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AppleWorks Document | 1990-02-17 | 33KB | 646 lines

O=====|====|====|====|====|====|====|====|====|====|====|====|====|====|====|=== PEEKS POKES PROGRAMMING NOTES (written for an Apple IIe, but should be indispensible to all Apple II owners) Information compiled on AppleWorks by SCOTT TERESI * = Applesoft BASIC only ** = Integer BASIC only PEEK and/or POKE address(es) DESCRIPTION HEX DECIMAL ZERO PAGE ADDRESSES $0000.00FF (0-255) $0.5......0-5......................*....Jump instructions2 $6.9......6-9......................*....Not used> $0A.0C....10-12....................*....USR jump instruction< $0D.17....13-23....................*....Flags and countersA $18.......24............................First track of DOS dataB $19.......25............................First sector of DOS dataG $1A.......26............................Number of DOS sectors to loadO M$1B.......27............................High byte of DOS buffer (low byte is always 00)F $1A.1B....26-27.........................DRAW and XDRAW shape pointer9 $1C.......28............................Last color used2 $1D.1F....29-31.........................Not usedM K$20.......POKE 32,N...(entering TEXT....(N is 0-39; norm is 0) Text window edgeO M$21.......POKE 33,N.........restores....(N is 1-40/1-80; norm is 40/80) Text window edgeM K$22.......POKE 34,N......normal text....(N is 0-23; norm is 0) Text window edgeN L$23.......POKE 35,N..........window)....(N is 1-24; norm is 24) Text window bottom I$24.......36............................Cursor's column position minus 1 (HTAB's place)P N$25.......37............................Cursor's row location minus 1 (VTAB's place)D $25; $FC66; $FC1A; $24..POKE 37,R: CALL -922: CALL -998: POKE 36,CI G ..(R=row; C=column) Plots cursor positionO $26.27....?PEEK(38)+PEEK(39)*256........Address of current low-res cursor rowL $28.29....?PEEK(40)+PEEK(41)*256........Address of current text cursor rowH $2A.2B....42-43.........................Row pointer for text scrollingF $2B.......43............................Last booted slot number * 16I $2C.......?PEEK(44).....................Last lo-res HLIN right endpointJ $2D.......?PEEK(45).....................Last lo-res VLIN bottom endpointL J$2E.......N=PEEK(46)....................If N=15 ($0F) then a lo-res color & )$block is to be plotted in the lower % )#half of the screen; if N=240 ($F0) ' )%then it will be plotted in the upper halfE $2F.......47............................Sometimes DOS volume number; $30.......48............................Lo-res color * 17J H$32.......50............................In N=PEEK(50), the current text # )!format is INVERSE if N=63 ($3F); & )$FLASH if N=127 ($7F); and NORMAL if & )$N=255 ($FF); (also POKE 50,128 will % make listing and CATALOG invisible)K I$33.......51............................ASCII character for INPUT prompt ' )%symbol; also, POKEing here sometimes $ defeats "Not Direct Command" errorC $34.49....52-73.........................Monitor and DOS registersH F$48.......72............................A POKE here resets the status register/ $4A.4B....74-75...................**....LOMEM/ $4C.4D....76-77...................**....HIMEML J$4E.4F....78-79.........................Random number field; for a better random number generator, use RND(PEEK(78)+PEEK(79)*256)2 $50.61....80-97....................*....PointersK $52.......82.......................*....POKE 82,128 makes any command RUNH F$62.66....98-102........................Result of last-floating point & multiplication or division operation@ $67.68....103-104.......................Start of BASIC programP N$69.6A....105-106.......................LOMEM; end of BASIC program and start of variable spaceF $6B.6C....107-108.......................Start of defined array spaceD $6D.6E....109-110.......................End of defined array spaceA $6F.70....111-112.......................Start of string storage< $71.72....113-114..................*....Temporary registerO M$73.74....115-116..................*....HIMEM - 1; highest address available to BASIC programD $75.76....117-118.......................Line number being executedK $77.78....119-120.......................Line number where program stoppedJ H$79.7A....121-122.......................Address of next statement to be executed? $7B.7C....123-124.......................Next DATA line number; $7D.7E....125-126.......................Next DATA address> $7F.80....127-128.......................INPUT source pointer, $81.82....?CHR$(PEEK(129))+CHR$(PEEK(130))C ..Last used variable's nameF $83.84....?PEEK(131)+PEEK(132)*256......Last used variable's addressC $85.9C....133-156..................*....General-purpose registers G*9D.A3....157-163.......................Main floating-point arithmetic accumulatorL J$A5.AB....165-171.......................Axilary floating-point arithmetic accumulatorC $AC.AE....172-174..................*....General-purpose registers> $AF.B0....175-176.......................End of BASIC program? $B1.C8....177-200..................*....Get-character routineF $C9.CD....201-205.......................Floating point random number@ $CE.CF....206-207.................**....Arithmetic accumulatorN $D0.DF....208-223.......................BASIC scratch registers and pointersL $D4.......212...........................Returns error cord flag in decimalK I$D6.......214.....................**....RUN flag (POKE 214,255 makes any $ )"command run a program; POKE 214,0 restores the functions)P N$D8.......216...........................ONERR flag (if PEEK (216)=127 then an ! error has occurred; POKE 216,0 cancels ONERR function)K $DA.DB....L=PEEK(218)+PEEK(219)*256.....Line number last error occured in= $DC.DD....?PEEK(220)+PEEK(221)*256......ONERR error addressL $DE.......?PEEK(222)....................ONERR error code (see table below)9 $E0.E1....?PEEK(224)+PEEK(225)*256..*...X of last HPLOT9 $E2.......?PEEK(226)...............*....Y of last HPLOT2 $E3.......227...........................Not usedN L$E4.......228......................*....N=PEEK(228) returns the HCOLOR code & )$which is 0 if N=0; 1 if N=42 ($2A); ' )%2 if N=85 ($55); 3 if N=127 ($7F); 4 & )$if N=128 ($8F); 5 if N=170 ($AA); 6 & if N=213 ($D5); and 7 if N=255 ($FF)K I$E6.......230......................*....A 32 ($20) in this address means # )!hi-res page 1 is being shown; 64 # ($40) = page 2; 96 ($60) = page 3/ $E7.......231......................*....SCALEC $E8.E9....232-233..................*....Shape table start addressN L$EA.......N=PEEK(234)..............*....If N=0 then last XDRAW started at a non-black hi-res point2 $EB.EF....235-239.......................Not usedO M$F1.......241......................*....256 minus the current SPEED; to find the speed, use this formula: SPEED=256-PEEK(241)C $F2.F8....242-248..................*....General-purpose registersN L$F3.......243......................*....FLASH mask (POKE any number here to make listings unreadable)N L$F9.......249......................*....ROT (0-64 = 0-360 degrees, 32 = 180 degrees)2 $FA.FF....250-255.......................Not used MONITOR VARIABLES/VECTORS; PAGE 1/PAGE 2 TEXT/GRAPHICS ADDRESSES $0300.0C00 (768-3072) $320.321....800-801.....................Hi-res graphics horizontal coordinateD $322........802.........................Hi-res vertical coordinateI $324.325....804-805.....................Starting address of shape table6 $32C........812.........................Hi-res colorM K$3D0.$3D2...976-978.....................Jump vector to DOS warm start (JMP $9DBF)5 $3D2........?(PEEK(978)+35)/4;"K".......Memory leftM K$3D3.3D5....979-981.....................Jump vector to DOS cold start (JMP $9D84)O M$3D6.3D8....982-984.....................Jump vector to DOS File Manager (JMP $AAFD)I $3D9.3DB....985-987.....................Jump vector to RWTS (JMP $B7B5)L J$3DC.3E2....988-994.....................Subroutine to locate file manager " PARM list (LDA $9D0F; LDY $9D0E)N L$3E3.3E9....995-1001....................Subroutine to locate RWTS PARM list (LDA $AAC2; LDY $AAC1; RTS)I G$3EA.3EE....1002-1006...................Jump to replace DOS intercepts " subroutine (JMP $A851; NOP; NOP)O M$3EF.3F1....1007-1009...................Jump vector to Autostart BRK Handler (JMP $FA59)N L$3F2.3F4....1010-1012...................<Control-Reset> vector (JMP $9DBF); & )$type address to JMP to at addresses & )$1010-1011 ($3F2.3F3), and then CALL -1169 to set address 1012N L (POKE 1010,102: POKE 1011,213: POKE % 1012,112 makes <Control-Reset> RUN;M K POKE 1010,105: POKE 1011,255: POKE & )$1012,90 messes up CATALOG and makes <Control-Reset> return to the monitor;H F POKE 592,0: POKE 1012,0 makes <Control-Reset> boot;L J POKE 592,255: POKE 1010,191: POKE " ) 1011,157: POKE 1012,56 restores $ <Control-Reset>'s normal function)F $3F4....................................Power-up byte ($3F3 EOR $A5)M K$3F5.3F7....1013-1015...................Ampersand ("&") vector (JMP $FF58) & )$(POKE 1014,165: POKE 1015,214 makes "&" LIST;M K POKE 1014,110: POKE 1015,165 makes "&" CATALOG;P N POKE 1014,18: POKE 1015,217 makes "&" RUN)F $3F8.3FA....1016-1018...................Control-Y vector (JMP $FF65)M K (POKE 1016,76: POKE 1017,208: POKE # )!1018,3 makes <Control-Y> JuMP to address $03D0 (address 976) (JuMP=76, 03=3, D0=208);L J POKE 1016,76: POKE 1017,105: POKE ' )%1018,255 makes <Control-Y> enter the monitor)D $3FB.3FD....1019-1021...................Jump vector to NMI handler@ $3FE.3FF....1022-1023...................Vector for IRQ handlerK I$57B........1403........................Cursor's column position minus 1 " (HTAB's place) in 80-column modeI G$778........1912+SLOT...................Linefeed enable, disable (POKE % )#1912+SLOT,1 on Apple Parallel Card will enable linefeed; POKE $ 1912+SLOT,0 will disable linefeed)P N$801........2049........................POKE 2049,1 makes first BASIC program line list repeatedly HEXADECIMAL NEGATIVE DECIMAL POSITIVE DECIMAL DOS LOCATIONS WITH DOS 3.3 LOADED INTO MEMORY ADDRESSES $9600.BFFF (38400-49151) (-27136 TO -16385) $9D01; $A7D4..-25343;-22572.......POKE 40193,PEEK(40193)-N:CALL 42964P N ..Moves DOS buffers down N*256 bytesP N$9E42.........-25022..............40514..........Greeting program run flag (a value of 20 will make DOS 3.3 EXECute the greeting program; a value of 52 makes DOS 3.3 BRUN it.)G E$A545.........-23227..............42309..........POKE 42309,96 kills INITialize commandB $A56E.........-23168..............42350..........CATALOG routineI G$A710.A712....-22768 TO -22766....POKE 42768,234: POKE 42769,234: POKE 42770,234I G ..Cancels all DOS error messagesP N$A884.A907....-22396 TO -22265....43140-43271....DOS 3.3 commands (on track 1 sectors 7-8 on normal DOS 3.3 disk)J H$A972.AA3E....-22158 TO -21954....43378-43582....DOS 3.3 error messages (track 1 sectors 8-9 on normal DOS 3.3 disk)A $AA57.........-21929..............43607..........MAXFILES value@ $AA60; $AA61..-21920; -21919......?PEEK(43616)+PEEK(43617)*256D ..Last BLOAD lengthK $AA68.........-21912..............43624..........Active disk drive numberE $AA6A.........-21910..............43626..........Active slot number@ $AA72; $AA73..-21902; -21901......?PEEK(43634)+PEEK(43635)*256C ..Last BLOAD startI $AAB1.........-21839..............43697..........MAXFILES default valueO M$AAB2.........-21838..............43698..........Control-D command character (POKE 43698,N makes CHR$(N) replace CHR$(4))B @$AAB6.........-21834..............43702..........BASIC flag (in N=PEEK(43702), if N=0 you're in INT BASIC; if N=64, FP ROM; if N=128, FP RAM)N L$AC01.........-21503..............44033..........CATALOG track number (POKE 44033,0 returns an I/O error when CATALOG is entered; POKE 44033,17 returns back to normal)O M$ADA4.........-21084..............44452..........Number of file names before catalog listing pauses plus one (see address 44605)G E$ADAC; $ADAD..-21076; -21075......44460-44461....POKE 44460,88: POKE 44461,252 clears screen before catalogI $ADC0.ADC2; BB69.BB8F; B3AF.B3BA..44480-44482; 47977-48015; 45999-46010L J ..To change VOLUME #xxx to SECTORS FREE =xxx then enter this while in the monitor:8 ADC0: 20 69 BAO M BB69: A9 00 85 40 85 41 A0 C8 18 B9 F2 B3 F0 0E 0A 90 FB 48 E6 40 D0 02 E6 41 68 18 90 F0 88 D0 E9 A6 40 A5 41 20 24 ED 60O M B3AF: A0 BD A0 D4 C3 C5 D3 A0 C5 C5 D2 C62 F$ADD9; $ADDA..-21031; -21030......44505-44506....POKE 44505,234: POKE 44506,234 shows deleted files in catalogN L$AE17.........-20969..............44567..........Number of characters minus one in CATALOG file nameH F$AE22.AE24....-20958 TO -20956....44578-44580....POKE 44578,234: POKE 44579,234: POKE 44580,234 cancels carriage returns after catalog file namesH F$AE34.AE36....-20940 TO -20938....44596-44598....POKE 44596,234: POKE 44597,234: POKE 44598,234 cancels catalog pauseH F$AE37.AE38....-20937 TO -20936....44599-44600....POKE 44599,234: POKE 44600,234 waits for keypress after each catalog file (to get back to normal, POKE 44599,208: POKE 44600,8)O M$AE3D.........-20931..............44605..........Number of file names before catalog pause (POKE 44452,N+1: POKE 44605,N allows N file names before the pause)J H$B201.B203; BA69.BA75..-19967 TO -19965; -17815 TO -17803..45569-45571; 47721-47733O M ..For DOS wildcard using "=", enter this while in the monitor:8 B201: 4C 71 BAO M BA69: E8 B1 42 DD C6 B4 D0 0A C8 C0 1E D0 F3 AE 9C B3 18 60 C9 AD F0 F7 4C 0B B22 $B3A7.B3AE....-19545 TO -19538....45991-45998....File-type codesO M$B3AF.B3BA....-19537 TO -19526....45999-46010....Current disk volume heading spelled backwards (track 2 sector 2 on regular DOS 3.3 disk)M $B3C1.........-19519..............?PEEK(46017)...Current disk volume numberO M$B3F0.........-19472..............N=PEEK(46064)..Number of sectors per track on current disk (if N=13, then the DOS being used is 3.2; if N=16, then 3.3)O M$B96A.........-18070..............47466..........If PEEK(47466) returns 150, then DOS 3.3 is in memoryL J$BA01.........-17919..............47617..........A POKE of 12 here speeds disk drive accessH F$BFD3.BFD5....-16429 TO -16427....49107-49109....POKE 49107,234: POKE 49108,234: POKE 49109,234 prevents any language card reload DOS LOCATIONS WITH PRODOS LOADED INTO MEMORY ADDRESSES $9600.BFFF (38400-49151) (-27136 TO -16385) F$B878.B8E8....-18312 TO -18200....47224-47336....ProDOS Version 1.1.1 commands (track $10, sector $7 on normal ProDOS disk)E $BE3C.........-16836..............48700..........Active slot numberK $BE3D.........-16835..............48701..........Active disk drive numberP N$BEB7.........-16713..............48823..........A 33 or a 1 in this location means that the file just VERIFYed was locked $BED7; $BED8..-16681; -16680......?PEEK(48855)+PEEK(48856)*256K ..Last BLOAD start address@ $BED9; $BEDA..-16679; -16678......?PEEK(48857)+PEEK(48858)*256D ..Last BLOAD length< $BF90.........-16496..............49040..........Day/month7 $BF91.........-19495..............49041..........Year9 $BF92.........-16494..............49042..........Minute7 $BF93.........-16493..............49043..........Hour INPUT/OUTPUT/PERIPHERAL CARDS ADDRESSES $C000.CFFF (49152-53247) (-16384 TO -12289) $C000.C00F....-16384 TO -16369....K=PEEK(49152)-128 TO K=PEEK(49167)-128J H ..All PEEKs in this area achieve the same result: ASCII code for the last keypress; if K<0 then no key was pressedK I$C00A.........-16374..............49162..........POKE 49162,0 allows the functions of an 80-column card (except 80-columns) on an Apple IIe3 $C010.C01F....-16368 TO -16353....49168,0-49183,0J H ..All POKEs in this area achieve the same result: clear keyboardJ H$C020.C02F....-16352 TO -16337....49184-49199....All PEEKs in this area achieve the same result: a single click at cassette OUT jackJ H$C030.C03F....-16336 TO -16321....49200-49215)...All PEEKs in this area achieve the same result: a single click at speakerG $C040.C04F....-16320 TO -16305....49216-49231....Utility stobe outputJ $C050.C057....-16304 TO -16297....49232-49239....Soft (display) switchesL $C058.C07F....-16296 TO -16257....49240-49279....I/O status for controllerG $C058.C05F....-16296 TO -16289....49240-49247....Game paddle commands7 $C061+P.......-16287+P............N=PEEK(49249+P)-128L J ..(P can be 0, 1, or 2) If N>127 then paddle button #P is being pressed or is not connected (paddle button #0 = Open Apple key; #1 = Solid Apple key; #2 = Shift key)O $C0E8.........-16152..............POKE 49384,0...Stops motor at disk drive #1N L$C0E9.........-16151..............POKE 49385,0...Starts motor at disk drive $C0F8.........-16136..............POKE 49400,0...Stops motor at disk drive #2N L$C0F9.........-16135..............POKE 49401,0...Starts motor at disk drive $C100.C1FF....-16128 TO -15873....49408-49665....Peripheral slot #1 ROMI $C200.C2FF....-15872 TO -15617....49664-49921....Peripheral slot #2 ROMI $C300.C3FF....-15616 TO -15361....49920-50177....Peripheral slot #3 ROMI $C400.C4FF....-15360 TO -15105....50176-50433....Peripheral slot #4 ROMI $C500.C5FF....-15104 TO -14849....50432-50689....Peripheral slot #5 ROMI $C600.C6FF....-14848 TO -14593....50688-50945....Peripheral slot #6 ROMI $C700.C7FF....-14592 TO -12289....50944-51199....Peripheral slot #7 ROM APPLESOFT ROM ADDRESSES $D000-$F7FF (53248-63487) (-12288 TO -2049) $D0D0.D25E....-12080 TO -11682....53456-53854....Applesoft BASIC commandsI G$D260.D362....-11680 TO -11422....53856-54114....Applesoft BASIC error messagesG E$DCDF.DCF6....-8993 TO -8970......56543-56566...."Extra Ignored" and "Reenter" messages MONITOR ROM ADDRESSES $F800-$FFFF (63488-65535) (-2048 TO -1) $FBB3; $FBC0..-1101; -1088........A=PEEK(64435): B=PEEK(64448)K I ..If A=6 and B=0 then the computer being used is an Apple IIc; if A=6 and B>223 and B<240 then it's a IIe; if A=234 then it's a II+; otherwise, it's an Apple IIO M$FD83.........-637................A=PEEK(64899)..If A=255 then Apple IIe; if A=223 then Apple II or II+; if A=234 then Franklin AceN L$FF0A.FF12....-246 TO -238........65290-65298....Top of screen heading when computer is booted M_____________________________________________________________________________$ __________________________________ MACHINE LANGUAGE SUBROUTINES (CALLS) HEX + CALL - DESCRIPTION $3D0.....976...........-64560....Enters BASIC from monitor or mini-assembler? $3D2.....978......CALL -64558....Reconnects DOS 3.3 or ProDOS: $3D9.....985......CALL -64551....Makes a cow sound (moo); $3EA.....1002.....CALL -64534....Reconnects DOS I/O hooks7 $3F2.....1010.....CALL -64526....Control-Reset vector9 $3F5.....1013.....CALL -64523....Ampersand ("&") vector3 $3F8.....1016.....CALL -64520....Control-Y vectorI $803.....2051.....CALL -63485....Enters the mini-assembler from monitorJ H$1300....4864.....CALL -60672....Executes a BASIC program compiled with "Einstein Compiler"5 $9DBF....40383....CALL -25153....Reconnects DOS 3.3+ $A56E....42350....CALL -23168....CATALOGs2 $C030....49200....CALL -16336....Toggles speaker APPLESOFT ROM ADDRESSES $D000-$F7FF (53248-63487) (-12288 TO -2049) $D1FC....53756....CALL -11780....Hi-res "Find" or position> $D2C9....53961....CALL -11272....Hi-res "Find" or background= $D331....54065....CALL -11471....Hi-res graphics background/ $D33A....54074....CALL -11462....Hi-res DRAW10 $D3B9....54201....CALL -11335....Hi-res SHLOADO M$D683....54915....CALL -10621....Clears any incompleted FOR...NEXT loops and # any GOSUBs that were not RETURNed2 $DAFB....56059....CALL -9477.....Carriage returnI $E000....57344....CALL -8192.....Resets Integer BASIC; clears variables5 $E04B....57419....CALL -8117.....Integer BASIC LISTO $E484....58500....CALL -7036.....Perform Applesoft garbage collection routine& $E5AD....58797....CALL -6739.....NEW> $E5B7....58807....CALL -6729.....PLOTs a point on the screen6 $E836....59446....CALL -6090.....Integer BASIC CHAIN4 $EFEC....61420....CALL -4116.....Integer BASIC RUN? $F07C....61564....CALL -3972.....Integer BASIC LOAD from tape1 $F0E0....61664.........-3872.....Leaves monitor9 $F123....61731....CALL -3805.....DRAWS predefined shape5 $F14F....61775....CALL -3761.....Plots hi-res point> $F171....61809....CALL -3727.....Turn on Integer BASIC TRACE? $F176....61814....CALL -3722.....Turn off Integer BASIC TRACE4 $F30A....62218....CALL -3318.....Integer BASIC CON3 $F317....62231....CALL -3305.....Applesoft RESUMEJ H$F328....62248....CALL -3288.....Clears error-handling information when RESUME is not used to exit an error-handling routine' $F3DE....62430....CALL -3106.....HGRsJ $F3E4....62436....CALL -3100.....Shows hi-res page 1 without clearing it@ $F3F2....62450....CALL -3086.....Clears hi-res page 1 to blackN $F3F6....62454....CALL -3082.....Clears hi-res page 1 to last color HPLOTtedH F$F5CB....62923....CALL -2613.....Makes next shape table DRAW or XDRAW , "*coordinates appear in addresses $EO, $E1, ) "'and $E2 (see the PEEKS AND POKES table above)7 $F666....63078....CALL -2458.....Enter mini-assembler MONITOR ROM ADDRESSES $F800-$FFFF (63488-65535) (-2048 TO -1) H$F800....63488....CALL -2048.....Plots a point after column is set in Y - "+register, row in accumulator, and color in . ",zero-page address $30; destroys contents of accumulatorL J$F819....63513....CALL -2023.....Plots a horizontal line to lo-res screen . ",after setting row to the accumulator, right ' "%endpoint column to address $2C, left . ",endpoint column to Y register, and color to . ",$30; destroys contents of accumulator and Y registerP N$F828....63528....CALL -2008.....Plots a vertical line to lo-res screen after & "$setting column to Y register, upper * "(endpoint row to the accumulator, bottom , "*endpoint row to address $2D, and color to ' $30; destroys contents of accumulatorG $F832....63538....CALL -1998.....Clears entire lo-res graphics screenJ H$F836....63542....CALL -1994.....Clears only graphics portion of lo-res graphics screenO M$F838....63544....CALL -1992.....Clears low-res screen from top to specified ( "&row after setting that row value in Y registerP N$F83C....63548....CALL -1988.....Clears designated portion of upper left-hand ( "&corner of lo-res screen after setting % "#right-end column to Y register and bottom-end row to address $2DK I$F847....63559....CALL -1977.....Computes address for current lo-res row value stored in the A register: $F85F....63583....CALL -1953.....Adds 3 to current COLORI G$F864....63588....CALL -1948.....Sets lo-res color to the value in the accumulatorJ H$F871....63601....CALL -1935.....Returns color code of specified lo-res + ")graphics point; set column to X register - "+and row to the accumulator; after CALLing, + the color code will be in the accumulatorJ H$F940....63808....CALL -1728.....Prints current contents of the Y and X registers in hexadecimalJ H$F941....63809....CALL -1727.....Prints current contents of the A and X registers in hexadecimalL J$F944....63812....CALL -1724.....Prints current contents of X register in hexadecimalI G$F948....63816....CALL -1720.....Prints three successive blanks on the current text screenP N$F94C....63820....CALL -1716.....Prints number of successive blanks specified in X register0 $FA62....64098....CALL -1438.....Pseudo-resets+ $FAA6....64166....CALL -1370.....Re-boots9 $FAD7....64215....CALL -1321.....Displays all registersO M$FB1E....64286....CALL -1250.....Reads value from game paddle specified in X + ")register; after CALL, value will be in Y registerI $FB2F....64303....CALL -1233.....Clears text or low-res graphics screenL J$FB40....64320....CALL -1216.....Sets the screen to lo-res graphics mode; & destroys contents of the accumulatorF $FB4B....64331....CALL -1205.....Sets the normal, 4-line text window@ $FB60....64352....CALL -1184.....Clears screen and ?"Apple..."M K$FB6F....64367....CALL -1169.....Used to calculate address 1012 ($3F4) for the <Control-Reset> vectorK I$FBC1....64449....CALL -1087.....Calculates base address of current text cursor postionN L$FBE4....64484....CALL -1052.....Rings bell (some equivalents to CALL -1052 , "*are: <Control-G>, ? CHR$(7), ? CHR$(135), or CALL -198)5 $FBF4....64500....CALL -1036.....Moves cursor right4 $FC10....64528....CALL -1008.....Moves cursor left2 $FC1A....64538....CALL -998......Moves cursor upN L$FC22....64546....CALL -990......Tabs cursor vertically to row specified in the accumulator> $FC2C....64556....CALL -980......Performs an ESCape functionO M$FC42....64578....CALL -958......Clears text from cursor to bottom of screen * "((including text on same line as cursor) (same as <ESC> <F>)K I$FC58....64600....CALL -936......Clears TEXT screen and HOMEs the cursor & "$(equivalent of <ESC> <@>); destroys ( contents of accumulator and Y register= $FC62....64610....CALL -926......Performs a carriage return4 $FC66....64614....CALL -922......Moves cursor downK I$FC70....64624....CALL -912......Scrolls current text screen up one row; ) "'destroys contents of accumulator and Y registerO M$FC9C....64668....CALL -868......Clears text line from cursor to right (same as <ESC> <E>)O M$FCA8....64680....CALL -856......WAITs; executes time delay; set delay value * "((dly) to the accumulator (address 69 or * "($45) before CALLing; the delay time (in - "+seconds) can be found using this equation: + delay=(0.5*(5*(dly*dly)+27*dly+26))/10000J $FCC9....64713....CALL -823......Writes leader tone to cassette recorderP N$FD0C....64780....CALL -756......Waits for any keypress; destroys contents of accumulator and Y registerM K$FD1B....64795....CALL -741......Waits for a keypress and stores its ASCII ' "%code in the accumulator; also cycles random-number seed generatorP N$FD35....64821....CALL -715......Fetches keystoke and stores its value in the the accumulator@ $FD5A....64858....CALL -678......Waits for a <Return> keypressO $FD5C....64860....CALL -676......Rings bell and waits for a <Return> keypressP N$FD67....64871....CALL -665......Issues a line feed, waits for a line of data . ",ending with a <Return> keypress, stores the , "*data in the keyboard input buffer, stores - "+length of line in Y register, and uses the . ",CHR$ of the number stored at address 51 for ) a cursor (cursor symbol can be altered)M K$FD6A....64874....CALL -662......Same as CALL -665, but does not execute a line feedJ H$FD6F....64879....CALL -657......Better input; commas/colons O.K.; this . ",example loads the variable A$ with what was , "*put into the Keyboard Input Buffer by the CALL -657:( N 10 PRINT "ENTER YOUR NAME (LAST,FIRST):";: CALL -657O M 20 A$="": FOR I=512 TO 767: IF PEEK(I) <> ( (&141 THEN A$=A$+CHR$(PEEK(I)-128):NEXT N$FD75....64885....CALL -651......Same as CALL -662, but does not print prompt . ",character; CALL after setting X register to $FD8E....64910....CALL -626......Performs a carriage returnK I$FDA3....64931....CALL -605......Prints hexadecimal of eight consecutive - "+memory locations, beginning from specified ) "'LSB at address 60 and specified MSB at , "*address 61; CALL after setting Y register to 0L J$FDB3....64947....CALL -589......Prints range of hexadecimal data for the , "*address specified in memory locations $3C . ",and $3D (LSB and MSB, respectively) through , "*address specified in memory locations $3E - and $3F; CALL after setting Y register to 0E C$FDDA....64986....CALL -550......Prints the current content of the accumulator in hexadecimalJ H$FDE3....64995....CALL -541......Prints lower four bits (nibble) of the accumulatorI G$FDED....65005....CALL -531......Prints current ASCII character in the accumulatorL J$FDF0....65008....CALL -528......Same as CALL -531, except CALL -528 also ) advances cursor to next column positionP N$FE2C....65068....CALL -468......Memory move; to execute a BASIC memory move, ( "&type this in (where OS and OE are the , "*Old-location Start and End, and NS is the * New Start) and GOSUB 5000 to execute it:( H 5000 N=OS: LOC=60: GOSUB 5020: N=OE: $ ("LOC=62: GOSUB 5020: N=NS: LOC=66: GOSUB 5020I G 5010 POKE 768,160: POKE 769,0: POKE % (#770,76: POKE 771,44: POKE 772,254: CALL 768: RETURNJ H 5020 POKE LOC,N-INT(N/256)*256: POKE LOC+1,INT(N/256): RETURN" $FE5E....65118....CALL -418......Disassembles 20 instructionsG E$FE61....65121....CALL -415......Disassembler; POKE start address at locations 58-59 before CALL* $FE80....65152....CALL -384......INVERSE) $FE84....65156....CALL -380......NORMAL. $FE86....65158....CALL -378......Sets I flag0 $FE89....65161....CALL -375......Sets keyboard1 $FEB0....65200....CALL -336......Jumps to BASIC2 $FEB3....65203....CALL -333......Continues BASIC7 $FEB6....65206....CALL -330......Memory location "Go"G $FEBF....65215....CALL -321......Displays A, X, Y, P, and S registers9 $FEC2....65218....CALL -318......Performs monitor trace1 $FECD....65229....CALL -307......Writes to tape2 $FEFD....65277....CALL -259......Reads from tapeO M$FF2D....65325....CALL -211......Rings bell and ?"ERR"; destroys contents of accumulator and Y registerI G$FF3A....65338....CALL -198......Rings bell without printing a control character4 $FF3F....65343....CALL -193......Monitor "RESTORE"3 $FF44....65348....CALL -188......Monitor "RESTR1"1 $FF4A....65354....CALL -182......Monitor "SAVE"1 $FF4C....65356....CALL -180......Monitor "SAV1"1 $FF59....65369....CALL -167......Enters monitor; $FF69....65381....CALL -155......Enters monitor with bellP N$FF69....65385....CALL -151......Enters monitor (<Control-C>, <Return> leaves the monitor)M K$FF70....65392....CALL -144......Scans input buffer; here is an example of - "+how it executes a machine language routine (not subroutine) from BASIC:( N 100 A$="300: A9 C1 20 ED FD 18 69 01 C9 DB D0 F6 60 300G D823G"B @ 110 FOR X=1 TO LEN(A$): POKE # 511+X,ASC(MID$(A$,X,1))+128: NEXT= 120 POKE 72,0: CALL -144 M_____________________________________________________________________________$ __________________________________