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

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COMCN1

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COMTBL

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CORR

FB00

CLRLUP

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CONVRT

FD12

COMPBR

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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

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DATOUT

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DEBTIM

1388

DUMP

E43B

DU1

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DU0

E447

DU1B

E452

DU1A

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DU2

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DU6

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DU7

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DU8

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DU10

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DU11

E50A

DU12

E511

DU13

E520

DU14

E529

DUMPTA

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DUMPT1

E57B

DUMPKI

E587

DUK2

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DONE

E790

DON1

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DELAY

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DE2

EC1B

DEHALF

EC23

DEBKEY

ED2A

DEBK1

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DISASM

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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

 

 

 

 

 

 

Page 210
Image 210
Apple II manual Cra

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.