RD2 EA5D RD1 | Apple II specs

READ2	E94D	REA1	E956	RB2	E95C
RDRUP	E95F	RDR1	E96A	REDOUT	E973
RED2	E976	RD2	EA5D	RD1	EA70
RSPAC	EA7B	ROONEK	ECEF	ROO1	ED00
RDBIT	EE3B	RDBIT1	EE43	RDBIT2	EE51
RDBIT4	EE67	ROUT	F286	ROUT1	F28B
ROW1	F421	ROW2	F429	ROW3	F431
ROW4	F439	ROW5	F441	ROW6	F449
ROW7	F451	ROW8	F459	REGQ	F461
RTMODE	F491	RELADR	F530	RTS1	F55A
REENTR	F6CF	RESNOW	F8D0	REP2	F93E
REPLAC	F93F	R8	F947	R87	F94E
R88	F953	R2W	F95F	RQP	F977
R6	F984	R5	F99D	R55	F9A8
R7	F9AB	R9	F9BE	R10	F9C7
R11	F9CC	R100	F9CF	R101	F9DA
R102	F9E3	R108	F9EF	R103	F9FA
R107	FA0A	R104	FA17	R105	FA31
R1051	FA41	R106	FA44	RDADDR	FBE5
RDLUP	FE14	RED1	FE96	SAVE	00E7
STRING	00EB	S1	A41A	S2	0106
SAVPS	A420	SAVA	A421	SAVX	A422
SAVY	A423	SAVS	A424	SAVPC	A425
STIY	A427	STBKEY	A42B	SR	A80A
SP12	0001	SETREG	E113	START	E182
STA1	E185	STBYTE	E413	SHOW	E64D
SH1	E652	SHIS	E665	SH11	E66A
SEMI	E9BA	SADDR	EB78	SWSTAK	EBBA
SWST1	EBBD	SYNC	EDFF	SYNC1	EE11
SETZ	F282	SETSPD	F2C0	SETSP1	F2CA
SETSP2	F2D3	STOP	F870	SETBOT	F8C5
SUB	F91D	SUB1	F927	SAVNOW	F934
SIZEM	FB0F	STCODE	FB1E	STARTM	FBAA
STORCH	FBF6	STOR1	FC0A	STASH	FD2C
STSHLP	FD30	SRCHLP	FE44	SRCHM	FE47
STLO	FE6E	STLOAD	FE73	SEMICOLON	003B
TEXT	00E3	TYPE	012E	TMASK1	0126
TMASK2	0127	TEMPX	A431	TEMPA	A433
TSPEED	A408	TIMG	A40B	TAPIN	A434
TAPOUT	A435	TAPTR	A436	TAPTR2	A437
TABUFF	0116	TABUF2	00AD	T1L	A804
T1CH	A805	T1LL	A806	T1LH	A807
T2L	A808	T2H	A809	T2I	0000
T1I	0000	T1FR	00C0	TMSG0	E048
TMSG1	E04D	TMSG2	E050	TMSG3	E052
TMSG5	E05F	TMSG6	E061	TMSG7	E066
TOGTA1	E6BD	TOGTA2	E6CB	TRACE	E6DD
TOGL	E6E7	TOGL1	E6F6	TO	E7A7
TO1	E7A9	TTYTST	E842	TAP1	E8B3
TAP2	E8BC	TAP3	E8C2	TIBYTE	ED3B
TIB1	ED48	TIBY1	ED53	TIBY3	ED56
TIBY4	ED63	TIBY5	ED65	TIBY5A	ED88
TIBY6	EDAF	TIBY7	EDB0	TAISET	EDEA
TIOSET	EE1C	TIOS1	EE22	TIOS2	EE24
TOBYTE	F18B	TABY2	F1A7	TABY3	F1CE
TAOSET	F21D	TAOS1	F238	TRY	F258
TP	F6D2	TOPNO	F8BC	TPO1	F8C0
TYPTR1	FAE2	TYPTR2	FAF1	TYPTB	FB5E
TRYZP	FC28	TRY34	FC40	TRY56	FC5A
TRYINY	FC85	TRYJMP	FC94	UDRB	A000
UDRAH	A001	UDDRB	A002	UDDRA	A003
UT1L	A004	UT1CH	A005	UT1LL	A006

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 RD2 EA5D RD1

Models: II

RD2

EA5D

RD1

FB1E

TMSG3

II specifications