Ora, Txtmov LDA | Apple II specs

1295	89B7	CA				DEX
1296	89B8	88				DEY
1297	89B9	10	F0			BPL	CON1
1298	89BB 4C		C4	81		JMP	RESALL
1299	89BE 20		AF 88		HKEY	JSR	GETKEY	;GET KEY FROM KB AND ECHO ON KB
1300	89C1	20	88	81	OUTDSP JSR		SAVER	;DISPLAY OUT
1301	89C4	29	7F			AND	#$7F
1302	89C6	C9	07			CMP	#$07	;BELL?
1303	89C8	D0	03			BNE	NBELL
1304	89CA 4C		75	89		JMP	BEEPP3	;YES - BEEP
1305	89CD 20		06	8A	NBELL	JSR	TEXT	;PUSH INTO SCOPE BUFFER
1306	89D0	C9	2C			CMP	#$2C	;COMMA?
1307	89D2	D0	0A			BNE	OUD1
1308	89D4	AD	45	A6		LDA	RDIG
1309	89D7	09	80			ORA	#$80	;TURN ON DECIMAL PT
1310	89D9	8D	45	A6		STA	RDIG
1311	89DC D0		25			BNE	EXITOD
1312	89DE A2		3A		OUD1	LDX	#$3A
1313	89E0	DD	EE 8B		OUD2	CMP	ASCIM1,X
1314	89E3	F0	05			BEQ	GETSGS
1315	89E5	CA				DEX
1316	89E6	D0	F8			BNE	OUD2
1317	89E8	F0	19			BEQ	EXITOD
1318	89EA BD		28	8C	GETSGS LDA		SEGSM1,X	;GET CORR SEG CODE FROM TABLE
1319	89ED C9		F0			CMP	#$F0
1320	89EF F0		12			BEQ	EXITOD
1321	89F1	A2	00			LDX	#0
1322	89F3	48				PHA
1323	89F4	BD	41	A6	OUD3	LDA DISBUF+1,X		;SHOVE DOWN DISPLAY BUFFER
1324	89F7	9D	40	A6		STA	DISBUF,X
1325	89FA E8					INX
1326	89FB E0		05			CPX	#5
1327	89FD D0		F5			BNE	OUD3
1328	89FF 68					PLA
1329	8A00	8D	45	A6		STA	RDIG
1330	8A03	4C	C4	81	EXITOD JMP		RESALL
1331	8A06	48			TEXT	PHA		;UPDATE SCOPE BUFFER
1332	8A07	8A				TXA		;SAVE X
1333	8A08	48				PHA
1334	8A09	A2	1E			LDX #$1E		;PUSH DOWN 32 CHARS
1335	8A0B BD		00	A6	TXTMOV LDA		SCPBUF,X
1336	8A0E 9D		01	A6		STA	SCPBUF+1,X
1337	8A11	CA				DEX
1338	8A12	10	F7			BPL	TXTMOV
1339	8A14	68				PLA		;RESTORE X
1340	8A15	AA				TAX
1341	8A16	68				PLA		;RESTORE CHR
1342	8A17	8D	00	A6		STA SCPBUF		;STORE CHR IN EMPTY SLOT
1343	8A1A 60					RTS
1344	8A1B				;
1345	8A1B				;***
1346	8A1B				;*** TERMINAL I/O
1347	8A1B				;***
1348	8A1B 20		88	81	INCHR	JSR SAVER		;INPUT CHAR
1349	8A1E 20		41	8A		JSR	INJINV
1350	8A21	29	7F			AND	#$7F	;DROP PARITY
1351	8A23	C9	61			CMP	#$61	;ALPHA?
1352	8A25	90	06			BCC	INRT1
1353	8A27	C9	7B			CMP	#$7B
1354	8A29	B0	02			BCS	INRT1
1355	8A2B 29		DF			AND	#$DF	;CVRT TO UPPER CASE
1356	8A2D C9		0F		INRT1	CMP	#$0F	;CTL O ?

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 Ora, Txtmov LDA

Models: II

CMP

CMP

ORA

CMP

CMP

TXA

TXTMOV LDA

TAX

CMP

CMP

CMP

II specifications