BEQ REP2 | Apple II specification

3442	F951	F0	EB			BEQ REP2
3443	F953	B9	38	A4	R88	LDA DIBUFF,Y
3444	F956	91	DF			STA (NOWLN),Y
3445	F958	20	4A	FA		JSR GOGO
3446	F95B 88					DEY
3447	F95C 10 F5					BPL R88
3448	F95E 60					RTS
3449	F95F B0 6E				R2W	BCS R100	;LENGTH > OLDLEN
3450	F961
3451	F961				;LENGTH < OLDLEN
3452	F961	20	34	F9		JSR SAVNOW	;PUT NOWLN INTO ADDR
3453	F964	20	10	F9		JSR ADDRS1	;PUT IT IN S1 ALSO
3454	F967	A5	E9			LDA OLDLEN
3455	F969	38				SEC
3456	F96A E5 EA					SBC LENGTH	;GET DIFFERENCE IN LENGTHS
3457	F96C A4 EA					LDY LENGTH
3458	F96E D0 07					BNE RQP
3459	F970	AE 19 A4				LDX COUNT	;C-COMM ?
3460	F973	D0	02			BNE RQP	;YES, JUMP
3461	F975	69	00			ADC #0	;INCLUDE <CR>
3462	F977	48			RQP	PHA
3463	F978	18				CLC
3464	F979	6D	1A	A4		ADC S1
3465	F97C 8D 1A A4					STA S1
3466	F97F 90 03					BCC R6
3467	F981	EE 1B A4				INC S1+1
3468	F984	A9	1A		R6	LDA #S1
3469	F986	20	58	EB		JSR LDAY
3470	F989	91	DF			STA (NOWLN),Y	;...AND NOVE IT UP (DOWN IN ADDR)
3471	F98B 20 4A FA					JSR GOGO
3472	F98E AA					TAX
3473	F98F AD 1A A4					LDA S1
3474	F992	C5	E1			CMP BOTLN	;DONE ??
3475	F994	D0	07			BNE R5
3476	F996	AD 1B A4				LDA S1+1
3477	F999	C5	E2			CMP BOTLN+1
3478	F99B F0 0E					BEQ R7
3479	F99D 20 28 F9				R5	JSR AD1
3480	F9A0 EE 1A A4					INC S1
3481	F9A3 D0 03					BNE R55
3482	F9A5 EE 1B A4					INC S1+1
3483	F9A8 4C 84 F9				R55	JMP R6
3484	F9AB 20 D0 F8				R7	JSR RESNOW	;RESTORE NOWLN
3485	F9AE 68					PLA	;RESTORE DIFFERENCE
3486	F9AF 8D 2A A4					STA CPIY	;SAVE IT
3487	F9B2 A5 E1					LDA BOTLN
3488	F9B4 38					SEC
3489	F9B5 ED 2A A4					SBC CPIY	;AND SUBTRACT IT FROM BOTTOM
3490	F9B8 85 E1					STA BOTLN
3491	F9BA B0 02					BCS R9
3492	F9BC C6 E2					DEC BOTLN+1
3493	F9BE AD 19 A4				R9	LDA COUNT	;C COMM OR K ,I COMM ?
3494	F9C1 D0 04					BNE R10
3495	F9C3 A4 EA					LDY LENGTH
3496	F9C5 D0 05					BNE R11
3497	F9C7 A4 EA				R10	LDY LENGTH
3498	F9C9 D0 83					BNE R87
3499	F9CB 60					RTS
3500	F9CC 4C 47 F9				R11	JMP R8
3501	F9CF
3502	F9CF				;LENGTH > OLDLEN
3503	F9CF A5 EA				R100	LDA LENGTH	;NEW LINE IS LONGER

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.