Format Above | Apple II manual

F9D8: 24 53 1B	347		DFB	$24,$53,$1B,$23,$24,$53
F9DB: 23 24 53
F9DE: 19 A1	348		DFB	$19,$A1	;(A) FORMAT ABOVE
F9E0: 00 1A 5B	349		DFB	$00,$1A,$5B,$5B,$A5,$69
F9E3: 5B A5 69
F9E6: 24 24	350		DFB	$24,$24	;(B) FORMAT
F9E8: AE AE A8	351		DFB	$AE,$AE,$A8,$AD,$29,$00
F9EB: AD 29 00
F9EE: 7C 00	352		DFB	$7C,$00	;(C) FORMAT
F9F0: 15 9C 6D	353		DFB	$15,$9C,$6D,$9C,$A5,$69
F9F3: 9C A5 69
F9F6: 29 53	354		DFB	$29,$53	;(D) FORMAT
F9F8: 84 13 34	355		DFB	$84,$13,$34,$11,$A5,$69
F9FB: 11 A5 69
F9FE: 23 A0	356		DFB	$23,$A0	;(E) FORMAT
FA00: D8 62 5A	357	MNEMR	DFB	$D8,$62,$5A,$48,$26,$62
FA03: 48 26 62
FA06: 94 88 54	358		DFB	$94,$88,$54,$44,$C8,$54
FA09: 44 C8 54
FA0C: 68 44 E8	359		DFB	$68,$44,$E8,$94,$00,$B4
FA0F: 94 00 B4
FA12: 08 84 74	360		DFB	$08,$84,$74,$B4,$28,$6E
FA15: B4 28 6E
FA18: 74 F4 CC	361		DFB	$74,$F4,$CC,$4A,$72,$F2
FA1B: 4A 72 F2
FA1E: A4 8A	362		DFB	$A4,$8A	;(A) FORMAT
FA20: 00 AA A2	363		DFB	$00,$AA,$A2,$A2,$74,$74
FA23: A2 74 74
FA26: 74 72	364		DFB	$74,$72	;(B) FORMAT
FA28: 44 68 B2	365		DFB	$44,$68,$B2,$32,$B2,$00
FA2B: 32 B2 00
FA2E: 22 00	366		DFB	$22,$00	;(C) FORMAT
FA30: 1A 1A 26	367		DFB	$1A,$1A,$26,$26,$72,$72
FA33: 26 72 72
FA36: 88 C8	368		DFB	$88,$C8	;(D) FORMAT
FA38: C4 CA 26	369		DFB	$C4,$CA,$26,$48,$44,$44
FA3B: 48 44 44
FA3E: A2 C8	370		DFB	$A2,$C8	;(E) FORMAT
FA40: FF FF FF	371		DFB $FF,$FF,$FF
FA43: 20 D0 F8	372	STEP	JSR	INSTDSP	;DISASSEMBLE ONE INST
FA46: 68	373		PLA		;	AT (PCL,H)
FA47: 85 2C	374		STA	RTNL	;ADJUST TO USER
FA49: 68	375		PLA		;	STACK. SAVE
FA4A: 85 2D	376		STA	RTNH	;	RTN ADR.
FA4C: A2 08	377		LDX	#$08
FA4E: BD 10 FB	378	XQINIT	LDA	INITBL-1,X ;INIT XEQ AREA
FA51: 95 3C	379		STA	XQT,X
FA53: CA	380		DEX
FA54: D0 F8	381		BNE	XQINIT
FA56: A1 3A	382		LDA	(PCL,X)	;USER OPCODE BYTE
FA58: F0 42	383		BEQ	XBRK	;SPECIAL IF BREAK
FA5A: A4 2F	384		LDY	LENGTH	;LEN FROM DISASSEMBLY
FA5C: C9 20	385		CMP	#$20
FA5E: F0 59	386		BEQ	XJSR	;HANDLE JSR, RTS, JMP,
FA60: C9 60	387		CMP	#$60	;	JMP (), RTI SPECIAL
FA62: F0 45	388		BEQ	XRTS
FA64: C9 4C	389		CMP	#$4C
FA66: F0 5C	390		BEQ	XJMP
FA68: C9 6C	391		CMP	#$6C
FA6A: F0 59	392		BEQ	XJMPAT
FA6C: C9 40	393		CMP	#$40
FA6E: F0 35	394		BEQ	XRTI

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.

Apple II manual Format Above

Models: II

;(A) FORMAT ABOVE

II specifications