diff --git a/.Floppies/A2OSX.BUILD.po b/.Floppies/A2OSX.BUILD.po
index 1cdb2ee2..002d085c 100644
Binary files a/.Floppies/A2OSX.BUILD.po and b/.Floppies/A2OSX.BUILD.po differ
diff --git a/.Floppies/A2OSX.TEST.po b/.Floppies/A2OSX.TEST.po
index e6107591..d6424a2b 100644
Binary files a/.Floppies/A2OSX.TEST.po and b/.Floppies/A2OSX.TEST.po differ
diff --git a/ProDOS.FX/ProDOS.S.LDR.txt b/ProDOS.FX/ProDOS.S.LDR.txt
index c563d4c5..40c049a1 100644
--- a/ProDOS.FX/ProDOS.S.LDR.txt
+++ b/ProDOS.FX/ProDOS.S.LDR.txt
@@ -21,8 +21,7 @@ LDR.MSG.IIgs	.AT "IIgs"
 LDR.MSG.Unknown	.AT "Unknown"
 LDR.MSG.CLK		.AT "Clk"
 LDR.MSG.RAM		.AT "/RAM"
-LDR.MSG.ROOTERR	.AS -"Unable To read ROOT dir."
-LDR.MSG.ROOTERR.LEN	.EQ *-LDR.MSG.ROOTERR
+LDR.MSG.ROOTERR	.AT "ERR reading CATALOG"
 *--------------------------------------
 p16start 		inc LDR.BootFlag		set = 2 for GQuit rts
 atalkset 		inc LDR.BootFlag		set = 1 for appletalk rts
@@ -87,8 +86,7 @@ prostart 		lda unitnum
 				lda auxsp
 				bne LDR.UNSUPP.HW		NO 128k
 
-LDR.CheckROM	stz cortland
-				ldx #LDR.MSG.IIE
+LDR.CheckROM	ldx #LDR.MSG.IIE
 				lda #MACHID.T.IIe+MACHID.M.128+MACHID.COL80
 				
 				ldy $FBB3	  			check hardware id
@@ -126,15 +124,15 @@ LDR.CheckROM	stz cortland
 				jsr $FE1F				//gs ????
 				bcs m128k				no.....
 				
-				inc cortland
+				inc LDR.cortland
 				ldx #LDR.MSG.IIGS
 				lda #MACHID.T.IIe+MACHID.M.128+MACHID.COL80+MACHID.CLK
 				bra m128k
 
 LDR.UNSUPP.HW  	ldx #LDR.MSG.UNSUPP
 				jsr LDR.PrintX
-				bmi *
-
+				bra *
+*--------------------------------------
 m128k  			sta idapple				Save MACHID in temp location
 
 				sta SETALTCHAR
@@ -248,23 +246,21 @@ LDR.IRQ			lda RROMWRAMBNK2
 				lda idapple
 				sta MACHID
 
-				lda cortland
+				lda LDR.cortland
 				beq LDR.II				branch if // family
-
-LDR.IIGS		
-
-*				lda RROMWRAMBNK2
-
-*				stz vmode				force setvid to reset cursor
-*				jsr setvid	   			reset output to screen
+*--------------------------------------
+LDR.IIGS		sta cortflag
 
 				lda #calldisp
 				sta cortdisp
 				lda /calldisp
 				sta cortdisp+1
-				lda #1
-				sta cortflag
 				
+*				lda RROMWRAMBNK2
+
+*				stz vmode				force setvid to reset cursor
+*				jsr setvid	   			reset output to screen
+
 *				jsr lc1in				set language card bank 1 to r/w
 
 				lda #'C'
@@ -286,135 +282,32 @@ LDR.IIGS
 				ldx PAKME.SEL2
 				ldy PAKME.SEL2+1
 				jsr LDR.SetupQC
-				
+*--------------------------------------
 				lda LDR.BootFlag
 				bne .1					branch if prodos 8 alone
 
 * running from gs/os shell so zero out os_boot for appletalk
 
-				sta OS_BOOT	   			indicates O/S initially booted.
+				stz OS_BOOT	   			indicates O/S initially booted.
 				jsr patch101	   		patch for gs/os - rev note #101
 
-.1				jmp BLKDEV.Install
+.1				bra LDR.Common
 *--------------------------------------
 LDR.II			ldx PAKME.SEL1
 				ldy PAKME.SEL1+1
 				jsr LDR.SetupQC
-				
-* check for a rom in slot 3. if no rom, use internal $C300 firmware
 
-	 			sta CLRC3ROM
-				lda rommap	   			slot ROM bit map
-				and #$08				mask all but slot 3
-				bne isromin3	   		taken if rom in slot 3
-				bra CLK.Install			else continue booting
-
-* found a rom in slot 3. is it an external, identifiable 80 col card
-* with interrupt routines? if so, enable it else use internal $C300 firmware.
-
-isromin3 		sta SETC3ROM
-				lda $C305	   			check card id bytes
-				cmp #$38
-				bne hitswtch	   		not terminal card
-
-				lda $C307
-				cmp #$18
-				bne hitswtch	
-
-				lda $C30B
-				cmp #$01
-				bne hitswtch
-
-				lda $C30C				is it an apple 80 col compatible card?
-				and #$F0
-				cmp #$80
-				bne hitswtch	   		if not.
-
-				lda $C3FA
-				cmp #$2C	   			does card have an interrupt handler?
-				beq docard	   			yes
-
-hitswtch 		sta CLRC3ROM
-
-* verify that the card in aux slot is actually present
-
-				sta SET80STORE
-				sta SETPAGE2
-				lda #$EE
-				sta txtp2
-				asl
-				asl txtp2
-				cmp txtp2
-				bne .1
-				lsr
-				lsr txtp2
-				cmp txtp2
-
-.1	 			sta CLRPAGE2
-				sta CLR80STORE
-				beq docard	   			branch if card is there
-				
-				lda #MACHID.COL80
-				lda machid	   			machine ID byte
-				trb MACHID	   			clear 80-col bit 2 (no card)
-				bra CLK.Install
-
-docard 			lda #MACHID.COL80
-				tsb MACHID				turn bit 2 on (80-col card is present)
+				jsr	LDR.ClkDevScan
 *--------------------------------------
-CLK.Install		jsr	LDR.ClkDevScan
-*--------------------------------------
-BLKDEV.Install	jsr LDR.BlkDevScan
-*--------------------------------------
-				jsr lc1in
+LDR.Common		jsr LDR.BlkDevScan
 
-				ldx PAKME.RAM
-				ldy PAKME.RAM+1
-
-				stx ZPInBufPtr
-				sty ZPInBufPtr+1
-				lda #$FF00
-				sta ZPOutBufPtr
-				lda /$FF00
-				sta ZPOutBufPtr+1
-				jsr X.Unpak
-
-				sta SETWRITEAUX
-
-				ldx PAKME.RAMX
-				ldy PAKME.RAMX+1
-
-				stx ZPInBufPtr
-				sty ZPInBufPtr+1
-				lda #$0200
-				sta ZPOutBufPtr
-				lda /$0200
-				sta ZPOutBufPtr+1
-				jsr X.Unpak
-
-				sta CLRWRITEAUX
-
-				lda #RAMDRV				put driver address into
-				sta	drivertbl2+6		slot 3, drive 2.
-				lda /RAMDRV
-				sta	drivertbl2+7
-				inc GP.numdevs			count (-1) active devices
-				ldx GP.numdevs
-				lda #$BF				unit num of /RAM
-				sta	devlist,x
-				
-				ldx #LDR.MSG.RAM
-				jsr LDR.PrintX
+				jsr LDR.SetupRAM
 *--------------------------------------
 				lda LDR.BootFlag		get setup entry point flag
 				beq LDR.ReadRoot		taken if normal boot.
 				lda RROMBNK2
 				rts		  				return to caller at setup entry point.
-
-LDR.BootFlag	.DA #$00				0 = normal boot, <>0 = return
-
-* set prefix to boot device
-
+*--------------------------------------
 LDR.ReadRoot	lda LDR.MLIOL.P+1		place boot devnum in globals
 				sta devnum	   			last device used
 
@@ -426,6 +319,7 @@ LDR.ReadRoot	lda LDR.MLIOL.P+1		place boot devnum in globals
 				lda pbuf+1				get volume name length.
 				and #$0F	   			strip devnum
 				beq .9
+
 				inc						add 1 for leading '/'
 				sta pbuf	   			save prefix length.
 				lda #'/'	   			place leading '/' in prefix buffer
@@ -469,64 +363,10 @@ LDR.ReadRoot	lda LDR.MLIOL.P+1		place boot devnum in globals
 				
 .8  			jmp $800				jmp to "load interpreter" code
 
-.9		 		sta RROMBNK2
-				jsr home
-				ldy #LDR.MSG.ROOTERR-1
-
-.91	  			lda LDR.MSG.ROOTERR,y
-				sta vline12+4,y
-				dey
-				bpl .91
-
+.9		 		ldx #LDR.MSG.ROOTERR
+				jsr LDR.PrintX
 				bmi *
 *--------------------------------------
-LDR.PrintA		ldy LDR.Print.CX
-				and #$7F
-				cmp #$60
-				bcs .2
-				and #$3F
-.2				sta $400,y
-				inc LDR.Print.CX
-				rts
-*--------------------------------------
-LDR.PrintX		ldy LDR.Print.CX
-
-.1				lda $2000,x
-				pha
-				and #$7F
-				cmp #$60
-				bcs .2
-				and #$3F
-.2				sta $400,y
-				
-				inx
-				iny
-				pla
-				bpl .1
-				
-*				lda #$20
-*				sta $400,y
-				iny						Add a Space
-				sty LDR.Print.CX
-				rts
-LDR.Print.CX	.HS 00		
-*--------------------------------------
-LDR.MLIOL.P		.DA #2
-				.DA #$60
-				.DA pbuf+1
-
-LDR.MLISETP.P	.DA #1
-				.DA pbuf
-				
-				.DO READCAT=1
-LDR.MLIRB.P		.DA #3
-				.DA #0	  				unit number
-				.DA 0					2 byte data buffer
-				.DA 0		 			2 byte block number
-				.FIN
-
-cortland 		.BS 1					cortland loader flag (1 = Cortland)
-*--------------------------------------
 LDR.SetupQC		bit RRAMWRAMBNK2		read/write RAM bank 2
 				bit RRAMWRAMBNK2
 
@@ -544,7 +384,6 @@ LDR.SetupQC		bit RRAMWRAMBNK2		read/write RAM bank 2
 *--------------------------------------
 DS1216E.DATA1	.EQ $10
 DS1216E.DATA2	.EQ A1L
-DS1216E.SIG		.HS	5CA33AC55CA33AC5	Reverted 7->0
 *--------------------------------------
 LDR.ClkDevScan	php
 				sei
@@ -620,8 +459,8 @@ LDR.ClkDevScan	php
 				lda #'N'
 				ldx PAKME.NCLK
 				ldy PAKME.NCLK+1
-				jmp LDR.SetupCLK
-				
+				bra LDR.SetupCLK
+*--------------------------------------
 LDR.ClkDevTCLK	lda CLRC8ROM	   		switch out $C8 ROMs
 				
 				stz idxl
@@ -674,87 +513,106 @@ LDR.SetupCLK	stx ZPInBufPtr
 LDR.SetupCLK.RTS
 				rts
 *--------------------------------------
-* find all disk devices in system slots and set up address
-* and device table in prodos global page. if there is a disk
-* card in slot 2 then limit the # of devices in slot 5
-* smartport to only 2
+LDR.SetupRAM	jsr lc1in
+
+				ldx PAKME.RAM
+				ldy PAKME.RAM+1
+
+				stx ZPInBufPtr
+				sty ZPInBufPtr+1
+				lda #$FF00
+				sta ZPOutBufPtr
+				lda /$FF00
+				sta ZPOutBufPtr+1
+				jsr X.Unpak
+
+				sta SETWRITEAUX
+
+				ldx PAKME.RAMX
+				ldy PAKME.RAMX+1
+
+				stx ZPInBufPtr
+				sty ZPInBufPtr+1
+				lda #$0200
+				sta ZPOutBufPtr
+				lda /$0200
+				sta ZPOutBufPtr+1
+				jsr X.Unpak
+
+				sta CLRWRITEAUX
+
+				lda #RAMDRV				put driver address into
+				sta	drivertbl2+6		slot 3, drive 2.
+				lda /RAMDRV
+				sta	drivertbl2+7
+
+				inc GP.numdevs			count (-1) active devices
+				ldx GP.numdevs
+				lda #$BF				unit num of /RAM
+				sta	devlist,x
+				
+				ldx #LDR.MSG.RAM
+				jmp LDR.PrintX
 *--------------------------------------
-LDR.BlkDevScan	stz dst
-				stz dst+1
-				stz idxl
-				ldx #$FF				init to no active devices.
-				stx GP.numdevs	 		count (-1) active devices.
-				lda #$0E				start disk // area at end of devlist.
-				sta d2idx
-
-* check slot 2. if there is a disk card then clear the msb of diskins2. this
-* will limit the # of devices in any slot 5 spartport card to 2.
-
-				lda #$C2
-				sta idxl+1				check slot 2
-				jsr cmpid				is there a disk in slot 2 ?
-				ror diskins2			if so, clear msb else set it.
-
+* find all disk devices in system slots and set up address
+* and device table in prodos global page. 
+*--------------------------------------
+LDR.BlkDevScan	stz idxl
 				lda #$C7	  			search slots from high to low
 				sta idxl+1
 
-H26AB  			jsr cmpid
-				bcs H270C				if no ProDOS device in this slot.
+.1	  			jsr cmpid
+				bcs .8					if no ProDOS device in this slot.
+
+				ldy #$ff
 				lda (idxl),y	  		check last byte of $Cn rom (y = $ff)
-				beq diskii	   			branch if 16 sector disk II.
-				cmp #$FF	   			if = $FF then 13 sector disk II.
-				bcs H270C				ignore if 13 sector boot ROM
-				sta driveradr	  		else assume it's an intelligent disk.
-				ldy #$07	   			check for a smartport device.
-				lda (idxl),y
-				bne H26C4				no smartport
-				jmp smartprt
+				bne .2		   			branch if 16 sector disk II.
 
-H26C4  			ldy #$FE
-				lda (idxl),y			get attributes.
-				and #$03	   			verify it provides read and status calls.
-				cmp #$03
-				sec						assume it's an off-brand disk
-				bne H270C
-				jsr setdevid	   		set up the devid byte from attributes
-				clc
-				php		  				remember that it's not a disk //.
-				lsr						move # of units (0=1, 1=2) to carry.
-				lda idxl+1	   			store hi entry addr (low already done)
-				bne H26E6				branch always.
-
-diskii			sta	devid				=0 since disk ii's have null attributes
-				sec
-				php		  				remember it's a disk //
+				sta	devid				=0 since disk ii's have null attributes
 				lda #RWTS
 				sta driveradr
 				lda /RWTS
+				sec						2 devices
+				jsr installdev
+				bra .8
+
+.2				cmp #$FF	   			if = $FF then 13 sector disk II.
+				beq .8					ignore if 13 sector boot ROM
+
+				ldy #$07	   			check for a smartport device.
+				lda (idxl),y
+				bne .2					no smartport
+
+				jsr smartprt
+				bra .8
+
+.2  			ldy #$FE				BLK device...
+				lda (idxl),y			get attributes.
+				and #$03	   			verify it provides read and status calls.
+				cmp #$03
+				bne .7					assume it's an off-brand disk
+				
+				jsr setdevid	   		set up the devid byte from attributes
+				clc
+				php		  				remember that it's not a disk //.
+
+				lsr						move # of units (0=1, 1=2) to carry.
+				lda idxl+1	   			store hi entry addr (low already done)
+				
+				sta driveradr+1
 
-H26E6			sta driveradr+1
 				jsr installdev			install 1 or 2 devices from this slot.
-				plp		  				get back if it's a disk // (carry).
-				bcc nxtdsk2	  			if not disk //.
 
-				dex		  				move the list pointer back by 2 devices
-				dex
-				stx GP.numdevs	  		count (-1) active devices
-				dec d2idx				increase the disk two index
-				dec d2idx
-				ldy d2idx
-				inx		  				adj since device count starts with $FF.
-				lda devlist+1,x			get entries for disk //
-				sta devlist,y	 		move then toward the end of the list
-				lda devlist,x	  
-				sta devlist+1,y	  
-				dex						back to GP.numdevs again
-
-nxtdsk2			clc
-
-H270C  			jsr sltrom				test for ROM in given slot and set flags
-				dec idxl+1				next lower slot.
+.7  			lda idxl+1				mark a bit in slot byte
+				and #$07	   			to indicate rom present.
+				tax
+				lda sltbit,x
+				tsb rommap	   			mark bit to flag rom present
+				
+.8				dec idxl+1				next lower slot.
 				lda idxl+1
 				and #$07	   			have all slots been checked ?
-				bne H26AB				no.
+				bne .1
 
 * perform the new device search, mapping unmounted smartport devices
 * to empty slots in the device table.
@@ -765,10 +623,6 @@ H270C  			jsr sltrom				test for ROM in given slot and set flags
 * start by making the device count include disk //'s
 
 				ldx GP.numdevs			current device count - 1
-				lda #$0E
-				sec
-				sbc d2idx
-				beq H2747				if there were no disk //'s then done.
 
 				clc
 				adc GP.numdevs	  		sum of disk //'s and others.
@@ -782,11 +636,6 @@ H272F  			lda devlist,y
 				sta devlist,y	  
 				pla
 				sta devlist,x	  
-				inx
-				dey
-				sty d2idx				use as a temp
-				cpx d2idx
-				bcc H272F				continue until indexes cross
 
 H2747  			ldy #$00
 				ldx GP.numdevs	  		now change the device order so that
@@ -799,6 +648,7 @@ H274C  			lda devlist,x	  		the boot device will have highest
 				bne H275A
 				pla
 				iny
+				
 H275A  			dex
 				bpl H274C
 
@@ -829,45 +679,22 @@ stadrv 			ora devid				combine with attributes.
 				sta devlist,x
 				asl						now form drive 2 device number, if any.
 				rts
-
-sltrom 			bcc H27F3				branch if disk drive
-
-* test for any other rom
-
-H27E4  			ldx #$00
-				lda (idxl)
-				cmp #$FF	   			apple /// non-slot?
-				beq H2801				invalid rom
-H27EC  			cmp (idxl)				look for floating bus
-				bne H2801				no rom
-				inx
-				bne H27EC
-
-H27F3  			lda idxl+1				mark a bit in slot byte
-				and #$07	   			to indicate rom present.
-				tax
-				lda sltbit,x
-				ora rommap	   			mark bit to flag rom present
-				sta rommap	   			slot ROM bit map
-H2801  			rts
-
-* id bytes: evens for clock, odds for disk
-dskid	 		.HS 082028005803703C
-* slot bits
-sltbit			.HS 0002040810204080
-
+*--------------------------------------
 installdev 		php						how many drives (carry).
 				lda idxl+1	   			get index to global device table
 				and #$07	  			for this slot...
 				asl
 				tay		  				into y reg.
+
 				asl
 				asl						now form device # = slot #
 				asl						in high nibble.
 				jsr stadrv				OR in low nibble, store in dev list.
+
 				plp						restore # of devices in carry.
 				ror						if 2 drives, then bit 7=1.
 				bpl .1					branch if a 1 drive device (e.g. hard drive)
+
 				inx		  				else presume that 2nd drive is present.
 				sta devlist,x	  		active device list.
 
@@ -884,11 +711,11 @@ installdev 		php						how many drives (carry).
 				sta drivertbl2+1,y
 
 .3  			rts
-
+*--------------------------------------
 * query smartport status to determine # of devices
 * and install up to 4 units in table if card is in slot 5
 * otherwise only 2 units. this includes a patch #74
-
+*--------------------------------------
 smartprt 		jsr setdevid			setup the devid byte from attributes
 				lda idxl+1
 				sta driveradr+1
@@ -912,18 +739,13 @@ smartprt 		jsr setdevid			setup the devid byte from attributes
 				lda #$10
 				sta buf+1				dummy pointer should be <> 0
 
-* do a prodos status call patched in from above
-
 pscall			jsr	$0000				self modifying code
 				ldy #$FB	
 				lda (idxl),y			check device id
 				and #$02	   			SCSI?
-				beq .1				no, no need to init Cocoon
+				beq .1					no, no need to init Cocoon
 				sta statunit	   		device = 2 for SCSI
 
-* initialize SCSI Cocoon to build internal device tables
-* and report true # of devices attached
-
 				jsr spvect				status of Cocoon
 				.HS 00
 				.DA spcparms	 		ignore any errors.
@@ -941,13 +763,6 @@ pscall			jsr	$0000				self modifying code
 				cmp #$C5
 				bne donesp				if not slot 5
 
-* for slot 5, if there is a disk card in slot 2
-* then only install 2 devices otherwise map
-* extra devices as slot 2
-
-				bit diskins2			disk in slot 2 ?
-				bpl donesp	   			yes - so done
-
 				lda numdev2
 				cmp #$03				carry set if 3,4,...
 				bcc donesp
@@ -959,8 +774,8 @@ pscall			jsr	$0000				self modifying code
 
 				lda #$C5
 				sta idxl+1
-donesp			jmp nxtdsk2				it's a disk device.
-
+donesp			rts
+*--------------------------------------
 setdevid 		ldy #$FE				check attributes byte.
 
 				lda (idxl),y
@@ -970,48 +785,27 @@ setdevid 		ldy #$FE				check attributes byte.
 				lsr
 				sta devid
 				rts
-
-* check unknown card to see if disk id = $Cn00:nn 20 nn 00 nn 03
-
+*--------------------------------------
 cmpid  			lda CLRC8ROM	   		switch out $C8 ROMs
+
 				ldy #$05
+
 .1  			lda (idxl),y	   		compare id bytes
 				cmp dskid,y
 				sec		  				set if no disk card
 				bne .2
+
 				dey
 				dey
-				bpl .1				loop until all 4 id bytes match.
+				bpl .1					loop until all 4 id bytes match.
+
 				clc						clear if disk card
 .2  			rts
-
-* smartport call parameters
-
-spcparms		.DA #$03				# of parms
-statunit		.DA #$00				unit number (code for smartport stat)
-				.DA numdev2
-				.DA #00	 				status code (0 = general status)
-
-* indexes into driver table
-
-driveridx   	.DA #$06
-				.DA #$1E
-				.DA #$0E
-				.DA #$1C
-				.DA #$0C
-				.DA #$1A
-				.DA #$0A
-				.DA #$14
-				.DA #$04
-				.DA #$12
-				.DA #$02
-				.DA #$18
-				.DA #$08
-
+*--------------------------------------
 * self modifying jmp = smartport entry address
-
+*--------------------------------------
 spvect 			jmp	$0000				self modifying
-
+*--------------------------------------
 newmount 		stz idxl
 				lda #$C7				start with slot 7 ($C700)
 				sta idxl+1
@@ -1040,15 +834,6 @@ H291F  			jsr H29EB				is there a smartport device here?
 				inc						add 1 for comparisons.
 				sta driveradr	  		# of devices + 1.
 
-				lda #$03	   			start at unit #3 (non-slot 5)
-
-				ldx spvect+2
-				cpx #$C5	   			is this slot 5?
-				bne H295B				no, start at 3.
-				bit diskins2	   		disk controller in slot 2?
-				bpl H295B				yes, so allow remapping of s5 devices
-				lda #$05	   			else start looking at unit #5
-
 * find block devices on this smartport
 
 H295B  			cmp driveradr	  		have we done all units in this slot?
@@ -1070,7 +855,7 @@ H2974  			dec idxl+1
 				cmp #$C0				searched down to slot 0?
 				bne H291F				if not.
 				rts
-
+*--------------------------------------
 mount  			ldx #$0C
 
 .1  			ldy driveridx,x
@@ -1138,11 +923,83 @@ H29EB  			jsr cmpid				is it a disk controller?
 				bne .9					if not.
 				clc						smartport found
 .9  			rts
+*--------------------------------------
+LDR.PrintA		ldy LDR.Print.CX
+				and #$7F
+				cmp #$60
+				bcs .2
+				and #$3F
+.2				sta $400,y
+				inc LDR.Print.CX
+				rts
+*--------------------------------------
+LDR.PrintX		ldy LDR.Print.CX
 
-numdev2			.HS 0000000000000000	8 bytes for smartport call
+.1				lda $2000,x
+				pha
+				and #$7F
+				cmp #$60
+				bcs .2
+				and #$3F
+.2				sta $400,y
+				
+				inx
+				iny
+				pla
+				bpl .1
+				
+*				lda #$20
+*				sta $400,y
+				iny						Add a Space
+				sty LDR.Print.CX
+				rts
+*--------------------------------------
+DS1216E.SIG		.HS	5CA33AC55CA33AC5	Reverted 7->0
+*--------------------------------------
+* id bytes: evens for clock, odds for disk
+dskid	 		.HS 082028005803703C
+sltbit			.HS 0002040810204080
+*--------------------------------------
+LDR.MLIOL.P		.DA #2
+				.DA #$60
+				.DA pbuf+1
+
+LDR.MLISETP.P	.DA #1
+				.DA pbuf
+				
+				.DO READCAT=1
+LDR.MLIRB.P		.DA #3
+				.DA #0	  				unit number
+				.DA 0					2 byte data buffer
+				.DA 0		 			2 byte block number
+				.FIN
+
+spcparms		.DA #$03				# of parms
+statunit		.DA #$00				unit number (code for smartport stat)
+				.DA numdev2
+				.DA #00	 				status code (0 = general status)
+
+driveridx   	.DA #$06
+				.DA #$1E
+				.DA #$0E
+				.DA #$1C
+				.DA #$0C
+				.DA #$1A
+				.DA #$0A
+				.DA #$14
+				.DA #$04
+				.DA #$12
+				.DA #$02
+				.DA #$18
+				.DA #$08
+*--------------------------------------
+LDR.Print.CX	.BS 1
+
+numdev2			.BS 8					8 bytes for smartport call
 driveradr		.DA	0
-d2idx  			.DA #0
-diskins2 		.DA #0					msb clear if drive in slot 2
+
+LDR.cortland 	.DA #0					cortland loader flag (1 = Cortland)
+LDR.BootFlag	.DA #0					0 = normal boot, <>0 = return
 *--------------------------------------
 * 16 bytes moved to $03F0 vectors
 *--------------------------------------
diff --git a/ProDOS.FX/ProDOS.S.XDOS.B.txt b/ProDOS.FX/ProDOS.S.XDOS.B.txt
index b4241e0b..1c585452 100644
--- a/ProDOS.FX/ProDOS.S.XDOS.B.txt
+++ b/ProDOS.FX/ProDOS.S.XDOS.B.txt
@@ -169,26 +169,35 @@ cmvauxid 		iny						move auxillary identification bytes
 				lda d_stor				storage type.
 				and #$E0			 	is it a directory?
 				beq cralcblk			branch if seed file.
+
 				ldx #$1E			 	move header to data block
+
 cmvheadr 		lda d_stor,x
 				sta gbuf+4,x
 				dex
 				bpl cmvheadr
+
 				eor #$30
 				sta gbuf+4				make it a directory header mark.
+
 				ldx #$07			 	overwrite password area and other
+
 cmvpass			lda pass,x				header info.
 				sta gbuf+20,x
+
 				lda xdosver,x
 				sta gbuf+32,x
 				dex
 				bpl cmvpass
+
 				ldx #$02				and include info about parent directory
 				stx d_eof+1
+
 cmvparnt 		lda d_entblk,x
 				sta gbuf+39,x
 				dex
 				bpl cmvparnt
+
 				lda h_entln				lastly, the length of parent's
 				sta gbuf+42				directory entries.
 cralcblk 		jsr alc1blk				get address of file's data block