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StarInfo/Kemp/ToggleSrc
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.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
| Tape/disk: | Home » Recent acquisitions » Acorn ADFS disks » adfs_AcornUser_199609.adf » Regulars |
| Filename: | StarInfo/Kemp/ToggleSrc |
| Read OK: | ✔ |
| File size: | 1829 bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
1REM --------------------------------------------------------------------------
2REM
3REM Toggle (source)
4REM
5REM Flip the icon bar between top and bottom of the window stack with
6REM the mouse
7REM
8REM by KCE Software (Andrew Kemp)
9REM
10REM LEN March 1996
11REM
12REM --------------------------------------------------------------------------
13
14run%=TRUE
15ON ERROR VDU 7:PRINT REPORT$;" at line ";STR$(ERL):END
16
17REM --------------------------------------------------------------------------
18REM Define some handy constants
19REM --------------------------------------------------------------------------
20
21svc_mode = 3
22version$ = "0.03 (02 Mar 1996)"
23os_file_save = 10
24file$ = "Programming:Assembler.Toggle.Toggle"
25filetype_module = &ffa
26EventV = &10
27os_byte_disable_event = 13
28os_byte_enable_event = 14
29os_byte_insert_character = 138
30event_mousebuttons = 10
31keyboard_buffer = 0
32keyboard_buffer_shift_f12 = &dc : REM see p. 1-892 of PRM
33
34REM --------------------------------------------------------------------------
35REM Define register name aliases
36REM --------------------------------------------------------------------------
37
38sp = 13
39link = 14
40pc = 15
41
42REM --------------------------------------------------------------------------
43REM Build the module
44REM --------------------------------------------------------------------------
45
46DIM code% 300
47PROCassemble
48SYS "OS_File", os_file_save, file$, filetype_module,, code%, O%
49IF run% THEN SYS "OS_CLI", "Run "+file$
50END
51
52:
53
54REM --------------------------------------------------------------------------
55REM Assemble module code
56REM --------------------------------------------------------------------------
57
58DEF PROCassemble
59LOCAL pass%
60FOR pass%=4 TO 6 STEP 2
61P%=0: O%=code%
62
63[ OPT pass%
64
65; ----------------------------------------------------------------------------
66; Module header
67; ----------------------------------------------------------------------------
68
69 DCD 0 ; start code offset
70 DCD module_initialise
71 DCD module_finalise
72 DCD 0 ; service code offset
73 DCD module_title_string
74 DCD module_help_string
75 DCD 0 ; keyword table offset
76
77.module_title_string
78 = "Toggle" + CHR$(0)
79 ALIGN
80
81.module_help_string
82 = "Toggle"
83 = 9
84 = 9
85 = version$ + " � Andrew Kemp" + CHR$(0)
86 ALIGN
87
88; ----------------------------------------------------------------------------
89; Module intialisation
90;
91; Add our routine to the chain for the event vector, and enable the
92; mouse click event
93; ----------------------------------------------------------------------------
94
95.module_initialise
96 STMFD (sp)!, {link}
97 MOV r0, #EventV
98 ADR r1, event_vector_code
99 MOV r2, #0 ; no significance to r2 = 0 - but use
100 SWI "XOS_Claim" ; the same value on release
101
102 MOV r0, #os_byte_enable_event
103 MOV r1, #event_mousebuttons
104 SWI "XOS_Byte"
105 LDMFD (sp)!, {pc}
106
107; ----------------------------------------------------------------------------
108; Module finalisation
109;
110; Disable the mouse buttons event we earlier enabled, and remove our
111; routine from the chain for the event vector
112; ----------------------------------------------------------------------------
113
114.module_finalise
115 STMFD (sp)!, {link}
116 MOV r0, #os_byte_disable_event
117 MOV r1, #event_mousebuttons
118 SWI "XOS_Byte"
119
120 MOV r0, #EventV
121 ADR r1, event_vector_code
122 MOV r2, #0 ; r2 = 0 is simply the value we used
123 SWI "XOS_Release" ; to claim the vector
124 LDMFD (sp)!, {pc}
125
126; ----------------------------------------------------------------------------
127; Our routine to be added to the chain for the event vector
128;
129; r0 = event number (we are only interested in the mouse buttons event)
130;
131; If it is the mouse buttons event then r2 = mouse y-coordinate,
132; r3 = button state
133; ----------------------------------------------------------------------------
134
135.event_vector_code
136 TEQ r0, #event_mousebuttons
137 TEQEQ r2, #0
138 TEQEQ r3, #%010
139 MOVNES pc, link ; pass on the vector if the event is
140 ; not a mouse click with the menu
141 ; button at the bottom of the screen
142
143 STMFD (sp)!, {r0-r3, link}
144
145 MOV r3, pc ; preserve status and processor mode
146 ORR r0, r3, #svc_mode
147 TEQP r0, #0 ; switch to SVC mode
148 MOV r0, r0 ; do a no-op since we just changed mode
149
150 STMFD (sp)!, {link} ; save r14_svc
151 MOV r0, #os_byte_insert_character
152 MOV r1, #keyboard_buffer
153 MOV r2, #keyboard_buffer_shift_f12
154 SWI "XOS_Byte" ; corrupts link (r14_svc)
155 LDMFD (sp)!, {link} ; restore r14_svc
156
157 TEQP r3, #0 ; restore status and processor mode
158 MOV r0, r0 ; do a no-op since we just changed mode
159
160 LDMFD (sp)!, {r0-r3, link, pc} ; return, claiming vector
161
162]
163NEXT pass%
164ENDPROC
P� --------------------------------------------------------------------------
�
� Toggle (source)
�
K� Flip the icon bar between top and bottom of the window stack with
� the mouse
�
'� by KCE Software (Andrew Kemp)
�
� � March 1996
�
P� --------------------------------------------------------------------------
run%=�
#� � � 7:� �$;" at line ";�(�):�
P� --------------------------------------------------------------------------
%� Define some handy constants
P� --------------------------------------------------------------------------
'svc_mode = 3
:version$ = "0.03 (02 Mar 1996)"
(os_file_save = 10
Kfile$ = "Programming:Assembler.Toggle.Toggle"
*filetype_module = &ffa
)EventV = &10
(os_byte_disable_event = 13
(os_byte_enable_event = 14
)os_byte_insert_character = 138
(event_mousebuttons = 10
'keyboard_buffer = 0
Ckeyboard_buffer_shift_f12 = &dc : � see p. 1-892 of PRM
!
"P� --------------------------------------------------------------------------
#&� Define register name aliases
$P� --------------------------------------------------------------------------
%
&(sp = 13
'(link = 14
((pc = 15
)
*P� --------------------------------------------------------------------------
+� Build the module
,P� --------------------------------------------------------------------------
-
.� code% 300
/
�assemble
0Bș "OS_File", os_file_save, file$, filetype_module,, code%, O%
1&� run% � ș "OS_CLI", "Run "+file$
2�
3
4:
5
6P� --------------------------------------------------------------------------
7 � Assemble module code
8P� --------------------------------------------------------------------------
9
:� �assemble
; � pass%
<� pass%=4 � 6 � 2
=P%=0: O%=code%
>
?[ OPT pass%
@
AR; ----------------------------------------------------------------------------
B; Module header
CR; ----------------------------------------------------------------------------
D
E? DCD 0 ; start code offset
F% DCD module_initialise
G# DCD module_finalise
HA DCD 0 ; service code offset
I' DCD module_title_string
J& DCD module_help_string
KB DCD 0 ; keyword table offset
L
M.module_title_string
N# = "Toggle" + �(0)
O ALIGN
P
Q.module_help_string
R = "Toggle"
S = 9
T = 9
U6 = version$ + " � Andrew Kemp" + �(0)
V ALIGN
W
XR; ----------------------------------------------------------------------------
Y ; Module intialisation
Z;
[M; Add our routine to the chain for the event vector, and enable the
\ ; mouse click event
]R; ----------------------------------------------------------------------------
^
_.module_initialise
`! STMFD (sp)!, {link}
a MOV r0, #EventV
b) ADR r1, event_vector_code
cQ MOV r2, #0 ; no significance to r2 = 0 - but use
dG SWI "XOS_Claim" ; the same value on release
e
f- MOV r0, #os_byte_enable_event
g+ MOV r1, #event_mousebuttons
h SWI "XOS_Byte"
i LDMFD (sp)!, {pc}
j
kR; ----------------------------------------------------------------------------
l ; Module finalisation
m;
nN; Disable the mouse buttons event we earlier enabled, and remove our
o7; routine from the chain for the event vector
pR; ----------------------------------------------------------------------------
q
r.module_finalise
s! STMFD (sp)!, {link}
t. MOV r0, #os_byte_disable_event
u+ MOV r1, #event_mousebuttons
v SWI "XOS_Byte"
w
x MOV r0, #EventV
y) ADR r1, event_vector_code
zP MOV r2, #0 ; r2 = 0 is simply the value we used
{A SWI "XOS_Release" ; to claim the vector
| LDMFD (sp)!, {pc}
}
~R; ----------------------------------------------------------------------------
E; Our routine to be added to the chain for the event vector
�;
�Q; r0 = event number (we are only interested in the mouse buttons event)
�;
�J; If it is the mouse buttons event then r2 = mouse y-coordinate,
�C; r3 = button state
�R; ----------------------------------------------------------------------------
�
�.event_vector_code
�+ TEQ r0, #event_mousebuttons
� TEQEQ r2, #0
� TEQEQ r3, #%010
�P MOVNES pc, link ; pass on the vector if the event is
�M ; not a mouse click with the menu
�P ; button at the bottom of the screen
�
�( STMFD (sp)!, {r0-r3, link}
�
�P MOV r3, pc ; preserve status and processor mode
�$ �R r0, r3, #svc_mode
�@ TEQP r0, #0 ; switch to SVC mode
�S MOV r0, r0 ; do a no-op since we just changed mode
�
�: STMFD (sp)!, {link} ; save r14_svc
�1 MOV r0, #os_byte_insert_character
�( MOV r1, #keyboard_buffer
�2 MOV r2, #keyboard_buffer_shift_f12
�E SWI "XOS_Byte" ; corrupts link (r14_svc)
�= LDMFD (sp)!, {link} ; restore r14_svc
�
�O TEQP r3, #0 ; restore status and processor mode
�S MOV r0, r0 ; do a no-op since we just changed mode
�
�M LDMFD (sp)!, {r0-r3, link, pc} ; return, claiming vector
�
�]
� � pass%
��
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*
00000050 0d 00 02 05 f4 0d 00 03 19 f4 20 20 20 20 20 54 |.......... T|
00000060 6f 67 67 6c 65 20 28 73 6f 75 72 63 65 29 0d 00 |oggle (source)..|
00000070 04 05 f4 0d 00 05 4b f4 20 20 20 20 20 46 6c 69 |......K. Fli|
00000080 70 20 74 68 65 20 69 63 6f 6e 20 62 61 72 20 62 |p the icon bar b|
00000090 65 74 77 65 65 6e 20 74 6f 70 20 61 6e 64 20 62 |etween top and b|
000000a0 6f 74 74 6f 6d 20 6f 66 20 74 68 65 20 77 69 6e |ottom of the win|
000000b0 64 6f 77 20 73 74 61 63 6b 20 77 69 74 68 0d 00 |dow stack with..|
000000c0 06 13 f4 20 20 20 20 20 74 68 65 20 6d 6f 75 73 |... the mous|
000000d0 65 0d 00 07 05 f4 0d 00 08 27 f4 20 20 20 20 20 |e........'. |
000000e0 62 79 20 4b 43 45 20 53 6f 66 74 77 61 72 65 20 |by KCE Software |
000000f0 28 41 6e 64 72 65 77 20 4b 65 6d 70 29 0d 00 09 |(Andrew Kemp)...|
00000100 05 f4 0d 00 0a 16 f4 20 20 20 20 20 a9 20 4d 61 |....... . Ma|
00000110 72 63 68 20 31 39 39 36 0d 00 0b 05 f4 0d 00 0c |rch 1996........|
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00000130 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |----------------|
*
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00000220 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |----------------|
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00000270 76 63 5f 6d 6f 64 65 20 20 20 20 20 20 20 20 20 |vc_mode |
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000002a0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
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00000300 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
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00000320 61 6d 6d 69 6e 67 3a 41 73 73 65 6d 62 6c 65 72 |amming:Assembler|
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00000aa0 20 20 20 20 20 20 20 22 54 6f 67 67 6c 65 22 20 | "Toggle" |
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00000b50 77 20 4b 65 6d 70 22 20 2b 20 bd 28 30 29 0d 00 |w Kemp" + .(0)..|
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00000b80 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |----------------|
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00000bc0 2d 2d 2d 2d 2d 0d 00 59 20 3b 20 20 20 20 20 20 |-----..Y ; |
00000bd0 20 4d 6f 64 75 6c 65 20 69 6e 74 69 61 6c 69 73 | Module intialis|
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00000c60 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |----------------|
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00001829 
.