JSR Cout Position | Apple II specs

F58F: 20 ED FD	119		JSR	COUT	;POSITION.
F592: 20 3A FF	120	RESETZ	JSR	BELL
F595: A9 A1	121	NXTLINE	LDA	#$A1	;'!'
F597: 85 33	122		STA	PROMPT	;INITIALIZE PROMPT
F599: 20 67 FD	123		JSR	GETLNZ	;GET LINE.
F59C: 20 C7 FF	124		JSR	ZMODE	;INIT SCREEN STUFF
F59F: AD 00 02	125		LDA	IN	;GET CHAR
F5A2: C9 A0	126		CMP	#$A0	;ASCII BLANK?
F5A4: F0 13	127		BEQ	SPACE	;YES
F5A6: C8	128		INY
F5A7: C9 A4	129		CMP	#$A4	;ASCII '$' IN COL 1?
F5A9: F0 92	130		BEQ	FAKEMON	;YES, SIMULATE MONITOR
F5AB: 88	131		DEY		;NO, BACKUP A CHAR
F5AC: 20 A7 FF	132		JSR	GETNUM	;GET A NUMBER
F5AF: C9 93	133		CMP	#$93	;':' TERMINATOR?
F5B1: D0 D5	134	ERR4	BNE	ERR2	;NO, ERR.
F5B3: 8A	135		TXA
F5B4: F0 D2	136		BEQ	ERR2	;NO ADR PRECEDING COLON.
F5B6: 20 78 FE	137		JSR	A1PCLP	;MOVE ADR TO PCL, PCH.
F5B9: A9 03	138	SPACE	LDA	#$3	;COUNT OF CHARS IN MNEMONIC
F5BB: 85 3D	139		STA	A1H
F5BD: 20 34 F6	140	NXTMN	JSR	GETNSP	;GET FIRST MNEM CHAR.
F5C0: 0A	141	NXTM	ASL
F5C1: E9 BE	142		SBC	#$BE	;SUBTRACT OFFSET
F5C3: C9 C2	143		CMP	#$C2	;LEGAL CHAR?
F5C5: 90 C1	144		BCC	ERR2	;NO.
F5C7: 0A	145		ASL		;COMPRESS-LEFT JUSTIFY
F5C8: 0A	146		ASL
F5C9: A2 04	147		LDX	#$4
F5CB: 0A	148	NXTM2	ASL		;DO 5 TRIPLE WORD SHIFTS
F5CC: 26 42	149		ROL	A4L
F5CE: 26 43	150		ROL	A4H
F5D0: CA	151		DEX
F5D1: 10 F8	152		BPL	NXTM2
F5D3: C6 3D	153		DEC	A1H	;DONE WITH 3 CHARS?
F5D5: F0 F4	154		BEQ	NXTM2	;YES, BUT DO 1 MORE SHIFT
F5D7: 10 E4	155		BPL	NXTMN	;NO
F5D9: A2 05	156	FORM1	LDX	#$5	;5 CHARS IN ADDR MODE
F5DB: 20 34 F6	157	FORM2	JSR	GETNSP	;GET FIRST CHAR OF ADDR
F5DE: 84 34	158		STY	YSAV
F5E0: DD B4 F9	159		CMP	CHAR1,X	;FIRST CHAR MATCH PATTERN?
F5E3: D0 13	160		BNE	FORM3	;NO
F5E5: 20 34 F6	161		JSR	GETNSP	;YES, GET SECOND CHAR
F5E8: DD BA F9	162		CMP	CHAR2,X	;MATCHES SECOND HALF?
F5EB: F0 0D	163		BEQ	FORM5	;YES.
F5ED: BD BA F9	164		LDA	CHAR2,X	;NO, IS SECOND HALF ZERO?
F5F0: F0 07	165		BEQ	FORM4	;YES.
F5F2: C9 A4	166		CMP	#$A4	;NO,SECOND HALF OPTIONAL?
F5F4: F0 03	167		BEQ	FORM4	;YES.
F5F6: A4 34	168		LDY	YSAV
F5F8: 18	169	FORM3	CLC		;CLEAR BIT-NO MATCH
F5F9: 88	170	FORM4	DEY		;BACK UP 1 CHAR
F5FA: 26 44	171	FORM5	ROL	FMT	;FORM FORMAT BYTE
F5FC: E0 03	172		CPX	#$3	;TIME TO CHECK FOR ADDR.
F5FE: D0 0D	173		BNE	FORM7	;NO
F600: 20 A7 FF	174		JSR	GETNUM	;YES
F603: A5 3F	175		LDA	A2H
F605: F0 01	176		BEQ	FORM6	;HIGH-ORDER BYTE ZERO
F607: E8	177		INX		;NO, INCR FOR 2-BYTE
F608: 86 35	178	FORM6	STX	L	;STORE LENGTH
F60A: A2 03	179		LDX	#$3	;RELOAD FORMAT INDEX
F60C: 88	180		DEY		;BACKUP A CHAR

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 JSR Cout Position

Models: II

JSR

COUT

;POSITION.

II specifications