Apple II manual Cra

Page 210

COUNT

A419

CKSUM

A41E

CPIY

A42A

CRA

AC01

CRB

AC03

CR

000D

COMIN

E1A1

COMB

E1C4

CHNGG

E2A0

CHNG1

E2A6

CH2

E2B8

CH4

E2C0

CH3

E2C5

CKERR

E385

CKER0

E38E

CKER00

E394

CKER1

E396

CKER2

E3A3

CHEKAR

E54B

CHEKA

E54E

CGPC

E5D4

CGPC0

E5D7

CGPC1

E5DD

CGPS

E5EA

CGA

E5EE

CGX

E5F2

CGY

E5F6

CGS

E5FA

CGALL

E5FC

CLRBK

E6FE

CKB

E76B

CKB2

E76D

CKB1

E780

CRLF

E9F0

CRLOW

EA13

CR2J

EA23

CRCK

EA24

CRCK1

EA2C

CRCK2

EA3B

CLR

EB44

CLRCK

EB4D

CKFREQ

EE75

CKF1

EE7A

CKF2

EE81

CKF3

EE99

CKF3A

EE9D

CKF4

EEA1

CKBUFF

F1D2

CBUFF1

F1E2

COL0

F2E1

COL1

F321

COL2

F361

COL3

F3A1

COL4

F3E1

CHAR1

F5AD

CHAR2

F5B3

CHNG

F876

CHN1

F87C

CHN2

F88C

CHN3

F8A9

CHN4

F8AF

CFLG

F8B2

COM

FA78

COMM

FA88

CD02

FA8F

CFND1

FAA0

COMCN1

000B

COMTBL

FAAC

CORR

FB00

CLRLUP

FBE9

CONVRT

FD12

COMPBR

FD9E

CMPBR1

FDBB

CUREAD

FE83

DILINK

A406

DISFLG

A40F

DIBUFF

A438

DRA2

A480

DDRA2

A481

DRB2

A482

DDRB2

A483

DNPA7

A484

DPPA7

A485

DIV1

A494

DIV8

A495

DIV64

A496

DI1024

A497

DRB

A800

DRAH

A801

DDRB

A802

DDRA

A803

DRA

A80F

DATIN

000E

DATOUT

000C

DEBTIM

1388

DUMP

E43B

DU1

E444

DU0

E447

DU1B

E452

DU1A

E46D

DU2

E47D

DU6

E49F

DU7

E4A0

DU8

E4A2

DU9

E4B9

DU10

E4DB

DU10A

E4F8

DU11

E50A

DU12

E511

DU13

E520

DU14

E529

DUMPTA

E56F

DUMPT1

E57B

DUMPKI

E587

DUK2

E5A4

DONE

E790

DON1

E7A0

DELAY

EC0F

DE1

EC18

DE2

EC1B

DEHALF

EC23

DEBKEY

ED2A

DEBK1

ED2C

DISASM

F46C

DNNO

F6D8

DOW1

F6E3

DOW2

F6E8

DOWN

F724

DLNE

F74C

DISPLY

FD6E

END

00E5

ENPA7

A486

EPPA7

A487

ESCAPE

001B

EQS

00BD

EMSG1

E06C

EMSG2

E072

EQUAL

E7D8

ERR

F495

EDIT

F639

EDI0

F644

EDI1

F653

EDI2

F663

EDI3

F673

EDI4

F680

EDI5

F68D

EDI6

F69B

EDI7

F6AA

EDI8

F6AE

EDI

F6B6

EDI2B

F6CC

ENDERR

FA5C

ENDE2

FA6F

ERROR

FA72

ERR0

FA78

ENTRY

FA8D

EVAL

FC0E

ERRORM

FCC5

ERRFLG

FD2B

ERRJMP

FDD6

FORMA

0116

FROM

E7A3

FNAM

E8A2

FCHAR

F80C

FCHA1

F80F

FCH

F81E

FC1

F823

FC2

F82E

FC3

F834

FC4

F843

FC5

F849

FC6

F84E

FC7

F853

FC8

F85A

FC9

F868

FORMDS

FD45

FORMD1

FD58

FORMD2

FD69

FORM1

FD7D

FORWRD

FDE0

GAP

A409

GO

E261

GOBK

E26D

GOBK0

E278

GOBK1

E286

GETID

E425

 

 

 

 

 

 

Image 210
Contents Apple II Original ROM Information Data Qjjj0005A0 FDA9A920 EDFDA98D 4CEDFDA9 8D4CEDFD Page Page Page JI@ Page 001AA0 F3FFE8E1 E8E8EFEB FFFFE0FF Ffefeeef 001AC0 FFFFE1E1 EFEEE7E8 EEE7F3FB FBEEE1EF001AE0 E8EEE7E8 Efefeeef Eeefeeee Efeeeeee 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 DOUBLE-BYTE Indirect POP IndirectStore POP Indirect ACC SubtractPOP DOUBLE-BYTE Indirect 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 SubroutineLDA #ADRH STA IND+1 LDA OPTBL,XSTA IND JMP 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 Seeeeeee MmmmmmmmFsub 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 Errata for Rankins Floating Point Routines LDX Load X for High Byte of ExponentLDA STA Fsub LOGFadd FmulPage Mantissa MOD 9/76 Load X for Later M2MHL Contin 1EAD LFA LDA Z,X L2E DCM RTLOG1 MdendNormx 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 Bufadh DdrdigLOADT2 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 OUTD1A CPX OUTD2A TXAOUTDD1 PHA 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 LSRPRADR2 LDA PLAPRADR4 DEX 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 ROM Table FB46 8A9AAABACADAStartm JSR Rdaddr LDY Tryjmp LDA IMMED1 LDXOPCMP1 LDA Brnchc JMPConvrt LDA FORMD2 LDX Brcomp LDACompbr LDX 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 E6ACTable of Contents AIM 65 Microcomputer Basic Language Reference ManualIntroduction Memory SIZE? Installing Basic in the AIM ROM Installation ProcedureEntering Basic WIDTH?Basic Cursor Exiting BasicReentering Basic Printer ControlGetting Started with Basic Basic Command SET ASCCHR$ Operating on Programs and Lines Direct and Indirect Commands Direct CommandsIndirect Commands Listing a ProgramDeleting a Program Deleting a LineReplacing a Line List Printing DataPrint ONE Half Equals 1/2 Number FormatNumber Output Format Variables Assigning Variables with AN Input Statement Input RVariable Names PSTG$ Print A, A*2 LET Z=7 Print Z, Z-AReserved Words 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$Cntl Print Operators Symbol Sample StatementESC Print X/1.3Symbol Sample Statement PURPOSE/USE NegationRelational Operators Not If not Q3 then Operator Argument Result NotAlert CommandsPrint Intruder Alert Statement SYNTAX/FUNCTION Example ClearStatement SYNTAX/FUNCTION Load Statement SYNTAX/FUNCTION FREStatement SYNTAX/FUNCTION List Statement SYNTAX/FUNCTION NEWProgram Statements Statement SYNTAX/FUNCTION Example RUNStatement SYNTAX/FUNCTION Example Save Statement SYNTAX/FUNCTION Example DEFStatement SYNTAX/FUNCTION DIM Statement SYNTAX/FUNCTION ENDStatement SYNTAX/FUNCTION For Statement SYNTAX/FUNCTION IF...GOTO Statement SYNTAX/FUNCTION GosubStatement SYNTAX/FUNCTION Goto Statement SYNTAX/FUNCTION IF...THENStatement SYNTAX/FUNCTION Next If X0 then Print ERROR, X Negative Goto ExampleStatement SYNTAX/FUNCTION LET Statement SYNTAX/FUNCTION ON...GOSUBExample Restore Return Statement SYNTAX/FUNCTION RestoreSymbol SYNTAX/FUNCTION Wait Statement SYNTAX/FUNCTION ReturnStatement SYNTAX/FUNCTION Print Statement SYNTAX/FUNCTION InputStatement SYNTAX/FUNCTION POS Print Value ISAStatement SYNTAX/FUNCTION TAB Statement SYNTAX/FUNCTION ReadStatement SYNTAX/FUNCTION SPC String Functions Statement SYNTAX/FUNCTION ASCStatement SYNTAX/FUNCTION MID$ 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 SinxError Messages ?XX ErrorInverse Hyperbolic Secant TAB, SPC Space HintsPRINTX,Y,Z 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 PrintxRecording on Cassette Using the Basic Save Command RUN NUMBER?Storing AIM 65 Basic Programs on Cassette 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.