2970

F550

AA

 

TAX

 

 

2971

F551

10 01

 

BPL

PCADJ4

 

2972

F553

88

 

DEY

 

 

2973

F554

6D 25 A4

PCADJ4 ADC SAVPC

;PROG CNTR LOW

2974

F557

90 01

 

BCC RTS1

 

2975

F559

C8

 

INY

 

 

2976

F55A 60

RTS1

RTS

 

 

2977

F55B

 

 

 

 

 

2978

F55B 40024503D008MODE

.DB $40,2,$45,3,$D0,8,$40,9

2978

F561

4009

 

 

 

 

2979

F563

30224533D008

 

.DB $30,$22,$45,$33,$D0,8,$40,9

2979

F569

4009

 

 

 

 

2980

F56B 40024533D008

 

.DB $40,2,$45,$33,$D0,8,$40,9

2980

F571

4009

 

 

 

 

2981

F573

400245B3D008

 

.DB $40,2,$45,$B3,$D0,8,$40,9

2981

F579

4009

 

 

 

 

2982

F57B 00224433D08C

 

.DB 0,$22,$44,$33,$D0,$8C,$44,0

2982

F581

4400

 

 

 

 

2983

F583

11224433D08C

 

.DB $11,$22,$44,$33,$D0,$8C,$44,$9A

2983

F589

449A

 

 

 

 

2984

F58B 10 22 44 33

 

.DB $10,$22,$44,$33

2985

F58F D0 08 40 09

 

.DB $D0,8,$40,9

 

2986

F593

10224433D008

 

.DB $10,$22,$44,$33,$D0,8,$40,9

2986

F599

4009

 

 

 

 

2987

F59B 62 13 78 A9

 

.DB $62,$13,$78,$A9

2988

F59F

 

 

 

 

 

2989

F59F 002101020080MODE2

.DB 0,$21,1,2,0,$80,$59,$4D

2989

F5A5

594D

 

 

 

 

2990

F5A7 1112064A051D

 

.DB $11,$12,6,$4A,5,$1D

2991

F5AD

 

 

 

 

 

2992

F5AD 2C292C23282ECHAR1

.DB ",",$29,",#(","."

2993

F5B3 590058000041CHAR2

.DB "Y",0,"X",0,0,"A"

2994

F5B9

 

 

 

 

 

2995

F5B9 1C8A1C235D8BMNEML

.DB $1C,$8A,$1C,$23,$5D,$8B,$1B

2995

F5BF 1B

 

 

 

 

2996

F5C0 A1

 

.DB $A1

 

2997

F5C1 9D8A1D239D8B

 

.DB $9D,$8A,$1D,$23,$9D,$8B,$1D,$A1

2997

F5C7

1DA1

 

 

 

 

2998

F5C9 002919AE69A8

 

.DB 0,$29,$19,$AE,$69,$A8,$19,$23

2998

F5CF 1923

 

 

 

 

2999

F5D1 24531B232453

 

.DB $24,$53,$1B,$23,$24,$53,$19,$A1

2999

F5D7

19A1

 

 

 

 

3000

F5D9 001A5B5BA569

 

.DB 0,$1A,$5B,$5B,$A5,$69,$24,$24

3000

F5DF 2424

 

 

 

 

3001

F5E1 AEAEA8AD2900

 

.DB $AE,$AE,$A8,$AD,$29,0,$7C,0

3001

F5E7

7C00

 

 

 

 

3002

F5E9 159C6D9CA569

 

.DB $15,$9C,$6D,$9C,$A5,$69,$29,$53

3002

F5EF 2953

 

 

 

 

3003

F5F1 84133411A569

 

.DB $84,$13,$34,$11,$A5,$69,$23,$A0

3003

F5F7

23A0

 

 

 

 

3004

F5F9

 

 

 

 

 

3005

F5F9 D8625A482662MNEMR

.DB $D8,$62,$5A,$48,$26,$62,$94

3005

F5FF 94

 

 

 

 

3006

F600

88

 

.DB $88

 

3007

F601

5444C8546844

 

.DB $54,$44,$C8,$54,$68,$44,$E8,$94

3007

F607

E894

 

 

 

 

3008

F609

00B4088474B4

 

.DB 0,$B4,8,$84,$74,$B4,$28,$6E

3008

F60F

286E

 

 

 

 

3009

F611

74F4CC4A72F2

 

.DB $74,$F4,$CC,$4A,$72,$F2,$A4,$8A

3009

F617

A48A

 

 

 

 

3010

F619

00AAA2A27474

 

.DB 0,$AA,$A2,$A2,$74,$74,$74,$72

3010

F61F

7472

 

 

 

 

 

 

 

 

 

 

 

Page 189
Image 189
Apple II manual BPL PCADJ4

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.