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Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
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;
; File: CrsrDev.a
;
; Contains: This file holds the new cursor device implementation, including new mouse
; /trackball handler and the new acceleration routines for jCrsrTask.
;
; Written by: Gary Rensberger (based on Dan Venolia's Cursory API) [11/20/91]
;
; Copyright: <09> 1991-1993 by Apple Computer, Inc. All rights reserved.
;
; Change History (most recent first):
;
; <SM7> 5/28/93 IH Add comment about Display Mgr usage of CrsrNew.
; <SM6> 12/01/92 HY Fix a bug with uncoupled cursors(fixes MS Flight Simulator v4.0).
; Fixed a cursor flicker problem on slower machines like LC930. The
; cursor is drawn prior to calculating new positions of devices. The
; calculations were using up all the available VBL time, causing the
; flicker (cursor is drawn every other VBL, and calculations performed
; every other VBL).
; <SM5> 8/26/92 kc Roll in Horror changes.
; <H18> 7/24/92 GMR Fixed comaptibility problem with Hypercard/MacPaint Grid drawing
; mode (Atkinsons MouseMask secret).
; <H17> 7/17/92 GMR Changed the double-click translation table to match the Mouse
; CDEVs double-click times.
; <H16> 7/14/92 GMR Reset MBState to button up in CrsrDevReInit code.
; <H15> 7/13/92 djw <GED> Added code in InitCrsrDev to initialize vectors for:
; DrawCursor, EraseCursor, the @drawCursor section of the new VBL,
; and a hook for SetCrsrData. Also added default vector code for
; the above.
; <H14> 7/13/92 GMR Re-arranged the initialization routine so that our expandmem
; globals are created before InitADB, then InitADB is called.
; Update MBTicks when a button goes down, since Andy looks at it
; (shame on you!).
; <H13> 7/6/92 GMR Update doubleTime lowmem when creating a new device.
; <H12> 6/29/92 BG Changed AERROR message in the overpatching check at the bottom
; of the file to refer to the correct file being too big (you're
; welcome, Steve).
; <H11> 6/26/92 GMR <SKH> Modified CrsrDevHandleADB to handle extended device data,
; ie: more than 2 buttons and up to 16bit resolution. Changed
; CrsrNewDevice to properly init cntButtons (it was moving a word
; into cntButtons). Changed CrsrDevSetAccel to enter the debugger
; if no 'accl' resources do not exist.
; <H10> 6/10/92 GMR Fixed bug with buttonCount not being reset after waking up from
; sleep.
; <H9> 6/5/92 GMR Changed the movem's in the trap selector dispatcher to be
; movem.l.
; <H8> 6/1/92 GMR Removed the extra 'default' device created for address 3, since
; testers complained. Now, if a second mouse (or 1st mouse on
; portables) is added while the machine is running, it's
; acceleration won't be correct. Tough shit).
; <H7> 5/12/92 JC Fixed problem with CrsrDevHandleVBL trashing registers.
; <H6> 4/3/92 SWC Added overpatch padding at the end of the file.
; <H5> 3/11/92 SWC <GMR> Setup so second trackball button will behave just like the first
; one. Exported CrsrDevDispatch now that we have a trap for it.
; <H4> 3/9/92 SWC <GMR> Fixed bug in CrsrDevSetAccel where the acceleration to set
; <SM4> 7/30/92 fau Made the MOVEM instructions in CrsrDevDispatch and StdExit be a
; MOVEM.L. This fixes a bug in the Mouse cdev in Cyclone where
; the MOVEM was assembled to a MOVEM.W which sign-extends to 32
; bits when writing back to a register!.
; <SM3> 7/7/92 CSS Change name of include from ApplDeskBusPriv.a to
; AppleDeskBusPriv.a to bring in line with Reality.
; The file "ApplDeskBusPriv.a" was inadvertently
; brought in from Horror.
; <SM2> 5/29/92 KW (JC,H7) Fixed problem with CrsrDevHandleVBL trashing registers.
; <SM1> 5/2/92 kc Roll in Horror. Comments follow:
; <H6> 4/3/92 SWC Added overpatch padding at the end of the file.
; <H5> 3/11/92 SWC Setup so second trackball button will behave just like the first
; one. Exported CrsrDevDispatch now that we have a trap for it.
; <H4> 3/9/92 SWC GMR/Fixed bug in CrsrDevSetAccel where the acceleration to set
; is 0. Added more compatiblity code to jCrsrTask so the VU test
; tool will work. Setup address 3 to be a default device with 100
; dpi resolution, so if a user unplugs then plugs in a mouse, it
; will work.
; <H3> 2/17/92 SWC Used different registers in FindResource since the _GetResource
; call can trash D0-D2. Changed references to CrsrDevRec.resolution
; to a long since it's a fixed point number.
; <H2> 2/14/92 SWC Added a RomMapInsert before all resource calls so we make sure
; we at least find our resources in the ROM.
; <H1> 2/12/92 GMR First checked in.
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PRINT OFF
LOAD 'StandardEqu.d'
INCLUDE 'EgretEqu.a'
INCLUDE 'IOPEqu.a'
INCLUDE 'AppleDeskBusPriv.a'
INCLUDE 'CrsrDevEqu.a'
PRINT ON
MACHINE MC68020
_FixDiv OPWORD $A84D
CrsrDev PROC
EXPORT InitCrsrDev,CrsrDevDispatch
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IMPORT CrsrVBLTask,vDrawCursor,vEraseCursor
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WITH CrsrDevGlobals, CrsrDevRec, CrsrDevSegment, CrsrDataRec
WITH ADBDeviceEntry, ADBVars, ExpandMemRec
_______________________________________________________________________
;
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; Routine: CrsrDevDispatch 82b0 (trap # $AADB)
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;
; Inputs: d0.w - selector
; 4(sp) - last parameter
; 8(sp) - 2nd to last parameter
;
; Outputs: d0 - result code
;
; Destroys: a0
;
; Function: This routine is our selector based dispatcher for the exported
; CrsrDev routines. It follows toolbox conventions (e.g. parameters
; are passed in on the stack, with the function selector in D0).
;_______________________________________________________________________
CrsrDevDispatch
link a6,#0 ; parameters referenced off a6
movem.l a1-a3/d1-d3,-(sp) ; save a bunch of registers
add.w d0,d0 ; (shift so we work on 68000's)
lea @jmpTable,a0 ; point to our jump table
adda.w (a0,d0.w),a0 ; add offset to routine
jmp (a0) ; jump to selected routine
;-------------------------------
@jmpTable dc.w CrsrDevMoveTrap- @jmpTable ; Selector 0
dc.w CrsrDevMoveToTrap- @jmpTable ; 1
dc.w CrsrDevFlushTrap- @jmpTable ; 2
dc.w CrsrDevButtonsTrap- @jmpTable ; 3
dc.w CrsrDevButtonDownTrap- @jmpTable ; 4
dc.w CrsrDevButtonUpTrap- @jmpTable ; 5
dc.w CrsrDevButtonOpTrap- @jmpTable ; 6
dc.w CrsrDevSetButtonsTrap- @jmpTable ; 7
dc.w CrsrDevSetAccelTrap- @jmpTable ; 8
dc.w CrsrDevDoubleTimeTrap- @jmpTable ; 9
dc.w CrsrDevSetUnitsPerInchTrap- @jmpTable ; 10
dc.w CrsrDevNextDeviceTrap- @jmpTable ; 11
dc.w CrsrDevNewDeviceTrap- @jmpTable ; 12
dc.w CrsrDevDisposeDevTrap- @jmpTable ; 13
;-------------------------------
stdExit movem.l (sp)+,a1-a3/d1-d3 ; restore registers
unlk a6
move.l (sp)+,a0
add.w d0,sp ; dump parameters
jmp (a0)
userFrame RECORD 0,increment
saveA6 ds.l 1
returnAddr ds.l 1
paramBase equ * ; ptr to base of parameters
ENDR
WITH userFrame
;====================================================================
;
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; Routine: CrsrDevMoveTrap 82ec
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;
; Inputs: 8(a6).l - delta Y
; 12(a6).l - delta X
; 16(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: d1-d2,a1-a2
;
; Function: This routine accumulates given deltas for crsrDev, and
; flags that is has new data. The next time the cursor position
; is computed, dh and dv will be run through the acceleration
; algorithm and will contribute to the cursor movement.
;====================================================================
CrsrDevMoveTrap
move.l paramBase(a6),d1 ; <20>y in d1
move.l paramBase+4(a6),d0 ; <20>x in d0
move.l paramBase+8(a6),a2 ; crsrDevRec in a2
bsr CrsrDevMove ; accumulate the deltas
move.w d0,paramBase+12(a6) ; result code
moveq #12,d0 ; dump three parameters on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevMoveToTrap 8306
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;
; Inputs: 8(a6).l - V
; 12(a6).l - H
; 16(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: d1,a1-a2
;
; Function: This routine transforms the coordinates (h,v) to screen
; space so that the next time the cursor position is computed
; it jumps to that point and any relative movement will be ignored.
;====================================================================
CrsrDevMoveToTrap
move.l paramBase+8(a6),a2 ; crsrDevRec in a2
move.l whichCursor(a2),a1 ; a1 pts to cursor globals
moveq #0,d0
move.l paramBase(a6),d0 ; get V coord
swap d0 ; convert to fixed
move.l d0,whereY(a1) ; = whereY
moveq #0,d0
move.l paramBase+4(a6),d0 ; get H coord
swap d0 ; convert to fixed
move.l d0,whereX(a1) ; = whereX
st.b isAbs(a1) ; absolute mode
clr.w paramBase+12(a6) ; result code
moveq #12,d0 ; dump three parameters on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevFlushTrap 8334
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;
; Inputs: 8(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a2
;
; Function: This routine explicitly ends the relative device move,
; flushing out the error accumulators.
;====================================================================
CrsrDevFlushTrap
move.l paramBase(a6),a2 ; crsrDevRec in a2
move.l errorX(a2),d0 ; accumulate previous errors into
add.l d0,deltaX(a2) ; our deltas
move.l errorY(a2),d0
add.l d0,deltaY(a2)
clr.l errorX(a2) ; then flush the errors
clr.l errorY(a2)
move.w #-108,denom(a2) ; ???
clr.w paramBase+4(a6) ; result code
moveq #4,d0 ; dump one parameter on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevButtonsTrap 8360
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;
; Inputs: 8(a6).w - new button states (1 = down, 0 = up)
; 10(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a0-a2,d1-d3
;
; Function: This routine handles button debounce and event posting. If the
; mouse button bounces, we don't want it to look like a double click,
; so if we see a mouse down less than 2 VBLs after a mouse up, we will
; ignore it, and consider the mouse to still be up. We will never
; ignore a mouse up event, which could lead to menus hanging and
; continuous scrolling.
;====================================================================
CrsrDevButtonsTrap
move.w paramBase(a6),d0 ; button states in d0
move.l paramBase+2(a6),a2 ; crsrDevRec in a2
bsr CrsrDevButtons ; handle button debounce/actions
move.w d0,paramBase+6(a6) ; result code
moveq #6,d0 ; dump two parameters on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevButtonDownTrap 8376
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;
; Inputs: 8(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a0-a2,d1
;
; Function: Posts a button down event if this is the 1st button to go down
;====================================================================
CrsrDevButtonDownTrap
move.l paramBase(a6),a2 ; crsrDevRec in a2
bsr CrsrDevButtonDown ; handle button down actions
move.w d0,paramBase+4(a6) ; result code
moveq #4,d0 ; dump one parameter on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevButtonUpTrap 8388
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;
; Inputs: 8(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a0-a2,d1
;
; Function: Posts a button up event if this is the last button to go up.
;====================================================================
CrsrDevButtonUpTrap
move.l paramBase(a6),a2 ; crsrDevRec in a2
bsr CrsrDevButtonUp ; handle button up actions
move.w d0,paramBase+4(a6) ; result code
moveq #4,d0 ; dump one parameter on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevButtonOpTrap 839a
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;
; Inputs: 8(a6).l - Operation specific data
; 12(a6).w - Operation code
; 14(a6).w - Button #
; 16(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a2,d1-d2
;
; Function: This routine sets a new operation to be associated with the
; given button. The optional data field is set as well.
;====================================================================
CrsrDevButtonOpTrap
move.w paramBase+6(a6),d0 ; button # in d0
move.l paramBase+8(a6),a2 ; crsrDevRec in a2
move.b paramBase+5(a6),buttonOp(a2,d0.w) ; stuff the new operation code
lsl.w #2,d0
move.l paramBase(a6),buttonData(a2,d0.w) ; and the new data (if any)
clr.w paramBase+12(a6) ; result code
moveq #12,d0 ; dump four parameters on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevSetButtonsTrap 83ba
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;
; Inputs: 8(a6).w - # buttons for this device
; 10(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a2
;
; Function: This routine sets the total # of buttons for the given
; device.
;====================================================================
CrsrDevSetButtonsTrap
move.l paramBase+2(a6),a2 ; crsrDevRec in a2
move.b paramBase+1(a6),cntButtons(a2) ; only use a byte of the word
clr.w paramBase+6(a6) ; result code
moveq #6,d0 ; dump two parameters on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevSetAccelTrap 83ce
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;
; Inputs: 8(a6).l - acceleration (Fixed)
; 12(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a2,d1-d2
;
; Function: This routine installs the proper acceleration table for
; the specified device, based on the passed in acceleration
; value.
;====================================================================
CrsrDevSetAccelTrap
move.l paramBase(a6),d0 ; acceleration
move.l paramBase+4(a6),a2 ; crsrDevRec in a2
bsr CrsrDevSetAccel ; generate acceleration table
move.w d0,paramBase+8(a6) ; result code
moveq #8,d0 ; dump two parameters on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevDoubleTimeTrap 83e4
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;
; Inputs: 8(a6).l - duration (ticks)
; 12(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a2
;
; Function: This routine changes the double-click time for crsrDev to
; the indicated value. When crsrDev is clicked, it's double-
; click time is stuffed into the low-memory global DoubleTime.
; An application responding to the mouse-down event can check
; DoubleTime to determine whether to interpret a double-click.
;====================================================================
CrsrDevDoubleTimeTrap
move.l paramBase+4(a6),a2 ; crsrDevRec in a2
move.l paramBase(a6),doubleClickTime(a2) ; stuff the new value
move.w #0,paramBase+8(a6) ; result code
moveq #8,d0 ; dump two parameters on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevSetUnitsPerInchTrap 83f8
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;
; Inputs: 8(a6).l - resolution (fixed)
; 12(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a2
;
; Function: May be called if the software knows more about the resolution
; of the device than can be found from the ADB bus, e.g. for a
; serial device. Calls CrsrDevSetAcceleration (with the current
; accel value) to recompute the acceleration tables for the device,
; so the resource file that contains the 'accl' resource should be
; open.
;====================================================================
CrsrDevSetUnitsPerInchTrap
move.l paramBase+4(a6),a2 ; crsrDevRec in a2
move.l paramBase(a6),resolution(a2) ; set new resolution for this device
move.l acceleration(a2),d0 ; get current acceleration
bsr CrsrDevSetAccel ; generate acceleration table, based on new resolution
move.w #0,paramBase+8(a6) ; result code
moveq #8,d0 ; dump two parameters on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevNextDeviceTrap 8414
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;
; Inputs: 8(a6).l - VAR ptr to CrsrDevRec
;
; Outputs: d0 - OSErr
;
; Destroys: none
;
; Function: When given NIL, returns the head of the global device list.
; When given a pointer to a cursor device reocrd, returns a
; pointer to the next one in the global device list.
;====================================================================
CrsrDevNextDeviceTrap
move.l paramBase(a6),a2 ; address of crsrDevRec ptr in a2
move.l (a2),a2 ; crsrDevRec ptr in a2
move.l a2,d0
beq.s @nil ; if NIL, special case
move.l nextCrsrDev(a2),a2 ; else, get next link
bra.s @exit
@nil movea.l ExpandMem,a2 ; get ptr to expandmem rec
movea.l emCursorGlobals(a2),a2 ; get cursory global ptr
move.l firstCrsrDev(a2),a2 ; get ptr to 1st CrsrDevRec
@exit move.l paramBase(a6),a0 ; get address of where to store crsrDevRec
move.l a2,(a0) ; return next crsrDevRec
move.w #0,paramBase+4(a6) ; result code
moveq #4,d0 ; dump one parameter on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevNewDeviceTrap 843c
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;
; Inputs: 8(a6).l - VAR pointer to CrsrDevRec
;
; Outputs: d0 - OSErr
;
; Destroys: none
;
; Function: This routine creates a new CrsrDevRec, adds it to the
; linked list of device records, and initializes it's fields.
; Note: the caller must call CrsrDevSetAcceleration after
; calling this routine.
;====================================================================
CrsrDevNewDeviceTrap
bsr CrsrDevNewDevice ; create a new cursor device
move.l paramBase(a6),a0 ; address of crsrDevRec ptr in a2
move.l a2,(a0) ; return crsrDevRec pointer
move.w d0,paramBase+4(a6) ; result code
moveq #4,d0 ; dump one parameter on exit
jmp stdExit ;
;====================================================================
;
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; Routine: CrsrDevDisposeDevTrap 8450
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;
; Inputs: 8(a6).l - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: d1-d2,a0-a1
;
; Function: This routine eliminates CrsrDevRec from the linked list
; of device records, and disposes of all storage related to
; it.
;====================================================================
CrsrDevDisposeDevTrap
move.l paramBase(a6),a2 ; crsrDevRec in a2
bsr CrsrDevDisposeDev ; create a new cursor device
move.w d0,paramBase+4(a6) ; result code
moveq #4,d0 ; dump one parameter on exit
jmp stdExit ;
ENDWITH
;_______________________________________________________________________
;
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; Routine: CrsrDevHandleADB 8462
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;
; Inputs: a0 - pointer to mouse data
; a2 - pointer to CrsrDevRec for this device
; d0 - command byte
;
; Outputs: -
;
; Destroys: a0-a3/d0-d3
;
; Function: This routine is installed as the ADB service routine for all
; ADDR=03 relative devices. It decodes the ADB packet and
; passes the information to CrsrDevMove and CrsrDevButtons.
; This routine now handles old or new style packets.
;
; The packet has the following format:
; Byte# bits: 7 6 5 4 3 2 1 0
; 0 b0 y6 y5 y4 y3 y2 y1 y0
; 1 b1 x6 x5 x4 x3 x2 x1 x0
; 2 b2 y9 y8 y7 b3 x9 x8 x7 (optional) <H11>
; 3 b4 y12 y11 y10 b5 x12 x11 x10 (optional) <H11>
; 4 b6 y15 y14 y13 b7 x15 x14 x13 (optional) <H11>
;
; Where bn is button n (1 = not pressed, 0 = pressed)
; xn is bit n of the x delta information
; yn is bit n of the y delta information
;
; NOTE: The current approach for extracting the extended
; resolution information is kinda ugly. However, it is
; fast and I have been unable to construct an efficent, general,
; function for extracting the awkward 3bit fields in bytes 2 through
; n (currently n is 4). - SKH
;
;_______________________________________________________________________
CrsrDevHandleADB
move.b d0,d2 ; save command in D2.
move.l a2,d0 ; do we have globals?
beq @exit ; no, exit
lea 1(a0),a3 ; skip over length byte, free up A0
@x0to6 moveq.l #$7F,d0 ; prepare to mask button off
and.b 1(a3),d0 ; get 2nd data byte (<28> horiz)
@y0to6 moveq.l #$7F,d1 ; prepare to mask off button
and.b (a3),d1 ; get 1st data byte (<28> vert)
@byte3 cmp.b #3,(a0) ; check to see if we have 3rd byte <H11>
bge.s @x7to9 ; if so, process it. else, extend sign <H11>
@byte3extx btst #6,d0 ; check sign bit (bit 6) <H11>
beq.s @byte3exty ; <H11>
or.w #$ff80,d0 ; fake a negative, faster than ext <H11>
@byte3exty btst #6,d1 ; check sign bit (bit 6) <H11>
beq @domove ; <H11>
or.w #$ff80,d1 ; fake a negative for y <H11>
bra.s @domove ; <H11>
@x7to9 moveq.l #$7,d2 ; move mask into workspace <H11>
and.b 2(a3),d2 ; get x bits 7-9 <H11>
lsl.w #7,d2 ; move them to add to running tally <H11>
or.w d2,d0 ; <H11>
@y7to9 moveq.l #$70,d2 ; mask the bits <H11>
and.b 2(a3),d2 ; get y bits 7-9 <H11>
lsl.w #3,d2 ; move and add to tally <H11>
or.w d2,d1 ; <H11>
@byte4 cmp.b #4,(a0) ; check to see if we have a 4th byte <H11>
bge.s @x10to12 ; <H11>
@byte4extx btst #9,d0 ; check sign bit (bit 9) <H11>
beq.s @byte4exty ; <H11>
or.w #$fc00,d0 ; fake a negative for x <H11>
@byte4exty btst #9,d1 ; check sign bit (bit 9) <H11>
beq.s @domove ; <H11>
or.w #$fc00,d1 ; fake a negative for y <H11>
bra.s @domove ; <H11>
@x10to12 moveq.l #$7,d2 ; move mask into workspace <H11>
and.b 3(a3),d2 ; get x bits 10-12 <H11>
lsl.w #8,d2 ; move them to add to running tally <H11>
lsl.w #2,d2 ; do a 10 bit shift <H11>
or.w d2,d0 ; <H11>
@y10to12 moveq.l #$70,d2 ; mask the bits <H11>
and.b 3(a3),d2 ; get y bits 10-12 <H11>
lsl.w #6,d2 ; move and add to tally <H11>
or.w d2,d1 ; <H11>
@byte5 cmp.b #5,(a0) ; check to see if we have a 5th byte <H11>
bge.s @x13to15 ; <H11>
@byte5extx btst #12,d0 ; check sign bit (bit 12) <H11>
beq.s @byte5exty ; <H11>
or.w #$e000,d0 ; fake a negative for x <H11>
@byte5exty btst #12,d1 ; check sign bit (bit 12) <H11>
beq.s @domove ; <H11>
or.w #$e000,d1 ; fake a negative for y <H11>
bra.s @domove ;
@x13to15 moveq.l #$7,d2 ; move mask into workspace <H11>
and.b 4(a3),d2 ; get x bits 13-15 <H11>
lsl.w #8,d2 ; move them to add to running tally <H11>
lsl.w #5,d2 ; do a 13 bit shift <H11>
or.w d2,d0 ; <H11>
@y13to15 moveq.l #$70,d2 ; mask the bits <H11>
and.b 4(a3),d2 ; get y bits 13-15 <H11>
lsl.w #8,d2 ; move and add to tally <H11>
lsl.w #1,d2 ; do a 9 bit shift <H11>
or.w d2,d1 ; <H11>
@domove ext.l d0 ; convert our words into longs
ext.l d1 ;
bsr.s CrsrDevMove ; accumulate movement
clr.l d0 ; assume all buttons up <H11>
@btn0 clr.l d1 ; start looking at button 0 <H11>
btst.b #7,(a3)+ ; is 1st button up? <H11>
bne.s @btn1 ; yes, check 2nd button <H11>
bset d1,d0 ; no, indicate button down <H11>
@btn1 addq.b #1,d1 ; go to the next button (button 1) <H11>
btst.b #7,(a3)+ ; is 2nd button up? <H11>
bne.s @btnn ; yes, handle all button states <H11>
bset d1,d0 ; no, indicate button down <H11>
@btnn
addq.b #1,d1 ; go to the next button <H11>
cmp.b cntButtons(a2),d1 ; compare current button number to num buttons <H11>
bge.s @setBtns ; set the buttons if we are done <H11>
btst.b #7,(a3) ; check the button for the high nibble <H11>
bne.s @btnn_high ; not pressed, check high nibble <H11>
bset d1,d0 ; record the press <H11>
@btnn_high addq.b #1,d1 ; other button in low nibble <H11>
btst.b #3,(a3)+ ; the button for this nibble <H11>
bne.s @btnn ; loop again <H11>
bset d1,d0 ; record the press <H11>
bra.s @btnn ; <H11>
@setBtns bsr CrsrDevButtons ; handle our buttons
@exit
rts
;_______________________________________________________________________
;
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; Routine: CrsrDevMove 854e
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;
; Inputs: d0.l - delta X
; d1.l - delta Y
; a2 - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a0-a1,d0-d2
;
; Function: This routine accumulates given deltas for crsrDev, and
; flags that is has new data. The next time the cursor position
; is computed, dh and dv will be run through the acceleration
; algorithm and will contribute to the cursor movement.
;_______________________________________________________________________
tempParams RECORD 0,decrement
tempY ds.l 1 ; delta Y
tempX ds.l 1 ; delta X
tempSize EQU * ; size of our param block
ENDR
CrsrDevMove
WITH tempParams
link a6,#tempSize ; create temp area
tst.l d0 ; and X movement?
bne.s @cont ; yes, continue
tst.l d1 ; and Y movement?
beq @exit ; no, just exit
@cont move.l d0,tempX(a6) ; save delta X
move.l d1,tempY(a6) ; save delta Y
swap d0 ; word2Fix
clr.w d0
move.l d0,-(sp) ; convert delta X to Fixed (push on stack)
swap d1 ; word2Fix
clr.w d1
move.l d1,-(sp) ; convert delta Y to Fixed (push on stack)
tst.b newData(a2) ; was the previous poll after last VBL?
bne.s @accum ; yes, handle separately
move.l (sp)+,deltaY(a2) ; else, save it away
move.l (sp)+,deltaX(a2) ;
st.b newData(a2) ; indicate we have new data
bra.s @checkDir ; and see if direction changed
@accum move.l (sp)+,d0
add.l d0,errorY(a2) ; accumulate error y
move.l (sp)+,d0
add.l d0,errorX(a2) ; accumulate error x
move.w spread(a2),d0 ; adjust the length of the double-sample time
sub.w denom(a2),d0 ; this spread = old spread - denom
cmpi.w #30,d0
bge.s @spread ; skip if new spread >= 30
add.w d0,spread(a2) ; if new spread < 30 then
addq.w #1,spread(a2)
lsr.w spread(a2) ; spread := (spread + old spread + 1) / 2
@spread moveq #8,d0 ; else, spread out error over next several VBL's
move.w spread(a2),denom(a2)
cmp.w denom(a2),d0 ; clip demon to 0-8
bge.s @checkDir ;
move.w d0,denom(a2)
@checkDir move.l tempY(a6),d0 ; any dy?
beq.s @chkXchg ; no, check X
move.l errorY(a2),d1
eor.l d1,d0 ; yes, did it's direction change?
bpl.s @chkXchg ; no, check X
add.l d1,deltaY(a2) ; direction changed, adjust delta
clr.l errorY(a2) ; and stomp the error
@chkXchg move.l tempX(a6),d0 ; any dx?
beq.s @exit ; no, exit
move.l errorX(a2),d1
eor.l d1,d0 ; yes, did it's direction change?
bpl.s @exit ; no, exit
add.l d1,deltaX(a2) ; direction changed, adjust delta
clr.l errorX(a2) ; and stomp the error
@exit unlk a6
moveq #0,d0 ; result code
rts
ENDWITH
;_______________________________________________________________________
;
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; Routine: CrsrDevButtons 85ee
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;
; Inputs: d0.b - new button states (1 = down, 0 = up)
; a2 - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a0-a1,d1-d3
;
; Function: This routine handles button debounce and event posting. If the
; mouse button bounces, we don't want it to look like a double click, so if we
; see a mouse down less than 2 VBLs after a mouse up, we will ignore it, and
; consider the mouse to still be up. We will never ignore a mouse up event,
; which could lead to menus hanging and continuous scrolling.
;_______________________________________________________________________
CrsrDevButtons
move.b d0,d1 ; get current button(s) state in d1
moveq #8-1,d3 ; init our button counter...
@loop btst.l d3,d1 ; check next current button state
beq.s @nowUp ; branch if up
@nowDwn btst.b d3,buttons(a2) ; down now, was it down before?
bne.s @nextButton ; yes, do nothing, handle next button
move.l Ticks,d0
move.w d3,d2 ;
lsl.w #2,d2 ;
sub.l buttonTicks(a2,d2.w),d0 ;
add.l d0,RndSeed ; randomize our seed
subq.l #2,d0
bmi.s @nextButton ; exit if went down too quickly (bounce)
bset.b d3,buttons(a2) ; mark that we're really down...
bra.s @dispatch ; and handle the down event
@nowUp btst.b d3,buttons(a2) ; was it up before?
beq.s @nextButton ; yes, do nothing, handle next button
move.w d3,d2 ;
lsl.w #2,d2 ;
move.l Ticks,buttonTicks(a2,d2.w) ; time-stamp the button-up event
bclr.b d3,buttons(a2) ; mark that we're up
* bra.s @dispatch ; and handle the down event
@dispatch move.b buttonOp(a2,d3.w),d0 ; get the button operation in d0
ext.w d0
add.w d0,d0 ; button op * 2 (need to run on 68000)
lea @jmpTable,a0
adda.w (a0,d0.w),a0 ; base + offset = rtn address
jsr (a0) ; handle button (d3 = button#, a2 = CrsrDevRec)
; <20> routine must preserve d1 <20>
@nextButton dbra d3,@loop
moveq #0,d0 ; result code
rts ; we're done
;---------------------------------------------------------
@jmpTable dc.w doNop - @jmpTable ;
dc.w doSingle - @jmpTable ;
dc.w doDouble - @jmpTable ;
dc.w doClickLock - @jmpTable ;
dc.w d0CharStroke - @jmpTable ;
dc.w doAppleScript - @jmpTable ;
dc.w doCustom - @jmpTable ;
doNop rts
;---------------------------------------------------------
doSingle
btst.b d3,buttons(a2) ; are we down?
beq.s @up ; no, skip
bsr.s CrsrDevButtonDown ; yes, handle button down
bra.s @done
@up bsr CrsrDevButtonUp ; yes, handle button up
@done rts
;---------------------------------------------------------
doDouble
btst.b d3,buttons(a2) ; are we down?
beq.s @up ; no, skip
bsr.s CrsrDevButtonDown ; yes, generate 2 clicks
bsr.s CrsrDevButtonUp ;
bsr.s CrsrDevButtonDown ;
bra.s @done
@up bsr.s CrsrDevButtonUp ; and finally button up
@done rts
;---------------------------------------------------------
doClickLock
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tst.b buttonData(a2,d2.w) ; is this the 1st time?
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bne.s @secondHit ; no, skip
btst.b d3,buttons(a2) ; are we down?
beq.s @firstUp ; no, skip
bsr.s CrsrDevButtonDown ; yes, generate button down event
bra.s @done
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@firstUp st.b buttonData(a2,d2.w) ; first up, mark it
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2017-09-17 09:09:04 +00:00
bra.s @done
@secondHit btst.b d3,buttons(a2) ; are we up (2nd time)?
bne.s @done ; no, do nothing...
bsr.s CrsrDevButtonUp ; yes, post up event
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clr.b buttonData(a2,d2.w) ; mark that we're really up
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@done rts
;---------------------------------------------------------
d0CharStroke
rts
;---------------------------------------------------------
doAppleScript
rts
;---------------------------------------------------------
doCustom
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move.l buttonData(a2,d2.w),-(sp) ; push our custom routine address
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rts ; and call it.
;_______________________________________________________________________
;
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; Routine: CrsrDevButtonDown 86a4
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2017-09-17 09:09:04 +00:00
;
; Inputs: a2 - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a0-a1,d0
;
; Function: Posts a button down event if this is the 1st button to go down
;_______________________________________________________________________
CrsrDevButtonDown
move.l whichCursor(a2),a1 ; get ptr to target cursor data
movea.l ExpandMem,a0 ; get ptr to expandmem rec
movea.l emCursorGlobals(a0),a0 ; get cursory global ptr
move.l firstCrsrData(a0),a0 ; a0 points to main cursor data record
cmpa.l a0,a1 ; is this the main cursor?
bne.s @count ; no, just count other cursor's button
move.l doubleClickTime(a2),doubleTime ; set our double-click time
tst.b buttonCount(a1) ; is this the first button to go down?
bne.s @count ; no, no need to post another event<6E>
tst.b MBState ; yes, was mouse up before (should be)?
bpl.s @count ; no, just count the down event
clr.b MBState ; now say the button is down...
moveq #0,d0 ; no message for PostEvent
move.w #mButDwnEvt,a0 ; Get event number
_PostEvent ; post the mouse down event
@count move.l Ticks,MBTicks ; update MBTicks for compatibility <H14>
addq.b #1,buttonCount(a1) ; count the button down
moveq #0,d0 ; result code
rts
;_______________________________________________________________________
;
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; Routine: CrsrDevButtonUp 86e4
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2017-09-17 09:09:04 +00:00
;
; Inputs: a2 - pointer to CrsrDevRec for this device
;
; Outputs: d0 - OSErr
;
; Destroys: a0-a1,d0
;
; Function: Posts a button up event if this is the last button to go up.
;_______________________________________________________________________
CrsrDevButtonUp
move.l whichCursor(a2),a1 ; get ptr to target cursor data
movea.l ExpandMem,a0 ; get ptr to expandmem rec
movea.l emCursorGlobals(a0),a0 ; get cursory global ptr
move.l firstCrsrData(a0),a0 ; a0 points to main cursor data record
subq.b #1,buttonCount(a1) ; count the button up
bpl.s @chkMain ;
clr.b buttonCount(a1) ; clip at 0 (no negatives allowed)
@chkMain cmpa.l a0,a1 ; is this the main cursor?
bne.s @exit ; no, just exit
tst.b buttonCount(a1) ; is this the last button to go up?
bne.s @exit ; no, no need to post another event<6E>
tst.b MBState ; yes, was mouse down before (should be)?
bmi.s @exit ; no, exit
bset.b #7,MBState ; now say the button is up...
moveq #0,d0 ; no message for PostEvent
move.w #mButUpEvt,a0 ; Get event number
_PostEvent ; post the mouse up event
@exit moveq #0,d0 ; result code
rts
;_______________________________________________________________________
;
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; Routine: CrsrDevSetAccel 8720
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;
; Inputs: a2 - pointer to CrsrDevRec for device we want to set
; d0 - acceleration to set (0-1, fixed point)
;
; Outputs: d0 - OSErr
;
; Destroys: d0-d1,a0-a1
;
; Function: This routine installs the proper acceleration table for
; the specified device, based on the passed in acceleration
; value.
;_______________________________________________________________________
CrsrDevSetAccel
move.l d0,acceleration(a2) ; save new acceleration
movem.l d2-d7/a3-a4,-(sp) ; save a bunch of registers
move.l accelPoints(a2),d0 ; get ptr to old table
beq.s @cont
move.l d0,a0 ; if one existed,
_DisposPtr ; get rid of it
@cont move.w #mapTrue,RomMapInsert ; map ROM into resource chain <H2>
clr.w -(sp) ; room for function result
move.l #'accl',-(sp) ; we're looking for acceleration resources
_CountResources ; how many are there in the current resource file?
move.w (sp)+,d3 ; keep count in d3
beq.s @noaccl ; can't find any accl resources! <H11>
move.l devID(a2),d4 ; first try finding an 'accl' that matches our device ID<H3>
beq.s @tryClass ; if field NULL, use devClass
bsr FindResource ; did we find one?
beq.s @foundIt ; yes, skip below
@tryClass move.b devClass(a2),d4 ; try finding an 'accl' that matches our device class <H3>
ext.w d4 ; <H3>
ext.l d4 ; <H3>
bsr FindResource ; did we find one?
beq.s @foundIt ; yes, skip below
moveq #0,d4 ; otherwise, just load the flat ramp <H3>
bsr FindResource ; did we find one?
beq.s @foundIt
@noaccl _debugger ; <20><> break if we didn't find one (we should never get here!)
;----------------------------------------------
; first find the two tables which enclose the desired acceleration
;----------------------------------------------
Build updated MainCode image (matches Mac OS ROM 9.6.1+)
2017-09-20 11:58:54 +00:00
@foundIt Move.B $85(A2), D3
BEQ.B @endofthing
Clr -(SP)
Move.L #'accl', -(A7)
Move #$FFFF, (ROMMapInsert)
_CountResources
Move (SP)+, D3
Move.L #'USB*', D4
Bsr FindResource
BEQ.B @endofthing
MoveQ.L #$0, D4
Bsr FindResource
@endofthing
move.l acceleration(a2),d3 ; get new acceleration in d3
Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
2017-09-17 09:09:04 +00:00
move.w (a0)+,d2 ; get # of acceleration tables in resource
move.l a0,a1 ; keep ptr to 'low' accel table in a1
@searchHi cmp.l (a0),d3 ; compare this acceleration to desired acceleration
ble.s @foundHi ; we found a table that is higher than us, done...
@nextEntry move.l a0,a1 ; update ptr to 'low' accel table in a1
addq.l #4,a0 ; skip past the acceleration
move.w (a0)+,d0 ; get # of points for this table
asl.w #3,d0 ; * 8 bytes for each entry
adda.w d0,a0 ; point to next table
bra.s @searchHi ; and try next acceleration
@foundHi move.l a0,a3 ; a3 = ptr to 'high' entry
cmpa.l a1,a3 ; are both tables same (matched 1st table) <H4>
bne.s @calcScale ; no, compute scale factor
addq.w #4,a1 ; bump past acceleration
addq.w #4,a3 ; in both tables
moveq #1,d7 ; yes, scale factor = 1
swap d7 ;
bra.s @scaleTable
@calcScale clr.l -(sp) ; room for function result
sub.l (a1),d3
move.l d3,-(sp) ; push (desired accel - low accel)
move.l (a3)+,d0
sub.l (a1)+,d0
move.l d0,-(sp) ; push (high accel - low accel)
_FixDiv ; divide to get our interpolation factor
move.l (sp)+,d7 ; d7 = scale factor
;----------------------------------------------
; now scale the lower resource table to the desired acceleration.
; The resulting table is pushed on the stack as it is created.
; d7 = scale factor
;
; uses d3,d4 to hold last dumped x1,y1
;----------------------------------------------
@scaleTable move.l sp,a4 ; keep ptr to stack buffer top
moveq #0,d3 ; init our 'prev' point 1
moveq #0,d4
clr.l -(sp) ; init x1
clr.l -(sp) ; init y1
move.w (a1)+,d5 ; d5 = # of points in lower table
move.w (a3)+,d6 ; d6 = # of points in upper table
cmpa.l a1,a3 ; did we find an exact match? <H4>
bne.s @scaleLoop ; yes, say no points left in one of the tables <H4>
moveq #0,d5 ; <H4>
@scaleLoop tst.w d5 ; any points left on lower line?
beq.s @lowLine ; no, then interpolate onto lower line
tst.w d6 ; any points left on upper line?
beq.s @highLine ; no, then interpolate onto upper line
move.l (a1),d0 ; see if next x point on lower accel table is
cmp.l (a3),d0 ; greater then next x point on higher accel table
bgt.s @lowLine ; yes, then use 2 points from lower table
;-----------
@highLine move.l (a3),-(sp) ; push x2 from upper curve
move.l 4(a3),-(sp) ; push y2 " "
move.l (a1),-(sp) ; push x3 from lower curve
move.l 4(a1),-(sp) ; push y3 " "
subq.w #1,d5 ; count the point
ble.s @doneLow ; if no more, we need to keep re-using last point
addq.w #8,a1 ; else, more points, point to next one
bra.s @int1
@doneLow moveq #0,d5 ; indicate no more points on lower line
@int1 bset #31,d7 ; indicate y3 is on lower curve
bsr Interpolate ; find new x' y'
bra.s @setPoint1 ; and set next point 1
;-----------
@lowLine move.l (a1),-(sp) ; push x2 from lower curve
move.l 4(a1),-(sp) ; push y2 " "
move.l (a3),-(sp) ; push x3 from upper curve
move.l 4(a3),-(sp) ; push y3 " "
subq.w #1,d6 ; count the point
ble.s @doneHigh ; if no more, we need to keep re-using last point
addq.w #8,a3 ; else, more points, point to next one
bra.s @int2
@doneHigh moveq #0,d6 ; indicate no more points on upper line
@int2 bsr Interpolate ; find new x' y'
;-----------
@setPoint1 tst.w d5 ; are we at end?
beq.s @restorePrevPt1 ; yes, restore previous pt1
tst.w d6 ; are we at end of upper line?
beq.s @restorePrevPt1 ; yes, restore previous pt1
move.l (a1),d0
cmp.l (a3),d0 ; is next point on upper curve before next point on low curve?
ble.s @swapLines ; no, skip below
@sameLine addq.w #8,sp ; dump last x3,y3 point
move.l 12(sp),4(sp) ; yes, old x1 becomes new x1
move.l 8(sp),(sp) ; old y1 becomes new y1
bra.s @nextPoint
@restorePrevPt1
addq.w #8,sp ; dump last x3,y3 point
move.l d3,4(sp) ; yes, previous x1 becomes new x1
move.l d4,(sp) ; previous y1 becomes new y1
bra.s @nextPoint
;-----------
@swapLines move.l (sp)+,4(sp) ; old y3 becomes new y1 data point
move.l (sp)+,4(sp) ; old x3 becomes new x1 data point
@nextPoint move.l 12(sp),d3 ; save last x1,y1 in case needed later
move.l 8(sp),d4
move.l d1,12(sp) ; set new x',y' data point on top of old x1,y1 point
move.l d2,8(sp) ;
move.w d5,d0 ; any more points in lower
or.w d6,d0 ; or upper table?
bne @scaleLoop ; yes, ok to continue
;------------------
addq.w #8,sp ; dump last x1,y1 point
move.l a4,d0 ; find out how big our computed buffer
sub.l sp,d0 ; is
lsr.l #3,d0 ; / 8 to find how many points
mulu #CrsrDevSegSize,d0 ; * size of each point
_NewPtr ,Sys,Clear ; allocate space for new table
move.l a0,accelPoints(a2) ; save ptr to table
;----------------------------------------------
; finally compute the table of accelPoints, based on the scaled accel resource
;----------------------------------------------
move.l a0,a3 ; keep working ptr to new table in a3
move.l a4,a1 ; ptr to top of table in a4 (grows toward low mem)
moveq #0,d1 ; init x1
moveq #0,d2 ; init y1
clr.l -(sp) ; first, calculate a couple of scaling constants
move.l resolution(a2),-(sp) ; device res
move.l #(frameRate<<16),-(sp) ; / frame rate
_FixDiv
move.l (sp)+,d6 ; = scale factor for device speed
clr.l -(sp)
move.l whichCursor(a2),a0
move.l CrsrDataRec.screenRes(a0),-(sp) ; screen res
move.l #(frameRate<<16),-(sp) ; / frame rate
_FixDiv
move.l (sp)+,d7 ; = scale factor for cursor speed
@loop clr.l -(sp) ; room for fixMul result
move.l -(a1),-(sp) ; get device speed for next point
move.l d6,-(sp) ;
_FixMul ; dev speed * [devRes / frameRate]
move.l (sp)+,d3 ; = x2
move.l d3,devUnits(a3) ; <20><> set max device speed for this segment
clr.l -(sp) ; room for fixMul result
move.l -(a1),-(sp) ; get cursor speed for next point
move.l d7,-(sp) ;
_FixMul ; y2 = cursor speed * [crsrRes / frameRate]
move.l (sp)+,d4 ;
clr.l -(sp) ; room for function result
move.l d4,d0
sub.l d2,d0 ; y2-y1
move.l d0,-(sp)
move.l d3,d0
sub.l d1,d0 ; x2-x1
move.l d0,-(sp)
_FixDiv ; calculate the slope
move.l (sp)+,slope(a3) ; <20><> set slope in table
clr.l -(sp)
move.l slope(a3),-(sp)
move.l d3,-(sp)
_FixMul ; slope * X
move.l d4,d0
sub.l (sp)+,d0 ; Y - slope * X = intercept
move.l d0,intercept(a3) ; <20><> set intercept
adda.w #CrsrDevSegSize,a3 ; bump to next segment
move.l d3,d1 ; old x2,y2 becomes new x1,y1
move.l d4,d2
cmpa.l a1,sp ; are we done?
blt.s @loop ; no, continue
move.l a4,sp ; dump buffer from stack
move.l #$7FFFFFFF,-12(a3) ; set last 'highest device speed' to max
movem.l (sp)+,d2-d7/a3-a4 ; restore registers
moveq #0,d0 ; result code
rts
;------------------------------------------------
;
Build updated MainCode image (matches Mac OS ROM 9.6.1+)
2017-09-20 11:58:54 +00:00
; Routine: FindResource 8906
Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
2017-09-17 09:09:04 +00:00
;
; Inputs: d3 - # of 'accl' resources to search
; d4 - 'accl' resource tag we're looking for
;
; Outputs: a0 - ptr to 'accl' resource (past tag) if we found it
; ccr.Z - set if we matched
;
; Destroys: a0,d0,d1,d2,d5
;
; Function: This routine scans 'accl' resources, searching
; for one with a tag matching d1.
;------------------------------------------------
FindResource
move.w d3,d5 ; init our index <H3>
@loop move.w #mapTrue,RomMapInsert ; map ROM into resource chain <H2>
clr.l -(sp) ; room for function result
move.l #'accl',-(sp) ; we're looking for acceleration resources
move.w d5,-(sp) ; push current index <H3>
_GetIndResource ; get next 'accl' resource
move.l (sp)+,d0 ; did we get this one? <H3>
beq.s @NotFound ; -> no, try the next one <H3>
move.l d0,a0 ; handle in a0 <H3>
move.l (a0),a0 ; ptr in a0
cmp.l (a0)+,d4 ; does tag match our selector?
beq.s @exit ; yes, exit (with res ptr in a0)
@NotFound subq.w #1,d5 ; no, bump to next resource <H3>
bne.s @loop ; keep searching... <H3>
moveq #1,d0 ; set BNE if not found <H3>
@exit rts ; exit with Z-Flag set on match
;------------------------------------------------
;
Build updated MainCode image (matches Mac OS ROM 9.6.1+)
2017-09-20 11:58:54 +00:00
; Routine: Interpolate 892e
Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
2017-09-17 09:09:04 +00:00
;
; Inputs: 18(sp) - x1
; 14(sp) - y1
; 10(sp) - x2
; 0C(sp) - y2
; 08(sp) - x3
; 04(sp) - y3
; d7 - scale, bit 31 set if 3rd point on lower accel curve.
;
; Outputs: d1 - x'
; d2 - y'
; d7.31 - reset
;
; Destroys: a0,d0-d1
;
; Function: This routine interpolates to find a point on the line [x1,y1] [x2,y2] which
; is intersected by the line [x3,y3] [x3,y"]. The resulting y' is calculated
; by interpolating between y3 and y", towards the higher acceleration curve.
;------------------------------------------------
stackFrame RECORD 0,increment
saveA6 ds.l 1
retAddr ds.l 1
y3 ds.l 1
x3 ds.l 1
y2 ds.l 1
x2 ds.l 1
y1 ds.l 1
x1 ds.l 1
ENDR
Interpolate
WITH stackFrame
link a6,#0 ; set our frame ptr
clr.l -(sp) ; room for function result
move.l y2(a6),d0 ; get y2
sub.l y1(a6),d0 ; y2 - y1
move.l d0,-(sp)
move.l x2(a6),d0 ; x2 - x1
sub.l x1(a6),d0
move.l d0,-(sp)
_FixDiv ; calculate slope, leave on stack
clr.l -(sp) ; room for function result
move.l 4(sp),-(sp) ; push copy of slope
move.l x1(a6),-(sp) ; push x1
_FixMul ; slope * x1
move.l y1(a6),d1
sub.l (sp)+,d1 ; d1 = intercept = y1 - (slope * x1)
move.l (sp),-(sp) ; push slope, leave room for function result
move.l x3(a6),-(sp) ; push x3
_FixMul
add.l (sp)+,d1 ; y" = slope * x3 + intercept
clr.l -(sp) ; room for function result
move.l y3(a6),d0
sub.l d1,d0
move.l d0,-(sp) ; push (y3 - y")
move.l d7,-(sp) ; push scale
bclr.b #7,(sp) ; make sure flag is off
_FixMul
bclr #31,d7 ; check if y3 is on lower curve
bne.s @lower ; yes, branch
@upper move.l (sp)+,d2 ; yes, interpolate upward
add.l d1,d2 ; y' = scale(y3-y") + y"
bra.s @exit
@lower move.l y3(a6),d2 ; interpolate downward,
sub.l (sp)+,d2 ; y' = y3 - scale(y3-y")
@exit move.l x3(a6),d1 ; return x'
unlk a6
rts
ENDWITH
;_______________________________________________________________________
;
Build updated MainCode image (matches Mac OS ROM 9.6.1+)
2017-09-20 11:58:54 +00:00
; Routine: CrsrDevHandleVBL 8992
Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
2017-09-17 09:09:04 +00:00
;
; Inputs: -
;
; Outputs: -
;
; Destroys: d0 <H7>
;
; Function: This routine moves the cursor on the screen. It handles error
; distribution and delta acceleration for all the devices, then
; redraws the cursor.
;_______________________________________________________________________
EXPORT CrsrDevHandleVBL
CrsrDevHandleVBL
movem.l a0-a4/d1-d5,-(sp) ; save a bunch of registers <H7>
movea.l ExpandMem,a3 ; get ptr to expandmem rec
movea.l emCursorGlobals(a3),a3 ; get cursory global ptr
Build updated MainCode image (matches Mac OS ROM 9.6.1+)
2017-09-20 11:58:54 +00:00
tst.l a3
beq @exit
Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
2017-09-17 09:09:04 +00:00
move.l firstCrsrDev(a3),d0 ; get ptr to 1st CrsrDevRec
beq @exit ; if not even 1 device, just exit
move.l d0,a2 ; ptr in a2
tst.b CrsrNew ; has anyone touched the old cursor
beq.s @drawCheck ; globals (compatibility - Display Mgr sets this <IH> ) ? <SM6>
clr.b CrsrNew ; yes, ok, we're handling it now
move.l firstCrsrData(a3),a4 ; get ptr to only CrsrDataRec in a4
tst.b isAbs(a4) ; are we in relative mode?
bne.s @drawCheck ; no, skip <SM6>
move.l MTemp,d0 ; does RawMouse <H4>
cmp.l RawMouse,d0 ; = MTemp? <H4>
bne.s @delta ; no, then they're doing deltas <H4>
@abs move.w d0,whereX(a4) ; yes, then just set our whereXY global to theirs
clr.w whereX+2(a4)
swap d0
move.w d0,whereY(a4)
clr.w whereY+2(a4)
bra.s @drawCheck ; <SM6>
@delta move.w Mouse+h,d0 ; add in their movement to ours
sub.w where+h(a4),d0 ; Mouse.h - crsrData->where.h
add.w MTemp+h,d0 ;
sub.w RawMouse+h,d0 ; + MTemp.h - RawMouse.h
swap d0 ; Word2fix
clr.w d0 ;
add.l d0,whereX(a4) ; update our global x position
move.w Mouse+v,d0 ; yes, add in their movement to ours
sub.w where+v(a4),d0 ; Mouse.v - crsrData->where.v
add.w MTemp+v,d0 ;
sub.w RawMouse+v,d0 ; + MTemp.v - RawMouse.v
swap d0 ; Word2fix
clr.w d0 ;
add.l d0,whereY(a4) ; update our global y position
; <SM6>begin
; See if it is time to draw the cursor.
;
@drawCheck ;
IF LC930 THEN
bclr.b #SkipDraw,CrsrDevFlags(a3) ; if this is the first CRSR VBL don't draw, do the calculations only
bne.s @accumLoop ; will draw on the next VBL
;==================================
@flushCrsrs
movem.l d0/a0-a4,-(sp) ; save registers used by CursorDraw Routines
move.l firstCrsrData(a3),a4 ; get ptr to first CrsrDataRec
@flushLoop clr.b isAbs(a4)
move.w whereX(a4),where+h(a4) ; update our h coordinate
move.w whereY(a4),where+v(a4) ; update our h coordinate
move.l nextCrsrData(a4),a4
move.l a4,d0
bne.s @flushLoop ; and clear flush next cursor (if any)
;-----------------
@drawCursor movea.l DrawCrsrVBLVector(a3),a0 ; call the DrawCursor vector <H15>
jsr (a0) ; <H15>
movem.l (sp)+,d0/a0-a4 ; restore registers trashed by CursorDraw routine
ENDIF ; <SM6>end
;------------------------------------------------------
; Now add and accelerate deltas for all cursor devices
; and combine into our only cursor data record.
;------------------------------------------------------
@accumLoop move.l whichCursor(a2),a4 ; get ptr to this devices CrsrDataRec in a4
tst.b isAbs(a4) ; are we in absolute mode?
beq.s @relative ; no, skip
clr.l deltaX(a2) ; yes, absolute cursor,
clr.l deltaY(a2) ; flush relative info for this device
clr.l errorX(a2) ;
clr.l errorY(a2) ;
move.w #-104,denom(a2)
clr.b newData(a2)
bra @nextDev ; and continue
;----------------
@relative tst.b newData(a2) ; relative cursor, do we have new data?
beq.s @noNewData ; no, skip
clr.b newData(a2) ; we're handling the new stuff now<6F>
tst.w denom(a2) ; any errors?
ble.s @noError ; no, skip
clr.l -(sp) ; make room for fixDiv result
move.l errorX(a2),-(sp) ; 1st param for fixDiv
moveq #0,d0
move.w denom(a2),d0
swap d0 ; Word2Fix
move.l d0,-(sp) ; 2nd param for fixDiv
_FixDiv
move.l (sp)+,d3 ; dx = FixDiv(errorX,denom)
clr.l -(sp) ; make room for fixDiv result
move.l errorY(a2),-(sp) ; 1st param for fixDiv
moveq #0,d0
move.w denom(a2),d0
swap d0 ; Word2Fix
move.l d0,-(sp) ; 2nd param for fixDiv
_FixDiv
move.l (sp)+,d4 ; dy = FixDiv(errorY,denom)
sub.l d3,errorX(a2)
sub.l d4,errorY(a2)
bra.s @addDeltas
@noError clr.l d3
clr.l d4
@addDeltas add.l deltaX(a2),d3 ; add in the deltas
add.l deltaY(a2),d4
cmpi.w #-100,denom(a2) ; setup for next time
ble.s @findMag
subq.w #1,denom(a2)
bra.s @findMag
@noNewData move.l errorX(a2),d3 ; no new samples since last VBL,
move.l errorY(a2),d4 ; take all the error
clr.l errorX(a2)
clr.l errorY(a2)
move.w #-102,denom(a2)
;-----------------
@findMag move.l d3,d0 ; get dx
bpl.s @absDy ; ok if positive
neg.l d0 ; else, make positive
@absDy move.l d4,d1 ; get dy
bpl.s @chkMag ; ok if positive
neg.l d1 ; else, make positive
@chkMag cmp.l d1,d0
bgt.s @doY
lsr.l #1,d0
bra.s @setMag
@doY lsr.l #1,d1
@setMag add.l d0,d1 ; d1 = magnitude
beq.s @nextDev ; no magnitude, check next device
move.l accelPoints(a2),a1 ; a1 points to acceleration table
clr.w d0
@search cmp.l devUnits(a1,d0.w),d1 ; find entry in the table
ble.s @foundIt ; that matches our magnitude
add.w #CrsrDevSegSize,d0 ; not close yet, bump to next one
bra.s @search
;-----------------
@foundIt move.l intercept(a1,d0.w),-(sp) ; push intercept for later add
clr.l -(sp) ; room for function result
move.l slope(a1,d0.w),-(sp) ; push slope
move.l d1,-(sp) ; push mag
_FixMul
move.l (sp)+,d0
add.l (sp)+,d0 ; scale = intercept + slope*mag
clr.l -(sp) ; room for function result
move.l d0,-(sp) ; push scale
move.l d1,-(sp) ; magnitude
_FixDiv ; scale = scale / mag
clr.l -(sp) ; room for function result
move.l 4(sp),-(sp) ; push a copy of scale
move.l d3,-(sp) ; push dx
_FixMul
move.l (sp)+,d0
add.l d0,whereX(a4) ; accumulate the accelerated move
move.l (sp),-(sp) ; push scale, leave room for function result
move.l d4,-(sp) ; push dy
_FixMul
move.l (sp)+,d0
add.l d0,whereY(a4) ; accumulate the accelerated move
@nextDev move.l nextCrsrDev(a2),a2 ; get next device ptr
move.l a2,d0 ; done all devices?
bne @accumLoop ; no, continue looping
IF NOT LC930 THEN ; <SM6>
;==================================
@flushCrsrs move.l firstCrsrData(a3),a4 ; get ptr to first CrsrDataRec
@flushLoop clr.b isAbs(a4)
move.w whereX(a4),where+h(a4) ; update our h coordinate
move.w whereY(a4),where+v(a4) ; update our h coordinate
move.l nextCrsrData(a4),a4
move.l a4,d0
bne.s @flushLoop ; and clear flush next cursor (if any)
;-----------------
@drawCursor movea.l DrawCrsrVBLVector(a3),a0 ; call the DrawCursor vector <H15>
jsr (a0) ; <H15>
ENDIF ; <SM6>
@exit movem.l (sp)+,a0-a4/d1-d5 ; restore a bunch of registers <H7>
rts
;_______________________________________________________________________ <H15>
;
Build updated MainCode image (matches Mac OS ROM 9.6.1+)
2017-09-20 11:58:54 +00:00
; Routine: DrawCursor 8b38
Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
2017-09-17 09:09:04 +00:00
;
; Inputs: a3 - ptr to CrsrDevGlobals
;
; Outputs:
;
; Destroys: d0,a0,a4
;
; Function: This routine is the default ROM routine called through
; the DrawCrsrVBLVector. The vector is initialized by
; InitCrsrDev. (Pulled from the in-line VBL code).
;_______________________________________________________________________
DrawCursor movea.l firstCrsrData(a3),a4 ; get ptr to main CrsrDataRec <H15>
move.l where(a4),d0 ; get new mouse coords
cmp.l Mouse,d0 ; has cursor moved?
beq.s @exit ; no<6E> exit
tst.b CrsrCouple ; is cursor coupled to mouse?
bne.s @coupled ; yes, continue <SM6>
move.l d0,MTemp ; no, just update lowmem MTemp <SM6>
bra.s @exit ; and exit without drawing cursor <SM6>
@coupled tst.b CrsrBusy ; is it locked? <SM6>
bne.s @exit ; yes<65> exit
lea CrsrPin,a0 ; it's ok to update cursor, get bounding rect
Build updated MainCode image (matches Mac OS ROM 9.6.1+)
2017-09-20 11:58:54 +00:00
move.l d0,-(sp)
Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
2017-09-17 09:09:04 +00:00
BSR.L CrsrVBLTask ; pin and draw the cursor
move.l Mouse,d0 ; has cursor been pinned?
cmp.l where(a4),d0 ;
beq.s @exit ; no<6E> exit
move.l d0,where(a4) ; reflect pinned location
move.l MouseMask,d1 ; <H18>
not.l d1
tst.w d1 ; are we gridding in x direction?
beq.s @updateX ; no, force update
move.w whereX(a4),d0 ; yes, see if we clipped at screen bounds <H18>
sub.w Mouse+h,d0
bpl.s @xok
neg.w d0
@xok cmp.w d1,d0 ; compare our error to grid delta
ble.s @chkGridv ; <, so don't update our running x position
@updateX move.w RawMouse+h,whereX(a4) ; stamp our new running x position
clr.w whereX+2(a4)
@chkGridv swap d1 ; <H18>
tst.w d1 ; are we gridding in y direction?
beq.s @updateY ; no, force update
move.w whereY(a4),d0 ; yes, see if we clipped at screen bounds <H18>
sub.w Mouse+v,d0
bpl.s @yok
neg.w d0
@yok cmp.w d1,d0 ; compare our error to grid delta
ble.s @exit ; <, so don't update our running y position
@updateY move.w RawMouse+v,whereY(a4) ; stamp our new running x position
clr.w whereY+2(a4) ; loose the fraction
@exit rts
;_______________________________________________________________________
;
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; Routine: CrsrDevNewDevice 8bb8
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;
; Inputs: ...
;
; Outputs: a2 - pointer to CrsrDevRec for device we initialized
; d0 - OSErr
;
; Destroys: d1-d2,a0-a1
;
; Function: This routine creates a new CrsrDevRec, adds it to the
; linked list of device records, and initializes it's fields.
; Note: the caller must call CrsrDevSetAcceleration after
; calling this routine.
;_______________________________________________________________________
CrsrDevNewDevice
move.l #CrsrDevSize,d0
_NewPtr ,Sys,Clear ; non-explicitly set fields will default to zeros
bne.s @error ; no memory, error exit
move.l a0,a2 ; keep ptr in a0
movea.l ExpandMem,a0 ; get ptr to expandmem rec
movea.l emCursorGlobals(a0),a0 ; get cursory global ptr
move.l firstCrsrDev(a0),nextCrsrDev(a2) ; link into our chain
move.l a2,firstCrsrDev(a0) ; " "
move.l firstCrsrData(a0),whichCursor(a2) ; init the cursor data ptr
move.b #classMouse,devClass(a2) ; we're a mouse type device
move.b #1,cntButtons(a2) ; and have 1 button <H11>
move.b #btnSingleClick,buttonOp+0(a2) ; standard single-click operation
move.l #(72<<16),resolution(a2) ; standard screen resolution
subq #4,sp
move.l sp,a0
move.l #$00020008,d0
_ReadXPram ; read mouse PRAM
move.l (sp)+,d1 ; get PRAM setting for double-click time
move.l d1,d0
rol.l #5+2,d0
andi.w #$1C,d0
lea @accelToFixed,a0
move.l (a0,d0.w),acceleration(a2) ; convert to fixed, and set our acceleration
moveq #8+4,d0
rol.l d0,d1 ; get PRAM setting for double-click time
andi.w #$0F,d1
lea @clickToFixed,a0
moveq #0,d0
move.b (a0,d1.w),d0
move.l d0,doubleClickTime(a2) ; set our double-click time
move.l d0,doubleTime ; update lowmem as well... <H13>
move.w #-101,denom(a2)
move.w #4,spread(a2)
moveq #0,d0 ; result code
rts
@error moveq #-1,d0 ; error exit
rts
@accelToFixed
dc.l $00000000 ; 0
dc.l $00002000 ; 1
dc.l $00005000 ; 2
dc.l $00008000 ; 3
dc.l $0000B000 ; 4
dc.l $0000E000 ; 5
dc.l $00010000 ; 6
dc.l $00010000 ; 7
@clickToFixed
dc.b $0C ; 0
dc.b $0C ; 1
dc.b $0C ; 2
dc.b $0C ; 3
dc.b $10 ; 4
dc.b $14 ; 5 fast
dc.b $17 ; 6
dc.b $1B ; 7
dc.b $20 ; 8 medium
dc.b $23 ; 9
dc.b $26 ; a
dc.b $2C ; b
dc.b $30 ; c slow
dc.b $34 ; d
dc.b $38 ; e
dc.b $3C ; f
;_______________________________________________________________________
;
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; Routine: CrsrDevDisposeDev 8c6e
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;
; Inputs: a2 - pointer to CrsrDevRec for device we want to remove
;
; Outputs: d0 - OSErr
;
; Destroys: d0-d2,a0-a1
;
; Function: This routine eliminates CrsrDevRec from the linked list
; of device records, and disposes of all storage related to
; it.
;_______________________________________________________________________
CrsrDevDisposeDev
movea.l ExpandMem,a0 ; get ptr to expandmem rec
movea.l emCursorGlobals(a0),a0 ; get cursory global ptr
move.l firstCrsrDev(a0),a1 ; d1 points to main cursor data record
moveq #0,d1 ; prev := NIL
@loop cmpa.l a1,a2 ; is this the linked list element we want?
beq.s @gotIt ; yes, handle it
move.l a1,d1 ; no, prev := next
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beq.s @exit
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move.l nextCrsrDev(a1),d0 ; get next->nextCrsrDev
beq.s @exit ; exit if NIL (we never found it)
move.l d0,a1 ; next := next->nextCrsrDev
bra.s @loop
@gotIt move.l nextCrsrDev(a1),a1 ; next := next->nextCrsrDev
tst.l d1 ; was it the first one?
beq.s @firstOne ; yes, handle special case
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move.l a2,d0
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move.l d1,a2
move.l a1,nextCrsrDev(a2) ; else, delete our element from middle of list
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move.l d0,a2
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bra.s @dispose
@firstOne move.l a1,firstCrsrDev(a0)
@dispose move.l accelPoints(a2),d0
beq.s @ridRecord ; get rid of storage within CrsrDevRec
move.l d0,a0
_DisposPtr
@ridRecord move.l a2,a0
_DisposPtr ; get rid of CrsrDevRec itself
@exit moveq #0,d0 ; result code
rts
;_______________________________________________________________________
;
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; Routine: CrsrDevReInit 8cae
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;
; Inputs: d0 - 0 = pre-init, 1=post-init
;
; Outputs: d0 - 0 = pre-init, 1=post-init
;
; Destroys: a0-a3/d1-d3
;
; Function: This routine handles pre and post ADB ReInit processing.
; Before reinit, it trashes all the crsrDevRecs that are
; hanging off the ADB chain. After the re-init, it restores
; all the devices. Devices that can enter Handler XX, like PGE,
; are polled for information from register 01, which is used
; to fill in the CrsrDevRec. Other devices are used in the
; appropriate defaults.
;_______________________________________________________________________
ADBParamBlk RECORD 0,decrement
iDataAddr ds.l 1 ; ADB device data ptr
iCRAddr ds.l 1 ; ADB device completion rtn
iOrigAddr ds.b 1 ; ADB original address
iDeviceTy ds.b 1 ; ADB device type
iPBlock EQU iDeviceTy ; the start of our GetInfo param block
iSPBlock EQU iCRAddr ; the start of our SetInfo param block
adbPBSize EQU * ; size of our param block
ENDR
EXPORT CrsrDevReInit
CrsrDevReInit ; <H14>
WITH ADBParamBlk
movem.l d0-d3/a0-a3,-(sp)
link a6,#adbPBSize ; Make a stack frame for our param block
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tst d0
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bne.s @PostInit ; Skip if post-processing
;---------------------
; pre-init processing
;---------------------
_CountADBs ; Get the number of ADB devices
move.w d0,d2 ; Save in D2
beq @exit ; Skip if none
@killLoop lea iPBlock(a6),a0 ; a0 is parameter block
move.w d2,d0
_GetIndADB ; Get a device entry
bmi.s @nextRec1 ; Skip if not valid
cmpi.b #mouseAddr,iOrigAddr(a6); mouse?
bne.s @nextRec1 ; Skip if not
move.l iDataAddr(a6),a2 ; Save the data address pointer
clr.l iDataAddr(a6) ; Clear it out, so the keyboard won't trash memory
lea iSPBlock(a6),a0 ; a0 ptr to our short param block
_SetADBInfo ; d0 already contains the ADB Address
bsr.s CrsrDevDisposeDev ; eliminate it from our globals also
@nextRec1 subq.w #1,d2
bgt.s @killLoop
movea.l ExpandMem,a0 ; get ptr to expandmem rec
movea.l emCursorGlobals(a0),a0 ; get cursory global ptr
clr.l firstCrsrDev(a0) ; clear out initial dev ptr
bra @exit
;---------------------
; post-init processing
;---------------------
@PostInit bset.b #7,MBState ; set current mouse button state to UP <H16>
clr.l MBTicks ; reset timestamp for mouse button <H16>
_CountADBs ; Get the number of ADB devices
move.w d0,d2 ; Save in D2
sub.w #10,sp ; allocate ADBOp reply buffer on stack for later
beq @postCheck ; Skip if no devices
@instLoop
lea iPBlock(a6),a0 ; a0 is parameter block
move.w d2,d0
_GetIndADB ; Get a device entry
move.w d0,d3 ; save ADB address
bmi @nextRec2 ; Skip if not valid
cmpi.b #mouseAddr,iOrigAddr(a6); mouse?
bne @nextRec2 ; Skip if not
bsr CrsrDevNewDevice ; create and chain in a new cursor record
; a2 points to crsrDevRec
move.b d3,d0 ; address in d0
lsl.b #4,d0 ; upper 4 bits
ori.b #%1111,d0 ; talk R3 command
move.l sp,a0 ; reply buffer ptr in a0
bsr syncADBTalk ; send command synchronously, reply in a0.
tst.b (a0) ; any data?
beq @nextRec2 ; no, skip (should not happen)
move.b #extDevHand,2(a0) ; yes, try to set to allow mouse extension
move.b d3,d0 ; address in d0
lsl.b #4,d0 ; upper 4 bits
ori.b #%1011,d0 ; Listen R3 command
bsr syncADBListen ; send command synchronously.
move.b d3,d0 ; now see if we switched be doing a talk R3 again
lsl.b #4,d0 ; addr in upper 4 bits
ori.b #%1111,d0 ; talk R3 command
move.l sp,a0 ; reply buffer ptr in a0
bsr syncADBTalk ; send command synchronously, reply in a0.
tst.b (a0) ; any data?
beq @nextRec2 ; no, skip (should not happen)
cmpi.b #extDevHand,2(a0) ; did we switch?
bne.s @preExisting ; no, doesn't
;--------------------------------
; We got an extended type device...
;--------------------------------
move.b d3,d0 ; now get the extended data from R1
lsl.b #4,d0 ; addr in upper 4 bits
ori.b #%1101,d0 ; talk R1 command
bsr syncADBTalk ; send command synchronously, reply in a0.
cmpi.b #8,(a0) ; did we get 8 bytes back?
bne.s @preExisting ; no, try handler 2 (maybe 1)
move.b 1(a0),devID+0(a2) ; copy the device ID (optimize later)
move.b 2(a0),devID+1(a2) ; "
move.b 3(a0),devID+2(a2) ; "
move.b 4(a0),devID+3(a2) ; "
move.b 5(a0),resolution+0(a2) ; Copy the resolution
move.b 6(a0),resolution+1(a2) ; "
clr.w resolution+2(a2) ; clear out the fraction part
move.b 7(a0),devClass(a2) ; Copy the device class
move.b 8(a0),cntButtons(a2) ; Copy the number of buttons
move.b #btnSingleClick,buttonOp+1(a2) ; single-click operation for 2nd button <H5>
bra.s @setInfo ; and setup globals/completion rtn for this device
;--------------------------------
; We got a pre-existing type device...
;--------------------------------
@preExisting
move.b #2,2(a0) ; yes, try to set to handler 2
move.b d3,d0 ; address in d0
lsl.b #4,d0 ; upper 4 bits
ori.b #%1011,d0 ; Listen R3 command
bsr syncADBListen ; send command synchronously.
move.b d3,d0 ; now see if we switched be doing a talk R3 again
lsl.b #4,d0 ; addr in upper 4 bits
ori.b #%1111,d0 ; talk R3 command
move.l sp,a0 ; reply buffer ptr in a0
bsr syncADBTalk ; send command synchronously, reply in a0.
tst.b (a0) ; any data?
beq.s @nextRec2 ; no, skip (should not happen)
cmpi.b #2,2(a0) ; did we switch to 2?
bne.s @brainDead ; no, must be stupid 4th party device
;-----------------------------------------
; We switched to 2, so adjust some paramters
;-----------------------------------------
move.l #'@200',devID(a2) ; set the device ID
move.w #200,resolution(a2) ; set the resolution
bra.s @setInfo
;-----------------------------------------
; We didn't switch to 2, so set back to 1 (is this necessary Dan?)
;-----------------------------------------
@brainDead move.b #1,2(a0) ; yes, try to set to handler 1
move.b d3,d0 ; address in d0
lsl.b #4,d0 ; upper 4 bits
ori.b #%1011,d0 ; Listen R3 command
bsr syncADBListen ; send command synchronously.
;--------------------------------
@setInfo move.l acceleration(a2),d0 ; d0 = acceleration for this device
bsr CrsrDevSetAccel ; set up the acceleration tables
lea CrsrDevHandleADB,a0
move.l a0,iCRAddr(a6) ; set our handler
move.l a2,iDataAddr(a6) ; set up the data area
lea iSPBlock(a6),a0 ; a0 ptr to our short param block
move.w d3,d0 ; d0 = ADB address
_SetADBInfo ; install the new info
@nextRec2 subq.w #1,d2
bgt @instLoop ; continue looping though all devices
bmi.s @postExit ; done when we've been through here twice (once to set default)
;---------------------
@postCheck move.b #mouseAddr,d3
moveq #numFDBAdr,d0 ; Number of table entries
move.l ADBBase,a3 ; get ADB globals in a3
move.l a3,a1 ; copy in a1
bra.s @chkMatch ;
@searchLoop adda.w #FRecSize,a1 ; Get to next record
@chkMatch cmp.b FDBAddr(a1),d3 ; Is this the right one?
beq.s @postExit ; If so, we're done
tst.b FDBAddr(a1) ; Is it 0?
dbeq d0,@searchLoop ; Loop until it is found or no more.
move.b #1,FDBDevTy(a1) ; assume handler 1
move.b d3,FDBOAddr(a1) ; set original address as 3
move.b d3,FDBAddr(a1) ; set FDB address as 3
bset.b d3,DevMap+1(a3) ; remember to poll it
bsr CrsrDevNewDevice ; else, create and chain in a default cursor record
bra.s @setInfo ; and set it it ADB unit table
@postExit add.w #10,sp ; <20> dump our ADBOp buffer
movea.l ExpandMem,a0 ; get ptr to expandmem rec <H10>
movea.l emCursorGlobals(a0),a0 ; get cursory global ptr <H10>
move.l firstCrsrData(a0),a0 ; get the cursor data ptr <H10>
clr.b buttonCount(a0) ; init button down count <H10>
;---------------------
@exit unlk a6 ; dump the adbInfo param block
movem.l (sp)+,d0-d3/a0-a3
rts
;_______________________________________________________________________
;
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; Routine: syncADBTalk 8e7c
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;
; Inputs: d0 - address/command byte
; a0 - ptr to receive buffer
;
; Outputs: a0 - pts to pascal talk string
;
; Destroys: a1,d0
;
; Function: This routine makes a synchronous ADBOp call, and returns
; any data in the buffer pointed to by a0.
;_______________________________________________________________________
syncADBTalk
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@restart
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move.l a0,-(sp) ; save ptr to our buffer
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move.l d0,-(sp)
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clr.w -(sp) ; our 'sync' flag
move.l sp,a1 ; keep pointer to globals for later
move.l sp,-(sp) ; push pointer to globals
pea syncComp ; push pointer to our completion routine
move.l a0,-(sp) ; push pointer to our reply buffer
move.l sp,a0
_ADBOp
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bmi.s @weird
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@spin tst.b (a1) ; have we completed?
beq.s @spin ; no, keep waiting
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lea 18(sp),sp ; dump locals
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move.l (sp)+,a0 ; restore a0
rts
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@weird lea.l $e(sp),sp
move.l (sp)+,d0
move.l (sp)+,a0
bra.s @restart
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;_______________________________________________________________________
;
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; Routine: syncADBListen 8ea8
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;
; Inputs: d0 - address/command byte
; a0 - ptr to transmit buffer
;
; Outputs: a0 - pts to pascal talk string
;
; Destroys: a0-a1,d0
;
; Function: This routine makes a synchronous ADBOp call, and returns
; any data in the buffer pointed to by a0.
;_______________________________________________________________________
syncADBListen
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@restart
movem.l d0/a0,-(sp)
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clr.w -(sp) ; our 'sync' flag
move.l sp,a1 ; keep pointer to data area for later
move.l sp,-(sp) ; push pointer to data area
pea syncComp ; push our completion address
move.l a0,-(sp) ; push ptr to data to send
move.l sp,a0
_ADBOp
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bmi.s @weird
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@spin tst.b (a1) ; have we completed?
beq.s @spin ; no, keep waiting
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lea 22(sp),sp ; dump locals
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rts
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@weird lea.l $e(sp),sp
movem.l (sp)+,d0/a0
bra.s @restart
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;_______________________________________________________________________
;
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; Routine: syncComp 8ed2
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;
; Inputs: d0 - ADB command byte
; a0 - ptr to data (pascal string)
; a2 - ptr to data area
;
; Outputs: -
;
; Destroys: a0-a3,d0-d3
;
; Function: This is our ADB completion routine. It simply copies any
; data to our receive buffer in our data area, then sets our
; complete flag.
;_______________________________________________________________________
syncComp st.b (a2) ; set our complete flag
rts
;_______________________________________________________________________
;
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; Routine: InitCrsrDev 8ed6
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;
; Inputs: -
;
; Outputs: -
;
; Destroys: a0-a1/d0
;
; Function: This routine allocates and initializes globals for the
; CursorDevice routines, keeping a pointer to them in ExpandMem.
;_______________________________________________________________________
InitCrsrDev
moveq #CrsrGlobSize,d0
_NewPtr ,Sys,Clear ; allocate storage for our globals
movea.l ExpandMem,a1 ; get ptr to expandmem rec
exg a0,a1
move.l a1,emCursorGlobals(a0) ; set cursory global ptr
lea SetCrsrDelCore,a0 ; addr of default ROM handler <H15>
move.l a0,SetCrsrDelayVector(a1) ; install into vector <H15>
lea DrawCursor,a0 ; addr of default ROM handler <H15>
move.l a0,DrawCrsrVBLVector(a1) ; install into vector <H15>
moveq #CrsrDataSize,d0 ; size of our (only) cursor data record
_NewPtr ,Sys,Clear ; allocate it's globals
move.l a0,firstCrsrData(a1) ; set ptr to main cursor data in our globals
moveq #$10,d0
swap d0
move.l d0,whereX(a0) ; init cursor position
move.l d0,whereY(a0)
moveq #72,d0 ; init default screen resolution to 72 dpi
swap d0 ; word2Fix
move.l d0,screenRes(a0)
lea vDrawCursor,a0 ; vector low level drawing routines
move.l a0,DrawCrsrVector
lea vEraseCursor,a0
move.l a0,EraseCrsrVector
IF LC930 THEN
bset.b #SkipDraw,CrsrDevFlags(a1) ; Do not draw the fisrt VBL just do the position calculations <SM6>
ENDIF
rts ; <H14>
;______________________________________________________________________________ <H15>
;
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; Routine: SetCrsrDelay 8f22
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;
; Inputs: a1 contains the ptr to the cursor gDevice being setup
;
; Outputs: -
;
; Destroys: a0,d0
;
; Function: This routine sets the screenDelay value in the CrsrDataRec
; to an appropriate delay value based on the screen type.
; This delay value is used by the cursor VBL as a minimum
; delay between subsequent cursor blits.
;______________________________________________________________________________
EXPORT SetCrsrDelay ; <H15>
SetCrsrDelay
movea.l ExpandMem,a0
cmpa.l #-1,a0 ;has ExpandMem been initialized?
beq.s @skipIt ; if not, then don't call b/c vector is not there
movea.l emCursorGlobals(a0),a0
move.l SetCrsrDelayVector(a0),d0 ;vector to the code that does the real work
beq.s @skipIt ;make sure the value has been initialized
movea.l d0,a0
jsr (a0) ; must preserve a1
@skipIt
IF padForOverpatch THEN
move.l CRSRPTR,A0 ;get handle to cursor data [padding]
MOVE.L (A0),A0 ;get pointer to cursor data
ENDIF
rts
;______________________________________________________________________________ <H15>
;
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; Routine: SetCrsrDelCore 8f3c
Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
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;
; Inputs: a1 contains the ptr to the cursor gDevice being setup
;
; Outputs: -
;
; Destroys: a0,d0
;
; Function: This routine sets the screenDelay value in the CrsrDataRec
; to an appropriate delay value based on the screen type.
; This delay value is used by the cursor VBL as a minimum
; delay between subsequent cursor blits.
;______________________________________________________________________________
SetCrsrDelCore
rts ; just a hook for now
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NewCrsrFunction
; 8f3e
Move.L (DeviceList), D0
@loop BEQ.B @done
MoveA.L D0, A0
CmpA.L D1, A0
BNE.B @moredone
MoveA.L (A0), A0
Move.L $1E(A0), D0
Bra.B @loop
@done SubA.L A0, A0
@moredone Move.L A0, D1
Rts
Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
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;_____________________________________________________________________________________________ <H15>
; VDrawCursor - default DrawCursor routine
;
; The low level cursor routine DrawCursor, is now called through the expandmem vector
; emDrawCursorVector. This is the default routine which is set into the vector by
; the routine InitCrsrVects.
;
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VDrawCursor PROC EXPORT
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IMPORT QD_DRAWCURSOR
BRA.L QD_DRAWCURSOR
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;______________________________________________________________________________________________ <H15>
; VEraseCursor - default EraseCursor routine
;
; The low level cursor routine EraseCursor, is now called through the expandmem vector
; emEraseCursorVector. This is the default routine which is set into the vector by
; the routine InitCrsrVects.
;
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VEraseCursor PROC EXPORT
Bring in CubeE sources Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
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IMPORT QD_ERASECURSOR
BRA.L QD_ERASECURSOR
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END
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