Apple II manual Ldbyte JSR Inbyte

Page 113

0675

84A1

20

D9

81

LDBYTE JSR

INBYTE

 

0676

84A4

4C

DD 82

 

JMP

CHKSAD

 

0677

84A7

C9

44

 

DEPZ

CMP

#'D'

;DEPOSIT, 0 PARM - USE (OLD)

0678

84A9

D0

03

 

 

BNE

MEMZ

 

0679

84AB 4C E1 84

 

JMP

NEWLN

 

0680

84AE C9 4D

 

MEMZ

CMP

#'M'

;MEM, 0 PARM - USE (OLD)

0681

84B0

D0

03

 

 

BNE

VERZ

 

0682

84B2

4C

17

85

 

JMP

NEWLOC

 

0683

84B5

C9

56

 

VERZ

CMP

#'V'

;VERIFY, 0 PARM - USE (OLD)

0684

84B7

D0

0D

 

 

BNE

L1ZB

; ... DO 8 BYTES (LIKE VER 1 PARM)

0685

84B9

A5

FE

 

 

LDA

$FE

 

0686

84BB 8D 4A A6

 

STA

P3L

 

0687

84BE A5 FF

 

 

LDA

$FF

 

0688

84C0

8D

4B

A6

 

STA

P3H

 

0689

84C3

4C

9A

85

 

JMP

VER1+4

 

0690

84C6

C9

12

 

L1ZB

CMP

#$12

;LOAD KIM, ZERO PARM

0691

84C8

D0

05

 

 

BNE

L2ZB

 

0692

84CA A0 00

 

 

LDY

#0

;MODE = KIM

0693

84CC 4C 78 8C

L1J

JMP

LENTRY

;GO TO CASSETTE ROUTINE

0694

84CF C9 13

 

L2ZB

CMP

#$13

;LOAD HS, ZERO PARM

0695

84D1

D0

04

 

 

BNE

EZPARM

 

0696

84D3

A0

80

 

 

LDY

#$80

;MODE - HS

0697

84D5

D0

F5

 

 

BNE

L1J

;(ALWAYS)

0698

84D7

6C

6D

A6

EZPARM JMP (URCVEC+1)

;ELSE UNREC COMMAND

0699

84DA

 

 

 

B1PARM =*

 

 

0700

84DA

 

 

 

;

 

 

 

0701

84DA

 

 

 

; 1 PARAMETER COMMAND EXEC BLOCKS

0702

84DA

 

 

 

;

 

 

 

0703

84DA C9 44

 

DEP1

CMP #'D'

;DEPOSIT, 1 PARM

0704

84DC D0 32

 

 

BNE

MEM1

 

0705

84DE 20 A7 82

 

JSR

P3SCR

 

0706

84E1

20

16

83

NEWLN

JSR

CRLFSZ

 

0707

84E4

A0

00

 

 

LDY

#0

 

0708

84E6

A2

08

 

 

LDX

#8

 

0709

84E8

20

42

83

DEPBYT JSR

SPACE

 

0710

84EB 20 D9 81

 

JSR

INBYTE

 

0711

84EE B0 11

 

 

BCS

NH41

 

0712

84F0

91

FE

 

 

STA

($FE),Y

 

0713

84F2

D1

FE

 

 

CMP

($FE),Y

;VERIFY

0714

84F4

F0

03

 

 

BEQ

DEPN

 

0715

84F6

20

20

83

 

JSR

OUTQM

;TYPE "?" IF NG

0716

84F9

20

B2

82

DEPN

JSR

INCCMP

 

0717

84FC CA

 

 

 

DEX

 

 

0718

84FD D0 E9

 

 

BNE

DEPBYT

 

0719

84FF F0 E0

 

 

BEQ

NEWLN

 

0720

8501

F0

0B

 

NH41

BEQ

DEPEC

 

0721

8503

C9

20

 

 

CMP

#$20

;SPACE = FWD

0722

8505

D0

4C

 

 

BNE

DEPES

 

0723

8507

70

F0

 

 

BVS

DEPN

 

0724

8509

20

42

83

 

JSR

SPACE

 

0725

850C

10

EB

 

 

BPL

DEPN

 

0726

850E

18

 

 

DEPEC

CLC

 

 

0727

850F

60

 

 

 

RTS

 

 

0728

8510

C9

4D

 

MEM1

CMP #'M'

;MEMORY, 1 PARM

0729

8512

D0

65

 

 

BNE

GO1

 

0730

8514

20

A7

82

 

JSR

P3SCR

 

0731

8517

20

16

83

NEWLOC JSR

CRLFSZ

 

0732

851A

20

3A

83

 

JSR

COMMA

 

0733

851D

A0

00

 

 

LDY

#0

 

0734

851F

B1

FE

 

 

LDA

($FE),Y

 

0735

8521

20

D3

81

 

JSR

OBCMIN

 

0736

8524

B0

11

 

 

BCS

NH42

 

 

 

 

 

 

 

 

 

 

Page 112 Page 114
Image 113
Page 112 Page 114
Contents Apple II Original ROM Information Qjjj Data0005A0 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 FA60FFFF DDBAF9F0 0DBDBAF902E61FBD JJJ 60FFFFFF .JJAEAEA8AD Page Page Return Page LOC0 System Monitor CopyrightLOC1 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 BRTBL,X SaveLSR Prepare Carry for BC, BNC Stat LDA R0L JSR STAT2 Push LOW PC Byte VIA R12 CMP LDA IN,YBNE Nomove JSRDCR MloopBNZ Mloop RTNBNC INRBNZ BM1Load Indirect ExampleStore Indirect Load DOUBLE-BYTE IndirectStore POP Indirect Store DOUBLE-BYTE IndirectPOP Indirect POP DOUBLE-BYTE Indirect ACCSubtract BF A0 SET $A0BF CompareLOOP1 SUB BNC LOOP1Decrement Return to 6502 ModeLOOP2 BNZ LOOP2Branch if Carry SET Branch if no CarryBranch if Plus LOOP3 SUBBranch if not Minus ONE Branch if Minus ONEBreak Return from Sweet 16 SubroutineSTA IND JMP LDA #ADRHSTA IND+1 LDA OPTBL,X Page Page Sweet 16 Introduction Page Source Print Dbload Sweet REM Ctrl D DSPInput Enter String a $ , a $ NVAPrint Print Goto Poke 776 , a REM Poke DestinationCall -605 Return REM XAM8 in Monitor SweetBaum MINI-ASSEMBLERMneml MnemrSBC PCL Form ADDR-PC-2 JSR Cout Position FORM7 STX A1H Save Index CLC ORGSTA BNENorm LDA EXP1 ZERO? Shift Dividend Left Floating Point Representation LOW Floating Point PackageHigh LOW EXP Mantissa StoredFloating Point Representation Examples Number Exponent MantissaFloating Point Subroutine Descriptions Page Page Page Page STY STY Init MANT1 LDYCalling Sequence 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 Right Shift MANT1 or Swap with MANT2 on Carry YES,RETURN with MANT1 NormalizedCMP AddendNormx BCC Norm If EXEN, Normalize PRODUCT, Else Complement LDA STA Errata for Rankins Floating Point RoutinesLDX Load X for High Byte of Exponent Fadd LOGFsub FmulPage Mantissa MOD 9/76 Load X for Later M2MHL Contin 1EAD LFA LDA Z,X L2E DCM Normx RTLOG1Mdend Object Code Dump Page Hsbdry TapdelToutfl LstcomUrcvec Outvec=UBRKVC =UIRQVCADC TAXStocom STA ORABPL HASHUS+2 Restore Except A,F STX BEQCPX JMPChksad PHP Exwrap RTSOutxah PHA 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 Newdev LDA Dftxfr LDXLDA Toutfl 8BFF 0D Msfirst LOADT2 BufadhDdrdig STA Mode BNE Lcerr Last Char not Kgettr LDA H8DFF BCC PACKT3 DUMPT1 TXA DumptDMPT1A LDA DUMPT4 LDYOutbth LDX Outcht STX Register Name PatchHS Tape Boundary Udrah Rockwell InternationalUddra NowlnLength OldlenMovad TMASK1 =MOVADChecksum CurposTabuff TABUF2Write Edge Detect Control not Used Because KB EQS CRBCFD2A0A0A0A0 DB TO,EQSSEI Disable Interrupt RS6 JSR Crlow Clear Display E1AC Have Valid Command Space Comm Nxtadd TYALOAD1A LDA ForLOADK5 LDX JMP LOADK5 Next E46A EE INC Bkflg SET FLG OUTCK1 PHA Outcks LDADUMPT1 LDA Dumpta LDXE5EA TOGTA1 LDA TOGTA2 LDA BCC JD3 MSG Whereo LDY CPY ANY OtherSTA Outflg Outall PHA Output PHAROL Priflg Restore FLG Wrax JSR Numa EAA3 CA DEX Memerr JSR STA STIY+2 Dehalf LDA EC5E 4A LSR Only ROW Debkey LDX Onekey LDAED3B 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 Newcol LDA NEW Print ROWBkcksm LDA Ckbuff LDAOUTTA2 LDX OUTTA1 PHAZero Leftmost Column F2E1 3E7E7F3E7F7FCOL0DB BGYU76HN Getfmt TAX RtmodeMNNDX1 LSR 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 IMMED1 LDX Tryjmp LDAConvrt LDA OPCMP1 LDABrnchc JMP Compbr LDX FORMD2 LDXBrcomp LDA Forwrd LDA Backwd LDACuread TXA MATCH1 JMPPATCH4 LDX CURPO2 Dont do Anything if 8D PATC15 JSR Crlf Decode Command ADDS1A AddblkBkcksm BrcompCRA Goerr Namo E8CF NAMO1 RD2 EA5D RD1 E6AC AIM 65 Microcomputer Monitor Program ListingIntroduction Table of ContentsAIM 65 Microcomputer Basic Language Reference Manual Entering Basic Installing Basic in the AIM ROM Installation ProcedureMemory SIZE? WIDTH?Reentering Basic Exiting BasicBasic Cursor Printer ControlCHR$ Getting Started with Basic Basic Command SETASC Indirect Commands Direct and Indirect Commands Direct CommandsOperating on Programs and Lines Listing a ProgramReplacing a Line Deleting a LineDeleting a Program 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$Print A, A*2 LET Z=7 Print Z, Z-A Remarks Program Using RelationsRelational Tests Input BSquare Root Program LoopingAN Improved Square Root Program Print NsqrnPrint Nsqrn Next N Another Square Root ProgramCOUNT-BACKWARD Program Some Other Looping OperationsPrint I,J Next Next J Print What is the NumberMatrix Operations Sort ProgramInput N Print BAD GUESS, TRY Again RestorePrint Must be Integer Stopping a Program$=ROCKWELL R6500 Print A$ Rockwell R6500 StringsLEN Function Print LENA$,LENMICROCOMPUTERMID$ Function RIGHT$ FunctionPrint C$ Basic FOR-ROCKWELL-R6500 VAL and Strs Functions Print B$ Basic for Rockwell R6500CHR$ Function Data AIM 65,DOGName Example PURPOSE/USE DIM Additional String ConsiderationsInput Input X$ Print Print X$ESC Operators Symbol Sample StatementCntl Print Print X/1.3Relational Operators Symbol Sample Statement PURPOSE/USENegation Operator Argument Result Not Not If not Q3 thenPrint Intruder Alert CommandsAlert Statement SYNTAX/FUNCTION Example ClearStatement SYNTAX/FUNCTION List Statement SYNTAX/FUNCTION FREStatement SYNTAX/FUNCTION Load Statement SYNTAX/FUNCTION NEWStatement SYNTAX/FUNCTION Example Save Statement SYNTAX/FUNCTION Example RUNProgram Statements Statement SYNTAX/FUNCTION Example DEFStatement SYNTAX/FUNCTION For Statement SYNTAX/FUNCTION DIMStatement SYNTAX/FUNCTION END Statement SYNTAX/FUNCTION Goto Statement SYNTAX/FUNCTION GosubStatement SYNTAX/FUNCTION IF...GOTO Statement SYNTAX/FUNCTION IF...THENStatement SYNTAX/FUNCTION LET If X0 then Print ERROR, X Negative Goto ExampleStatement SYNTAX/FUNCTION Next Statement SYNTAX/FUNCTION ON...GOSUBSymbol SYNTAX/FUNCTION Wait Statement SYNTAX/FUNCTION RestoreExample Restore Return Statement SYNTAX/FUNCTION ReturnStatement SYNTAX/FUNCTION POS Statement SYNTAX/FUNCTION InputStatement SYNTAX/FUNCTION Print Print Value ISAStatement SYNTAX/FUNCTION SPC Statement SYNTAX/FUNCTION ReadStatement SYNTAX/FUNCTION TAB String Functions Statement SYNTAX/FUNCTION ASCStatement SYNTAX/FUNCTION LEN Statement SYNTAX/FUNCTION LEFT$Statement SYNTAX/FUNCTION MID$ Statement SYNTAX/FUNCTION RIGHT$Statement SYNTAX/FUNCTION ATN Arithmetic Functions Statement SYNTAX/FUNCTION ABSStatement SYNTAX/FUNCTION COS Statement SYNTAX/FUNCTION EXPPrint Sgnx Statement SYNTAX/FUNCTION Example SGNStatement SYNTAX/FUNCTION Example SIN Print SinxInverse Hyperbolic Secant Error Messages?XX Error PRINTX,Y,Z TAB, SPCSpace Hints Speed Hints Storage Allocation InformationConverting Basic Programs not Written for AIM 65 Basic This is Probably the Most Important Speed HintOLD AIM OLDAscii Character Codes Decimal Assembly Language SubroutinesNUL SOH$AE Address ContentInputnumbern PrintxStoring AIM 65 Basic Programs on Cassette Recording on Cassette Using the Basic Save CommandRUN NUMBER? OUT=T F= Cassette Operations Using the AIM 65 EditorOUT=T F=FNAME T= IN=Entered by Alter Memory M ATN ImplementationOF9C 0FACSaving ATN Object Code on Cassette WIDTH? Bytes Free AIM 65 Basic
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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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