2771

F2C4 A9 0C

 

LDA #12

 

 

 

 

2772

F2C6 90 02

 

BCC SETSP1

 

 

 

 

2773

F2C8 A9 04

 

LDA #4

 

 

 

 

2774

F2CA 8D 0A A4

SETSP1

STA NPUL

 

 

 

 

2775

F2CD A9 12

 

LDA #18

 

 

 

 

2776

F2CF 90 02

 

BCC SETSP2

 

 

 

 

2777

F2D1 A9 06

 

LDA #6

 

 

 

 

2778

F2D3 8D 0C A4

SETSP2

STA TIMG+1

 

 

 

 

2779

F2D6 60

 

RTS

 

 

 

 

2780

F2D7

 

;.FILE A3/2

 

 

 

 

2781

F2D7

 

 

 

 

 

 

 

2782

F2D7

 

; ADDRESS TABLE FOR

EACH

PRINT COLUMN

 

 

2783

F2D7

 

; EACH

TBL CONTAINS

DOT PATTERNS FOR 1 OF THE 5 COLUMNS.

2784

F2D7

 

; DATA ARE STORED WITH EACH BYTE DEFINING ONE COLUMN...

2785

F2D7

 

; OF A CHARACTER, WITH THE TOP DOT CORRESPONDING TO THE..

2786

F2D7

 

; LSB IN THE BYTE

 

 

 

 

2787

F2D7 E1F221F361F3MTBL

.DW COL0,COL1,COL2,COL3,COL4

 

 

2787

F2DD A1F3E1F3

 

 

 

 

 

 

2788

F2E1

 

 

 

 

 

 

 

2789

F2E1

 

;DOT PATTERNS FOR COLUMN

ZERO (LEFTMOST COLUMN)

 

2790

F2E1 3E7E7F3E7F7FCOL0

.DB $3E,$7E,$7F,$3E,$7F,$7F,$7F,$3E

;@ -- G

2790

F2E7

7F3E

 

 

 

 

 

 

2791

F2E9 7F00207F7F7F

 

.DB $7F,$00,$20,$7F,$7F,$7F,$7F,$3E

;H -- O

2791

F2EF 7F3E

 

 

 

 

 

 

2792

F2F1 7F3E7F46013F

 

.DB $7F,$3E,$7F,$46,$01,$3F,$07,$7F

;P -- W

2792

F2F7

077F

 

 

 

 

 

 

2793

F2F9 6307617F0300

 

.DB $63,$07,$61,$7F,$03,$00,$02,$40

;X -- (

2793

F2FF 0240

 

 

 

 

 

 

2794

F301

000000142463

 

.DB $00,$00,$00,$14,$24,$63,$60,$00

;

-- '

2794

F307

6000

 

 

 

 

 

 

2795

F309

000014084008

 

.DB $00,$00,$14,$08,$40,$08,$40,$60

;( -- /

2795

F30F

4060

 

 

 

 

 

 

2796

F311

3E4462411827

 

.DB $3E,$44,$62,$41,$18,$27,$3C,$01

;0 -- 7

2796

F317

3C01

 

 

 

 

 

 

2797

F319

364600400814

 

.DB $36,$46,$00,$40,$08,$14,$41,$02

;8 -- ?

2797

F31F

4102

 

 

 

 

 

 

2798

F321

 

 

 

 

 

 

 

2799

F321

 

;DOT PATTERNS FOR COLUMN 1

 

 

2800

F321

410949414149COL1

.DB $41,$09,$49,$41,$41,$49,$09,$41

;@ -- G

2800

F327

0941

 

 

 

 

 

 

2801

F329

084140084002

 

.DB $08,$41,$40,$08,$40,$02,$06,$41

;H -- O

2801

F32F

0641

 

 

 

 

 

 

2802

F331

094109490140

 

.DB $09,$41,$09,$49,$01,$40,$18,$20

;P -- W

2802

F337

1820

 

 

 

 

 

 

2803

F339

140851410400

 

.DB $14,$08,$51,$41,$04,$00,$01,$40

;X -- (

2803

F33F

0140

 

 

 

 

 

 

2804

F341

0000077F2A13

 

.DB $00,$00,$07,$7F,$2A,$13,$4E,$04

;

-- '

2804

F347

4E04

 

 

 

 

 

 

2805

F349

1C4108083008

 

.DB $1C,$41,$08,$08,$30,$08,$00,$10

;( -- /

2805

F34F

0010

 

 

 

 

 

 

2806

F351

514251411445

 

.DB $51,$42,$51,$41,$14,$45,$4A,$71

;0 -- 7

2806

F357

4A71

 

 

 

 

 

 

2807

F359

494900341414

 

.DB $49,$49,$00,$34,$14,$14,$41,$01

;8 -- ?

2807

F35F

4101

 

 

 

 

 

 

2808

F361

 

 

 

 

 

 

 

2809

F361

 

;DOT PATTERNS FOR COLUMN 2

 

 

2810

F361

5D0949414149COL2

.DB $5D,$09,$49,$41,$41,$49,$09,$41

;@ -- G

2810

F367

0941

 

 

 

 

 

 

2811

F369

087F4114400C

 

.DB $08,$7F,$41,$14,$40,$0C,$08,$41

;H -- O

2811

F36F

0841

 

 

 

 

 

 

2812

F371

095119497F40

 

.DB $09,$51,$19,$49,$7F,$40,$60,$18

;P -- W

2812

F377

6018

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 185
Image 185
Apple II manual F2E1 3E7E7F3E7F7FCOL0, Zero Leftmost Column

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.