1345

E892

A9

0D

 

 

LDA

#CR

;OUTPUT LAST LINE IF ON

1346

E894

4C

00

F0

 

JMP

OUTPRI

;& CLEAR PRINTER PTR

1347

E897

 

 

 

;USER SET UP

 

1348

E897

C9

55

 

WHRO3

CMP #'U'

;USR RTN?

1349

E899

D0

04

 

 

BNE

WHRO4

 

1350

E89B 18

 

 

 

CLC

 

;CLR FLG FOR INITIALIZATION

1351

E89C 6C 0A 01

 

JMP (UOUT)

;USER OUTPUT SETUP

1352

E89F

 

 

 

;ANY OTHER

 

 

1353

E89F 4C 13 EA

WHRO4

JMP

CRLOW

 

1354

E8A2

 

 

 

 

 

 

 

1355

E8A2

 

 

 

;GET FILE NAME & TAPE UNIT

1356

E8A2 20 9E EB

FNAM

JSR PHXY

;SAVE IN/OUT FLG (X)

1357

E8A5 20 CF E8

 

JSR NAMO

;GET NAME

1358

E8A8 A0 50

 

WHICHT LDY #TMSG2-M1

;PRINT "T="

1359

E8AA 20 70 E9

 

JSR KEPR

;OUTPUT MSG & INPUT CHR

1360

E8AD C9 0D

 

 

CMP

#CR

 

1361

E8AF D0 02

 

 

BNE

TAP1

 

1362

E8B1 A9 31

 

 

LDA #'1'

;<CR> ==> TAPE 1

1363

E8B3 38

 

 

TAP1

SEC

 

 

1364

E8B4 E9 31

 

 

SBC #'1'

;SUBTRACT 31

1365

E8B6 30 04

 

 

BMI TAP2

;ONLY 1,2 OK

1366

E8B8 C9 02

 

 

CMP

#2

 

1367

E8BA 30 06

 

 

BMI

TAP3

;OK

1368

E8BC 20 D4 E7

TAP2

JSR

QM

;ERROR

1369

E8BF 4C A8 E8

 

JMP

WHICHT

 

1370

E8C2 20 AC EB

TAP3

JSR

PLXY

;IN/OUT FLG

1371

E8C5 9D 34 A4

 

STA

TAPIN,X

;IF X=0 --> TAPIN (TAPE 1 OR 2)

1372

E8C8 20 83 FE

 

JSR

CUREAD

;GET ANYTHING

1373

E8CB 20 24 EA

 

JSR

CRCK

;<CR>

1374

E8CE 60

 

 

 

RTS

 

;IF X=1 --> TAPOUT (TAPE 1 OR 2)

1375

E8CF

 

 

 

 

 

 

 

1376

E8CF

 

 

 

;GET FILE NAME

 

1377

E8CF A0 4D

 

NAMO

LDY #TMSG1-M1

;PRINT "F="

1378

E8D1 20 AF E7

 

JSR KEP

;NO CRLF

1379

E8D4 A0 00

 

 

LDY

#0

 

1380

E8D6 20 5F E9

NAMO1

JSR

RDRUP

;GET CHAR

1381

E8D9 C9 0D

 

 

CMP

#CR

;DONE?

1382

E8DB F0 0C

 

 

BEQ

NAMO2

 

1383

E8DD C9 20

 

 

CMP

#' '

 

1384

E8DF F0 08

 

 

BEQ

NAMO2

 

1385

E8E1 99 2E A4

 

STA NAME,Y

;STORE

1386

E8E4 C8

 

 

 

INY

 

 

1387

E8E5 C0 05

 

 

CPY

#5

 

1388

E8E7 D0 ED

 

 

BNE

NAMO1

 

1389

E8E9

 

 

 

;BLANK REST OF NAME

 

1390

E8E9 A9 20

 

NAMO2

LDA

#' '

 

1391

E8EB C0 05

 

NAMO3

CPY

#5

 

1392

E8ED F0 06

 

 

BEQ

NAMO4

 

1393

E8EF 99 2E A4

 

STA

NAME,Y

 

1394

E8F2 C8

 

 

 

INY

 

 

1395

E8F3 D0 F6

 

 

BNE

NAMO3

 

1396

E8F5 4C 3E E8

NAMO4

JMP

BLANK

 

1397

E8F8

 

 

 

 

 

 

 

1398

E8F8

 

 

 

;SET INPUT

FROM TERMINAL (KB OR TTY)

1399

E8F8 A9 0D

 

INLOW

LDA

#CR

 

1400

E8FA 8D 12 A4

 

STA

INFLG

 

1401

E8FD 60

 

 

 

RTS

 

 

1402

E8FE

 

 

 

 

 

 

 

1403

E8FE

 

 

 

;SET I/O

TO TERMINAL (KB & D/P ,OR TTY)

1404

E8FE 20 F8 E8

LL

JSR

INLOW

 

1405

E901

 

 

 

 

 

 

 

1406

E901

 

 

 

;SET OUTPUT TO TERMINAL (D/P OR TTY)

 

 

 

 

 

 

 

 

 

Page 162
Image 162
Apple II manual ANY Other, Cpy

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.