LOADK5 LDX

0666	E35F 20		BD ED			JSR	ADDBK1	;JUST OUTPUT BLK CNT
0667	E362	A2	01			LDX	#1	;RESTORE X
0668	E364				;CHECK IF FILE IS CORRECT
0669	E364	BD	16	01	LOADT2 LDA TABUFF,X			;NOW CHCK FILE NAME
0670	E367	DD	2D	A4		CMP	NAME-1,X
0671	E36A D0		C3			BNE	LOADTA	;IF NO FILENAME GET
0672	E36C E8					INX		;ANOTHER BLOCK
0673	E36D E0		06			CPX	#6	;FILENAME=5 CHRS
0674	E36F D0		F3			BNE	LOADT2
0675	E371	8E	36	A4		STX	TAPTR	;SAVE TAPE BUFF PTR
0676	E374	EE	11	A4		INC	PRIFLG	;OUTPUT MSG ONLY TO DISPLAY
0677	E377	A9	00			LDA	#0	;CLEAR DISPLAY POINTER
0678	E379	8D	15	A4		STA	CURPO2
0679	E37C A0		66			LDY	#TMSG7-M1	;PRINT "LOAD " WITHOUT CLR DISPL
0680	E37E 20		96	E3		JSR	CKER1
0681	E381	CE	11	A4		DEC	PRIFLG
0682	E384	60				RTS
0683	E385
0684	E385				;LINE CKSUM ERROR
0685	E385	20	8E	E3	CKERR	JSR CKER0		;SUBR SO MNEM ENTRY CAN USE IT
0686	E388	20	DB E2			JSR WRITAZ		;WRITE ADDR
0687	E38B 4C		A1	E1		JMP	COMIN
0688	E38E 20		FE E8		CKER0	JSR	LL	;SET DEFAULT DEVICES
0689	E391	20	24	EA		JSR	CRCK	;<CR>
0690	E394	A0	52		CKER00 LDY		#TMSG3-M1	;PRINT "ERROR"
0691	E396	B9	00	E0	CKER1	LDA	M1,Y	;DONT CLR DISPLAY TO THE RIGHT
0692	E399	C9	3B			CMP	#SEMICOLON
0693	E39B F0		06			BEQ	CKER2
0694	E39D 20		7A	E9		JSR OUTPUT		;ONLY TO TERMINAL
0695	E3A0 C8					INY
0696	E3A1 D0		F3			BNE	CKER1
0697	E3A3 60				CKER2	RTS
0698	E3A4
0699	E3A4				;LOAD ROUTINE FROM TAPE WITH KIM-1 FORMAT
0700	E3A4 20		4D	EB	LOADKI JSR CLRCK			;CLEAR CKSUM
0701	E3A7 20		EA ED		LOADK1 JSR TAISET			;SET TAPE FOR INPUT
0702	E3AA 20		29	EE	LOADK2 JSR GETTAP			;READ CHARACTER FROM TAPE
0703	E3AD C9		2A			CMP #'*'		;BEGINNING OF FILE?
0704	E3AF F0		06			BEQ LOADK3		;YES,BRNCH
0705	E3B1 C9		16			CMP #$16		;IF NOT * SHOULD BE SYN
0706	E3B3 D0		F2			BNE	LOADK1
0707	E3B5 F0		F3			BEQ	LOADK2
0708	E3B7 20		FD E3		LOADK3 JSR		RBYTE	;READ ID FROM TAPE
0709	E3BA 8D		21	A4		STA SAVA		;SAVE ID
0710	E3BD				;NOW GET ADDR TO DISPLAY
0711	E3BD				;& COMPARE		ID AFTERWARDS
0712	E3BD 20		4B	E5		JSR	CHEKAR	;GET START ADDR LOW
0713	E3C0 8D		1C	A4		STA	ADDR
0714	E3C3 20		4B	E5		JSR	CHEKAR	;GET START ADDR HIGH
0715	E3C6 8D		1D	A4		STA	ADDR+1
0716	E3C9 20		25	E4		JSR	GETID	;ID FROM HIM
0717	E3CC CD		21	A4		CMP	SAVA	;DO IDS MATCH?
0718	E3CF D0		D3			BNE	LOADKI	;NO ,GET ANOTHER FILE
0719	E3D1 A2		02		LOADK5 LDX		#$02	;GET 2 CHARS
0720	E3D3 20		29	EE	LOADK6 JSR		GETTAP	;1 CHAR FROM TAPE
0721	E3D6 C9		2F			CMP	#'/'	;LAST CHAR ?
0722	E3D8 F0		0E			BEQ	LOADK7	;YES,BRNCH
0723	E3DA 20		84	EA		JSR	PACK	;CONVERT TO HEX
0724	E3DD B0		A6			BCS CKERR		;NOT HEX CHAR SO ERROR
0725	E3DF CA					DEX
0726	E3E0 D0		F1			BNE	LOADK6
0727	E3E2 20		13	E4		JSR	STBYTE	;STORE & CHCK MEM FAIL

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.

CMP

CMP

CMP

CMP

II specifications