--- uae/src/filesys.asm	2018/04/24 16:47:17	1.1.1.2
+++ uae/src/filesys.asm	2018/04/24 17:21:39	1.1.1.5
@@ -1,10 +1,27 @@
-	SECTION code
+	SECTION code,code
 ; This file can be translated with A68k or PhxAss and then linked with BLink
 ; to produce an Amiga executable. Make sure it does not contain any
 ; relocations, then run it through the filesys.sh script
 ;
 ; Patrick: It also works with SAS/C asm+slink, but I had to remove
 ; the .l from jsr.l and jmp.l.
+; Toni Wilen: modified SECTION, compiles now with AsmOne and clones(?)
+; Removed absolute RT_AREA references
+; 2002.08.06 RDB automount/autoboot support (Toni Wilen)
+; 2002.09.11 KS1.3 RDB support (TW)
+; 2006.18.07 FileSystem.resource find routine access fault fixed (TW)
+
+AllocMem = -198
+FreeMem = -210
+
+; don't forget filesys.c! */
+PP_MAXSIZE = 4 * 96
+PP_FSSIZE = 400
+PP_FSPTR = 404
+PP_FSRES = 408
+PP_EXPLIB = 412
+PP_FSHDSTART = 416
+PP_TOTAL = (PP_FSHDSTART+140)
 
 	dc.l 16
 our_seglist:
@@ -15,6 +32,9 @@ start:
 	dc.l filesys_init-start
 	dc.l exter_server-start
 	dc.l bootcode-start
+	dc.l setup_exter-start
+	dc.l 0 ; /* p96vsyncfix */
+	dc.l mousehack_x-start
 
 bootcode:
 	lea.l doslibname(pc),a1
@@ -27,50 +47,64 @@ bootcode:
 
 filesys_init:
 	movem.l d0-d7/a0-a6,-(sp)
-	move.l 4.w,a6
-	move.l $F0FFFC,a5 ; filesys base
+	move.l 4,a6
+	move.w #$FFFC,d0 ; filesys base
+	bsr getrtbase
+	move.l (a0),a5
 	lea.l explibname(pc),a1 ; expansion lib name
-	moveq.l #36,d0
-	moveq.l #0,d5
+	moveq #36,d0
+	moveq #0,d5
 	jsr  -552(a6) ; OpenLibrary
 	tst.l d0
 	bne.b FSIN_explibok
 	lea.l explibname(pc),a1 ; expansion lib name
-	moveq.l #0,d0
-	moveq.l #1,d5
+	moveq #0,d0
+	moveq #1,d5
 	jsr  -552(a6) ; OpenLibrary
 FSIN_explibok:
 	move.l d0,a4
-	moveq.l #88,d0
-	moveq.l #1,d1 ; MEMF_PUBLIC
-	jsr -198(a6) ; AllocMem
+	move.l #PP_TOTAL,d0
+	moveq #1,d1 ; MEMF_PUBLIC
+	jsr AllocMem(a6)
 	move.l d0,a3  ; param packet
 
-	moveq.l #84,d7 ; initialize it
+	move.l #PP_TOTAL,d7 ; initialize it
+	subq.l #4,d7
 FSIN_loop:
 	move.l 0(a5,d7.l),0(a3,d7.l)
 	subq.l #4,d7
 	bcc.b FSIN_loop
+	move.l a4,PP_EXPLIB(a3)
 
-	moveq.l #0,d6
+	moveq #0,d6
 FSIN_init_units:
 	cmp.l  $10c(a5),d6
 	bcc.b FSIN_units_ok
+	move.l d6,-(sp)
+FSIN_nextsub:
+	moveq #1,d7
+	move.l a3,-(sp)
 	move.l a3,a0
-	movem.l d6/a3,-(sp)
-	move.l  #1,d7
-	bsr.w   make_dev
-	movem.l (sp)+,d6/a3
-	addq.l #$1,d6
+	bsr.w make_dev
+	move.l (sp)+,a3
+	cmp.l #-2,d3
+	beq.b FSIN_nomoresub
+	swap d6
+	addq.w #1,d6
+	swap d6
+	bra.b FSIN_nextsub
+FSIN_nomoresub:
+	move.l (sp)+,d6
+	addq.w #1,d6
 	bra.b  FSIN_init_units
 
 FSIN_units_ok:
-	move.l 4.w,a6
+	move.l 4,a6
 	move.l a4,a1
 	jsr -414(a6) ; CloseLibrary
-	bsr.w setup_exter
-	move.l 4.w,a6
-	jsr $F0FF80
+	move.w #$FF80,d0
+	bsr.w getrtbase
+	jsr (a0)
 	moveq.l #3,d1
 	moveq.l #-10,d2
 	move.l #$200000,a0
@@ -88,42 +122,65 @@ general_ret:
 exter_data:
 exter_server:
 	movem.l a2,-(sp)
+	move.w #$FF50,d0
+	bsr.w getrtbase
 	moveq.l #0,d0
-	jsr $F0FF50
+	jsr (a0)
 	tst.l d0
 	beq.b exter_server_exit
 	; This is the hard part - we have to send some messages.
-	move.l 4.w,a6
+	move.l 4,a6
 EXTS_loop:
+	move.w #$FF50,d0
+	bsr.w getrtbase
 	moveq.l #2,d0
-	jsr $F0FF50
-	cmp.l #1,d0
+	jsr (a0)
+	cmp.w #1,d0
 	blt.b EXTS_done
 	bgt.b EXTS_signal_reply
 	jsr -366(a6) ; PutMsg
 	bra.b EXTS_loop
 EXTS_signal_reply:
-        cmp.l #2,d0
+        cmp.w #2,d0
         bgt.b EXTS_reply
 	move.l d1,d0
 	jsr -$144(a6)	; Signal
 	bra.b EXTS_loop
 EXTS_reply:
-        jsr -$17a(a6)   ; ReplyMsg
-        bra.b EXTS_loop
+	cmp.w #3,d0
+	bgt.b EXTS_cause
+	jsr -$17a(a6)   ; ReplyMsg
+	bra.b EXTS_loop
+EXTS_cause:
+	cmp.w #4,d0
+	bgt.b EXTS_jump
+	jsr -$b4(a6)	; Cause
+	bra.b EXTS_loop
+EXTS_jump:
+	movem.l a2/a5,-(sp)
+	move.l a1,a2 ;CDXL structure
+	move.l 20(a2),a1
+	move.l 24(a2),a5
+	move.l a2,-(sp)
+	jsr (a5)	; cd.device CD_READXL callback
+	move.l (sp)+,d2
+	clr.l 24(a2)  ; ugly sync-hack
+	movem.l (sp)+,a2/a5
 EXTS_done:
+	move.w #$FF50,d0
+	bsr.w getrtbase
 	moveq.l #4,d0
-	jsr $F0FF50
+	jsr (a0)	
 	moveq.l #1,d0 ; clear Z - it was for us.
 exter_server_exit:
 	movem.l (sp)+,a2
 	rts
 
 setup_exter:
-	move.l 4.w,a6
+		; 	bsr.w mousehack_init
 	moveq.l #26,d0
 	move.l #$10001,d1
-	jsr -198(a6) ; AllocMem
+	jsr AllocMem(a6)
 	move.l d0,a1
 	lea.l exter_name(pc),a0
 	move.l a0,10(a1)
@@ -131,54 +188,314 @@ setup_exter:
 	move.l a0,14(a1)
 	lea.l exter_server(pc),a0
 	move.l a0,18(a1)
+	move.b #200,9(a1)
+	move.b #2,8(a1)
 	moveq.l #13,d0
 	jmp -168(a6) ; AddIntServer
 
-make_dev: ; IN: A0 param_packet, D6: unit_no, D7: boot, A4: expansionbase
-	move.l $F0FFFC,a5 ; filesys base
+addfs: ; a0 = first hunk, a1 = parmpacket
+	movem.l d0-d1/a0-a3/a6,-(sp)
+	move.l 4,a6
+	move.l a0,a2
+	move.l a1,a3
+	move.l #62+128,d0 ; sizeof(FileSysEntry) + patchflags;
+	move.l #$10001,d1
+	jsr -198(a6)
+	move.l d0,a0
+	moveq #0,d0
+	lea PP_FSHDSTART(a3),a1
+af1	move.b 0(a1,d0.w),14(a0,d0.w)
+	addq.w #1,d0
+	cmp.w #140,d0
+	bne.s af1
+	move.l a2,d0
+	lsr.l #2,d0
+	move.l d0,54(a0) ;seglist
+	move.l a0,a1
+	lea exter_name(pc),a0
+	move.l a0,10(a1) ; name
+	move.l PP_FSRES(a3),a0 ; FileSystem.resource
+	lea 18(a0),a0 ; fsr_FileSysEntries
+	jsr -$f0(a6) ;AddHead
+	movem.l (sp)+,d0-d1/a0-a3/a6
+	rts
 
-	jsr $F0FF28 ; fill in unit-dependent info, return 1 if hardfile.
+relocate: ;a0=pointer to executable, returns first segment in A0
+	movem.l d1-d7/a1-a6,-(sp)
+	move.l 4,a6
+	move.l a0,a2
+	cmp.l #$3f3,(a2)+
+	bne.w ree
+	addq.l #8,a2 ; skip name end and skip total hunks + 1
+	move.l 4(a2),d7 ; last hunk
+	sub.l (a2),d7 ; first hunk
+	addq.l #8,a2 ; skip hunk to load first and hunk to load last
+	addq.l #1,d7
+	move.l a2,a3
+	move.l d7,d0
+	add.l d0,d0
+	add.l d0,d0
+	add.l d0,a3
+	move.l a2,a4
+
+	; allocate hunks
+	sub.l a5,a5 ;prev segment
+	moveq #0,d6
+r15	move.l (a2),d2 ; hunk size (header)
+	lsl.l #2,d2
+	moveq #1,d1
+	btst #30,d3 ; chip mem?
+	beq.s r2
+	bset #1,d1
+r2	bset #16,d1
+	bclr #31,d3
+	bclr #30,d3
+	move.l d2,d0
+	bne.s r17
+	clr.l (a2)+ ; empty hunk
+	bra.s r18
+r17	addq.l #8,d0 ; size + pointer to next hunk + hunk size
+	jsr AllocMem(a6)
+	tst.l d0
+	beq.w ree
+	move.l d0,a0
+	move.l d2,(a0)+ ; store size
+	move.l a0,(a2)+ ; store new pointer
+	move.l a5,d1
+	beq.s r10
+	move.l a0,d0
+	lsr.l #2,d0
+	move.l d0,(a5)
+r10	move.l a0,a5
+r18	addq.l #1,d6
+	cmp.l d6,d7
+	bne.s r15
+
+	moveq #0,d6
+r3	move.l d6,d1
+	add.l d1,d1
+	add.l d1,d1
+	move.l 0(a4,d1.l),a0
+	addq.l #4,a0
+	move.l (a3)+,d3 ; hunk type
+	move.l (a3)+,d4 ; hunk size
+	lsl.l #2,d4
+	cmp.l #$3e9,d3 ;code
+	beq.s r4
+	cmp.l #$3ea,d3 ;data
+	bne.s r5
+r4
+	; code and data
+	move.l d4,d0
+r6	tst.l d0
+	beq.s r7
+	move.b (a3)+,(a0)+
+	subq.l #1,d0
+	bra.s r6
+r5
+	cmp.l #$3eb,d3 ;bss
+	bne.s ree
+
+r7 ; scan for reloc32 or hunk_end
+	move.l (a3)+,d3
+	cmp.l #$3ec,d3 ;reloc32
+	bne.s r13
+
+	; relocate
+	move.l d6,d1
+	add.l d1,d1
+	add.l d1,d1
+	move.l 0(a4,d1.l),a0 ; current hunk
+	addq.l #4,a0
+r11	move.l (a3)+,d0 ;number of relocs
+	beq.s r7
+	move.l (a3)+,d1 ;hunk
+	add.l d1,d1
+	add.l d1,d1
+	move.l 0(a4,d1.l),d3 ;hunk start address
+	addq.l #4,d3
+r9	move.l (a3)+,d2 ;offset
+	add.l d3,0(a0,d2.l)
+	subq.l #1,d0
+	bne.s r9
+	bra.s r11
+r13
+	cmp.l #$3f2,d3 ;end
+	bne.s ree
+	
+	addq.l #1,d6
+	cmp.l d6,d7
+	bne.w r3
+	
+	moveq #1,d7
+	move.l (a4),a0
+r0	move.l d7,d0
+	movem.l (sp)+,d1-d7/a1-a6
+	rts
+ree	move.w #30000,d0
+re1	move.w #$f00,$dff180
+	move.w #$00f,$dff180
+	move.w #$0f0,$dff180
+	dbf d0,re1
+	moveq #0,d7
+	bra.s r0
+
+fsres
+	movem.l d1/a0-a2/a6,-(sp)
+	move.l 4,a6
+	lea $150(a6),a0 ;ResourceList
+	move.l (a0),a0 ;lh_Head
+fsres3
+	tst.l (a0) ;end of list?
+	beq.s fsres1
+	move.l 10(a0),a1 ;name
+	lea fsresname(pc),a2
+fsres5
+	move.b (a1)+,d0
+	move.b (a2)+,d1
+	cmp.b d1,d0
+	bne.s fsres2
+	tst.b d0
+	beq.s fsres4
+	bra.s fsres5
+fsres2
+	move.l (a0),a0
+	bra.s fsres3
+	; FileSystem.resource does not exist -> create it
+fsres1
+	moveq #32,d0 ; sizeof(FileSysResource)
+	move.l #$10001,d1
+	jsr AllocMem(a6)
+	move.l d0,a2
+	move.b #8,8(a2) ; NT_RESOURCE
+	lea fsresname(pc),a0
+	move.l a0,10(a2) ; node name
+	lea exter_name(pc),a0
+	move.l a0,14(a2) ; fsr_Creator
+	lea 18(a2),a0
+	move.l a0,(a0) ; NewList() fsr_FileSysEntries
+	addq.l #4,(a0)
+	move.l a0,8(a0)
+	lea $150(a6),a0 ; ResourceList
+	move.l a2,a1
+	jsr -$f6(a6) ; AddTail
+	move.l a2,a0
+fsres4
+	move.l a0,d0
+	movem.l (sp)+,d1/a0-a2/a6
+	rts
+	
+make_dev: ; IN: A0 param_packet, D6: unit_no, D7: boot, A4: expansionbase
+	bsr.w fsres
+	move.l d0,PP_FSRES(a0) ; pointer to FileSystem.resource
+	move.l a0,-(sp)
+	move.w #$FFFC,d0 ; filesys base
+	bsr.w getrtbase
+	move.l (a0),a5
+	move.w #$FF28,d0 ; fill in unit-dependent info (filesys_dev_storeinfo)
+	bsr.w getrtbase
+	move.l a0,a1
+	move.l (sp)+,a0
+	clr.l PP_FSSIZE(a0) ; filesystem size
+	clr.l PP_FSPTR(a0) ; filesystem memory
+	jsr (a1)
+	; ret:0=virtual,1=hardfile,2=rdbhardfile,-1=hardfile-donotmount,-2=no more subunits
 	move.l d0,d3
+	cmp.l #-2,d3
+	beq.w general_ret
+	cmp.l #2,d3
+	beq.b MKDV_mountalways
 
 	; Don't init hardfiles if < V36
 	and.l d5,d0
-	bne.w general_ret
+	beq.b MKDV_mountalways
+	tst.l PP_FSSIZE(a0)
+	beq.w general_ret ; no filesystem -> don't mount
+
+MKDV_mountalways:
+	; allocate memory for loaded filesystem
+	move.l PP_FSSIZE(a0),d0
+	beq.b MKDV_nordbfs1
+	move.l a0,-(sp)
+	moveq #1,d1
+	move.l 4,a6
+	jsr  AllocMem(a6)
+	move.l (sp)+,a0
+	move.l d0,PP_FSPTR(a0)
+
+MKDV_nordbfs1:
+	; if negative, do not mount but we might need to load possible
+	; custom filesystem(s)
+	tst.l d3
+	bmi.s MKDV_devremember
 
 	move.l a4,a6
+	move.l a0,-(sp)
 	jsr -144(a6) ; MakeDosNode()
+	move.l (sp)+,a0		;  parmpacket
 	move.l d0,a3 ; devicenode
-	jsr $F0FF20 ; record in ui.startup
-	moveq.l #0,d0
+	moveq #0,d0
 	move.l d0,8(a3)          ; dn_Task
 	move.l d0,16(a3)         ; dn_Handler
 	move.l d0,32(a3)         ; dn_SegList
 
+MKDV_devremember:
+	move.l a0,a1
+	move.w #$FF20,d0 ; record in ui.startup (filesys_dev_remember)
+	bsr.w getrtbase
+	jsr (a0)
+
+	tst.l PP_FSPTR(a1)	; filesystem?
+	beq.b MKDV_nordbfs2
+	move.l PP_FSPTR(a1),a0
+	move.l d3,-(sp)
+	bsr.w relocate
+	move.l (sp)+,d3
+	movem.l d0/a0-a1,-(sp)
+	move.l PP_FSSIZE(a1),d0
+	move.l PP_FSPTR(a1),a1
+	move.l 4,a6
+	jsr FreeMem(a6)
+	movem.l (sp)+,d0/a0-a1
+	tst.l d0
+	beq.b MKDV_nordbfs2
+	bsr.w addfs
+
+MKDV_nordbfs2:
+	tst.l d3
+	bmi.w general_ret
+
+	move.w #$FF18,d0 ;	update dn_SegList if needed (filesys_dev_bootfilesys)
+	bsr.w getrtbase
+	jsr (a0)
+
+	move.b 79(a1),d4 ; bootpri 
 	tst.l d3
 	bne.b MKDV_doboot
 
-MKDV_is_filesys:
 	move.l #4000,20(a3)     ; dn_StackSize
 	lea.l our_seglist(pc),a1
 	move.l a1,d0
 	lsr.l  #2,d0
 	move.l d0,32(a3)        ; dn_SegList
-	move.l #-1,36(a3)       ; dn_GlobalVec
+	moveq #-1,d0
+	move.l d0,36(a3)       ; dn_GlobalVec
 
 MKDV_doboot:
 	tst.l d7
 	beq.b MKDV_noboot
 
-	move.l 4.w,a6
+	move.l 4,a6
 	moveq.l #20,d0
 	moveq.l #0,d1
-	jsr  -198(a6) ; AllocMem
+	jsr  AllocMem(a6)
 	move.l d0,a1 ; bootnode
 	moveq.l #0,d0
 	move.l d0,(a1)
 	move.l d0,4(a1)
 	move.w d0,14(a1)
-	move.w #$10FF,d0
-	sub.b  d6,d0
+	move.w #$1000,d0
+	or.b d4,d0
 	move.w d0,8(a1)
 	move.l $104(a5),10(a1) ; filesys_configdev
 	move.l a3,16(a1)        ; devicenode
@@ -187,14 +504,14 @@ MKDV_doboot:
 
 MKDV_noboot:
 	move.l a3,a0
-	moveq.l #0,d1
+	moveq #0,d1
 	move.l d1,a1
-	moveq.l #-1,d0
+	moveq #-1,d0
 	move.l a4,a6 ; expansion base
 	jmp  -150(a6) ; AddDosNode
 
 filesys_mainloop:
-	move.l 4.w,a6
+	move.l 4,a6
 	moveq.l #0,d0
 	move.l d0,a1
 	jsr -294(a6) ; FindTask
@@ -213,9 +530,10 @@ filesys_mainloop:
 	; 8: second thread's lock chain
 	; 12: dummy message
 	; 32: the volume (80+44+1 bytes)
-	move.l #80+44+1+20+12,d0
+	; 157: mousehack started-flag
+	move.l #80+44+1+20+12+1,d0
 	move.l #$10001,d1 ; MEMF_PUBLIC | MEMF_CLEAR
-	jsr -198(a6) ; AllocMem
+	jsr AllocMem(a6)
 	move.l d0,a3
 	moveq.l #0,d6
 	move.l d6,(a3)
@@ -231,9 +549,11 @@ filesys_mainloop:
 	jsr -372(a6) ; GetMsg
 	move.l d0,a4
 	move.l 10(a4),d3 ; ln_Name
+	move.w #$FF40,d0
+	bsr.w getrtbase
 	moveq.l #0,d0
-	jsr $F0FF40
-	bra.b FSML_Reply
+	jsr (a0)
+	bra.w FSML_Reply
 
 	; We abuse some of the fields of the message we get. Offset 0 is
 	; used for chaining unprocessed commands, and offset 1 is used for
@@ -253,8 +573,10 @@ FSML_loop:
 	bne.b FSML_FromDOS
 
 	; It's a dummy packet indicating that some queued command finished.
+	move.w #$FF50,d0
+	bsr.w getrtbase
 	moveq.l #1,d0
-	jsr $F0FF50
+	jsr (a0)
 	; Go through the queue and reply all those that finished.
 	lea.l 4(a3),a2
 	move.l (a2),a0
@@ -292,7 +614,9 @@ FSML_FromDOS:
 
 FSML_DoCommand:
 	bsr.b LockCheck  ; Make sure there are enough locks for the C code to grab.
-	jsr $F0FF30
+	move.w #$FF30,d0
+	bsr.w getrtbase
+	jsr (a0)
 	tst.l d0
 	beq.b FSML_Reply
 	; The command did not complete yet. Enqueue it and increase number of
@@ -307,7 +631,7 @@ FSML_Enqueue:
 FSML_Reply:
 	move.l d3,a4
 	bsr.b ReplyOne
-	bra.b FSML_loop
+	bra.w FSML_loop
 
 ReplyOne:
 	move.l (a4),a1  ; dp_Link
@@ -339,7 +663,7 @@ LKCK_ListEnd:
 	move.l d7,a2
 	moveq.l #24,d0 ; sizeof Lock is 20, 4 for chain
 	moveq.l #1,d1 ; MEMF_PUBLIC
-	jsr -198(a6) ; AllocMem
+	jsr AllocMem(a6)
 	addq.w #1,d6
 	move.l d0,a2
 	move.l d7,(a2)
@@ -370,7 +694,269 @@ LKCK_ret:
 	move.l (a7)+,d5
 	rts
 
+getrtbase:
+	lea start-8-4(pc),a0
+	and.l #$FFFF,d0
+	add.l d0,a0
+	rts
+
+; mouse hack
+
+newlist:
+	move.l a0,(a0)
+	addq.l #4,(a0)
+	clr.l 4(a0)
+	move.l a0,8(a0)
+	rts
+
+createport:
+	movem.l d2/a2/a6,-(sp)
+	move.l 4,a6
+	moveq #-1,d0
+	jsr -$014a(a6) ;AllocSignal
+	sub.l a0,a0
+	move.l d0,d2
+	bmi.s cp_f
+	moveq #34,d0
+	move.l #65536+1,d1
+	jsr AllocMem(a6)
+	sub.l a0,a0
+	move.l d0,a2
+	tst.l d0
+	beq.s cp_f
+	move.b #4,8(a2) ;NT_MSGPORT
+	move.b d2,15(a2)
+	sub.l a1,a1
+	jsr -$0126(a6) ;FindTask
+	move.l d0,16(a2)
+	lea 20(a2),a0
+	bsr.w newlist
+	move.l a2,a0
+cp_f:	move.l a0,d0
+	movem.l (sp)+,d2/a2/a6
+	rts
+
+createio:
+	movem.l d2/a2/a6,-(sp)
+	move.l 4,a6
+	tst.l d0
+	beq.s cio_f
+	move.l d0,a2
+	moveq #48,d2
+	move.l d2,d0
+	move.l #65536+1,d1
+	jsr AllocMem(a6)
+	move.l d0,a0
+	move.b #10,8(a0) ;NT_MESSAGE
+	move.l d2,18(a0)
+	move.l a2,14(a0)
+cio_f:	movem.l (sp)+,d2/a2/a6
+	rts
+
+createtask:
+	movem.l d2/d3/a2/a3/a6,-(sp)
+	move.l 4,a6
+	move.l a0,d2
+	move.l a1,d3
+	move.l #92+2048,d0
+	move.l #65536+1,d1
+	jsr AllocMem(a6)
+	tst.l d0
+	beq.b ct_f
+	move.l d0,a2
+	move.b #1,8(a2) ;NT_TASK
+	move.l d2,10(a2)
+	lea 92(a2),a3
+	move.l a3,58(a2)
+	lea 2048(a3),a3
+	move.l a3,62(a2)
+	move.l a3,54(a2)
+	move.l a2,a1
+	move.l d3,a2
+	sub.l a3,a3
+	jsr -$011a(a6) ;AddTask
+ct_f:	movem.l (sp)+,d2/d3/a2/a3/a6
+	rts
+
+mousehack_e: dc.w 0
+mousehack_x: dc.w 0
+mousehack_y: dc.w 0
+
+MH_INT = 0
+MH_FOO = (MH_INT+22)
+MH_IEV = (MH_FOO+16)
+MH_IO = (MH_IEV+22)
+MH_TM = (MH_IO+4)
+MH_END = (MH_TM+4)
+
+mousehack_init:
+	move.l a0,-(sp)
+	lea mhname(pc),a0
+	lea mousehack_task(pc),a1
+	bsr createtask
+	move.l (sp)+,a0
+	rts
+
+mousehack_task:
+	move.l 4,a6
+
+	moveq #-1,d0
+	jsr -$014a(a6) ;AllocSignal
+	moveq #0,d2
+	bset d0,d2
+
+	sub.l a1,a1
+	jsr -$0126(a6) ;FindTask
+	move.l d0,a4
+	
+	moveq #20,d0
+	move.l a4,a1
+	jsr -$012c(a6) ;SetTaskPri
+
+	moveq #0,d0
+	move.w #MH_END,d0
+	move.l #65536+1,d1
+	jsr AllocMem(a6)
+	move.l d0,a5
+
+	bsr.w createport
+	bsr.w createio
+	move.l d0,MH_IO(a5)
+	beq mht_f
+
+	bsr.w createport
+	bsr.w createio
+	move.l d0,MH_TM(a5)
+	beq mht_f
+
+	lea MH_FOO(a5),a3
+	move.l a4,12(a3);task
+	move.l d2,8(a3) ;sigmask
+	moveq #-1,d0
+	move.l d0,(a3)	;mx
+	move.l d0,4(a3)	;my
+
+	lea MH_INT(a5),a1
+	move.b #2,8(a1) ;NT_INTERRUPT
+	move.b #5,9(a1) ;priority
+	lea mhname(pc),a0
+	move.l a0,10(a1)
+	lea mousehackint(pc),a0
+	move.l a0,18(a1)
+	move.l a3,14(a1)
+	moveq #5,d0 ;INTB_VERTB
+	jsr -$00a8(a6)
+	moveq #0,d7
+	moveq #0,d6
+	bra.s mhloop
+mht_f:	rts
+
+mhloop
+	move.l d2,d0
+	jsr -$013e(a6) ;Wait
+
+	;  Since we're starting up early in the boot process,
+	;  it's not guaranteed that intuition or the devices are
+	;  available yet.
+	tst.l d7
+	bne.b mh_gotintuition
+
+	moveq #0,d0
+	lea intlibname(pc),a1
+	jsr -$0228(a6)
+	move.l d0,d7
+	beq.b mhloop
+
+mh_gotintuition:
+	btst #1,d6
+	bne.b mh_gotinput
+	move.l MH_IO(a5),a1
+	lea inp_dev(pc),a0
+	moveq #0,d0
+	moveq #0,d1
+	jsr -$01bc(a6) ;OpenDevice
+	tst.l d0
+	bne mhloop
+	bset #1,d6
+
+mh_gotinput:
+	btst #2,d6
+	bne.b mh_gottimer
+	move.l MH_TM(a5),a1
+	lea tim_dev(pc),a0
+	moveq #0,d0
+	moveq #0,d1
+	jsr -$01bc(a6) ;OpenDevice	
+	tst.l d0
+	bne mhloop
+	bset #2,d6
+
+mh_gottimer:
+	move.l MH_IO(a5),a1
+	lea MH_IEV(a5),a2
+	move.w #11,28(a1) ;IND_WRITEEVENT
+	move.l #22,36(a1) ;sizeof(struct InputEvent)
+	move.l a2,40(a1)
+	move.b #1,30(a1) ;IOF_QUICK
+
+	move.b #4,4(a2) ;IECLASS_POINTERPOS
+	clr.b 5(a2) ;ie_SubClass
+	clr.w 6(a2) ;ie_Code
+	clr.w 8(a2) ;ie_Qualifier
+
+	move.l d7,a0 ;intbase
+
+	move.l MH_FOO+0(a5),d0
+	move.w 34+14(a0),d1
+	add.w d1,d1
+	sub.w d1,d0
+	move.w d0,10(a2)
+
+	move.l MH_FOO+4(a5),d0
+	move.w 34+12(a0),d1
+	add.w d1,d1
+	sub.w d1,d0
+	ext.l d0
+	move.w d0,12(a2)
+
+	move.l MH_TM(a5),a1
+	move.w #10,28(a1) ;TR_GETSYSTIME
+	move.b #1,30(a1) ;IOF_QUICK
+	jsr -$01c8(a6) ;DoIO
+	move.l MH_TM(a5),a1
+	move.l 32(a1),14(a2)
+	move.l 36(a1),18(a2)
+
+	move.l MH_IO(a5),a1
+	jsr -$01c8(a6) ;DoIO
+	
+	bra.w mhloop
+
+mousehackint:
+	move.w mousehack_x(pc),d0
+	ext.l d0
+	move.w mousehack_y(pc),d1
+	ext.l d1
+	cmp.l (a1),d0
+	bne .l1
+	cmp.l 4(a1),d1
+	beq .l2
+.l1 move.l d1,4(a1)
+	move.l d0,(a1)
+	move.l 8(a1),d0
+	move.l 12(a1),a1
+	move.l 4,a6
+	jsr -$0144(a6) ; Signal
+.l2 lea $dff000,a0
+	moveq #0,d0
+	rts
+
+inp_dev: dc.b 'input.device',0
+tim_dev: dc.b 'timer.device',0
+mhname: dc.b 'UAE mouse hack',0
 exter_name: dc.b 'UAE filesystem',0
 doslibname: dc.b 'dos.library',0
+intlibname: dc.b 'intuition.library',0
 explibname: dc.b 'expansion.library',0
+fsresname: dc.b 'FileSystem.resource',0
 	END