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Apple II manual LOADK5 LDX

Models: II

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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

Image 151

Apple II manual LOADK5 LDX

Contents

Apple II Original ROM Information Qjjj Data0005A0 FDA9A920 EDFDA98D 4CEDFDA9 8D4CEDFD Page Page Page JI@ Page 001AC0 FFFFE1E1 EFEEE7E8 EEE7F3FB FBEEE1EF 001AA0 F3FFE8E1 E8E8EFEB FFFFE0FF Ffefeeef001AE0 E8EEE7E8 Efefeeef Eeefeeee Efeeeeee 001DB0 9CDD9CDE DD9EC3DD Cfcacdcb 00479AAD 001FB0 Ffffffff FFFF2071 E14CBFEF 2003EEA9 Page 60FFFFFF .JJ DDBAF9F0 0DBDBAF9FA60FFFF 02E61FBD JJJAEAEA8AD Page Page Return Page Basl System Monitor CopyrightLOC0 LOC1Mask INY NO, INC Index X-COORD LDY PCH PRMN1 LDA FMT1 DFB Format Above EOR STA A3H FAE2 A2 FB Tabv STA Vtabs to ROW in A-REG STA Bash BCC Clreol Clear to END of Line NXTA4 INC A4L Incr 2-BYTE A4 STA BASL,Y Replace Flashing Screen Fdad A5 3C LT2 LDA A2L,X Copy A2 2 Bytes to Ioprt LDA A2L SET RAM IN/OUT Vectors BCC RD3 Loop Until Done STA A3H,X DFB LIST-1 FFF3 CC BRTBL,X SaveLSR Prepare Carry for BC, BNC Stat LDA R0L JSR STAT2 Push LOW PC Byte VIA R12 JSR LDA IN,YCMP BNE NomoveRTN MloopDCR BNZ MloopBM1 INRBNC BNZLoad DOUBLE-BYTE Indirect ExampleLoad Indirect Store IndirectPOP Indirect Store DOUBLE-BYTE IndirectStore POP Indirect Subtract ACCPOP DOUBLE-BYTE Indirect BNC LOOP1 CompareBF A0 SET $A0BF LOOP1 SUBBNZ LOOP2 Return to 6502 ModeDecrement LOOP2LOOP3 SUB Branch if no CarryBranch if Carry SET Branch if PlusReturn from Sweet 16 Subroutine Branch if Minus ONEBranch if not Minus ONE BreakSTA IND+1 LDA OPTBL,X LDA #ADRHSTA IND JMP Page Page Sweet 16 Introduction Page Source NVA DSPPrint Dbload Sweet REM Ctrl D Input Enter String a $ , a $Sweet Poke 776 , a REM Poke DestinationPrint Print Goto Call -605 Return REM XAM8 in MonitorMnemr MINI-ASSEMBLERBaum MnemlSBC PCL Form ADDR-PC-2 JSR Cout Position FORM7 STX A1H Save Index BNE ORGCLC STANorm LDA EXP1 ZERO? Shift Dividend Left Floating Point Representation LOW Floating Point PackageNumber Exponent Mantissa StoredHigh LOW EXP Mantissa Floating Point Representation ExamplesFloating Point Subroutine Descriptions Page Page Page Page HIGH-ORDER STY Init MANT1 LDYSTY Calling SequencePage Page Page Page Page Page Mmmmmmmm SeeeeeeeFsub ORG SET Base page Adresses STA X2,X Common LOG of MANT/EXP1 Result in MANT/EXP1 Ovflw BRK Overflow 1EBB STA X2,X Load EXP/MANT2 with Z 1EBD DEX 1EBE BPL LF3 Addend YES,RETURN with MANT1 NormalizedRight Shift MANT1 or Swap with MANT2 on Carry CMPNormx BCC Norm If EXEN, Normalize PRODUCT, Else Complement LDX Load X for High Byte of Exponent Errata for Rankins Floating Point RoutinesLDA STA Fmul LOGFadd FsubPage Mantissa MOD 9/76 Load X for Later M2MHL Contin 1EAD LFA LDA Z,X L2E DCM Mdend RTLOG1Normx Object Code Dump Page Lstcom TapdelHsbdry Toutfl=UIRQVC OutvecUrcvec =UBRKVCADC TAXStocom STA ORABPL HASHUS+2 Restore Except A,F JMP BEQSTX CPXTXA Exwrap RTSChksad PHP Outxah PHANibasc and #$0F Nibble in a to Ascii in a BCS INST1 RTI Ldbyte JSR Inbyte Verify MEM E1PARM JMP STD2 MORED2 LDY JSR Brtt INC Ercnt UP to FF MEM3EX CLC SBC P3L BNE Exitgk Ksconf LDA Txtmov LDA BNE INRT2 Outone Newdev LDA Dftxfr LDXLDA Toutfl 8BFF 0D Msfirst Ddrdig BufadhLOADT2 STA Mode BNE Lcerr Last Char not Kgettr LDA H8DFF BCC PACKT3 DUMPT4 LDY DumptDUMPT1 TXA DMPT1A LDAOutbth LDX Outcht STX Register Name PatchHS Tape Boundary Nowln Rockwell InternationalUdrah UddraTMASK1 =MOVAD OldlenLength MovadTABUF2 CurposChecksum TabuffWrite Edge Detect Control not Used Because KB EQS CRBCFD2A0A0A0A0 DB TO,EQSSEI Disable Interrupt RS6 JSR Crlow Clear Display E1AC Have Valid Command Space Comm Nxtadd TYALOAD1A LDA ForLOADK5 LDX JMP LOADK5 Next E46A EE INC Bkflg SET FLG OUTCK1 PHA Outcks LDADUMPT1 LDA Dumpta LDXE5EA TOGTA1 LDA TOGTA2 LDA BCC JD3 MSG Whereo LDY CPY ANY OtherSTA Outflg Outall PHA Output PHAROL Priflg Restore FLG Wrax JSR Numa EAA3 CA DEX Memerr JSR STA STIY+2 Dehalf LDA EC5E 4A LSR Only ROW Debkey LDX Onekey LDAED3B GET a Char from Tape Subroutine Edba LSR Cpiy Make Room for MSB Outtty PHA OUTD2A TXA OUTD1A CPXOUTDD1 PHA LDA First Chip Select Prndot LDA LDA #PRTIME/256 Start T2 for 1.7 Msec BIT Imask See if DOT is SET Newcol LDA NEW Print ROWBkcksm LDA Ckbuff LDAOUTTA2 LDX OUTTA1 PHAZero Leftmost Column F2E1 3E7E7F3E7F7FCOL0DB BGYU76HN MNNDX2 LSR RtmodeGetfmt TAX MNNDX1 LSRPLA PRADR2 LDAPRADR4 DEX BPL PCADJ4 AIM Text Editor LDA END+1 CMP with END AF E7 JMP KEP RUB COMMAND-FIND String JMP CHN1 See if WE RAN Past END of Buffer Limit BEQ REP2 SBC Oldlen GOGO1 RTS FB46 8A9AAABACADA ROM TableStartm JSR Rdaddr LDY IMMED1 LDX Tryjmp LDABrnchc JMP OPCMP1 LDAConvrt LDA Brcomp LDA FORMD2 LDXCompbr LDX Forwrd LDA Backwd LDACuread TXA MATCH1 JMPPATCH4 LDX CURPO2 Dont do Anything if 8D PATC15 JSR Crlf Decode Command Brcomp AddblkADDS1A BkcksmCRA Goerr Namo E8CF NAMO1 RD2 EA5D RD1 E6AC AIM 65 Microcomputer Monitor Program ListingAIM 65 Microcomputer Basic Language Reference Manual Table of ContentsIntroduction WIDTH? Installing Basic in the AIM ROM Installation ProcedureEntering Basic Memory SIZE?Printer Control Exiting BasicReentering Basic Basic CursorASC Getting Started with Basic Basic Command SETCHR$ Listing a Program Direct and Indirect Commands Direct CommandsIndirect Commands Operating on Programs and LinesList Printing Data Deleting a LineReplacing a Line Deleting a ProgramNumber Format Print ONE Half Equals 1/2Number Output Format Input R Variables Assigning Variables with AN Input StatementVariable Names Print A, A*2 LET Z=7 Print Z, Z-A PSTG$Reserved Words Input B Program Using RelationsRemarks Relational TestsPrint Nsqrn LoopingSquare Root Program AN Improved Square Root ProgramSome Other Looping Operations Another Square Root ProgramPrint Nsqrn Next N COUNT-BACKWARD ProgramSort Program Print What is the NumberPrint I,J Next Next J Matrix OperationsStopping a Program Print BAD GUESS, TRY Again RestoreInput N Print Must be IntegerPrint LENA$,LENMICROCOMPUTER Strings$=ROCKWELL R6500 Print A$ Rockwell R6500 LEN FunctionMID$ Function RIGHT$ FunctionData AIM 65,DOG Print B$ Basic for Rockwell R6500Print C$ Basic FOR-ROCKWELL-R6500 VAL and Strs Functions CHR$ FunctionPrint Print X$ Additional String ConsiderationsName Example PURPOSE/USE DIM Input Input X$Print X/1.3 Operators Symbol Sample StatementESC Cntl PrintNegation Symbol Sample Statement PURPOSE/USERelational Operators Operator Argument Result Not Not If not Q3 thenStatement SYNTAX/FUNCTION Example Clear CommandsPrint Intruder Alert AlertStatement SYNTAX/FUNCTION NEW Statement SYNTAX/FUNCTION FREStatement SYNTAX/FUNCTION List Statement SYNTAX/FUNCTION LoadStatement SYNTAX/FUNCTION Example DEF Statement SYNTAX/FUNCTION Example RUNStatement SYNTAX/FUNCTION Example Save Program StatementsStatement SYNTAX/FUNCTION END Statement SYNTAX/FUNCTION DIMStatement SYNTAX/FUNCTION For Statement SYNTAX/FUNCTION IF...THEN Statement SYNTAX/FUNCTION GosubStatement SYNTAX/FUNCTION Goto Statement SYNTAX/FUNCTION IF...GOTOStatement SYNTAX/FUNCTION ON...GOSUB If X0 then Print ERROR, X Negative Goto ExampleStatement SYNTAX/FUNCTION LET Statement SYNTAX/FUNCTION NextStatement SYNTAX/FUNCTION Return Statement SYNTAX/FUNCTION RestoreSymbol SYNTAX/FUNCTION Wait Example Restore ReturnPrint Value ISA Statement SYNTAX/FUNCTION InputStatement SYNTAX/FUNCTION POS Statement SYNTAX/FUNCTION PrintString Functions Statement SYNTAX/FUNCTION ASC Statement SYNTAX/FUNCTION ReadStatement SYNTAX/FUNCTION SPC Statement SYNTAX/FUNCTION TABStatement SYNTAX/FUNCTION RIGHT$ Statement SYNTAX/FUNCTION LEFT$Statement SYNTAX/FUNCTION LEN Statement SYNTAX/FUNCTION MID$Statement SYNTAX/FUNCTION EXP Arithmetic Functions Statement SYNTAX/FUNCTION ABSStatement SYNTAX/FUNCTION ATN Statement SYNTAX/FUNCTION COSPrint Sinx Statement SYNTAX/FUNCTION Example SGNPrint Sgnx Statement SYNTAX/FUNCTION Example SIN?XX Error Error MessagesInverse Hyperbolic Secant Space Hints TAB, SPCPRINTX,Y,Z Speed Hints Storage Allocation InformationOLD This is Probably the Most Important Speed HintConverting Basic Programs not Written for AIM 65 Basic OLD AIMSOH Assembly Language SubroutinesAscii Character Codes Decimal NULPrintx Address Content$AE InputnumbernRUN NUMBER? Recording on Cassette Using the Basic Save CommandStoring AIM 65 Basic Programs on Cassette IN= Cassette Operations Using the AIM 65 EditorOUT=T F= OUT=T F=FNAME T=0FAC ATN ImplementationEntered by Alter Memory M OF9CSaving ATN Object Code on Cassette WIDTH? Bytes Free AIM 65 Basic