Apple II manual COMMAND-FIND String

Page 194

3256

F80C

 

 

 

;*****

F COMMAND-FIND STRING *****

3257

F80C

 

 

 

;FIND STRING AND PRINT LINE TO TERMINAL

3258

F80C 20 1E F8

FCHAR

JSR

FCH

 

3259

F80F AD 15 A4

FCHA1

LDA CURPO2

;SAVE BUFFER PNTR

3260

F812

48

 

 

 

PHA

 

 

3261

F813

20

44

EB

 

JSR CLR

;CLEAR DISP PNTR

3262

F816

20

27

F7

 

JSR

PLNE

 

3263

F819

68

 

 

 

PLA

 

 

3264

F81A 8D 15 A4

 

STA

CURPO2

 

3265

F81D 60

 

 

 

RTS

 

 

3266

F81E

 

 

 

;FIND A CHARACTER STRING

3267

F81E A0 00

 

FCH

LDY

#0

 

3268

F820

20

BD E7

 

JSR

PROMPT

 

3269

F823

20

5F

E9

FC1

JSR

RDRUP

;GET THE CHARACTER

3270

F826

C9

0D

 

 

CMP

#CR

;REUSE OLD ARGUMENT??

3271

F828

D0

0A

 

 

BNE

FC3

 

3272

F82A C0 00

 

 

CPY

#0

;FIRST CHAR?

3273

F82C D0 06

 

 

BNE

FC3

 

3274

F82E 20 09 F7

FC2

JSR

UPNO

;NEXT LINE DOWN

3275

F831

4C

49

F8

 

JMP

FC5

 

3276

F834

C9

0D

 

FC3

CMP

#CR

;DONE

3277

F836

F0

0B

 

 

BEQ

FC4

 

3278

F838

99

EB 00

 

STA

STRING,Y

 

3279

F83B C8

 

 

 

INY

 

 

3280

F83C C0 14

 

 

CPY #20

;MAX LENGTH

3281

F83E D0 E3

 

 

BNE

FC1

 

3282

F840

4C

72

FA

 

JMP

ERROR

 

3283

F843

20

24

EA

FC4

JSR

CRCK

;CLEAR DISPLAY

3284

F846

8C

29

A4

 

STY

STIY+2

;COUNT OF CHARACTERS

3285

F849

A0

00

 

FC5

LDY

#0

 

3286

F84B 8C 15 A4

 

STY

CURPO2

;START AT BEGINNING OF LINENTR IS

3287

F84E AC 15 A4

FC6

LDY

CURPO2

;CLOBBER

3288

F851

A2

00

 

 

LDX

#0

 

3289

F853

B1

DF

 

FC7

LDA

(NOWLN),Y

;GET THE CHARACTER

3290

F855

D0

03

 

 

BNE

FC8

;NOT AT END

3291

F857

4C

5C

FA

 

JMP

ENDERR

 

3292

F85A C9 0D

 

FC8

CMP

#CR

;END OF LINE

3293

F85C F0 D0

 

 

BEQ

FC2

 

3294

F85E D5 EB

 

 

CMP

STRING,X

 

3295

F860

F0

06

 

 

BEQ

FC9

 

3296

F862

EE 15 A4

 

INC

CURPO2

 

3297

F865

4C

4E

F8

 

JMP

FC6

 

3298

F868

C8

 

 

FC9

INY

 

 

3299

F869

E8

 

 

 

INX

 

 

3300

F86A EC 29 A4

 

CPX STIY+2

;DONE?

3301

F86D D0 E4

 

 

BNE

FC7

 

3302

F86F 60

 

 

 

RTS

 

 

3303

F870

 

 

 

 

 

 

 

3304

F870

 

 

 

;***** Q COMMAND-EXIT EDITOR *****

3305

F870

 

 

 

; EXIT THE TEXT EDITOR NEATLY

3306

F870

20

13

EA

STOP

JSR CRLOW

 

3307

F873

4C

A1

E1

 

JMP COMIN

 

3308

F876

 

 

 

 

 

 

 

3309

F876

 

 

 

;*****

C COMMAND-CHANGE STRING *****

3310

F876

 

 

 

;CHANGE STRING TO ANOTHER STRING IN A LINE

3311

F876

20

B2

F8

CHNG

JSR CFLG

;SET C COMMAND FLG

3312

F879

20

0C

F8

 

JSR FCHAR

;FIND CORRECT LINE

3313

F87C 20 3C E9

CHN1

JSR READ

;IS <CR> IF OK

3314

F87F C9 0D

 

 

CMP #CR

 

3315

F881

F0

09

 

 

BEQ CHN2

 

3316

F883

20

2E

F8

 

JSR FC2

;TRY NEXT ONE

3317

F886

20

0F

F8

 

JSR FCHA1

; SHOW LINE

 

 

 

 

 

 

 

 

 

Page 193 Page 195
Image 194
Page 193 Page 195
Contents Apple II Original ROM Information Data Qjjj0005A0 FDA9A920 EDFDA98D 4CEDFDA9 8D4CEDFD Page Page Page JI@ Page 001AE0 E8EEE7E8 Efefeeef Eeefeeee Efeeeeee 001AA0 F3FFE8E1 E8E8EFEB FFFFE0FF Ffefeeef001AC0 FFFFE1E1 EFEEE7E8 EEE7F3FB FBEEE1EF 001DB0 9CDD9CDE DD9EC3DD Cfcacdcb 00479AAD 001FB0 Ffffffff FFFF2071 E14CBFEF 2003EEA9 Page 02E61FBD JJJ DDBAF9F0 0DBDBAF9FA60FFFF 60FFFFFF .JJAEAEA8AD Page Page Return Page LOC1 System Monitor CopyrightLOC0 BaslMask INY NO, INC Index X-COORD LDY PCH PRMN1 LDA FMT1 DFB Format Above EOR STA A3H FAE2 A2 FB Tabv STA Vtabs to ROW in A-REG STA Bash BCC Clreol Clear to END of Line NXTA4 INC A4L Incr 2-BYTE A4 STA BASL,Y Replace Flashing Screen Fdad A5 3C LT2 LDA A2L,X Copy A2 2 Bytes to Ioprt LDA A2L SET RAM IN/OUT Vectors BCC RD3 Loop Until Done STA A3H,X DFB LIST-1 FFF3 CC Save BRTBL,XLSR Prepare Carry for BC, BNC Stat LDA R0L JSR STAT2 Push LOW PC Byte VIA R12 BNE Nomove LDA IN,YCMP JSRBNZ Mloop MloopDCR RTNBNZ INRBNC BM1Store Indirect ExampleLoad Indirect Load DOUBLE-BYTE IndirectStore POP Indirect Store DOUBLE-BYTE IndirectPOP Indirect POP DOUBLE-BYTE Indirect ACCSubtract LOOP1 SUB CompareBF A0 SET $A0BF BNC LOOP1LOOP2 Return to 6502 ModeDecrement BNZ LOOP2Branch if Plus Branch if no CarryBranch if Carry SET LOOP3 SUBBreak Branch if Minus ONEBranch if not Minus ONE Return from Sweet 16 SubroutineSTA IND JMP LDA #ADRHSTA IND+1 LDA OPTBL,X Page Page Sweet 16 Introduction Page Source Input Enter String a $ , a $ DSPPrint Dbload Sweet REM Ctrl D NVACall -605 Return REM XAM8 in Monitor Poke 776 , a REM Poke DestinationPrint Print Goto SweetMneml MINI-ASSEMBLERBaum MnemrSBC PCL Form ADDR-PC-2 JSR Cout Position FORM7 STX A1H Save Index STA ORGCLC BNENorm LDA EXP1 ZERO? Shift Dividend Left Floating Point Package Floating Point Representation LOWFloating Point Representation Examples StoredHigh LOW EXP Mantissa Number Exponent MantissaFloating Point Subroutine Descriptions Page Page Page Page Calling Sequence STY Init MANT1 LDYSTY HIGH-ORDERPage Page Page Page Page Page Fsub SeeeeeeeMmmmmmmm ORG SET Base page Adresses STA X2,X Common LOG of MANT/EXP1 Result in MANT/EXP1 Ovflw BRK Overflow 1EBB STA X2,X Load EXP/MANT2 with Z 1EBD DEX 1EBE BPL LF3 CMP YES,RETURN with MANT1 NormalizedRight Shift MANT1 or Swap with MANT2 on Carry AddendNormx BCC Norm If EXEN, Normalize PRODUCT, Else Complement LDA STA Errata for Rankins Floating Point RoutinesLDX Load X for High Byte of Exponent Fsub LOGFadd FmulPage Mantissa MOD 9/76 Load X for Later M2MHL Contin 1EAD LFA LDA Z,X L2E DCM Normx RTLOG1Mdend Object Code Dump Page Toutfl TapdelHsbdry Lstcom=UBRKVC OutvecUrcvec =UIRQVCTAX ADCORA Stocom STABPL HASHUS+2 Restore Except A,F CPX BEQSTX JMPOutxah PHA Exwrap RTSChksad PHP TXANibasc and #$0F Nibble in a to Ascii in a BCS INST1 RTI Ldbyte JSR Inbyte Verify MEM E1PARM JMP STD2 MORED2 LDY JSR Brtt INC Ercnt UP to FF MEM3EX CLC SBC P3L BNE Exitgk Ksconf LDA Txtmov LDA BNE INRT2 Outone Dftxfr LDX Newdev LDALDA Toutfl 8BFF 0D Msfirst LOADT2 BufadhDdrdig STA Mode BNE Lcerr Last Char not Kgettr LDA H8DFF BCC PACKT3 DMPT1A LDA DumptDUMPT1 TXA DUMPT4 LDYOutbth LDX Register Name Patch Outcht STXHS Tape Boundary Uddra Rockwell InternationalUdrah NowlnMovad OldlenLength TMASK1 =MOVADTabuff CurposChecksum TABUF2Write Edge Detect Control not Used Because KB CRB EQSDB TO,EQS CFD2A0A0A0A0SEI Disable Interrupt RS6 JSR Crlow Clear Display E1AC Have Valid Command Nxtadd TYA Space CommFor LOAD1A LDALOADK5 LDX JMP LOADK5 Next E46A EE INC Bkflg SET FLG Outcks LDA OUTCK1 PHADumpta LDX DUMPT1 LDAE5EA TOGTA1 LDA TOGTA2 LDA BCC JD3 MSG Whereo LDY ANY Other CPYSTA Outflg Output PHA Outall PHAROL Priflg Restore FLG Wrax JSR Numa EAA3 CA DEX Memerr JSR STA STIY+2 Dehalf LDA EC5E 4A LSR Only ROW Onekey LDA Debkey LDXED3B GET a Char from Tape Subroutine Edba LSR Cpiy Make Room for MSB Outtty PHA OUTDD1 PHA OUTD1A CPXOUTD2A TXA LDA First Chip Select Prndot LDA LDA #PRTIME/256 Start T2 for 1.7 Msec BIT Imask See if DOT is SET NEW Print ROW Newcol LDACkbuff LDA Bkcksm LDAOUTTA1 PHA OUTTA2 LDXF2E1 3E7E7F3E7F7FCOL0 Zero Leftmost ColumnDB BGYU76HN MNNDX1 LSR RtmodeGetfmt TAX MNNDX2 LSRPRADR4 DEX PRADR2 LDAPLA BPL PCADJ4 AIM Text Editor LDA END+1 CMP with END AF E7 JMP KEP RUB COMMAND-FIND String JMP CHN1 See if WE RAN Past END of Buffer Limit BEQ REP2 SBC Oldlen GOGO1 RTS Startm JSR ROM TableFB46 8A9AAABACADA Rdaddr LDY Tryjmp LDA IMMED1 LDXConvrt LDA OPCMP1 LDABrnchc JMP Compbr LDX FORMD2 LDXBrcomp LDA Backwd LDA Forwrd LDAMATCH1 JMP Curead TXAPATCH4 LDX CURPO2 Dont do Anything if 8D PATC15 JSR Crlf Decode Command Bkcksm AddblkADDS1A BrcompCRA Goerr Namo E8CF NAMO1 RD2 EA5D RD1 AIM 65 Microcomputer Monitor Program Listing E6ACIntroduction Table of ContentsAIM 65 Microcomputer Basic Language Reference Manual Memory SIZE? Installing Basic in the AIM ROM Installation ProcedureEntering Basic WIDTH?Basic Cursor Exiting BasicReentering Basic Printer ControlCHR$ Getting Started with Basic Basic Command SETASC Operating on Programs and Lines Direct and Indirect Commands Direct CommandsIndirect Commands Listing a ProgramDeleting a Program Deleting a LineReplacing a Line List Printing DataNumber Output Format Print ONE Half Equals 1/2Number Format Variable Names Variables Assigning Variables with AN Input StatementInput R Reserved Words PSTG$Print A, A*2 LET Z=7 Print Z, Z-A Relational Tests Program Using RelationsRemarks Input BAN Improved Square Root Program LoopingSquare Root Program Print NsqrnCOUNT-BACKWARD Program Another Square Root ProgramPrint Nsqrn Next N Some Other Looping OperationsMatrix Operations Print What is the NumberPrint I,J Next Next J Sort ProgramPrint Must be Integer Print BAD GUESS, TRY Again RestoreInput N Stopping a ProgramLEN Function Strings$=ROCKWELL R6500 Print A$ Rockwell R6500 Print LENA$,LENMICROCOMPUTERRIGHT$ Function MID$ FunctionCHR$ Function Print B$ Basic for Rockwell R6500Print C$ Basic FOR-ROCKWELL-R6500 VAL and Strs Functions Data AIM 65,DOGInput Input X$ Additional String ConsiderationsName Example PURPOSE/USE DIM Print Print X$Cntl Print Operators Symbol Sample StatementESC Print X/1.3Relational Operators Symbol Sample Statement PURPOSE/USENegation Not If not Q3 then Operator Argument Result NotAlert CommandsPrint Intruder Alert Statement SYNTAX/FUNCTION Example ClearStatement SYNTAX/FUNCTION Load Statement SYNTAX/FUNCTION FREStatement SYNTAX/FUNCTION List Statement SYNTAX/FUNCTION NEWProgram Statements Statement SYNTAX/FUNCTION Example RUNStatement SYNTAX/FUNCTION Example Save Statement SYNTAX/FUNCTION Example DEFStatement SYNTAX/FUNCTION For Statement SYNTAX/FUNCTION DIMStatement SYNTAX/FUNCTION END Statement SYNTAX/FUNCTION IF...GOTO Statement SYNTAX/FUNCTION GosubStatement SYNTAX/FUNCTION Goto Statement SYNTAX/FUNCTION IF...THENStatement SYNTAX/FUNCTION Next If X0 then Print ERROR, X Negative Goto ExampleStatement SYNTAX/FUNCTION LET Statement SYNTAX/FUNCTION ON...GOSUBExample Restore Return Statement SYNTAX/FUNCTION RestoreSymbol SYNTAX/FUNCTION Wait Statement SYNTAX/FUNCTION ReturnStatement SYNTAX/FUNCTION Print Statement SYNTAX/FUNCTION InputStatement SYNTAX/FUNCTION POS Print Value ISAStatement SYNTAX/FUNCTION TAB Statement SYNTAX/FUNCTION ReadStatement SYNTAX/FUNCTION SPC String Functions Statement SYNTAX/FUNCTION ASCStatement SYNTAX/FUNCTION MID$ Statement SYNTAX/FUNCTION LEFT$Statement SYNTAX/FUNCTION LEN Statement SYNTAX/FUNCTION RIGHT$Statement SYNTAX/FUNCTION COS Arithmetic Functions Statement SYNTAX/FUNCTION ABSStatement SYNTAX/FUNCTION ATN Statement SYNTAX/FUNCTION EXPStatement SYNTAX/FUNCTION Example SIN Statement SYNTAX/FUNCTION Example SGNPrint Sgnx Print SinxInverse Hyperbolic Secant Error Messages?XX Error PRINTX,Y,Z TAB, SPCSpace Hints Storage Allocation Information Speed HintsOLD AIM This is Probably the Most Important Speed HintConverting Basic Programs not Written for AIM 65 Basic OLDNUL Assembly Language SubroutinesAscii Character Codes Decimal SOHInputnumbern Address Content$AE PrintxStoring AIM 65 Basic Programs on Cassette Recording on Cassette Using the Basic Save CommandRUN NUMBER? OUT=T F=FNAME T= Cassette Operations Using the AIM 65 EditorOUT=T F= IN=OF9C ATN ImplementationEntered by Alter Memory M 0FACWIDTH? Bytes Free AIM 65 Basic Saving ATN Object Code on Cassette
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Manual 19 pages 1.54 Kb

II specifications

The Apple II, launched in April 1977, was one of the first highly successful mass-produced microcomputer products. It marked a significant leap in personal computing, setting standards for future developments in the industry. Created by Steve Wozniak and Steve Jobs, the Apple II differentiated itself with its user-friendly design, appealing aesthetics, and robust capabilities.

One of the standout features of the Apple II was its open architecture, which allowed users to expand and enhance the computer's functionality. This design enabled hundreds of third-party hardware and software developers to contribute to its ecosystem, resulting in an array of peripherals, including printers, modems, and storage devices. The Apple II utilized a MOS Technology 6502 microprocessor running at a clock speed of 1 MHz. Initially equipped with 4 KB of RAM, the machine could be expanded to 48 KB, accommodating more complex applications and programs.

The Apple II was also notable for its colorful graphics. It was one of the first computers to support color display, offering a 6-color palette with a resolution of 280x192 pixels in 16 colors when using its Color Graphics Card. This feature significantly enhanced the visual appeal of games and educational software developed for the platform, making computing more accessible and entertaining for various audiences.

Apple's commitment to user experience was evident in the design of the machine. It featured an integrated keyboard and a plastic case, which was both durable and visually appealing. The self-contained design included drive bays for floppy disk drives, allowing for quicker data access than traditional tape drives. It also supported audio output, enabling sound effects and music, a novelty at the time.

The introduction of the Apple DOS operating system further underscored the machine's capabilities. DOS streamlined file management and made it easier for users to navigate and manage their data. The combination of hardware and software positioned the Apple II as an educational tool and a gaming platform, fostering a vibrant software ecosystem.

The Apple II family continued to evolve, with variations like the Apple II+, IIe, and IIgs being introduced over the years. These iterations brought enhancements in memory, processing power, and graphics capabilities. The legacy of the Apple II endures, not only as a foundational product in personal computing but also as a symbol of innovation that paved the way for future advancements in technology. Its impact is still felt today, as it inspired countless developers and shaped the trajectory of the computer industry.
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