPPtr1
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ldy ZPPtr1+1
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clc
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adc #86
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bcc .1
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iny
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clc
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.1 sta ZPPtr3
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sty ZPPtr3+1
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adc #86
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bcc .2
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iny
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.2 sta ZPPtr4
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sty ZPPtr4+1
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ldy #85
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.3 lda (ZPPtr1),y
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and #3
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tax
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lda XRW.XX000000,x
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pha
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lda (ZPPtr3),y
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and #3
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tax
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pla
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ora XRW.00XX0000,x
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pha
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lda (ZPPtr4),y
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and #3
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tax
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pla
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ora XRW.0000XX00,x
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eor Checksum
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sta Checksum
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tax
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lda FC2Nib,x
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jsr PutBytePtr2
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dey
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bpl .3
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ldy #0
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.4 lda (ZPPtr3),y
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and #$FC
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eor Checksum
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sta Checksum
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tax
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lda FC2Nib,x
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jsr PutBytePtr2
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iny
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bne .4
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ldx Checksum
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lda FC2Nib,x
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jsr PutBytePtr2
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rts
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*--------------------------------------
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PutByte44Ptr2 pha
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rol
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jsr .1
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@ -476,11 +610,13 @@ PutByte44Ptr2 pha
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.1 ora #$AA
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*--------------------------------------
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PutBytePtr2 sta ZPPtr2
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PutBytePtr2 sta (ZPPtr2)
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inc ZPPtr2
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bne .8
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inc ZPPtr2+1
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.8 rts
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*--------------------------------------
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*--------------------------------------
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CS.END
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*--------------------------------------
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@ -549,6 +685,113 @@ TrkWriter.Start lda IO.D2.ReadMode,x
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TrkWriter.Size .EQ *-TrkWriter.Start
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.EP
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*--------------------------------------
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ADDR.Head .HS 96AAD5
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DATA.Head .HS ADAAD5
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TAIL .HS EBAADE
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*--------------------------------------
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Nib2FC .HS 0004
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.HS FFFF
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.HS 080C
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.HS FF
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.HS 101418
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XRW.XX000000 .HS 008040C0FFFF used in fast prenib as lookup for 2-bit quantities.
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.HS 1C20
|
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.HS FFFFFF
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.HS 24282C3034
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.HS FFFF
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.HS 383C4044484C
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||||
.HS FF
|
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.HS 5054585C606468
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XRW.00XX0000 .HS 00201030 used in fast prenib.
|
||||
endmrks .HS DEAAEB table using 'unused' nibbles ($C4,$C5,$C6,$C7)
|
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.HS FFFFFFFF
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.HS 6C
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.HS FF
|
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.HS 707478
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.HS FFFFFF
|
||||
.HS 7C
|
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.HS FFFF
|
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.HS 8084
|
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.HS FF
|
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.HS 888C9094989CA0
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XRW.0000XX00 .HS 0008040C used in fast prenib.
|
||||
.HS FF
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||||
.HS A4A8AC
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||||
.HS FF
|
||||
.HS B0B4B8BCC0C4C8
|
||||
.HS FFFF
|
||||
.HS CCD0D4D8DCE0
|
||||
.HS FF
|
||||
.HS E4E8ECF0F4F8FC
|
||||
*--------------------------------------
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dnibl2 .HS 00
|
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dnibl3 .HS 00
|
||||
dnibl4 .HS 00
|
||||
FC2Nib .HS 96
|
||||
.HS 02000097
|
||||
.HS 0100009A
|
||||
.HS 0300009B
|
||||
.HS 0002009D
|
||||
.HS 0202009E
|
||||
.HS 0102009F
|
||||
.HS 030200A6
|
||||
.HS 000100A7
|
||||
.HS 020100AB
|
||||
.HS 010100AC
|
||||
.HS 030100AD
|
||||
.HS 000300AE
|
||||
.HS 020300AF
|
||||
.HS 010300B2
|
||||
.HS 030300B3
|
||||
.HS 000002B4
|
||||
.HS 020002B5
|
||||
.HS 010002B6
|
||||
.HS 030002B7
|
||||
.HS 000202B9
|
||||
.HS 020202BA
|
||||
.HS 010202BB
|
||||
.HS 030202BC
|
||||
.HS 000102BD
|
||||
.HS 020102BE
|
||||
.HS 010102BF
|
||||
.HS 030102CB
|
||||
.HS 000302CD
|
||||
.HS 020302CE
|
||||
.HS 010302CF
|
||||
.HS 030302D3
|
||||
.HS 000001D6
|
||||
.HS 020001D7
|
||||
.HS 010001D9
|
||||
.HS 030001DA
|
||||
.HS 000201DB
|
||||
.HS 020201DC
|
||||
.HS 010201DD
|
||||
.HS 030201DE
|
||||
.HS 000101DF
|
||||
.HS 020101E5
|
||||
.HS 010101E6
|
||||
.HS 030101E7
|
||||
.HS 000301E9
|
||||
.HS 020301EA
|
||||
.HS 010301EB
|
||||
.HS 030301EC
|
||||
.HS 000003ED
|
||||
.HS 020003EE
|
||||
.HS 010003EF
|
||||
.HS 030003F2
|
||||
.HS 000203F3
|
||||
.HS 020203F4
|
||||
.HS 010203F5
|
||||
.HS 030203F6
|
||||
.HS 000103F7
|
||||
.HS 020103F9
|
||||
.HS 010103FA
|
||||
.HS 030103FB
|
||||
.HS 000303FC
|
||||
.HS 020303FD
|
||||
.HS 010303FE
|
||||
.HS 030303FF
|
||||
*--------------------------------------
|
||||
LC.BitMap .HS 80402010080402018040201008040201
|
||||
*--------------------------------------
|
||||
ProDOS.Boot .HS 01.38.b0.03.4c.32.a1.86.43.c9.03.08.8a.29.70.4a
|
||||
|
|
|
|||
|
|
@ -131,14 +131,15 @@ XDOS.devmgr php do not allow interrupts.
|
|||
inx else account for 3-page straddle
|
||||
|
||||
.2 jsr vldbuf1 make sure user buffer is not
|
||||
bcs dvmgrerr conflicting with protected ram.
|
||||
bcs .9 conflicting with protected ram.
|
||||
|
||||
jsr dmgr call internal entry for device dispatch
|
||||
bcs dvmgrerr branch if error
|
||||
bcs .9 branch if error
|
||||
plp
|
||||
clc no error
|
||||
rts
|
||||
|
||||
dvmgrerr plp restore interrupt status
|
||||
.9 plp restore interrupt status
|
||||
gosyserr jsr GP.P8errv
|
||||
*--------------------------------------
|
||||
dmgr lda unitnum get device # and
|
||||
|
|
@ -148,7 +149,7 @@ dmgr lda unitnum get device # and
|
|||
lsr
|
||||
lsr
|
||||
tax
|
||||
gocmd jmp (DEVPTRS,x) goto driver (or error if no driver)
|
||||
jmp (DEVPTRS,x) goto driver (or error if no driver)
|
||||
*--------------------------------------
|
||||
* ProDOS interrupt manager
|
||||
*--------------------------------------
|
||||
|
|
|
|||
|
|
@ -4,6 +4,17 @@ NEW
|
|||
XRW.START cld $D8 to flag language card bank 1 (main)
|
||||
|
||||
lda unitnum get unit number.
|
||||
|
||||
pha
|
||||
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
sta XRW.UnitIndex
|
||||
|
||||
pla
|
||||
|
||||
and #$7F mask off high bit.
|
||||
sta A2L 0SSS0000 for IO indexing
|
||||
|
||||
|
|
@ -88,7 +99,7 @@ L59BD jsr XRW.AllPhaseOff make sure all motor phases are off.
|
|||
* read/write a track/sector
|
||||
|
||||
regrwts ldy #$01 retry count
|
||||
sty seekcnt only one recalibrate per call
|
||||
sty XRW.Recalibrate only one recalibrate per call
|
||||
sta XRW.ReqSector
|
||||
|
||||
* now check if the motor is on, then start it
|
||||
|
|
@ -156,46 +167,46 @@ L538E lda A4L get command #
|
|||
|
||||
jsr XRW.PreNibble
|
||||
|
||||
L5398 ldy #$40 64 retries
|
||||
sty retrycnt
|
||||
L5398 ldy #64
|
||||
sty XRW.RetryCnt
|
||||
|
||||
L539D jsr XRW.ReadAddr read next address field.
|
||||
bcc L53BE branch if read ok.
|
||||
|
||||
L53A4 dec retrycnt one less chance.
|
||||
L53A4 dec XRW.RetryCnt one less chance.
|
||||
bpl L539D branch to retry.
|
||||
|
||||
lda #MLI.E.IO anticipate a bad drive error.
|
||||
dec seekcnt can only recalibrate once.
|
||||
dec XRW.Recalibrate can only recalibrate once.
|
||||
bne hndlerr
|
||||
|
||||
lda curtrk
|
||||
lda XRW.CurrentTrack
|
||||
pha save track
|
||||
asl
|
||||
asl
|
||||
adc #32 pretend track is 8 > curtrk
|
||||
|
||||
ldy #$40
|
||||
sty retrycnt reset retries to 64 max.
|
||||
ldy #64
|
||||
sty XRW.RetryCnt reset retries to 64 max.
|
||||
bra L53CC always.
|
||||
|
||||
* have now read an address field. make sure this is
|
||||
* the correct track, sector and volume.
|
||||
|
||||
L53BE ldy XRW.AddrField.T
|
||||
cpy curtrk
|
||||
cpy XRW.CurrentTrack
|
||||
beq L53D5 ok
|
||||
|
||||
* recalibrating from this track
|
||||
|
||||
lda curtrk preserve destination track
|
||||
lda XRW.CurrentTrack preserve destination track
|
||||
pha
|
||||
tya
|
||||
asl
|
||||
asl
|
||||
|
||||
L53CC jsr XRW.GetUnitIdx get index to drive #
|
||||
sta XRW.LastTrackPos,y set the slot dependent track location
|
||||
L53CC ldy XRW.UnitIndex get index to drive #
|
||||
sta XDOS.SPUnit-1,y set the slot dependent track location
|
||||
|
||||
pla
|
||||
jsr XRW.Seek
|
||||
|
|
@ -235,16 +246,6 @@ L53FD ldx A2L
|
|||
lda IO.D2.RData,x keep in read mode
|
||||
bra statdne
|
||||
*--------------------------------------
|
||||
XRW.GetUnitIdx pha preserve acc across call
|
||||
lda unitnum DSSS0000
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
tay 0000DSSS index to table.
|
||||
pla restore acc
|
||||
rts
|
||||
*--------------------------------------
|
||||
* determine if motor is stopped
|
||||
*
|
||||
* if stopped, controller's shift register will not be changing.
|
||||
|
|
@ -315,21 +316,21 @@ L5912 sta prn1+1 self mod 1
|
|||
prn1 lda $1000,y warning: self modified. get byte from lowest group.
|
||||
and #$03 strip high 6 bits.
|
||||
tax index to 2 bit equivalent.
|
||||
lda twobit1,x
|
||||
lda XRW.0000XX00,x
|
||||
pha save pattern
|
||||
|
||||
prn2 lda $1056,y warning: self modified. get byte from middle group.
|
||||
and #$03
|
||||
tax
|
||||
pla restore pattern.
|
||||
ora twobit2,x combine 2nd group with 1st.
|
||||
ora XRW.00XX0000,x combine 2nd group with 1st.
|
||||
pha save new pattern.
|
||||
|
||||
prn3 lda $10AC,y warning: self modified. get byte from highest group.
|
||||
and #$03
|
||||
tax
|
||||
pla restore new pattern
|
||||
ora twobit3,x and form final nibl.
|
||||
ora XRW.XX000000,x and form final nibl.
|
||||
pha
|
||||
|
||||
tya
|
||||
|
|
@ -533,7 +534,7 @@ wrefd5 ldx #$60 (2) restore slot. warning: modified by prenib
|
|||
nop (2)
|
||||
nop (2)
|
||||
|
||||
L58D3 lda endmrks,y (4) dm4, dm5, dm6 and turn off byte.
|
||||
L58D3 lda XRW.EndDataMark,y (4) dm4, dm5, dm6 and turn off byte.
|
||||
jsr wnibl (15,6) write it
|
||||
iny (2)
|
||||
cpy #$04 (2) have all end marks been written ?
|
||||
|
|
@ -739,15 +740,15 @@ L57CD pla place last byte into user buffer
|
|||
* observe 'no page cross' warnings on some branches !!!
|
||||
*--------------------------------------
|
||||
XRW.ReadAddr ldy #$FC
|
||||
sty countn 'must find' count
|
||||
sty XRW.CheckSum init nibble counter to $FCFC
|
||||
|
||||
ldx A2L get slot #
|
||||
|
||||
L569D iny
|
||||
bne L56A5 low order of count.
|
||||
bne L56A5 counter LO
|
||||
|
||||
inc countn (2k nibles to find address mark
|
||||
beq rderr else error)
|
||||
inc XRW.CheckSum counter HI
|
||||
beq rderr
|
||||
|
||||
L56A5 lda IO.D2.RData,x read nibl
|
||||
bpl L56A5 *** no page cross ***
|
||||
|
|
@ -771,23 +772,23 @@ L56BA lda IO.D2.RData,x
|
|||
cmp #$96 address mark 3 ?
|
||||
bne L56AA if not, is it address mark 1
|
||||
|
||||
sei no interrupts until address is tested.
|
||||
sei ???ALREADY DONE by XDOS.devmgr??? no interrupts until address is tested.
|
||||
lda #$00 init checksum
|
||||
|
||||
L56C6 sta csum
|
||||
L56C6 sta XRW.CheckSum
|
||||
|
||||
L56C9 lda IO.D2.RData,x read 'odd bit' nibl
|
||||
bpl L56C9 *** no page cross ***
|
||||
|
||||
rol align odd bits, '1' into lsb.
|
||||
sta last save them.
|
||||
sta XRW.Temp4x4 save them.
|
||||
|
||||
L56D2 lda IO.D2.RData,x read 'even bit' nibl
|
||||
bpl L56D2 *** no page cross ***
|
||||
|
||||
and last merge odd and even bits.
|
||||
sta XRW.AddrField,y store data byte.
|
||||
eor csum
|
||||
and XRW.Temp4x4 merge odd and even bits.
|
||||
sta XRW.AddrField.C,y store data byte.
|
||||
eor XRW.CheckSum
|
||||
dey
|
||||
bpl L56C6 loop on 4 data bytes.
|
||||
|
||||
|
|
@ -819,43 +820,43 @@ XRW.FREE1 .EQ $D4AA-* (2.0.3 = $02)
|
|||
.LIST OFF
|
||||
.BS $D4AA-*
|
||||
*--------------------------------------
|
||||
* nibl buffer 'nbuf2' must be at $xxAA
|
||||
* nibl buffer 'nbuf2' must fit in a page
|
||||
*--------------------------------------
|
||||
nbuf2 .BS $56 nibl buffer for read/write of low 2-bits of each byte.
|
||||
*--------------------------------------
|
||||
* fast seek subroutine
|
||||
* A = desired track
|
||||
* curtrk = current 1/4 track
|
||||
* XRW.CurrentTrack = current 1/4 track
|
||||
*
|
||||
* montimel,h are incremented by the # of 100us quantums required by seek for motor on time overlap.
|
||||
* variables used: curtrk, A2L, montimel, montimeh
|
||||
* variables used: XRW.CurrentTrack, A2L, montimel, montimeh
|
||||
*--------------------------------------
|
||||
XRW.Seek asl transform into 1/4 tracks
|
||||
asl
|
||||
|
||||
pha
|
||||
|
||||
jsr XRW.GetUnitIdx get index to previous track
|
||||
lda XRW.LastTrackPos,y for current drive.
|
||||
ldy XRW.UnitIndex get index to previous track
|
||||
lda XDOS.SPUnit-1,y for current drive.
|
||||
|
||||
sta curtrk current position.
|
||||
sta XRW.CurrentTrack current position.
|
||||
|
||||
pla
|
||||
|
||||
sta XRW.LastTrackPos,y
|
||||
sta XDOS.SPUnit-1,y
|
||||
|
||||
.1 lda XRW.LastTrackPos,y
|
||||
.1 lda XDOS.SPUnit-1,y
|
||||
|
||||
sec
|
||||
sbc curtrk
|
||||
sbc XRW.CurrentTrack
|
||||
beq .8
|
||||
|
||||
bcc .2
|
||||
|
||||
cmp #3 A>curtrk, must move in
|
||||
cmp #2 A>curtrk, must move in
|
||||
bcc .3
|
||||
|
||||
lda #3
|
||||
lda #2
|
||||
bra .3
|
||||
|
||||
.2 cmp #$fe A<curtrk, must move out
|
||||
|
|
@ -868,8 +869,8 @@ XRW.Seek asl transform into 1/4 tracks
|
|||
.3 tax save move direction
|
||||
|
||||
clc
|
||||
adc curtrk
|
||||
sta curtrk
|
||||
adc XRW.CurrentTrack
|
||||
sta XRW.CurrentTrack
|
||||
|
||||
jsr XRW.PhaseOn
|
||||
|
||||
|
|
@ -880,8 +881,8 @@ XRW.Seek asl transform into 1/4 tracks
|
|||
|
||||
bra .1
|
||||
|
||||
.8 lsr curtrk convert back to track#
|
||||
lsr curtrk
|
||||
.8 lsr XRW.CurrentTrack convert back to track#
|
||||
lsr XRW.CurrentTrack
|
||||
rts
|
||||
|
||||
XRW.PhaseOn dex
|
||||
|
|
@ -917,28 +918,6 @@ XRW.AllPhaseOff ldx A2L
|
|||
lda IO.D2.Ph2Off,x
|
||||
lda IO.D2.Ph3Off,x
|
||||
rts
|
||||
*--------------------------------------
|
||||
XRW.LastTrackPos .EQ *
|
||||
curtrk .HS 00 (D0S0)
|
||||
.HS 00000000000000 for slots 1 thru 7 drive 1
|
||||
csum .HS 00 (D1S0) used for address header cksum
|
||||
.HS 00000000000000 for slots 1 thru 7 drive 2
|
||||
*--------------------------------------
|
||||
XRW.ReqTrack .HS 00
|
||||
XRW.ReqSector .HS 00
|
||||
ibstat .HS 00
|
||||
XRW.LastUnitUsed .HS 00
|
||||
retrycnt .HS 00
|
||||
seekcnt .HS 00
|
||||
countn .EQ * 'must find' count.
|
||||
last .HS 00 'odd bit' nibls.
|
||||
|
||||
XRW.AddrField .HS 00 AddrField Checksum
|
||||
XRW.AddrField.S .HS 00 AddrField Sector
|
||||
XRW.AddrField.T .EQ * AddrField Track
|
||||
montimel .HS 00
|
||||
XRW.AddrField.V .EQ * AddrField Volume
|
||||
montimeh .HS 00
|
||||
*--------------------------------------
|
||||
.LIST ON
|
||||
XRW.FREE2 .EQ $D596-*
|
||||
|
|
@ -955,31 +934,48 @@ XRW.FREE2 .EQ $D596-*
|
|||
* aligned to page boundary + $96
|
||||
*--------------------------------------
|
||||
XRW.Nib2FC .HS 0004
|
||||
.HS FFFF
|
||||
* .HS FFFF
|
||||
XRW.UnitIndex .HS 00
|
||||
XRW.LastUnitUsed .HS 00
|
||||
.HS 080C
|
||||
.HS FF
|
||||
* .HS FF
|
||||
XRW.Recalibrate .HS 00
|
||||
.HS 101418
|
||||
twobit3 .HS 008040C0FFFF used in fast prenib as lookup for 2-bit quantities.
|
||||
XRW.XX000000 .HS 008040C0 used in fast prenib as lookup for 2-bit quantities.
|
||||
* .HS FFFF
|
||||
montimel .HS 00
|
||||
montimeh .HS 00
|
||||
.HS 1C20
|
||||
.HS FFFFFF
|
||||
.HS 24282C3034
|
||||
.HS FFFF
|
||||
* .HS FFFF
|
||||
XRW.ReqTrack .HS 00
|
||||
XRW.ReqSector .HS 00
|
||||
.HS 383C4044484C
|
||||
.HS FF
|
||||
* .HS FF
|
||||
XRW.CurrentTrack .HS 00
|
||||
.HS 5054585C606468
|
||||
twobit2 .HS 00201030 used in fast prenib.
|
||||
endmrks .HS DEAAEB table using 'unused' nibbles ($C4,$C5,$C6,$C7)
|
||||
.HS FFFFFFFF
|
||||
XRW.00XX0000 .HS 00201030 used in fast prenib.
|
||||
XRW.EndDataMark .HS DEAAEB table using 'unused' nibbles ($C4,$C5,$C6,$C7)
|
||||
* .HS FFFFFFFF
|
||||
XRW.AddrField.C .HS 00 AddrField Checksum
|
||||
XRW.AddrField.S .HS 00 AddrField Sector
|
||||
XRW.AddrField.T .HS 00 AddrField Track
|
||||
XRW.AddrField.V .HS 00 AddrField Volume
|
||||
.HS 6C
|
||||
.HS FF
|
||||
* .HS FF
|
||||
ibstat .HS 00
|
||||
.HS 707478
|
||||
.HS FFFFFF
|
||||
.HS 7C
|
||||
.HS FFFF
|
||||
* .HS FFFF
|
||||
XRW.Temp4x4 .HS 00
|
||||
XRW.CheckSum .HS 00 used for address header cksum
|
||||
.HS 8084
|
||||
.HS FF
|
||||
* .HS FF
|
||||
XRW.RetryCnt .HS 00
|
||||
.HS 888C9094989CA0
|
||||
twobit1 .HS 0008040C used in fast prenib.
|
||||
XRW.0000XX00 .HS 0008040C used in fast prenib.
|
||||
.HS FF
|
||||
.HS A4A8AC
|
||||
.HS FF
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user