Home » Archimedes archive » Acorn User » AU 1994-07.adf » !StarInfo_StarInfo » SmithJ/!TreeMenu/!MakeMod

SmithJ/!TreeMenu/!MakeMod

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

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Tape/disk: Home » Archimedes archive » Acorn User » AU 1994-07.adf » !StarInfo_StarInfo
Filename: SmithJ/!TreeMenu/!MakeMod
Read OK:
File size: 2663 bytes
Load address: 0000
Exec address: 0000
File contents
    1ON ERROR ON ERROR OFF: REPORT: PRINT ;" in !TreeMenu.!MakeMod, internal error code ";ERL; ".": END
    2
    3REM This program is run by TreeMenu's !RunImage after it has set itself up
    4REM as a Wimp task.
    5REM
    6REM It finds the task handles of the Filer and TreeMenu and assembles a
    7REM module using these task handles. The module is ~ 500 bytes long.
    8REM
    9REM The module detects OS mouse button events (not Wimp), and sends an
   10REM event_CLICK to TreeMenu if the click is with the menu button and is on a
   11REM window title-bar.
   12REM
   13REM It also attaches a Filter onto the Filer. If there is an Alt-Menu click
   14REM on a Filer windows, the click is sent to TreeMenu, and a NULL event is
   15REM sent to the Filer.
   16REM
   17
   18
   19DIM buffer 100
   20
   21SYS "OS_ReadVarVal", "TreeMenu$Options", buffer, 100, 0, 0 TO ,, n
   22a$ = FNstring( buffer, n)
   23
   24detect_titlebar = INSTR( a$, "Titlebar")
   25only_filer      = INSTR( a$, "OnlyFiler")
   26
   27filer_task      = FNFindTaskHandle( "Filer")
   28treemenu_task   = FNFindTaskHandle( "TreeMenu")
   29
   30REM IF filer_task = 0 ERROR 0, "Can't find Filer task"
   31IF treemenu_task  = 0 ERROR 0, "Can't find TreeMenu task"
   32
   33key = 256-3: REM code for the <alt> key
   34
   35
   36
   37DIM codespace 1024
   38
   39
   40FOR pass0 = 0 TO 2 STEP 2
   41P%      = 0
   42O%      = codespace
   43L%      = codespace + 1024: REM prevents assembler from overwriting memory
   44pass    = pass0 + 4 + 8
   45
   46
   47REM ********* MODULE specs *************************************************
   48
   49[ OPT pass
   50
   51        EQUD    0                       ; No startup.
   52        EQUD    initialise
   53        EQUD    finalise
   54        EQUD    0                       ; No service calls are dealt with.
   55        EQUD    title
   56        EQUD    helpstring
   57        EQUD    0                       ; No help table.
   58        EQUD    0                       ; No SWI chunk.
   59        EQUD    0                       ; No SWI handler.
   60        EQUD    0                       ; No SWI table.
   61        EQUD    0                       ; No SWI code.
   62]
   63
   64REM ****** Storage space for constants etc. ********************************
   65
   66[ OPT pass
   67
   68.filertaskhandle:       EQUD filer_task
   69.treemenutaskhandle:    EQUD treemenu_task
   70.mask:                  EQUD NOT (1<<6) ; lets through event_CLICK's only
   71.oldbuttonstate:        EQUD 0
   72
   73.pollblock:             EQUS STRING$( 20, CHR$(0)):     ALIGN
   74
   75.title:                 EQUS "TreeMenuMouse":   EQUB 0: ALIGN
   76.filtername:            EQUS "TreeMenu":        EQUB 0: ALIGN
   77.helpstring:            
   78        EQUS    "TreeMenuMouse"+CHR$(9)+"0.30 (14 Feb 1994) � Julian Smith"
   79        EQUB 0: ALIGN
   80]
   81
   82
   83
   84
   85REM ************************************************************************
   86
   87[ OPT pass
   88
   89.initialise
   90        STMFD   r13!, {r14}
   91]
   92
   93IF detect_titlebar THEN
   94[ OPT pass
   95
   96        MOV     r0, #16                 ; Claim OS events.
   97        ADR     r1, eventcode
   98        MOV     r2, #0
   99        SWI     "OS_Claim"
  100        MOV     r0, #14                 ; Enable OS mouse button events.
  101        MOV     r1, #10
  102        SWI     "OS_Byte"
  103]
  104ENDIF
  105
  106
  107IF filer_task THEN
  108[ OPT pass
  109
  110        ADR     r0, filtername          ; Attach a filter to the Filer.
  111        ADR     r1, filtercode
  112        ADR     r2, 0
  113        LDR     r3, filertaskhandle
  114        LDR     r4, mask
  115        SWI     "Filter_RegisterPostFilter"
  116]
  117ENDIF
  118
  119
  120[ OPT pass
  121        LDMFD   r13!, {PC}
  122]
  123
  124
  125REM ************************************************************************
  126
  127
  128[ OPT pass
  129
  130.finalise
  131        STMFD   r13!, {R14}
  132]
  133
  134IF detect_titlebar THEN
  135[ OPT pass
  136        MOV     r0, #13                 ; Disable OS mouse button events.
  137        MOV     r1, #10                 ; Its OK if someone else is using 
  138        SWI     "OS_Byte"               ; them, as the OS maintains a count
  139                                        ; of how many times each event-type
  140                                        ; is enabled/disabled.
  141
  142        MOV     r0, #16                 ; Stop OS claiming events.
  143        ADR     r1, eventcode
  144        MOV     r2, #0
  145        SWI     "OS_Release"
  146]
  147ENDIF
  148
  149IF filer_task THEN
  150[ OPT pass
  151
  152        ADR     r0, filtername          ; De-register filter on the Filer.
  153        ADR     r1, filtercode
  154        ADR     r2, 0
  155        LDR     r3, filertaskhandle
  156        LDR     r4, mask
  157        SWI     "Filter_DeRegisterPostFilter"
  158
  159]
  160ENDIF
  161
  162
  163
  164[ OPT pass
  165        LDMFD   r13!, {PC}
  166]
  167
  168
  169REM ************************************************************************
  170
  171
  172IF detect_titlebar THEN
  173
  174[ OPT pass
  175.eventcode      ; *********** look for menu clicks on filer titlebar *******
  176
  177        CMP     r0, #10: MOVNES PC, r14 ; Return if not a mouse button event.
  178
  179        STMFD   r13!, {R0-R12, r14}     ; Save all registers.
  180
  181        LDR     r5, oldbuttonstate      ; Load old button state.
  182        AND     r3, r3, #%111           ; Are higher bits used?
  183        STR     r3, oldbuttonstate      ; Store new button state
  184                                        ; for next time.
  185        CMP     r5, #%000
  186        LDMNEFD r13!, {r0-r12, PC}      ; Quit if previous button state 
  187                                        ; isn't 000.
  188        CMP     r3, #%010
  189        LDMNEFD r13!, {r0-r12, PC}      ; Quit if new button state isn't 010.
  190
  191
  192        ; Button change is from 000 to 010, i.e. menu button click, so:
  193
  194        MOV     r9, PC                  ; Switch to SVC mode...
  195        ORR     r8, r9, #3
  196        TEQP    r8, #0
  197        MOV     r0, r0                  ; ...and store r14_svc on stack,
  198        STMFD   r13!,{R14}              ; because it is corrupted by SWIs.
  199
  200        ADR     r1, pollblock           ; Get info on the window and icon
  201        SWI     "XWimp_GetPointerInfo"  ; that the pointer is over.
  202
  203        BVS     quit                    ; In case not in wimp enviroment ?
  204                                        ; Not checking for a SWI error caused
  205                                        ; a system crash when used with 
  206                                        ; MemFS.
  207
  208        LDR     r0, [R1,#16]            ; Check icon handle is -4
  209        ADD     r0, r0, #4              ; ( the title bar).
  210        CMP     r0, #0
  211        BNE     quit                    ; Quit if it isn't.
  212
  213]
  214ENDIF
  215
  216IF only_filer THEN
  217[ OPT pass
  218        MOV     r0, #0                  ; Send a null event to the window to
  219        ADR     r1, pollblock           ; find its task handle.
  220        LDR     r2, [R1,#12]            ; The task handle is put into r2.
  221        SWI     "XWimp_SendMessage"
  222
  223        BVS     quit
  224
  225        LDR     r5, filertaskhandle     ; Check if the task handle
  226        CMP     r2, r5                  ; is the filer.
  227        BNE     quit                    ; Quit if it isn't
  228]
  229ENDIF
  230
  231[ OPT pass
  232        MOV     r0, #6                  ; Everything is OK, so send an
  233        ADR     r1, pollblock           ; event_CLICK to TreeMenu, using
  234        LDR     r2, treemenutaskhandle  ; the pointer info found earlier.
  235        SWI     "XWimp_SendMessage"
  236
  237        BVS     quit
  238
  239.quit
  240        LDMFD   r13!, {R14}             ; Restore r14_svc.
  241        TEQP    r9, #0                  ; Switch back to User mode.
  242        MOV     r0, r0
  243
  244        LDMFD   r13!, {R0-R12, PC}      ; Restore registers and return.
  245]
  246ENDIF
  247
  248
  249REM ************************************************************************
  250
  251IF filer_task THEN 
  252
  253[ OPT pass
  254
  255.filtercode     ; look for Alt-Menu clicks
  256                ; pollblock is pointed to by r1
  257
  258        LDR     r2, [R1,#8]             ; Event will be event_CLICK, so mouse
  259        TST     r2,#2                   ; button info is at pollblock!8.
  260        MOVEQ   PC,R14                  ; Return if Menu button is up.
  261
  262        STMFD   r13!, {R0-R1,R14}       ; Only need to preserve r0 and r1 
  263                                        ; for the poll.
  264
  265        MOV     r0,#129                 ; Test for alt key using OS_Byte.
  266        MOV     r2,#255
  267        MOV     r1,#key                 ; Code for key to be tested for.
  268        SWI     "OS_Byte"
  269        CMP     r2, #255:
  270        LDMNEFD r13!,{R0-R1,PC}         ; Return if alt is not pressed.
  271
  272        LDMFD   r13,{R0-R1}             ; Re-load message block intended for
  273                                        ; Filer ...
  274        LDR     r2, treemenutaskhandle  ; ...and send it straight on to 
  275                                        ; TreeMenu.
  276        SWI     "Wimp_SendMessage"
  277
  278        LDMFD   r13!,{R0-R1}            ; Re-load message block in case
  279                                        ; SendMessage corrupts it.
  280        MOV     r0, #0                  ; Change it to a Null event,
  281        LDMFD   r13!,{PC}               ; and pass it on to Filer...
  282
  283]
  284ENDIF
  285
  286
  287REM ************************************************************************
  288
  289NEXT pass0
  290
  291REM Install the module in RMA area.
  292SYS "OS_Module", 11, codespace, P%
  293
  294END
  295
  296
  297
  298DEF FNFindTaskHandle( task_name$)
  299  LOCAL buff_len, buffer, r0, r1, r2
  300buff_len = 256: DIM buffer buff_len
  301r0 = 0
  302REPEAT
  303  r1 = buffer: r2 = 16
  304  SYS "TaskManager_EnumerateTasks", r0, r1, r2 TO r0
  305  IF r0=-1  = 0
  306  UNTIL FNstring( buffer!4, 32) = task_name$
  307=!buffer
  308
  309
  310DEF FNstring( x, n)
  311  LOCAL i,c, a$
  312FOR i=0 TO n
  313  c = ?(x+i)
  314  IF c=0 THEN =a$
  315  a$ = a$ + CHR$(c)
  316  NEXT
  317=a$
M� � � � �: �: � ;" in !TreeMenu.!MakeMod, internal error code ";�; ".": �

L� This program is run by TreeMenu's !RunImage after it has set itself up
� as a Wimp task.
�
I� It finds the task handles of the Filer and TreeMenu and assembles a
F� module using these task handles. The module is ~ 500 bytes long.
�
	H� The module detects OS mouse button events (not Wimp), and sends an

N� event_CLICK to TreeMenu if the click is with the menu button and is on a
� window title-bar.
�

M� It also attaches a Filter onto the Filer. If there is an Alt-Menu click
L� on a Filer windows, the click is sent to TreeMenu, and a NULL event is
� sent to the Filer.
�


� buffer 100

Dș "OS_ReadVarVal", "TreeMenu$Options", buffer, 100, 0, 0 � ,, n
a$ = �string( buffer, n)

'detect_titlebar = � a$, "Titlebar")
(only_filer      = � a$, "OnlyFiler")

/filer_task      = �FindTaskHandle( "Filer")
2treemenu_task   = �FindTaskHandle( "TreeMenu")

8� IF filer_task = 0 ERROR 0, "Can't find Filer task"
8� treemenu_task  = 0 � 0, "Can't find TreeMenu task"
 
!)key = 256-3: � code for the <alt> key
"
#
$
%� codespace 1024
&
'
(� pass0 = 0 � 2 � 2
)P%      = 0
*O%      = codespace
+LL%      = codespace + 1024: � prevents assembler from overwriting memory
,pass    = pass0 + 4 + 8
-
.
/N� ********* MODULE specs *************************************************
0
1[ OPT pass
2
39        EQUD    0                       ; No startup.
4        EQUD    initialise
5        EQUD    finalise
6N        EQUD    0                       ; No service calls are dealt with.
7        EQUD    title
8        EQUD    helpstring
9<        EQUD    0                       ; No help table.
:;        EQUD    0                       ; No SWI chunk.
;=        EQUD    0                       ; No SWI handler.
<;        EQUD    0                       ; No SWI table.
=:        EQUD    0                       ; No SWI code.
>]
?
@N� ****** Storage space for constants etc. ********************************
A
B[ OPT pass
C
D+.filertaskhandle:       EQUD filer_task
E..treemenutaskhandle:    EQUD treemenu_task
FK.mask:                  EQUD � (1<<6) ; lets through event_CLICK's only
G".oldbuttonstate:        EQUD 0
H
I7.pollblock:             EQUS � 20, �(0)):     ALIGN
J
KA.title:                 EQUS "TreeMenuMouse":   EQUB 0: ALIGN
LA.filtername:            EQUS "TreeMenu":        EQUB 0: ALIGN
M.helpstring:            
NL        EQUS    "TreeMenuMouse"+�(9)+"0.30 (14 Feb 1994) � Julian Smith"
O        EQUB 0: ALIGN
P]
Q
R
S
T
UN� ************************************************************************
V
W[ OPT pass
X
Y.initialise
Z        STMFD   r13!, {r14}
[]
\
]� detect_titlebar �
^[ OPT pass
_
`>        MOV     r0, #16                 ; Claim OS events.
a!        ADR     r1, eventcode
b        MOV     r2, #0
c        SWI     "OS_Claim"
dL        MOV     r0, #14                 ; Enable OS mouse button events.
e        MOV     r1, #10
f        SWI     "OS_Byte"
g]
h�
i
j
k� filer_task �
l[ OPT pass
m
nK        ADR     r0, filtername          ; Attach a filter to the Filer.
o"        ADR     r1, filtercode
p        ADR     r2, 0
q'        LDR     r3, filertaskhandle
r        LDR     r4, mask
s/        SWI     "Filter_RegisterPostFilter"
t]
u�
v
w
x[ OPT pass
y        LDMFD   r13!, {PC}
z]
{
|
}N� ************************************************************************
~

�[ OPT pass
�
�
.finalise
�        STMFD   r13!, {R14}
�]
�
�� detect_titlebar �
�[ OPT pass
�M        MOV     r0, #13                 ; Disable OS mouse button events.
�N        MOV     r1, #10                 ; Its OK if someone else is using 
�O        SWI     "OS_Byte"               ; them, as the OS maintains a count
�O                                        ; of how many times each event-type
�B                                        ; is enabled/disabled.
�
�F        MOV     r0, #16                 ; Stop OS claiming events.
�!        ADR     r1, eventcode
�        MOV     r2, #0
�         SWI     "OS_Release"
�]
��
�
�� filer_task �
�[ OPT pass
�
�N        ADR     r0, filtername          ; De-register filter on the Filer.
�"        ADR     r1, filtercode
�        ADR     r2, 0
�'        LDR     r3, filertaskhandle
�        LDR     r4, mask
�1        SWI     "Filter_DeRegisterPostFilter"
�
�]
��
�
�
�
�[ OPT pass
�        LDMFD   r13!, {PC}
�]
�
�
�N� ************************************************************************
�
�
�� detect_titlebar �
�
�[ OPT pass
�P.eventcode      ; *********** look for menu clicks on filer titlebar *******
�
�Q        CMP     r0, #10: MOVNES PC, r14 ; Return if not a mouse button event.
�
�A        STMFD   r13!, {R0-R12, r14}     ; Save all registers.
�
�D        LDR     r5, oldbuttonstate      ; Load old button state.
�A        �     r3, r3, #%111           ; Are higher bits used?
�D        STR     r3, oldbuttonstate      ; Store new button state
�<                                        ; for next time.
�        CMP     r5, #%000
�L        LDMNEFD r13!, {r0-r12, PC}      ; Quit if previous button state 
�8                                        ; isn't 000.
�        CMP     r3, #%010
�Q        LDMNEFD r13!, {r0-r12, PC}      ; Quit if new button state isn't 010.
�
�
�K        ; Button change is from 000 to 010, i.e. menu button click, so:
�
�C        MOV     r9, PC                  ; Switch to SVC mode...
�        �R     r8, r9, #3
�        TEQP    r8, #0
�L        MOV     r0, r0                  ; ...and store r14_svc on stack,
�N        STMFD   r13!,{R14}              ; because it is corrupted by SWIs.
�
�M        ADR     r1, pollblock           ; Get info on the window and icon
�G        SWI     "XWimp_GetPointerInfo"  ; that the pointer is over.
�
�N        BVS     quit                    ; In case not in wimp enviroment ?
�Q                                        ; Not checking for a SWI error caused
�L                                        ; a system crash when used with 
�4                                        ; MemFS.
�
�E        LDR     r0, [R1,#16]            ; Check icon handle is -4
�?        ADD     r0, r0, #4              ; ( the title bar).
�        CMP     r0, #0
�?        BNE     quit                    ; Quit if it isn't.
�
�]
��
�
�� only_filer �
�[ OPT pass
�P        MOV     r0, #0                  ; Send a null event to the window to
�C        ADR     r1, pollblock           ; find its task handle.
�M        LDR     r2, [R1,#12]            ; The task handle is put into r2.
�'        SWI     "XWimp_SendMessage"
�
�        BVS     quit
�
�F        LDR     r5, filertaskhandle     ; Check if the task handle
�;        CMP     r2, r5                  ; is the filer.
�>        BNE     quit                    ; Quit if it isn't
�]
��
�
�[ OPT pass
�J        MOV     r0, #6                  ; Everything is OK, so send an
�L        ADR     r1, pollblock           ; event_CLICK to TreeMenu, using
�M        LDR     r2, treemenutaskhandle  ; the pointer info found earlier.
�'        SWI     "XWimp_SendMessage"
�
�        BVS     quit
�
�	.quit
�>        LDMFD   r13!, {R14}             ; Restore r14_svc.
�G        TEQP    r9, #0                  ; Switch back to User mode.
�        MOV     r0, r0
�
�K        LDMFD   r13!, {R0-R12, PC}      ; Restore registers and return.
�]
��
�
�
�N� ************************************************************************
�
�� filer_task � 
�
�[ OPT pass
�
�..filtercode     ; look for Alt-Menu clicks
3                ; pollblock is pointed to by r1

Q        LDR     r2, [R1,#8]             ; Event will be event_CLICK, so mouse
L        TST     r2,#2                   ; button info is at pollblock!8.
G        �Q   PC,R14                  ; Return if Menu button is up.

N        STMFD   r13!, {R0-R1,R14}       ; Only need to preserve r0 and r1 
;                                        ; for the poll.

	M        MOV     r0,#129                 ; Test for alt key using OS_Byte.

        MOV     r2,#255
L        MOV     r1,#key                 ; Code for key to be tested for.
        SWI     "OS_Byte"

        CMP     r2, #255:
K        LDMNEFD r13!,{R0-R1,PC}         ; Return if alt is not pressed.

P        LDMFD   r13,{R0-R1}             ; Re-load message block intended for
7                                        ; Filer ...
L        LDR     r2, treemenutaskhandle  ; ...and send it straight on to 
7                                        ; TreeMenu.
&        SWI     "Wimp_SendMessage"

K        LDMFD   r13!,{R0-R1}            ; Re-load message block in case
F                                        ; SendMessage corrupts it.
H        MOV     r0, #0                  ; Change it to a Null event,
H        LDMFD   r13!,{PC}               ; and pass it on to Filer...

]
�


N� ************************************************************************
 
!� pass0
"
#%� Install the module in RMA area.
$%ș "OS_Module", 11, codespace, P%
%
&�
'
(
)
*"� �FindTaskHandle( task_name$)
+$  � buff_len, buffer, r0, r1, r2
,%buff_len = 256: � buffer buff_len
-
r0 = 0
.�
/  r1 = buffer: r2 = 16
06  ș "TaskManager_EnumerateTasks", r0, r1, r2 � r0
1  � r0=-1  = 0
2+  � �string( buffer!4, 32) = task_name$
3=!buffer
4
5
6� �string( x, n)
7  � i,c, a$
8
� i=0 � n
9  c = ?(x+i)
:  � c=0 � =a$
;  a$ = a$ + �(c)
<  �
==a$
�
00000000  0d 00 01 4d ee 20 85 20  ee 20 85 20 87 3a 20 f6  |...M. . . . .: .|
00000010  3a 20 f1 20 3b 22 20 69  6e 20 21 54 72 65 65 4d  |: . ;" in !TreeM|
00000020  65 6e 75 2e 21 4d 61 6b  65 4d 6f 64 2c 20 69 6e  |enu.!MakeMod, in|
00000030  74 65 72 6e 61 6c 20 65  72 72 6f 72 20 63 6f 64  |ternal error cod|
00000040  65 20 22 3b 9e 3b 20 22  2e 22 3a 20 e0 0d 00 02  |e ";.; ".": ....|
00000050  04 0d 00 03 4c f4 20 54  68 69 73 20 70 72 6f 67  |....L. This prog|
00000060  72 61 6d 20 69 73 20 72  75 6e 20 62 79 20 54 72  |ram is run by Tr|
00000070  65 65 4d 65 6e 75 27 73  20 21 52 75 6e 49 6d 61  |eeMenu's !RunIma|
00000080  67 65 20 61 66 74 65 72  20 69 74 20 68 61 73 20  |ge after it has |
00000090  73 65 74 20 69 74 73 65  6c 66 20 75 70 0d 00 04  |set itself up...|
000000a0  15 f4 20 61 73 20 61 20  57 69 6d 70 20 74 61 73  |.. as a Wimp tas|
000000b0  6b 2e 0d 00 05 05 f4 0d  00 06 49 f4 20 49 74 20  |k.........I. It |
000000c0  66 69 6e 64 73 20 74 68  65 20 74 61 73 6b 20 68  |finds the task h|
000000d0  61 6e 64 6c 65 73 20 6f  66 20 74 68 65 20 46 69  |andles of the Fi|
000000e0  6c 65 72 20 61 6e 64 20  54 72 65 65 4d 65 6e 75  |ler and TreeMenu|
000000f0  20 61 6e 64 20 61 73 73  65 6d 62 6c 65 73 20 61  | and assembles a|
00000100  0d 00 07 46 f4 20 6d 6f  64 75 6c 65 20 75 73 69  |...F. module usi|
00000110  6e 67 20 74 68 65 73 65  20 74 61 73 6b 20 68 61  |ng these task ha|
00000120  6e 64 6c 65 73 2e 20 54  68 65 20 6d 6f 64 75 6c  |ndles. The modul|
00000130  65 20 69 73 20 7e 20 35  30 30 20 62 79 74 65 73  |e is ~ 500 bytes|
00000140  20 6c 6f 6e 67 2e 0d 00  08 05 f4 0d 00 09 48 f4  | long.........H.|
00000150  20 54 68 65 20 6d 6f 64  75 6c 65 20 64 65 74 65  | The module dete|
00000160  63 74 73 20 4f 53 20 6d  6f 75 73 65 20 62 75 74  |cts OS mouse but|
00000170  74 6f 6e 20 65 76 65 6e  74 73 20 28 6e 6f 74 20  |ton events (not |
00000180  57 69 6d 70 29 2c 20 61  6e 64 20 73 65 6e 64 73  |Wimp), and sends|
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00000d80  05 cd 0d 00 76 04 0d 00  77 04 0d 00 78 0e 5b 20  |....v...w...x.[ |
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00000da0  20 20 20 20 4c 44 4d 46  44 20 20 20 72 31 33 21  |    LDMFD   r13!|
00000db0  2c 20 7b 50 43 7d 0d 00  7a 05 5d 0d 00 7b 04 0d  |, {PC}..z.]..{..|
00000dc0  00 7c 04 0d 00 7d 4e f4  20 2a 2a 2a 2a 2a 2a 2a  |.|...}N. *******|
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*
00000e10  2a 0d 00 7e 04 0d 00 7f  04 0d 00 80 0e 5b 20 4f  |*..~.........[ O|
00000e20  50 54 20 70 61 73 73 0d  00 81 04 0d 00 82 0d 2e  |PT pass.........|
00000e30  66 69 6e 61 6c 69 73 65  0d 00 83 1f 20 20 20 20  |finalise....    |
00000e40  20 20 20 20 53 54 4d 46  44 20 20 20 72 31 33 21  |    STMFD   r13!|
00000e50  2c 20 7b 52 31 34 7d 0d  00 84 05 5d 0d 00 85 04  |, {R14}....]....|
00000e60  0d 00 86 17 e7 20 64 65  74 65 63 74 5f 74 69 74  |..... detect_tit|
00000e70  6c 65 62 61 72 20 8c 0d  00 87 0e 5b 20 4f 50 54  |lebar .....[ OPT|
00000e80  20 70 61 73 73 0d 00 88  4d 20 20 20 20 20 20 20  | pass...M       |
00000e90  20 4d 4f 56 20 20 20 20  20 72 30 2c 20 23 31 33  | MOV     r0, #13|
00000ea0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000eb0  20 3b 20 44 69 73 61 62  6c 65 20 4f 53 20 6d 6f  | ; Disable OS mo|
00000ec0  75 73 65 20 62 75 74 74  6f 6e 20 65 76 65 6e 74  |use button event|
00000ed0  73 2e 0d 00 89 4e 20 20  20 20 20 20 20 20 4d 4f  |s....N        MO|
00000ee0  56 20 20 20 20 20 72 31  2c 20 23 31 30 20 20 20  |V     r1, #10   |
00000ef0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 3b 20  |              ; |
00000f00  49 74 73 20 4f 4b 20 69  66 20 73 6f 6d 65 6f 6e  |Its OK if someon|
00000f10  65 20 65 6c 73 65 20 69  73 20 75 73 69 6e 67 20  |e else is using |
00000f20  0d 00 8a 4f 20 20 20 20  20 20 20 20 53 57 49 20  |...O        SWI |
00000f30  20 20 20 20 22 4f 53 5f  42 79 74 65 22 20 20 20  |    "OS_Byte"   |
00000f40  20 20 20 20 20 20 20 20  20 20 20 20 3b 20 74 68  |            ; th|
00000f50  65 6d 2c 20 61 73 20 74  68 65 20 4f 53 20 6d 61  |em, as the OS ma|
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00000f70  00 8b 4f 20 20 20 20 20  20 20 20 20 20 20 20 20  |..O             |
00000f80  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000f90  20 20 20 20 20 20 20 20  20 20 20 3b 20 6f 66 20  |           ; of |
00000fa0  68 6f 77 20 6d 61 6e 79  20 74 69 6d 65 73 20 65  |how many times e|
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00000fd0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000fe0  20 20 20 20 20 20 20 20  20 20 3b 20 69 73 20 65  |          ; is e|
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00001020  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
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00001120  69 6c 65 72 2e 0d 00 99  22 20 20 20 20 20 20 20  |iler...."       |
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*
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000017c0  20 20 20 71 75 69 74 20  20 20 20 20 20 20 20 20  |   quit         |
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00001810  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00001820  20 20 20 20 20 20 20 20  20 3b 20 4e 6f 74 20 63  |         ; Not c|
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*
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00001990  20 20 20 20 20 20 20 20  20 20 20 20 3b 20 51 75  |            ; Qu|
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000019b0  00 d4 04 0d 00 d5 05 5d  0d 00 d6 05 cd 0d 00 d7  |.......]........|
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00001c00  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 3b  |               ;|
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00001c30  4c 20 20 20 20 20 20 20  20 41 44 52 20 20 20 20  |L        ADR    |
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00001cf0  04 0d 00 ed 18 20 20 20  20 20 20 20 20 42 56 53  |.....        BVS|
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00001d10  09 2e 71 75 69 74 0d 00  f0 3e 20 20 20 20 20 20  |..quit...>      |
00001d20  20 20 4c 44 4d 46 44 20  20 20 72 31 33 21 2c 20  |  LDMFD   r13!, |
00001d30  7b 52 31 34 7d 20 20 20  20 20 20 20 20 20 20 20  |{R14}           |
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00001d70  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00001d80  3b 20 53 77 69 74 63 68  20 62 61 63 6b 20 74 6f  |; Switch back to|
00001d90  20 55 73 65 72 20 6d 6f  64 65 2e 0d 00 f2 1a 20  | User mode..... |
00001da0  20 20 20 20 20 20 20 4d  4f 56 20 20 20 20 20 72  |       MOV     r|
00001db0  30 2c 20 72 30 0d 00 f3  04 0d 00 f4 4b 20 20 20  |0, r0.......K   |
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00001dd0  21 2c 20 7b 52 30 2d 52  31 32 2c 20 50 43 7d 20  |!, {R0-R12, PC} |
00001de0  20 20 20 20 20 3b 20 52  65 73 74 6f 72 65 20 72  |     ; Restore r|
00001df0  65 67 69 73 74 65 72 73  20 61 6e 64 20 72 65 74  |egisters and ret|
00001e00  75 72 6e 2e 0d 00 f5 05  5d 0d 00 f6 05 cd 0d 00  |urn.....].......|
00001e10  f7 04 0d 00 f8 04 0d 00  f9 4e f4 20 2a 2a 2a 2a  |.........N. ****|
00001e20  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
00001e60  2a 2a 2a 2a 0d 00 fa 04  0d 00 fb 13 e7 20 66 69  |****......... fi|
00001e70  6c 65 72 5f 74 61 73 6b  20 8c 20 0d 00 fc 04 0d  |ler_task . .....|
00001e80  00 fd 0e 5b 20 4f 50 54  20 70 61 73 73 0d 00 fe  |...[ OPT pass...|
00001e90  04 0d 00 ff 2e 2e 66 69  6c 74 65 72 63 6f 64 65  |......filtercode|
00001ea0  20 20 20 20 20 3b 20 6c  6f 6f 6b 20 66 6f 72 20  |     ; look for |
00001eb0  41 6c 74 2d 4d 65 6e 75  20 63 6c 69 63 6b 73 0d  |Alt-Menu clicks.|
00001ec0  01 00 33 20 20 20 20 20  20 20 20 20 20 20 20 20  |..3             |
00001ed0  20 20 20 3b 20 70 6f 6c  6c 62 6c 6f 63 6b 20 69  |   ; pollblock i|
00001ee0  73 20 70 6f 69 6e 74 65  64 20 74 6f 20 62 79 20  |s pointed to by |
00001ef0  72 31 0d 01 01 04 0d 01  02 51 20 20 20 20 20 20  |r1.......Q      |
00001f00  20 20 4c 44 52 20 20 20  20 20 72 32 2c 20 5b 52  |  LDR     r2, [R|
00001f10  31 2c 23 38 5d 20 20 20  20 20 20 20 20 20 20 20  |1,#8]           |
00001f20  20 20 3b 20 45 76 65 6e  74 20 77 69 6c 6c 20 62  |  ; Event will b|
00001f30  65 20 65 76 65 6e 74 5f  43 4c 49 43 4b 2c 20 73  |e event_CLICK, s|
00001f40  6f 20 6d 6f 75 73 65 0d  01 03 4c 20 20 20 20 20  |o mouse...L     |
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*
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*
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*
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*
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00002660  24 0d ff                                          |$..|
00002663