mirror of
https://github.com/A2osX/A2osX.git
synced 2024-05-29 03:41:30 +00:00
Kernel 0.93+
This commit is contained in:
Rémy GIBERT
parent
bb6916c347
commit
851f76d9e9
Binary file not shown.
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@ -288,7 +288,7 @@ LDR.IIGS sta cortflag
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* running from gs/os shell so zero out os_boot for appletalk
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stz OS_BOOT indicates O/S initially booted.
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sta OS_BOOT indicates O/S initially booted.
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jsr patch101 patch for gs/os - rev note #101
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.1 bra LDR.Common
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@ -513,7 +513,11 @@ LDR.SetupCLK stx ZPInBufPtr
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LDR.SetupCLK.RTS
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rts
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*--------------------------------------
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LDR.SetupRAM jsr lc1in
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LDR.SetupRAM lda GP.numdevs
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cmp #13
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bcs LDR.SetupCLK.RTS
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jsr lc1in
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ldx PAKME.RAM
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ldy PAKME.RAM+1
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@ -542,9 +546,9 @@ LDR.SetupRAM jsr lc1in
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sta CLRWRITEAUX
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lda #RAMDRV put driver address into
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sta drivertbl2+6 slot 3, drive 2.
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sta DEVPTRS3D2
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lda /RAMDRV
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sta drivertbl2+7
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sta DEVPTRS3D2+1
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inc GP.numdevs count (-1) active devices
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ldx GP.numdevs
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@ -561,7 +565,10 @@ LDR.BlkDevScan stz idxl
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lda #$C7 search slots from high to low
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sta idxl+1
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.1 jsr cmpid
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lda #7
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sta LDR.SlotIdx
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.1 jsr LDR.CheckDiskID
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bcs .8 if no ProDOS device in this slot.
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ldy #$ff
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@ -572,115 +579,158 @@ LDR.BlkDevScan stz idxl
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lda #RWTS
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sta driveradr
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lda /RWTS
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sta driveradr+1
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sec 2 devices
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jsr installdev
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bra .8
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jsr LDR.AddBlkDevs
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bra .7
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.2 cmp #$FF if = $FF then 13 sector disk II.
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beq .8 ignore if 13 sector boot ROM
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ldy #$07 check for a smartport device.
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lda (idxl),y
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bne .2 no smartport
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bne .3 no smartport
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jsr smartprt
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bra .8
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jsr LDR.AddSPDevs
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bra .7
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.2 ldy #$FE BLK device...
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.3 ldy #$FE BLK device...
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lda (idxl),y get attributes.
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and #$03 verify it provides read and status calls.
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cmp #$03
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bne .7 assume it's an off-brand disk
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jsr setdevid set up the devid byte from attributes
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clc
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php remember that it's not a disk //.
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lda (idxl),y get back ID byte
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lsr
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lsr
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lsr
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lsr
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sta devid ->DEV LIST NIBBLE
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lsr move # of units (0=1, 1=2) to carry.
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lda idxl+1 store hi entry addr (low already done)
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and #$3 Device count minus 1
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inc
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ldx LDR.SlotIdx
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sta LDR.DevCnt-1,x
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tax
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iny $CnFF
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lda (idxl),y
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sta driveradr
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lda idxl+1 store hi entry addr (low already done)
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sta driveradr+1
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jsr installdev install 1 or 2 devices from this slot.
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cpx #2 CS if 2 devs or more
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jsr LDR.AddBlkDevs install 1 or 2 devices from this slot.
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.7 lda idxl+1 mark a bit in slot byte
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and #$07 to indicate rom present.
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tax
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.7 ldx LDR.SlotIdx
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lda sltbit,x
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tsb rommap mark bit to flag rom present
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.8 dec idxl+1 next lower slot.
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lda idxl+1
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and #$07 have all slots been checked ?
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dec LDR.SlotIdx have all slots been checked ?
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bne .1
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*--------------------------------------
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LDR.AddExtraDevs
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lda #7
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sta LDR.SlotIdx
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.1 ldx LDR.SlotIdx
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lda LDR.DevCnt-1,x
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cmp #3
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bcc .8
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ldy LDR.DevType-1,x
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bne .2
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jsr LDR.AddExtraBlkDev
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bra .8
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.2 jsr LDR.AddExtraSPDevs
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.8 dec LDR.SlotIdx
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bne .1
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* perform the new device search, mapping unmounted smartport devices
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* to empty slots in the device table.
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jsr newmount
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* now copy the disk // list to the end of the regular list.
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* start by making the device count include disk //'s
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ldx GP.numdevs current device count - 1
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clc
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adc GP.numdevs sum of disk //'s and others.
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sta GP.numdevs
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inx move to open space in regular list.
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ldy #$0D first disk // entry.
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H272F lda devlist,y
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pha
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lda devlist,x
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sta devlist,y
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pla
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sta devlist,x
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H2747 ldy #$00
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ldx GP.numdevs now change the device order so that
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H274C lda devlist,x the boot device will have highest
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pha priority.
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and #$7F strip off high bit
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eor devnum for comparison.
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asl
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bne H275A
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pla
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iny
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H275A dex
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bpl H274C
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ldx GP.numdevs now reverse order of search, hi to lo.
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tya was boot device found ?
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beq H2777
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lda devnum make boot device 1st in search order.
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sta devlist,x
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dex
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bmi H277E branch if only one device.
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dey is this a 2 drive device ?
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beq H2777 branch if not.
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eor #$80 make boot device, drive 2 next.
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sta devlist,x
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dex
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bmi H277E branch if only 1 device, 2 drives.
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H2777 pla
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sta devlist,x
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dex
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bpl H2777
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H277E rts
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stadrv ora devid combine with attributes.
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ldx GP.numdevs
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inx put device # into device list.
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sta devlist,x
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asl now form drive 2 device number, if any.
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rts
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*--------------------------------------
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installdev php how many drives (carry).
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LDR.AddSPDevs jsr LDR.SetDevID setup the devid byte from attributes
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iny #$ff
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lda (idxl),y
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sta driveradr
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sta pscall+1 modify operand
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clc
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adc #$03
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sta spvect+1
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lda idxl+1
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sta driveradr+1
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sta spvect+2
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sta pscall+2 modify operand
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asl convert $Cn to $n0
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asl
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asl
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asl
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sta unitnum unit number
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stz A4L force a prodos status call
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stz buf dummy pointer
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lda #$10
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sta buf+1 dummy pointer should be <> 0
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stz bloknml # of bytes to transfer
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stz bloknml+1
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pscall jsr $0000 self modifying code
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ldy #$FB
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lda (idxl),y check device id
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and #$02 SCSI?
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beq .1 no, no need to init Cocoon
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sta LDR.SPStatus.U device = 2 for SCSI
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jsr spvect status of Cocoon
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.HS 00
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.DA LDR.SPStatus.P ignore any errors.
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.1 stz LDR.SPStatus.U set unit# = 0
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jsr spvect call to get the device count.
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.HS 00 this is a status call
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.DA LDR.SPStatus.P
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lda LDR.SPStatus.Buf
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beq .8 no devices, so done.
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ldx LDR.SlotIdx
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inc LDR.DevType-1,x set as smartport
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.2 inc LDR.SPStatus.U
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jsr spvect call to get the device status
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.HS 00 this is a status call
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.DA LDR.SPStatus.P
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bcs .7 no more device
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lda LDR.SPStatus.Buf
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bpl .2 not a block device
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ldx LDR.SlotIdx
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inc LDR.DevCnt-1,x
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bra .2
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.7 ldx LDR.SlotIdx
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lda LDR.DevCnt-1,x
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beq .8
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cmp #2 add 1 or 2 devs
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jmp LDR.AddBlkDevs
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.8 rts
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*--------------------------------------
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LDR.AddBlkDevs php how many drives (carry).
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lda idxl+1 get index to global device table
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and #$07 for this slot...
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asl
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@ -689,7 +739,12 @@ installdev php how many drives (carry).
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asl
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asl now form device # = slot #
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asl in high nibble.
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jsr stadrv OR in low nibble, store in dev list.
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ora devid combine with attributes.
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ldx GP.numdevs
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inx put device # into device list.
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sta devlist,x
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asl now form drive 2 device number, if any.
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plp restore # of devices in carry.
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ror if 2 drives, then bit 7=1.
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@ -712,81 +767,122 @@ installdev php how many drives (carry).
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.3 rts
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*--------------------------------------
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* query smartport status to determine # of devices
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* and install up to 4 units in table if card is in slot 5
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* otherwise only 2 units. this includes a patch #74
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*--------------------------------------
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smartprt jsr setdevid setup the devid byte from attributes
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lda idxl+1
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sta driveradr+1
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lda driveradr
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sta pscall+1 modify operand
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clc
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adc #$03
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sta spvect+1
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lda driveradr+1
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sta spvect+2
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sta pscall+2 modify operand
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asl convert $Cn to $n0
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asl
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asl
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asl
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sta unitnum unit number
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stz A4L force a prodos status call
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stz buf dummy pointer
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stz bloknml # of bytes to transfer
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stz bloknml+1
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lda #$10
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sta buf+1 dummy pointer should be <> 0
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pscall jsr $0000 self modifying code
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ldy #$FB
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lda (idxl),y check device id
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and #$02 SCSI?
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beq .1 no, no need to init Cocoon
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sta statunit device = 2 for SCSI
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jsr spvect status of Cocoon
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.HS 00
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.DA spcparms ignore any errors.
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.1 stz statunit set unit# = 0
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jsr spvect call to get the device count.
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.HS 00 this is a status call
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.DA spcparms
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lda numdev2
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beq donesp no devices, so done.
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cmp #$02 carry set if 2,3,4
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jsr installdev do the 1st and 2nd device if exists.
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lda idxl+1
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cmp #$C5
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bne donesp if not slot 5
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lda numdev2
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cmp #$03 carry set if 3,4,...
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bcc donesp
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cmp #$04 carry set if 4,5,6,...
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lda #$C2 map extra devices as slot 2
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sta idxl+1
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jsr installdev
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lda #$C5
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sta idxl+1
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donesp rts
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*--------------------------------------
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setdevid ldy #$FE check attributes byte.
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lda (idxl),y
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lsr move hi nibble to lo nibble for
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lsr device table entries.
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lsr
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lsr
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sta devid
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LDR.AddExtraBlkDev
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rts
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*--------------------------------------
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cmpid lda CLRC8ROM switch out $C8 ROMs
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LDR.AddExtraSPDevs
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rts
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ldy #$FF get smartport address.
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lda (idxl),y
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clc
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adc #$03 add 3 for smartport call
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sta spvect+1
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lda idxl+1
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sta spvect+2
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jsr LDR.SetDevID set up device attributes
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stz LDR.SPStatus.U
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jsr spvect do a status call on smartport itself
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.HS 00
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.DA LDR.SPStatus.P
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lda LDR.SPStatus.Buf # of devices on smartport
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cmp #$03
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bcc .8 only 2 devices,skip to next one.
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inc add 1 for comparisons.
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sta driveradr # of devices + 1.
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* find block devices on this smartport
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.1 cmp driveradr have we done all units in this slot?
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bcs .8 yes, skip to next slot.
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sta LDR.SPStatus.U store the unit#.
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jsr spvect do status call
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.HS 00
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.DA LDR.SPStatus.P
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lda LDR.SPStatus.Buf is this a block device?
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bpl .2
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.2 lda LDR.SPStatus.U go check the next unit#
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inc
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bra .1
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.8 rts
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*--------------------------------------
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LDR.FindFree dec Drive 0-1
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asl
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asl
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asl
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tay
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ldx #$0C
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.1 ldy driveridx,x
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lda drivertbl1,y device driver table 1
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cmp #nodevice
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bne .2
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lda drivertbl1+1,y
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cmp /nodevice
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beq .8
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.2 dex
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bpl .1
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clc
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.8 rts ran out of space for devices, exit.
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*--------------------------------------
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LDR.MountSPDevs jsr lc1in write enable LC ram bank 1.
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tya divide index by 2
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lsr
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tax
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lda LDR.SPStatus.U
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sta spunit-1,x store the smartport unit #
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lda spvect+1 and entry address.
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sta spvectlo-1,x
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lda spvect+2
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sta spvecthi-1,x
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lda RROMBNK2 write protect lc ram.
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inc GP.numdevs
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ldx GP.numdevs
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tya
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lsr
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cmp #$08
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bcc .4 drive 2 mount
|
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sbc #$08
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ora #$08
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.4 asl
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asl
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asl
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asl
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ora devid include device attributes
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sta devlist,x in the active device list.
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lda #remap_sp
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sta drivertbl1,y device driver table 1
|
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lda /remap_sp
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sta drivertbl1+1,y
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rts
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*--------------------------------------
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* self modifying jmp = smartport entry address
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*--------------------------------------
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spvect jmp $0000 self modifying
|
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*--------------------------------------
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LDR.CheckDiskID lda CLRC8ROM switch out $C8 ROMs
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ldy #$05
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||||
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@ -802,128 +898,16 @@ cmpid lda CLRC8ROM switch out $C8 ROMs
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clc clear if disk card
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.2 rts
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*--------------------------------------
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* self modifying jmp = smartport entry address
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*--------------------------------------
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spvect jmp $0000 self modifying
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*--------------------------------------
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newmount stz idxl
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lda #$C7 start with slot 7 ($C700)
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sta idxl+1
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LDR.SetDevID ldy #$FE check attributes byte.
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H291F jsr H29EB is there a smartport device here?
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bcs H2974 no, next device.
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ldy #$FF get smartport address.
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lda (idxl),y
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clc
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adc #$03 add 3 for smartport call
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sta spvect+1
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lda idxl+1
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sta spvect+2
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jsr setdevid set up device attributes
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stz statunit
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|
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jsr spvect do a status call on smartport itself
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.HS 00
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.DA spcparms
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lda numdev2 # of devices on smartport
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cmp #$03
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bcc H2974 only 2 devices,skip to next one.
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inc add 1 for comparisons.
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sta driveradr # of devices + 1.
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* find block devices on this smartport
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||||
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H295B cmp driveradr have we done all units in this slot?
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bcs H2974 yes, skip to next slot.
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||||
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||||
sta statunit store the unit#.
|
||||
jsr spvect do status call
|
||||
.HS 00
|
||||
.DA spcparms
|
||||
lda numdev2 is this a block device?
|
||||
bmi mount yes, so mount it.
|
||||
|
||||
H296E lda statunit go check the next unit#
|
||||
inc
|
||||
bra H295B
|
||||
|
||||
H2974 dec idxl+1
|
||||
lda idxl+1
|
||||
cmp #$C0 searched down to slot 0?
|
||||
bne H291F if not.
|
||||
lsr move hi nibble to lo nibble for
|
||||
lsr device table entries.
|
||||
lsr
|
||||
lsr
|
||||
sta devid
|
||||
rts
|
||||
*--------------------------------------
|
||||
mount ldx #$0C
|
||||
|
||||
.1 ldy driveridx,x
|
||||
lda drivertbl1,y device driver table 1
|
||||
cmp #nodevice
|
||||
bne .2
|
||||
lda drivertbl1+1,y
|
||||
cmp /nodevice
|
||||
beq .3
|
||||
.2 dex
|
||||
bpl .1
|
||||
rts ran out of space for devices, exit.
|
||||
* empty slot found
|
||||
.3 lda idxl+1
|
||||
pha
|
||||
phx
|
||||
phy
|
||||
tya which slot is empty?
|
||||
lsr shift into slot#
|
||||
and #$07 now 1-7
|
||||
ora #$C0 now $C1-$C7
|
||||
sta idxl+1
|
||||
jsr H29EB smartport interface in this slot?
|
||||
ply
|
||||
plx
|
||||
pla
|
||||
sta idxl+1
|
||||
bcc .2 yes, can't use to mirror the device.
|
||||
jsr lc1in write enable LC ram bank 1.
|
||||
tya divide index by 2
|
||||
lsr
|
||||
tax
|
||||
lda statunit
|
||||
sta spunit-1,x store the smartport unit #
|
||||
lda spvect+1 and entry address.
|
||||
sta spvectlo-1,x
|
||||
lda spvect+2
|
||||
sta spvecthi-1,x
|
||||
lda RROMBNK2 write protect lc ram.
|
||||
inc GP.numdevs
|
||||
ldx GP.numdevs
|
||||
tya
|
||||
lsr
|
||||
cmp #$08
|
||||
bcc nodev2 drive 2 mount
|
||||
sbc #$08
|
||||
ora #$08
|
||||
nodev2 asl
|
||||
asl
|
||||
asl
|
||||
asl
|
||||
ora devid include device attributes
|
||||
sta devlist,x in the active device list.
|
||||
lda #remap_sp
|
||||
sta drivertbl1,y device driver table 1
|
||||
lda /remap_sp
|
||||
sta drivertbl1+1,y
|
||||
bra H296E
|
||||
|
||||
H29EB jsr cmpid is it a disk controller?
|
||||
bcs .9 no, so return.
|
||||
sec assume no smartport
|
||||
ldy #$07
|
||||
lda (idxl),y is it a smartport?
|
||||
bne .9 if not.
|
||||
clc smartport found
|
||||
.9 rts
|
||||
*--------------------------------------
|
||||
LDR.PrintA ldy LDR.Print.CX
|
||||
and #$7F
|
||||
cmp #$60
|
||||
|
|
@ -974,9 +958,9 @@ LDR.MLIRB.P .DA #3
|
|||
.DA 0 2 byte block number
|
||||
.FIN
|
||||
|
||||
spcparms .DA #$03 # of parms
|
||||
statunit .DA #$00 unit number (code for smartport stat)
|
||||
.DA numdev2
|
||||
LDR.SPStatus.P .DA #$03 # of parms
|
||||
LDR.SPStatus.U .DA #$00 unit number (code for smartport stat)
|
||||
.DA LDR.SPStatus.Buf
|
||||
.DA #00 status code (0 = general status)
|
||||
|
||||
driveridx .DA #$06
|
||||
|
|
@ -994,10 +978,12 @@ driveridx .DA #$06
|
|||
.DA #$08
|
||||
*--------------------------------------
|
||||
LDR.Print.CX .BS 1
|
||||
|
||||
numdev2 .BS 8 8 bytes for smartport call
|
||||
driveradr .DA 0
|
||||
|
||||
*--------------------------------------
|
||||
LDR.SPStatus.Buf .BS 8 8 bytes for smartport call
|
||||
driveradr .BS 2
|
||||
LDR.SlotIdx .BS 1
|
||||
LDR.DevCnt .BS 7
|
||||
LDR.DevType .BS 7
|
||||
LDR.cortland .DA #0 cortland loader flag (1 = Cortland)
|
||||
LDR.BootFlag .DA #0 0 = normal boot, <>0 = return
|
||||
*--------------------------------------
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user