Home » Personal collection » Acorn ADFS disks » Electron » Utilities_2.ADF » UTILITIES/BRAKER
UTILITIES/BRAKER
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 » Personal collection » Acorn ADFS disks » Electron » Utilities_2.ADF |
| Filename: | UTILITIES/BRAKER |
| Read OK: | ✔ |
| File size: | 0474 bytes |
| Load address: | FFFF0E00 |
| Exec address: | FFFF8023 |
Duplicates
There are 5 duplicate copies of this file in the archive:
- Personal collection » Acorn ADFS disks » Electron » MTF_finished_programs.ADF » TAPE3/B/BRAKER
- Personal collection » Acorn ADFS disks » Electron » Finished_programs.ADF » TAPE3/B/BRAKER
- Personal collection » Acorn ADFS disks » Electron » Utilities_1.ADF » UTILITIES/BRAKER
- Personal collection » Acorn ADFS disks » Electron » Utilities_2.ADF » UTILITIES/BRAKER
- Personal collection » Acorn hard disk » zipped_disks » elk03 » finished/TAPE3/B/BRAKER
- Personal collection » Acorn tapes » Own_Work » box02_tape03b_c15_acorn_thunt.wav » BRAKER
File contents
10REM
20REM
30REM
40MODE 6
50*KEY10 OLDMRUNM
60IF ?&20B<&80 CALL!-4
70PRINT'"Braker...puts the brakes on!"
80U%=FNkey("UP")
90D%=FNkey("DOWN")
100PRINT"Where shall I store the code?"
110PRINT"(Hit RETURN if your not sure)":*FX21
120INPUT"Address=&"a$
130IF a$="" a=&110 ELSE a=EVAL("&"+a$)
140vector=&20A
150FOR i=0 TO 2 STEP 2
160P%=a
170[OPT i
180SEI
190LDA vector
200STA osbyte+1
210LDA vector+1
220STA osbyte+2
230LDA #braker MOD 256
240STA vector
250LDA #braker DIV 256
260STA vector+1
270CLI
280RTS
300.braker
310PHP:PHA:TYA:PHA:TXA:PHA
320LDA #&81
330LDX #256-D%
340LDY #&FF
350JSR osbyte
360TYA:BEQ slower
370.faster
380DEC delay:BNE wait:INC delay:BNE wait
390.slower
400LDA #&81:LDX #256-U%:LDY #255:JSR osbyte
410TYA:BEQ wait
420INC delay:BNE wait:DEC delay
430.wait
440LDA delay:PHA
450LDX #0
460.loop
470DEX:BNE loop
480DEC delay:BNE loop
490PLA:STA delay
500PLA:TAX:PLA:TAY:PLA:PLP
510.osbyte
520JMP 0
540.delay
550EQUB 1
560]
570NEXT
580CALL a
590PRINT'"Now load and run the game."
600PRINT'"BREAK disables the routine."
610END
630DEF FNkey(a$)
640PRINT'"Hold down the speed "a$" key:";
650 K%=0
660K%=K%+1:IF K%=127 K%=1
670IF INKEY-K% ELSE 660
680PRINT"ok"CHR$7:*FX21
690IF INKEY-K% GOTO 690
700=K%
�
�
�
(� 6
2*KEY10 OLDMRUNM
<� ?&20B<&80 �!-4
F$�'"Braker...puts the brakes on!"
PU%=�key("UP")
ZD%=�key("DOWN")
d$�"Where shall I store the code?"
n*�"(Hit RETURN if your not sure)":*FX21
x�"Address=&"a$
� � a$="" a=&110 � a=�("&"+a$)
�vector=&20A
�� i=0 � 2 � 2
�P%=a
�
[OPT i
�SEI
�LDA vector
�STA osbyte+1
�LDA vector+1
�STA osbyte+2
�LDA #braker � 256
�STA vector
�LDA #braker � 256
STA vector+1
CLI
RTS
, .braker
6PHP:PHA:TYA:PHA:TXA:PHA
@ LDA #&81
JLDX #256-D%
T LDY #&FF
^JSR osbyte
hTYA:BEQ slower
r .faster
|)DEC delay:BNE wait:INC delay:BNE wait
� .slower
�,LDA #&81:LDX #256-U%:LDY #255:JSR osbyte
�TYA:BEQ wait
� INC delay:BNE wait:DEC delay
� .wait
�LDA delay:PHA
�
LDX #0
� .loop
�DEX:BNE loop
�DEC delay:BNE loop
�PLA:STA delay
�PLA:TAX:PLA:TAY:PLA:PLP
� .osbyte
JMP 0
.delay
&
EQUB 1
0]
:�
D� a
N"�'"Now load and run the game."
X#�'"BREAK disables the routine."
b�
v� �key(a$)
�&�'"Hold down the speed "a$" key:";
� K%=0
�K%=K%+1:� K%=127 K%=1
�� �-K% � �tTB
��"ok"�7:*FX21
�� �-K% � �trB
�=K%
� 00000000 0d 00 0a 05 f4 0d 00 14 05 f4 0d 00 1e 05 f4 0d |................|
00000010 00 28 07 eb 20 36 0d 00 32 13 2a 4b 45 59 31 30 |.(.. 6..2.*KEY10|
00000020 20 4f 4c 44 4d 52 55 4e 4d 0d 00 3c 14 e7 20 3f | OLDMRUNM..<.. ?|
00000030 26 32 30 42 3c 26 38 30 20 d6 21 2d 34 0d 00 46 |&20B<&80 .!-4..F|
00000040 24 f1 27 22 42 72 61 6b 65 72 2e 2e 2e 70 75 74 |$.'"Braker...put|
00000050 73 20 74 68 65 20 62 72 61 6b 65 73 20 6f 6e 21 |s the brakes on!|
00000060 22 0d 00 50 11 55 25 3d a4 6b 65 79 28 22 55 50 |"..P.U%=.key("UP|
00000070 22 29 0d 00 5a 13 44 25 3d a4 6b 65 79 28 22 44 |")..Z.D%=.key("D|
00000080 4f 57 4e 22 29 0d 00 64 24 f1 22 57 68 65 72 65 |OWN")..d$."Where|
00000090 20 73 68 61 6c 6c 20 49 20 73 74 6f 72 65 20 74 | shall I store t|
000000a0 68 65 20 63 6f 64 65 3f 22 0d 00 6e 2a f1 22 28 |he code?"..n*."(|
000000b0 48 69 74 20 52 45 54 55 52 4e 20 69 66 20 79 6f |Hit RETURN if yo|
000000c0 75 72 20 6e 6f 74 20 73 75 72 65 29 22 3a 2a 46 |ur not sure)":*F|
000000d0 58 32 31 0d 00 78 12 e8 22 41 64 64 72 65 73 73 |X21..x.."Address|
000000e0 3d 26 22 61 24 0d 00 82 20 e7 20 61 24 3d 22 22 |=&"a$... . a$=""|
000000f0 20 61 3d 26 31 31 30 20 8b 20 61 3d a0 28 22 26 | a=&110 . a=.("&|
00000100 22 2b 61 24 29 0d 00 8c 0f 76 65 63 74 6f 72 3d |"+a$)....vector=|
00000110 26 32 30 41 0d 00 96 11 e3 20 69 3d 30 20 b8 20 |&20A..... i=0 . |
00000120 32 20 88 20 32 0d 00 a0 08 50 25 3d 61 0d 00 aa |2 . 2....P%=a...|
00000130 0a 5b 4f 50 54 20 69 0d 00 b4 07 53 45 49 0d 00 |.[OPT i....SEI..|
00000140 be 0e 4c 44 41 20 76 65 63 74 6f 72 0d 00 c8 10 |..LDA vector....|
00000150 53 54 41 20 6f 73 62 79 74 65 2b 31 0d 00 d2 10 |STA osbyte+1....|
00000160 4c 44 41 20 76 65 63 74 6f 72 2b 31 0d 00 dc 10 |LDA vector+1....|
00000170 53 54 41 20 6f 73 62 79 74 65 2b 32 0d 00 e6 15 |STA osbyte+2....|
00000180 4c 44 41 20 23 62 72 61 6b 65 72 20 83 20 32 35 |LDA #braker . 25|
00000190 36 0d 00 f0 0e 53 54 41 20 76 65 63 74 6f 72 0d |6....STA vector.|
000001a0 00 fa 16 4c 44 41 20 23 62 72 61 6b 65 72 20 81 |...LDA #braker .|
000001b0 20 32 35 36 20 0d 01 04 13 53 54 41 20 76 65 63 | 256 ....STA vec|
000001c0 74 6f 72 2b 31 20 20 20 0d 01 0e 07 43 4c 49 0d |tor+1 ....CLI.|
000001d0 01 18 07 52 54 53 0d 01 2c 0b 2e 62 72 61 6b 65 |...RTS..,..brake|
000001e0 72 0d 01 36 1b 50 48 50 3a 50 48 41 3a 54 59 41 |r..6.PHP:PHA:TYA|
000001f0 3a 50 48 41 3a 54 58 41 3a 50 48 41 0d 01 40 0c |:PHA:TXA:PHA..@.|
00000200 4c 44 41 20 23 26 38 31 0d 01 4a 0f 4c 44 58 20 |LDA #&81..J.LDX |
00000210 23 32 35 36 2d 44 25 0d 01 54 0c 4c 44 59 20 23 |#256-D%..T.LDY #|
00000220 26 46 46 0d 01 5e 0e 4a 53 52 20 6f 73 62 79 74 |&FF..^.JSR osbyt|
00000230 65 0d 01 68 12 54 59 41 3a 42 45 51 20 73 6c 6f |e..h.TYA:BEQ slo|
00000240 77 65 72 0d 01 72 0b 2e 66 61 73 74 65 72 0d 01 |wer..r..faster..|
00000250 7c 29 44 45 43 20 64 65 6c 61 79 3a 42 4e 45 20 ||)DEC delay:BNE |
00000260 77 61 69 74 3a 49 4e 43 20 64 65 6c 61 79 3a 42 |wait:INC delay:B|
00000270 4e 45 20 77 61 69 74 0d 01 86 0b 2e 73 6c 6f 77 |NE wait.....slow|
00000280 65 72 0d 01 90 2c 4c 44 41 20 23 26 38 31 3a 4c |er...,LDA #&81:L|
00000290 44 58 20 23 32 35 36 2d 55 25 3a 4c 44 59 20 23 |DX #256-U%:LDY #|
000002a0 32 35 35 3a 4a 53 52 20 6f 73 62 79 74 65 0d 01 |255:JSR osbyte..|
000002b0 9a 10 54 59 41 3a 42 45 51 20 77 61 69 74 0d 01 |..TYA:BEQ wait..|
000002c0 a4 20 49 4e 43 20 64 65 6c 61 79 3a 42 4e 45 20 |. INC delay:BNE |
000002d0 77 61 69 74 3a 44 45 43 20 64 65 6c 61 79 0d 01 |wait:DEC delay..|
000002e0 ae 09 2e 77 61 69 74 0d 01 b8 11 4c 44 41 20 64 |...wait....LDA d|
000002f0 65 6c 61 79 3a 50 48 41 0d 01 c2 0a 4c 44 58 20 |elay:PHA....LDX |
00000300 23 30 0d 01 cc 09 2e 6c 6f 6f 70 0d 01 d6 10 44 |#0.....loop....D|
00000310 45 58 3a 42 4e 45 20 6c 6f 6f 70 0d 01 e0 16 44 |EX:BNE loop....D|
00000320 45 43 20 64 65 6c 61 79 3a 42 4e 45 20 6c 6f 6f |EC delay:BNE loo|
00000330 70 0d 01 ea 11 50 4c 41 3a 53 54 41 20 64 65 6c |p....PLA:STA del|
00000340 61 79 0d 01 f4 1b 50 4c 41 3a 54 41 58 3a 50 4c |ay....PLA:TAX:PL|
00000350 41 3a 54 41 59 3a 50 4c 41 3a 50 4c 50 0d 01 fe |A:TAY:PLA:PLP...|
00000360 0b 2e 6f 73 62 79 74 65 0d 02 08 09 4a 4d 50 20 |..osbyte....JMP |
00000370 30 0d 02 1c 0a 2e 64 65 6c 61 79 0d 02 26 0a 45 |0.....delay..&.E|
00000380 51 55 42 20 31 0d 02 30 05 5d 0d 02 3a 05 ed 0d |QUB 1..0.]..:...|
00000390 02 44 07 d6 20 61 0d 02 4e 22 f1 27 22 4e 6f 77 |.D.. a..N".'"Now|
000003a0 20 6c 6f 61 64 20 61 6e 64 20 72 75 6e 20 74 68 | load and run th|
000003b0 65 20 67 61 6d 65 2e 22 0d 02 58 23 f1 27 22 42 |e game."..X#.'"B|
000003c0 52 45 41 4b 20 64 69 73 61 62 6c 65 73 20 74 68 |REAK disables th|
000003d0 65 20 72 6f 75 74 69 6e 65 2e 22 0d 02 62 05 e0 |e routine."..b..|
000003e0 0d 02 76 10 dd 20 a4 6b 65 79 28 61 24 29 20 20 |..v.. .key(a$) |
000003f0 0d 02 80 26 f1 27 22 48 6f 6c 64 20 64 6f 77 6e |...&.'"Hold down|
00000400 20 74 68 65 20 73 70 65 65 64 20 22 61 24 22 20 | the speed "a$" |
00000410 6b 65 79 3a 22 3b 0d 02 8a 09 20 4b 25 3d 30 0d |key:";.... K%=0.|
00000420 02 94 19 4b 25 3d 4b 25 2b 31 3a e7 20 4b 25 3d |...K%=K%+1:. K%=|
00000430 31 32 37 20 4b 25 3d 31 0d 02 9e 11 e7 20 a6 2d |127 K%=1..... .-|
00000440 4b 25 20 8b 20 8d 74 54 42 0d 02 a8 11 f1 22 6f |K% . .tTB....."o|
00000450 6b 22 bd 37 3a 2a 46 58 32 31 0d 02 b2 11 e7 20 |k".7:*FX21..... |
00000460 a6 2d 4b 25 20 e5 20 8d 74 72 42 0d 02 bc 07 3d |.-K% . .trB....=|
00000470 4b 25 0d ff |K%..|
00000474 
UTILITIES/BRAKER.m0
UTILITIES/BRAKER.m1
UTILITIES/BRAKER.m2
UTILITIES/BRAKER.m4
UTILITIES/BRAKER.m5
.