Restore Except A,F | Apple II specification

0303	81A0	9D	07	01		STA	$0107,X
0304	81A3	BD 08 01				LDA	$0108,X
0305	81A6	9D	04	01		STA	$0104,X
0306	81A9	BD 06 01				LDA	$0106,X
0307	81AC 9D 08 01					STA	$0108,X
0308	81AF 98					TYA
0309	81B0	9D	06	01		STA	$0106,X
0310	81B3	68				PLA
0311	81B4	AA				TAX
0312	81B5	68				PLA
0313	81B6	28				PLP
0314	81B7	60			M15	RTS
0315	81B8				; RESTORE EXCEPT A,F
0316	81B8	08			RESXAF PHP
0317	81B9	BA				TSX
0318	81BA 9D 04 01					STA	$0104,X
0319	81BD 28					PLP
0320	81BE				; RESTORE EXCEPT F
0321	81BE 08				RESXF	PHP
0322	81BF 68					PLA
0323	81C0	BA				TSX
0324	81C1	9D	04	01		STA	$0104,X
0325	81C4				; RESTORE ALL 100%
0326	81C4	68			RESALL PLA
0327	81C5	A8				TAY
0328	81C6	68				PLA
0329	81C7	AA				TAX
0330	81C8	68				PLA
0331	81C9	28				PLP
0332	81CA 60					RTS
0333	81CB				;
0334	81CB				; MONITOR UTILITIES
0335	81CB				;
0336	81CB C9 20				ADVCK	CMP #$20		;SPACE?
0337	81CD F0 02					BEQ	M1
0338	81CF C9 3E					CMP #'>'		;FWD ARROW?
0339	81D1	38			M1	SEC
0340	81D2	60				RTS
0341	81D3	20	FA 82		OBCMIN JSR OUTBYT			;OUT BYTE, OUT COMMA, IN BYTE
0342	81D6	20	3A	83	COMINB JSR COMMA			;OUT COMMA, IN BYTE
0343	81D9	20	1B	8A	INBYTE JSR		INCHR
0344	81DC 20 75 82					JSR	ASCNIB
0345	81DF B0 14					BCS	OUT4
0346	81E1	0A				ASL	A
0347	81E2	0A				ASL	A
0348	81E3	0A				ASL	A
0349	81E4	0A				ASL	A
0350	81E5	8D	33	A6		STA	SCR3
0351	81E8	20	1B	8A		JSR	INCHR
0352	81EB 20 75 82					JSR	ASCNIB
0353	81EE B0 11					BCS	OUT2
0354	81F0	0D	33	A6		ORA	SCR3
0355	81F3	18			GOOD	CLC
0356	81F4	60				RTS
0357	81F5	C9	3A		OUT4	CMP #':'		;COLON ?
0358	81F7	D0	05			BNE	OUT1
0359	81F9	20	1B	8A		JSR	INCHR
0360	81FC D0 F5					BNE GOOD		;CARRIAGE RETURN?
0361	81FE B8				OUT1	CLV
0362	81FF 50 03					BVC	CRCHK
0363	8201	2C	04	82	OUT2	BIT	CRCHK
0364	8204	C9	0D		CRCHK	CMP	#$0D	;CHECK FOR C/R

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 Restore Except A,F

Models: II

; RESTORE EXCEPT A,F

II specifications