Home » Personal collection » Acorn tapes » Electron_User » Electron_User_tape33b_acorn_eu_1992_april.wav » Q.MapL

Q.MapL

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 tapes » Electron_User » Electron_User_tape33b_acorn_eu_1992_april.wav
Filename: Q.MapL
Read OK:
File size: 13A6 bytes
Load address: FFFF1900
Exec address: FFFF801F
Duplicates

There are 3 duplicate copies of this file in the archive:

File contents
   10MODE1
   20PRINT"BEEB BODY BUILDING COURSE"
   30PRINT"SOUND SAMPLER"
   40PRINT"MACHINE CODE INITILISER"
   50PRINT"FOR SOUND MANAPULATOR"
   60PRINT"By Mike Cook"
   70PRINT
   80HIMEM=&2E00
   90LOOK%=&2E00
  100PROC_INT
  110PROC_INT2
  120PROC_INSTRUCTIONS
  130CHAIN"MapB"
  140DEF PROC_INT
  160BA=&FE61
  180?&86=&80:?&80=00:?&81=00
  190M%=LOOK%
  200FOR A%=0 TO 31
  210FOR B%=0 TO 7
  220T%=A%*&140+B%+&5800
  230?M%=T% MOD 256
  240M%?&100=T% DIV 256
  250M%=M%+1
  260NEXT:NEXT
  270FOR PASS=0 TO 2 STEP 2
  280P%=&A00
  290[
  300OPT PASS
  310.SETUP \ INITILISE
  320SEI \ DISABLE INTERRUPTS
  330LDA #6:STA &FE62
  340LDA #&40
  350LDY #0
  360STA &FE6B \ ENABLE TIMER 1
  370LDA #&C0
  380STA &FE6E \ ENABLE INTERRUPT
  390LDA #0
  400STA &FE65 \ START IT OFF
  410RTS
  420.G% \ GET SAMPLE INTO MEMORY
  430JSR SETUP
  440.HOLD
  450LDA &FE6D \ GET INTERRUPT FLAG
  460BPL HOLD \ LOOP UNTIL TIME OUT
  470STA &FE6D \ CLEAR INTERRUPT
  480JSR sin \ GET SAMPLE
  500STA (&70),Y
  510INY
  520BNE HOLD \ GET ANOTHER
  530INC &71 \ INCREASE MS POINTER
  540LDA #&70
  550CMP &71 \ REACHED LIMIT ?
  560BNE HOLD \ BRANCH IF NOT
  570.FIN LDA #&40
  580STA &FE6E \ DISABLE T1 INTERRUPT
  590STA &FE6D \ CLEAR ANY INTERRUPTS
  600CLI \ ENABLE SYSTEM INTERRUPTS
  610LDA #&80
  620STA BA \ LEAVE AT DC LEVEL ZERO
  630RTS
  640.U% \ PLAY A SAMPLE
  650JSR SETUP
  660LDA #&80
  670STA BA \ SET DC LEVEL
  680.PAUSE
  690LDA &72 \ TRANSFER START ADDRESS
  700STA &70
  710LDA &73
  720STA &71
  730.HOUT
  740LDA &FE6D \ GET INTERRUPT FLAG
  750BPL HOUT \ LOOP UNTIL TIME OUT
  760STA &FE6D \ CLEAR INTERRUPT
  770LDA (&70),Y \ GET A SAMPLE
  780STA BA \ OUTPUT IT
  790INY
  800BNE HOUT \ GET ANOTHER
  810INC &71 \ INCREASE MS POINTER
  820LDA &80
  830CMP &71 \ REACHED LIMIT ?
  840BNE HOUT \ BRANCH IF NOT
  850JMP FIN
  860\DISPLAY SAMPLES
  870.L% LDX #0
  880STX &87
  890STX &80
  900.LOOP LDY &80
  910LDA (&70),Y  \GET VALUE TO PLOT
  920ROR A \ SCALE IT
  930ROR A
  940ROR A
  950ROR A
  960AND #&F
  970CLC
  980ADC &74 \ POSITION IT
  990TAY
 1000LDA LOOK%,Y  \LOOK UP LSB OF FIRST COLOUM
 1010CLC
 1020ADC &87     \ADD X VALUE
 1030STA &84     \STORE MSB OF PLOT ADDRESS
 1040LDA LOOK%+&100,Y  \LOOK UP MSB OF FIRST COLOUM
 1050ADC #0      \ADD X VALUE
 1060STA &85   \STORE MSB OF PLOT ADDRESS
 1070LDX #0
 1080\PLOT OF POINT ON THE SCREEN
 1090LDA (&84,X)   \GET DISPLAY BYTE
 1100ORA &86       \SET APPROPRIATE BIT
 1110STA (&84,X)   \WRITE TO SCREEN
 1120\MOVE POINTERS TO NEXT X POSITION
 1130INC &80  \X POINTER
 1140ROR &86  \PIXEL MASK
 1150BCC LOOP
 1160LDA #&80      \RESTORE MASK BIT
 1170STA &86
 1180LDA #7   \ADD 8 TO X VALUE
 1190ADC &87 \IT IS 8 AS CARRY IS SET
 1200STA &87
 1210BNE LOOP  \LOOP IF NOT FINISHED ALL POINTS
 1220RTS        \FINISH WHEN SPACE PRESSED
 1230.J% \ MERGE TO SOUND SAMPLES
 1240LDY #0
 1250.LOOP
 1260LDA (&70),Y \ GET SAMPLE OF ONE SOUND
 1270CLC
 1280ROR A
 1290STA &74 \ TEMP STORE
 1300LDA (&72),Y \ GET SAMPLE OF OTHER SOUND
 1310CLC
 1320ROR A
 1330ADC &74 \ ADD THE TWO
 1340STA (&70),Y \ PUT IT BACK
 1350INY
 1360BNE LOOP \ DO NEXT SAMPLE
 1370INC &71 \ MOVE ON MOST SIG BITS
 1380INC &73 \ OF POINTERS
 1390LDA #&50
 1400CMP &71 \ SEE IF WE HAVE DONE ALL
 1410BNE LOOP \ BRANCH IF NOT
 1420RTS
 1421.sin \ Sample In
 1422LDX #10:LDA #0
 1423STA &FE60
 1424.SLOOP
 1425LDA &FE60
 1426LSR A:ROL &7D
 1427LDA #2:STA &FE60
 1428LDA #0:STA &FE60
 1429DEX : BNE SLOOP
 1430LDA #6:STA &FE60
 1431LDA &7D
 1432RTS
 1433]
 1440NEXT
 1450ENDPROC
 1460DEF PROC_INSTRUCTIONS
 1470CLS
 1480PRINT
 1490PRINT"BEEB BODY BUILDING COURSE"
 1500PRINT"SOUND SAMPLE MANAPULATOR"
 1510PRINT"MARCH 1985"
 1520PRINT"By Mike Cook"
 1530PRINT
 1540PRINT"Options are:-"
 1550PRINT"S  - Sample input"
 1560PRINT"sp - Play back sample"
 1570PRINT"8  - Play back 8K of sample"
 1580PRINT"R  - Rate of digitising"
 1590PRINT"P  - Plot the waveform"
 1600PRINT"C  - Clear a section of waveform"
 1610PRINT"F  - Fraction of waveform section"
 1620PRINT"M  - Mark a waveform section"
 1630PRINT"V  - Varie between pointer and mark"
 1640PRINT"L  - Load in a waveform"
 1650PRINT"D  - Dump out a waveform"
 1660PRINT"J  - Join this waveform to a stored one"
 1670PRINT"T  - Tune playd with sample"
 1680PRINT"K  - Keyboard playing of sample"
 1690PRINT
 1700PRINT"Use cursor keys to move pointer"
 1710PRINT
 1720PRINT"Press any key to load the main file"
 1730A$=GET$
 1740ENDPROC
 1750DEF PROC_INT2
 1760?&78=8
 1770FOR A%=0 TO 2 STEP 2
 1780P%=&C00
 1790[
 1800OPT A%
 1810.Q% \ SYNTHESISE A NOTE
 1820LDX &78 \ SET UP NUMBER OF TABLES TO USE
 1830LDA &79 \ SET UP ADDRESS OF
 1840STA &72 \ START OF WAVEFORM TABLES
 1850LDA &7A
 1860STA &73
 1870SEI \ DISABLE INTERRUPTS FROM THE SYSTEM
 1880LDA #&E0 \ ENABLE THE TWO TIMERS
 1890STA &FE6E
 1900LDA #&70 \ INITIALISE T1
 1910STA &FE64 \ LOW ORDER COUNT
 1920STA &FE66 \ LOW ORDER LATCH
 1930LDA #0
 1940STA &FE67 \ HIGH ORDER LATCH
 1950STA &FE65 \ START T1 RUNNING
 1960.ST2 \ START T2
 1970LDA #&FF
 1980STA &FE68
 1990LDA &76 \ VALUE FROM MEMORY
 2000STA &FE69
 2010.HOLD1 \ LOOP UNTIL T1 TIMEOUT
 2020LDA #&40
 2030.HOLD2 BIT &FE6D \ SEE IF T1 IS READY
 2040BEQ HOLD2
 2050STA &FE6D \CLEAR INTERRUPT FLAG
 2060\ MOVE ON THE ENTRY POINTER
 2070CLC
 2080LDA &74 \ INCREMENT VALUE
 2090ADC &70
 2100STA &70
 2110LDA &75
 2120ADC &71
 2130STA &71
 2140LDY &71 \ NUMBER OF ENTRY TO GET
 2150LDA (&72),Y \ GET ENTRY IN TABLE GIVEN BY &72,&73
 2160STA BA \ OUTPUT IT TO D/A
 2170BCC HOLD1
 2180LDA #&20 \ LOOK FOR T2 TIMEOUT
 2190BIT &FE6D
 2200BEQ HOLD1 \ NEXT ENTRY IF NOT TIMED OUT
 2210STA &FE6D \ RESET INTERRUPT FLAG
 2220INC &73 \ MOVE TABLE ONTO THE NEXT ONE
 2230DEX \ TABLES TO GO VALUE
 2240BNE ST2 \ BACK TO START T2 AGAIN
 2250LDA #&60 \ DISABLE THE TWO TIMERS
 2260STA &FE6E
 2270LDA #128 \ SET OUTPUT TO MID POINT
 2280STA BA
 2290CLI \ ENABLE SYSTEM INTERRUPTS
 2300RTS
 2310]
 2320NEXT
 2330?&79=&00
 2340?&7A=&30
 2350ENDPROC

�1
 �"BEEB BODY BUILDING COURSE"
�"SOUND SAMPLER"
(�"MACHINE CODE INITILISER"
2�"FOR SOUND MANAPULATOR"
<�"By Mike Cook"
F�
P�=&2E00
ZLOOK%=&2E00
d	�_INT
n
�_INT2
x�_INSTRUCTIONS
��"MapB"
�� �_INT
�BA=&FE61
�?&86=&80:?&80=00:?&81=00
�M%=LOOK%
�� A%=0 � 31
�� B%=0 � 7
�T%=A%*&140+B%+&5800
�?M%=T% � 256
�M%?&100=T% � 256
�M%=M%+1
�:�
� PASS=0 � 2 � 2
P%=&A00
"[
,OPT PASS
6.SETUP \ INITILISE
@SEI \ DISABLE �ERRUPTS
JLDA #6:STA &FE62
TLDA #&40
^
LDY #0
hSTA &FE6B \ ENABLE TIMER 1
rLDA #&C0
|STA &FE6E \ ENABLE �ERRUPT
�
LDA #0
�STA &FE65 \ START IT �
�RTS
�.G% \ � SAMPLE �O MEMORY
�
JSR SETUP
�	.HOLD
�LDA &FE6D \ � �ERRUPT FLAG
�BPL HOLD \ LOOP � � OUT
�STA &FE6D \ � �ERRUPT
�JSR sin \ � SAMPLE
�STA (&70),Y
�INY
BNE HOLD \ � ANOTHER
!INC &71 \ INCREASE MS POINTER
LDA #&70
&CMP &71 \ REACHED LIMIT ?
0BNE HOLD \ BRANCH � �
:.FIN LDA #&40
D"STA &FE6E \ DISABLE T1 �ERRUPT
NSTA &FE6D \ � ANY �ERRUPTS
X CLI \ ENABLE SYSTEM �ERRUPTS
bLDA #&80
l#STA BA \ LEAVE AT DC LEVEL ZERO
vRTS
�.U% \ PLAY A SAMPLE
�
JSR SETUP
�LDA #&80
�STA BA \ SET DC LEVEL
�
.PAUSE
�$LDA &72 \ TRANSFER START ADDRESS
�STA &70
�LDA &73
�STA &71
�	.HOUT
�LDA &FE6D \ � �ERRUPT FLAG
�BPL HOUT \ LOOP � � OUT
�STA &FE6D \ � �ERRUPT
LDA (&70),Y \ � A SAMPLE
STA BA \ OUTPUT IT
INY
 BNE HOUT \ � ANOTHER
*!INC &71 \ INCREASE MS POINTER
4LDA &80
>CMP &71 \ REACHED LIMIT ?
HBNE HOUT \ BRANCH � �
RJMP FIN
\\DISPLAY SAMPLES
f.L% LDX #0
pSTX &87
zSTX &80
�.LOOP LDY &80
�LDA (&70),Y  \� �UE � �
�ROR A \ SCALE IT
�	ROR A
�	ROR A
�	ROR A
�	� #&F
�CLC
�ADC &74 \ POSITION IT
�TAY
�-LDA LOOK%,Y  \LOOK UP LSB OF FIRST COLOUM
�CLC
�ADC &87     \ADD X �UE
'STA &84     \STORE MSB OF � ADDRESS
2LDA LOOK%+&100,Y  \LOOK UP MSB OF FIRST COLOUM
ADC #0      \ADD X �UE
$%STA &85   \STORE MSB OF � ADDRESS
.
LDX #0
8\� � POINT � THE SCREEN
B!LDA (&84,X)   \� DISPLAY BYTE
L%�A &86       \SET APPROPRIATE BIT
V!STA (&84,X)   \WRITE � SCREEN
`\� POINTERS � � X POSITION
jINC &80  \X POINTER
tROR &86  \PIXEL MASK
~BCC LOOP
�LDA #&80      \� MASK BIT
�STA &86
�LDA #7   \ADD 8 � X �UE
�$ADC &87 \IT IS 8 AS CARRY IS SET
�STA &87
�+BNE LOOP  \LOOP � � FINISHED ALL POINTS
�)RTS        \FINISH WHEN SPACE PRESSED
�.J% \ MERGE � � SAMPLES
�
LDY #0
�	.LOOP
�"LDA (&70),Y \ � SAMPLE OF �E �
�CLC
	ROR A

STA &74 \ TEMP STORE
%LDA (&72),Y \ � SAMPLE OF OTHER �
CLC
(	ROR A
2ADC &74 \ ADD THE TWO
<STA (&70),Y \ PUT IT BACK
FINY
PBNE LOOP \ DO � SAMPLE
ZINC &71 \ � � MOST SIG BITS
dINC &73 \ OF POINTERS
nLDA #&50
x$CMP &71 \ SEE � WE HAVE DONE ALL
�BNE LOOP \ BRANCH � �
�RTS
�.sin \ Sample In
�LDX #10:LDA #0
�
STA &FE60
�
.SLOOP
�
LDA &FE60
�LSR A:ROL &7D
�LDA #2:STA &FE60
�LDA #0:STA &FE60
�DEX : BNE SLOOP
�LDA #6:STA &FE60
�LDA &7D
�RTS
�]
��
��
�� �_INSTRUCTIONS
��
��
� �"BEEB BODY BUILDING COURSE"
��"SOUND SAMPLE MANAPULATOR"
��"MARCH 1985"
��"By Mike Cook"
��
�"Options are:-"
�"S  - Sample input"
�"sp - Play back sample"
""�"8  - Play back 8K of sample"
,�"R  - Rate of digitising"
6�"P  - Plot the waveform"
@'�"C  - Clear a section of waveform"
J(�"F  - Fraction of waveform section"
T#�"M  - Mark a waveform section"
^*�"V  - Varie between pointer and mark"
h�"L  - Load in a waveform"
r�"D  - Dump out a waveform"
|.�"J  - Join this waveform to a stored one"
�"�"T  - Tune playd with sample"
�&�"K  - Keyboard playing of sample"
��
�&�"Use cursor keys to move pointer"
��
�*�"Press any key to load the main file"
�A$=�
��
�� �_INT2
�
?&78=8
�� A%=0 � 2 � 2
�P%=&C00
�[

OPT A%
.Q% \ SYNTHESISE A �E
+LDX &78 \ SET UP NUMBER OF TABLES � USE
&LDA &79 \ SET UP ADDRESS OF
0&STA &72 \ START OF WAVEFORM TABLES
:LDA &7A
DSTA &73
N*SEI \ DISABLE �ERRUPTS FROM THE SYSTEM
X$LDA #&E0 \ ENABLE THE TWO TIMERS
b
STA &FE6E
lLDA #&70 \ INITIALISE T1
vSTA &FE64 \ LOW �DER �
�STA &FE66 \ LOW �DER LATCH
�
LDA #0
�STA &FE67 \ HIGH �DER LATCH
� STA &FE65 \ START T1 RUNNING
�.ST2 \ START T2
�LDA #&FF
�
STA &FE68
�LDA &76 \ �UE FROM MEMORY
�
STA &FE69
�.HOLD1 \ LOOP � T1 TIMEOUT
�LDA #&40
�%.HOLD2 BIT &FE6D \ SEE � T1 IS �Y
�
BEQ HOLD2
STA &FE6D \� �ERRUPT FLAG
\ � � THE ENTRY POINTER
CLC
 LDA &74 \ INCREMENT �UE
*ADC &70
4STA &70
>LDA &75
HADC &71
RSTA &71
\!LDY &71 \ NUMBER OF ENTRY � �
f3LDA (&72),Y \ � ENTRY IN TABLE GIVEN BY &72,&73
pSTA BA \ OUTPUT IT � D/A
z
BCC HOLD1
� LDA #&20 \ LOOK � T2 TIMEOUT
�
BIT &FE6D
�%BEQ HOLD1 \ � ENTRY � � TIMED OUT
�"STA &FE6D \ RESET �ERRUPT FLAG
�!INC &73 \ � TABLE � THE � �E
�DEX \ TABLES � GO �UE
�#BNE ST2 \ BACK � START T2 AGAIN
�%LDA #&60 \ DISABLE THE TWO TIMERS
�
STA &FE6E
�%LDA #128 \ SET OUTPUT � MID POINT
�
STA BA
� CLI \ ENABLE SYSTEM �ERRUPTS
�RTS
	]
	�
	?&79=&00
	$?&7A=&30
	.�
�
00000000  0d 00 0a 06 eb 31 0d 00  14 20 f1 22 42 45 45 42  |.....1... ."BEEB|
00000010  20 42 4f 44 59 20 42 55  49 4c 44 49 4e 47 20 43  | BODY BUILDING C|
00000020  4f 55 52 53 45 22 0d 00  1e 14 f1 22 53 4f 55 4e  |OURSE"....."SOUN|
00000030  44 20 53 41 4d 50 4c 45  52 22 0d 00 28 1e f1 22  |D SAMPLER"..(.."|
00000040  4d 41 43 48 49 4e 45 20  43 4f 44 45 20 49 4e 49  |MACHINE CODE INI|
00000050  54 49 4c 49 53 45 52 22  0d 00 32 1c f1 22 46 4f  |TILISER"..2.."FO|
00000060  52 20 53 4f 55 4e 44 20  4d 41 4e 41 50 55 4c 41  |R SOUND MANAPULA|
00000070  54 4f 52 22 0d 00 3c 13  f1 22 42 79 20 4d 69 6b  |TOR"..<.."By Mik|
00000080  65 20 43 6f 6f 6b 22 0d  00 46 05 f1 0d 00 50 0b  |e Cook"..F....P.|
00000090  d3 3d 26 32 45 30 30 0d  00 5a 0f 4c 4f 4f 4b 25  |.=&2E00..Z.LOOK%|
000000a0  3d 26 32 45 30 30 0d 00  64 09 f2 5f 49 4e 54 0d  |=&2E00..d.._INT.|
000000b0  00 6e 0a f2 5f 49 4e 54  32 0d 00 78 12 f2 5f 49  |.n.._INT2..x.._I|
000000c0  4e 53 54 52 55 43 54 49  4f 4e 53 0d 00 82 0b d7  |NSTRUCTIONS.....|
000000d0  22 4d 61 70 42 22 0d 00  8c 0b dd 20 f2 5f 49 4e  |"MapB"..... ._IN|
000000e0  54 0d 00 a0 0c 42 41 3d  26 46 45 36 31 0d 00 b4  |T....BA=&FE61...|
000000f0  1c 3f 26 38 36 3d 26 38  30 3a 3f 26 38 30 3d 30  |.?&86=&80:?&80=0|
00000100  30 3a 3f 26 38 31 3d 30  30 0d 00 be 0c 4d 25 3d  |0:?&81=00....M%=|
00000110  4c 4f 4f 4b 25 0d 00 c8  0f e3 20 41 25 3d 30 20  |LOOK%..... A%=0 |
00000120  b8 20 33 31 0d 00 d2 0e  e3 20 42 25 3d 30 20 b8  |. 31..... B%=0 .|
00000130  20 37 0d 00 dc 17 54 25  3d 41 25 2a 26 31 34 30  | 7....T%=A%*&140|
00000140  2b 42 25 2b 26 35 38 30  30 0d 00 e6 10 3f 4d 25  |+B%+&5800....?M%|
00000150  3d 54 25 20 83 20 32 35  36 0d 00 f0 14 4d 25 3f  |=T% . 256....M%?|
00000160  26 31 30 30 3d 54 25 20  81 20 32 35 36 0d 00 fa  |&100=T% . 256...|
00000170  0b 4d 25 3d 4d 25 2b 31  0d 01 04 07 ed 3a ed 0d  |.M%=M%+1.....:..|
00000180  01 0e 14 e3 20 50 41 53  53 3d 30 20 b8 20 32 20  |.... PASS=0 . 2 |
00000190  88 20 32 0d 01 18 0b 50  25 3d 26 41 30 30 0d 01  |. 2....P%=&A00..|
000001a0  22 05 5b 0d 01 2c 0c 4f  50 54 20 50 41 53 53 0d  |".[..,.OPT PASS.|
000001b0  01 36 16 2e 53 45 54 55  50 20 5c 20 49 4e 49 54  |.6..SETUP \ INIT|
000001c0  49 4c 49 53 45 0d 01 40  1a 53 45 49 20 5c 20 44  |ILISE..@.SEI \ D|
000001d0  49 53 41 42 4c 45 20 a8  45 52 52 55 50 54 53 0d  |ISABLE .ERRUPTS.|
000001e0  01 4a 14 4c 44 41 20 23  36 3a 53 54 41 20 26 46  |.J.LDA #6:STA &F|
000001f0  45 36 32 0d 01 54 0c 4c  44 41 20 23 26 34 30 0d  |E62..T.LDA #&40.|
00000200  01 5e 0a 4c 44 59 20 23  30 0d 01 68 1e 53 54 41  |.^.LDY #0..h.STA|
00000210  20 26 46 45 36 42 20 5c  20 45 4e 41 42 4c 45 20  | &FE6B \ ENABLE |
00000220  54 49 4d 45 52 20 31 0d  01 72 0c 4c 44 41 20 23  |TIMER 1..r.LDA #|
00000230  26 43 30 0d 01 7c 1e 53  54 41 20 26 46 45 36 45  |&C0..|.STA &FE6E|
00000240  20 5c 20 45 4e 41 42 4c  45 20 a8 45 52 52 55 50  | \ ENABLE .ERRUP|
00000250  54 0d 01 86 0a 4c 44 41  20 23 30 0d 01 90 1a 53  |T....LDA #0....S|
00000260  54 41 20 26 46 45 36 35  20 5c 20 53 54 41 52 54  |TA &FE65 \ START|
00000270  20 49 54 20 87 0d 01 9a  07 52 54 53 0d 01 a4 1c  | IT .....RTS....|
00000280  2e 47 25 20 5c 20 a5 20  53 41 4d 50 4c 45 20 a8  |.G% \ . SAMPLE .|
00000290  4f 20 4d 45 4d 4f 52 59  0d 01 ae 0d 4a 53 52 20  |O MEMORY....JSR |
000002a0  53 45 54 55 50 0d 01 b8  09 2e 48 4f 4c 44 0d 01  |SETUP.....HOLD..|
000002b0  c2 1e 4c 44 41 20 26 46  45 36 44 20 5c 20 a5 20  |..LDA &FE6D \ . |
000002c0  a8 45 52 52 55 50 54 20  46 4c 41 47 0d 01 cc 1b  |.ERRUPT FLAG....|
000002d0  42 50 4c 20 48 4f 4c 44  20 5c 20 4c 4f 4f 50 20  |BPL HOLD \ LOOP |
000002e0  fd 20 91 20 4f 55 54 0d  01 d6 19 53 54 41 20 26  |. . OUT....STA &|
000002f0  46 45 36 44 20 5c 20 d8  20 a8 45 52 52 55 50 54  |FE6D \ . .ERRUPT|
00000300  0d 01 e0 16 4a 53 52 20  73 69 6e 20 5c 20 a5 20  |....JSR sin \ . |
00000310  53 41 4d 50 4c 45 0d 01  f4 0f 53 54 41 20 28 26  |SAMPLE....STA (&|
00000320  37 30 29 2c 59 0d 01 fe  07 49 4e 59 0d 02 08 18  |70),Y....INY....|
00000330  42 4e 45 20 48 4f 4c 44  20 5c 20 a5 20 41 4e 4f  |BNE HOLD \ . ANO|
00000340  54 48 45 52 0d 02 12 21  49 4e 43 20 26 37 31 20  |THER...!INC &71 |
00000350  5c 20 49 4e 43 52 45 41  53 45 20 4d 53 20 50 4f  |\ INCREASE MS PO|
00000360  49 4e 54 45 52 0d 02 1c  0c 4c 44 41 20 23 26 37  |INTER....LDA #&7|
00000370  30 0d 02 26 1d 43 4d 50  20 26 37 31 20 5c 20 52  |0..&.CMP &71 \ R|
00000380  45 41 43 48 45 44 20 4c  49 4d 49 54 20 3f 0d 02  |EACHED LIMIT ?..|
00000390  30 19 42 4e 45 20 48 4f  4c 44 20 5c 20 42 52 41  |0.BNE HOLD \ BRA|
000003a0  4e 43 48 20 e7 20 ac 0d  02 3a 11 2e 46 49 4e 20  |NCH . ...:..FIN |
000003b0  4c 44 41 20 23 26 34 30  0d 02 44 22 53 54 41 20  |LDA #&40..D"STA |
000003c0  26 46 45 36 45 20 5c 20  44 49 53 41 42 4c 45 20  |&FE6E \ DISABLE |
000003d0  54 31 20 a8 45 52 52 55  50 54 0d 02 4e 1e 53 54  |T1 .ERRUPT..N.ST|
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00001190  35 0d 08 48 0b 41 44 43  20 26 37 31 0d 08 52 0b  |5..H.ADC &71..R.|
000011a0  53 54 41 20 26 37 31 0d  08 5c 21 4c 44 59 20 26  |STA &71..\!LDY &|
000011b0  37 31 20 5c 20 4e 55 4d  42 45 52 20 4f 46 20 45  |71 \ NUMBER OF E|
000011c0  4e 54 52 59 20 b8 20 a5  0d 08 66 33 4c 44 41 20  |NTRY . ...f3LDA |
000011d0  28 26 37 32 29 2c 59 20  5c 20 a5 20 45 4e 54 52  |(&72),Y \ . ENTR|
000011e0  59 20 49 4e 20 54 41 42  4c 45 20 47 49 56 45 4e  |Y IN TABLE GIVEN|
000011f0  20 42 59 20 26 37 32 2c  26 37 33 0d 08 70 1c 53  | BY &72,&73..p.S|
00001200  54 41 20 42 41 20 5c 20  4f 55 54 50 55 54 20 49  |TA BA \ OUTPUT I|
00001210  54 20 b8 20 44 2f 41 0d  08 7a 0d 42 43 43 20 48  |T . D/A..z.BCC H|
00001220  4f 4c 44 31 0d 08 84 20  4c 44 41 20 23 26 32 30  |OLD1... LDA #&20|
00001230  20 5c 20 4c 4f 4f 4b 20  e3 20 54 32 20 54 49 4d  | \ LOOK . T2 TIM|
00001240  45 4f 55 54 0d 08 8e 0d  42 49 54 20 26 46 45 36  |EOUT....BIT &FE6|
00001250  44 0d 08 98 25 42 45 51  20 48 4f 4c 44 31 20 5c  |D...%BEQ HOLD1 \|
00001260  20 ed 20 45 4e 54 52 59  20 e7 20 ac 20 54 49 4d  | . ENTRY . . TIM|
00001270  45 44 20 4f 55 54 0d 08  a2 22 53 54 41 20 26 46  |ED OUT..."STA &F|
00001280  45 36 44 20 5c 20 52 45  53 45 54 20 a8 45 52 52  |E6D \ RESET .ERR|
00001290  55 50 54 20 46 4c 41 47  0d 08 ac 21 49 4e 43 20  |UPT FLAG...!INC |
000012a0  26 37 33 20 5c 20 ec 20  54 41 42 4c 45 20 ee b8  |&73 \ . TABLE ..|
000012b0  20 54 48 45 20 ed 20 ee  45 0d 08 b6 19 44 45 58  | THE . .E....DEX|
000012c0  20 5c 20 54 41 42 4c 45  53 20 b8 20 47 4f 20 bb  | \ TABLES . GO .|
000012d0  55 45 0d 08 c0 23 42 4e  45 20 53 54 32 20 5c 20  |UE...#BNE ST2 \ |
000012e0  42 41 43 4b 20 b8 20 53  54 41 52 54 20 54 32 20  |BACK . START T2 |
000012f0  41 47 41 49 4e 0d 08 ca  25 4c 44 41 20 23 26 36  |AGAIN...%LDA #&6|
00001300  30 20 5c 20 44 49 53 41  42 4c 45 20 54 48 45 20  |0 \ DISABLE THE |
00001310  54 57 4f 20 54 49 4d 45  52 53 0d 08 d4 0d 53 54  |TWO TIMERS....ST|
00001320  41 20 26 46 45 36 45 0d  08 de 25 4c 44 41 20 23  |A &FE6E...%LDA #|
00001330  31 32 38 20 5c 20 53 45  54 20 4f 55 54 50 55 54  |128 \ SET OUTPUT|
00001340  20 b8 20 4d 49 44 20 50  4f 49 4e 54 0d 08 e8 0a  | . MID POINT....|
00001350  53 54 41 20 42 41 0d 08  f2 20 43 4c 49 20 5c 20  |STA BA... CLI \ |
00001360  45 4e 41 42 4c 45 20 53  59 53 54 45 4d 20 a8 45  |ENABLE SYSTEM .E|
00001370  52 52 55 50 54 53 0d 08  fc 07 52 54 53 0d 09 06  |RRUPTS....RTS...|
00001380  05 5d 0d 09 10 05 ed 0d  09 1a 0c 3f 26 37 39 3d  |.].........?&79=|
00001390  26 30 30 0d 09 24 0c 3f  26 37 41 3d 26 33 30 0d  |&00..$.?&7A=&30.|
000013a0  09 2e 05 e1 0d ff                                 |......|
000013a6
Q.MapL.m0
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Q.MapL.m5