0365

8206

38

 

 

 

SEC

 

 

0366

8207

60

 

 

 

RTS

 

 

0367

8208

A2

10

 

PSHOVE LDX #$10

;PUSH PARMS DOWN

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60

 

 

 

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20

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JSR SAVER

;GET PARMS - RETURN ON C/R OR ERR

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#$03

 

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30

 

 

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827B

90

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BCC

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47

 

 

CMP

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0417

827F

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08

 

 

BCS

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0418

8281

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41

 

 

CMP

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0419

8283

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BCS

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CMP

#':'

 

0421

8287

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06

 

 

BCC

M28

 

0422

8289

C9

30

 

M26

CMP

#'0'

 

0423

828B

38

 

 

 

SEC

 

;CARRY SET - NON HEX

0424

828C

60

 

 

 

RTS

 

 

0425

828D

E9

37

 

M27

SBC

#$37

 

0426

828F

29

0F

 

M28

AND

#$0F

 

 

 

 

 

 

 

 

 

 

Page 108
Image 108
Apple II manual Beq, Stx, Cpx, Jmp, Ascnib CMP, Bcc

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.