LDA Toutfl

1543	8BAF AD 54 A6		LDA TOUTFL
1544	8BB2 09 40		ORA #$40
1545	8BB4 8D 54 A6		STA TOUTFL
1546	8BB7 20 86 8B	VECSW	JSR ACCESS	;UN WRITE PROT RAM
1547	8BBA A2 08		LDX #$8
1548	8BBC BD 6F 8C	SWLP2	LDA TRMTBL,X
1549	8BBF 9D 60 A6		STA INVEC,X
1550	8BC2 CA		DEX
1551	8BC3 10 F7		BPL SWLP2
1552	8BC5 60		RTS
1553	8BC6	;
1554	8BC6	;***
1555	8BC6	;*** TABLES (I/O CONFIGURATIONS, KEY CODES, ASCII CODES)
1556	8BC6	;***
1557	8BC6 00 80 08 37 VALS		.DB $00,$80,$08,$37		;KB SENSE, A=1
1558	8BCA 00 7F 00 30		.DB $00,$7F,$00,$30		;KB LRN, A=5
1559	8BCE 00 FF 00 3F		.DB $00,$FF,$00,$3F		;SCAN DSP, A=9
1560	8BD2 00 00 07 3F		.DB $00,$00,$07,$3F		;BEEP, A=D
1561	8BD6	VALSP2 =VALS+2
1562	8BD6	SYM	=*	;KEY CODES RETURNED BY LRNKEY
1563	8BD6	TABLE	=*
1564	8BD6 01		.DB $01	;0/U0
1565	8BD7 41		.DB $41	;1/U1
1566	8BD8 81		.DB $81	;2/U2
1567	8BD9 C1		.DB $C1	;3/U3
1568	8BDA 02		.DB $02	;4/U4
1569	8BDB 42		.DB $42	;5/U5
1570	8BDC 82		.DB $82	;6/U6
1571	8BDD C2		.DB $C2	;7/U7
1572	8BDE 04		.DB $04	;8/JMP
1573	8BDF 44		.DB $44	;9/VER
1574	8BE0 84		.DB $84	;A/ASCII
1575	8BE1 C4		.DB $C4	;B/BLK MOV
1576	8BE2 08		.DB $08	;C/CALC
1577	8BE3 48		.DB $48	;D/DEP
1578	8BE4 88		.DB $88	;E/EXEC
1579	8BE5 C8		.DB $C8	;F/FILL
1580	8BE6 10		.DB $10	;CR/SD
1581	8BE7 50		.DB $50	;-/+
1582	8BE8 90		.DB $90	;>/<
1583	8BE9 D0		.DB $D0	;SHIFT
1584	8BEA 20		.DB $20	;GO/LP
1585	8BEB 60		.DB $60	;REG/SP
1586	8BEC A0		.DB $A0	;MEM/WP
1587	8BED 00		.DB $00	;L2/L1
1588	8BEE 40		.DB $40	;S2/S1
1589	8BEF	ASCIM1 =*-1
1590	8BEF	ASCII	=*	;ASCII CODES AND HASH CODES
1591	8BEF 30		.DB $30	;ZERO
1592	8BF0 31		.DB $31	;ONE
1593	8BF1 32		.DB $32	;TWO
1594	8BF2 33		.DB $33	;THREE
1595	8BF3 34		.DB $34	;FOUR
1596	8BF4 35		.DB $35	;FIVE
1597	8BF5 36		.DB $36	;SIX
1598	8BF6 37		.DB $37	;SEVEN
1599	8BF7 38		.DB $38	;EIGHT
1600	8BF8 39		.DB $39	;NINE
1601	8BF9 41		.DB $41	;A
1602	8BFA 42		.DB $42	;B
1603	8BFB 43		.DB $43	;C
1604	8BFC 44		.DB $44	;D

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 LDA Toutfl

Models: II

;KB SENSE, A=1

SYM

;KEY CODES RETURNED BY LRNKEY

;NINE

II specifications