Apple II manual 8BFF 0D

Page 128

1605

8BFD 45

.DB

$45

;E

1606

8BFE 46

.DB

$46

;F

1607

8BFF 0D

.DB

$0D

;CR

1608

8C00

2D

.DB

$2D

;DASH

1609

8C01

3E

.DB

$3E

;>

1610

8C02

FF

.DB

$FF

;SHIFT

1611

8C03

47

.DB

$47

;G

1612

8C04

52

.DB

$52

;R

1613

8C05

4D

.DB

$4D

;M

1614

8C06

13

.DB

$13

;L2

1615

8C07

1E

.DB

$1E

;S2

1616

8C08

 

; KB UPPER

CASE

 

1617

8C08

14

.DB

$14

;U0

1618

8C09

15

.DB

$15

;U1

1619

8C0A 16

.DB

$16

;U2

1620

8C0B 17

.DB

$17

;U3

1621

8C0C 18

.DB

$18

;U4

1622

8C0D 19

.DB

$19

;U5

1623

8C0E 1A

.DB

$1A

;U6

1624

8C0F 1B

.DB

$1B

;U7

1625

8C10

4A

.DB

$4A

;J

1626

8C11

56

.DB

$56

;V

1627

8C12

FE

.DB

$FE

;ASCII

1628

8C13

42

.DB

$42

;B

1629

8C14

43

.DB

$43

;C

1630

8C15

44

.DB

$44

;D

1631

8C16

45

.DB

$45

;E

1632

8C17

46

.DB

$46

;F

1633

8C18

10

.DB

$10

;SD

1634

8C19

2B

.DB

$2B

;+

1635

8C1A 3C

.DB

$3C

;<

1636

8C1B 00

.DB

$00

;SHIFT

1637

8C1C 11

.DB

$11

;LP

1638

8C1D 1C

.DB

$1C

;SP

1639

8C1E 57

.DB

$57

;W

1640

8C1F 12

.DB

$12

;L1

1641

8C20

1D

.DB

$1D

;S1

1642

8C21

2E

.DB

$2E

;.

1643

8C22

20

.DB

$20

;BLANK

1644

8C23

3F

.DB

$3F

;?

1645

8C24

50

.DB

$50

;P

1646

8C25

07

.DB

$07

;BELL

1647

8C26

53

.DB

$53

;S

1648

8C27

58

.DB

$58

;X

1649

8C28

59

.DB

$59

;Y

1650

8C29

 

; SEGMENT CODES FOR ON-BOARD DISPLAY

1651

8C29

 

SEGSM1 =*-1

 

1652

8C29

3F

.DB $3F

;ZERO

1653

8C2A 06

.DB $06

;ONE

1654

8C2B 5B

.DB $5B

;TWO

1655

8C2C 4F

.DB $4F

;THREE

1656

8C2D 66

.DB $66

;FOUR

1657

8C2E 6D

.DB $6D

;FIVE

1658

8C2F 7D

.DB $7D

;SIX

1659

8C30

07

.DB $07

;SEVEN

1660

8C31

7F

.DB $7F

;EIGHT

1661

8C32

67

.DB $67

;NINE

1662

8C33

77

.DB $77

;A

1663

8C34

7C

.DB $7C

;B

1664

8C35

39

.DB $39

;C

1665

8C36

5E

.DB $5E

;D

1666

8C37

79

.DB $79

;E

 

 

 

 

 

 

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Image 128
Page 127 Page 129
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 DDBAF9F0 0DBDBAF9 FA60FFFF02E61FBD JJJ 60FFFFFF .JJAEAEA8AD Page Page Return Page System Monitor Copyright LOC0LOC1 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 LDA IN,Y CMPBNE Nomove JSRMloop DCRBNZ Mloop RTNINR BNCBNZ BM1Example Load IndirectStore Indirect Load DOUBLE-BYTE IndirectStore POP Indirect Store DOUBLE-BYTE IndirectPOP Indirect POP DOUBLE-BYTE Indirect ACCSubtract Compare BF A0 SET $A0BFLOOP1 SUB BNC LOOP1Return to 6502 Mode DecrementLOOP2 BNZ LOOP2Branch if no Carry Branch if Carry SETBranch if Plus LOOP3 SUBBranch if Minus ONE Branch if not Minus ONEBreak Return from Sweet 16 SubroutineSTA IND JMP LDA #ADRHSTA IND+1 LDA OPTBL,X Page Page Sweet 16 Introduction Page Source DSP Print Dbload Sweet REM Ctrl DInput Enter String a $ , a $ NVAPoke 776 , a REM Poke Destination Print Print GotoCall -605 Return REM XAM8 in Monitor SweetMINI-ASSEMBLER BaumMneml MnemrSBC PCL Form ADDR-PC-2 JSR Cout Position FORM7 STX A1H Save Index ORG CLCSTA BNENorm LDA EXP1 ZERO? Shift Dividend Left Floating Point Package Floating Point Representation LOWStored High LOW EXP MantissaFloating Point Representation Examples Number Exponent MantissaFloating Point Subroutine Descriptions Page Page Page Page STY Init MANT1 LDY STYCalling 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 YES,RETURN with MANT1 Normalized Right Shift MANT1 or Swap with MANT2 on CarryCMP AddendNormx BCC Norm If EXEN, Normalize PRODUCT, Else Complement LDA STA Errata for Rankins Floating Point RoutinesLDX Load X for High Byte of Exponent LOG FaddFsub FmulPage Mantissa MOD 9/76 Load X for Later M2MHL Contin 1EAD LFA LDA Z,X L2E DCM Normx RTLOG1Mdend Object Code Dump Page Tapdel HsbdryToutfl LstcomOutvec Urcvec=UBRKVC =UIRQVCTAX ADCORA Stocom STABPL HASHUS+2 Restore Except A,F BEQ STXCPX JMPExwrap RTS Chksad PHPOutxah 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 Dftxfr LDX Newdev LDALDA Toutfl 8BFF 0D Msfirst LOADT2 BufadhDdrdig STA Mode BNE Lcerr Last Char not Kgettr LDA H8DFF BCC PACKT3 Dumpt DUMPT1 TXADMPT1A LDA DUMPT4 LDYOutbth LDX Register Name Patch Outcht STXHS Tape Boundary Rockwell International UdrahUddra NowlnOldlen LengthMovad TMASK1 =MOVADCurpos ChecksumTabuff 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 Rtmode Getfmt TAXMNNDX1 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 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 Addblk ADDS1ABkcksm BrcompCRA Goerr Namo E8CF NAMO1 RD2 EA5D RD1 AIM 65 Microcomputer Monitor Program Listing E6ACIntroduction Table of ContentsAIM 65 Microcomputer Basic Language Reference Manual Installing Basic in the AIM ROM Installation Procedure Entering BasicMemory SIZE? WIDTH?Exiting Basic Reentering BasicBasic Cursor Printer ControlCHR$ Getting Started with Basic Basic Command SETASC Direct and Indirect Commands Direct Commands Indirect CommandsOperating on Programs and Lines Listing a ProgramDeleting a Line Replacing 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 Program Using Relations RemarksRelational Tests Input BLooping Square Root ProgramAN Improved Square Root Program Print NsqrnAnother Square Root Program Print Nsqrn Next NCOUNT-BACKWARD Program Some Other Looping OperationsPrint What is the Number Print I,J Next Next JMatrix Operations Sort ProgramPrint BAD GUESS, TRY Again Restore Input NPrint Must be Integer Stopping a ProgramStrings $=ROCKWELL R6500 Print A$ Rockwell R6500LEN Function Print LENA$,LENMICROCOMPUTERRIGHT$ Function MID$ FunctionPrint B$ Basic for Rockwell R6500 Print C$ Basic FOR-ROCKWELL-R6500 VAL and Strs FunctionsCHR$ Function Data AIM 65,DOGAdditional String Considerations Name Example PURPOSE/USE DIMInput Input X$ Print Print X$Operators Symbol Sample Statement ESCCntl Print Print X/1.3Relational Operators Symbol Sample Statement PURPOSE/USENegation Not If not Q3 then Operator Argument Result NotCommands Print Intruder AlertAlert Statement SYNTAX/FUNCTION Example ClearStatement SYNTAX/FUNCTION FRE Statement SYNTAX/FUNCTION ListStatement SYNTAX/FUNCTION Load Statement SYNTAX/FUNCTION NEWStatement SYNTAX/FUNCTION Example RUN Statement SYNTAX/FUNCTION Example SaveProgram Statements Statement SYNTAX/FUNCTION Example DEFStatement SYNTAX/FUNCTION For Statement SYNTAX/FUNCTION DIMStatement SYNTAX/FUNCTION END Statement SYNTAX/FUNCTION Gosub Statement SYNTAX/FUNCTION GotoStatement SYNTAX/FUNCTION IF...GOTO Statement SYNTAX/FUNCTION IF...THENIf X0 then Print ERROR, X Negative Goto Example Statement SYNTAX/FUNCTION LETStatement SYNTAX/FUNCTION Next Statement SYNTAX/FUNCTION ON...GOSUBStatement SYNTAX/FUNCTION Restore Symbol SYNTAX/FUNCTION WaitExample Restore Return Statement SYNTAX/FUNCTION ReturnStatement SYNTAX/FUNCTION Input Statement SYNTAX/FUNCTION POSStatement SYNTAX/FUNCTION Print Print Value ISAStatement SYNTAX/FUNCTION Read Statement SYNTAX/FUNCTION SPCStatement SYNTAX/FUNCTION TAB String Functions Statement SYNTAX/FUNCTION ASCStatement SYNTAX/FUNCTION LEFT$ Statement SYNTAX/FUNCTION LENStatement SYNTAX/FUNCTION MID$ Statement SYNTAX/FUNCTION RIGHT$Arithmetic Functions Statement SYNTAX/FUNCTION ABS Statement SYNTAX/FUNCTION ATNStatement SYNTAX/FUNCTION COS Statement SYNTAX/FUNCTION EXPStatement SYNTAX/FUNCTION Example SGN Print SgnxStatement SYNTAX/FUNCTION Example SIN Print SinxInverse Hyperbolic Secant Error Messages?XX Error PRINTX,Y,Z TAB, SPCSpace Hints Storage Allocation Information Speed HintsThis is Probably the Most Important Speed Hint Converting Basic Programs not Written for AIM 65 BasicOLD AIM OLDAssembly Language Subroutines Ascii Character Codes DecimalNUL SOHAddress Content $AEInputnumbern PrintxStoring AIM 65 Basic Programs on Cassette Recording on Cassette Using the Basic Save CommandRUN NUMBER? Cassette Operations Using the AIM 65 Editor OUT=T F=OUT=T F=FNAME T= IN=ATN Implementation Entered by Alter Memory MOF9C 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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