Apple II Original ROM Information
Qjjj
Data
0005A0 FDA9A920 EDFDA98D 4CEDFDA9 8D4CEDFD
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JI@
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001AC0 FFFFE1E1 EFEEE7E8 EEE7F3FB FBEEE1EF
001AA0 F3FFE8E1 E8E8EFEB FFFFE0FF Ffefeeef
001AE0 E8EEE7E8 Efefeeef Eeefeeee Efeeeeee
001DB0 9CDD9CDE DD9EC3DD Cfcacdcb 00479AAD
001FB0 Ffffffff FFFF2071 E14CBFEF 2003EEA9
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60FFFFFF .JJ
DDBAF9F0 0DBDBAF9
FA60FFFF
02E61FBD JJJ
AEAEA8AD
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Return
Page
Basl
System Monitor Copyright
LOC0
LOC1
Mask
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
Save
LSR Prepare Carry for BC, BNC
Stat LDA R0L
JSR STAT2 Push LOW PC Byte VIA R12
JSR
LDA IN,Y
CMP
BNE Nomove
RTN
Mloop
DCR
BNZ Mloop
BM1
INR
BNC
BNZ
Load DOUBLE-BYTE Indirect
Example
Load Indirect
Store Indirect
POP Indirect
Store DOUBLE-BYTE Indirect
Store POP Indirect
Subtract
ACC
POP DOUBLE-BYTE Indirect
BNC LOOP1
Compare
BF A0 SET $A0BF
LOOP1 SUB
BNZ LOOP2
Return to 6502 Mode
Decrement
LOOP2
LOOP3 SUB
Branch if no Carry
Branch if Carry SET
Branch if Plus
Return from Sweet 16 Subroutine
Branch if Minus ONE
Branch if not Minus ONE
Break
STA IND+1 LDA OPTBL,X
LDA #ADRH
STA IND JMP
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Sweet 16 Introduction
Page
Source
NVA
DSP
Print Dbload Sweet REM Ctrl D
Input Enter String a $ , a $
Sweet
Poke 776 , a REM Poke Destination
Print Print Goto
Call -605 Return REM XAM8 in Monitor
Mnemr
MINI-ASSEMBLER
Baum
Mneml
SBC PCL Form ADDR-PC-2
JSR Cout Position
FORM7 STX A1H Save Index
BNE
ORG
CLC
STA
Norm LDA EXP1 ZERO?
Shift Dividend Left
Floating Point Representation LOW
Floating Point Package
Number Exponent Mantissa
Stored
High LOW EXP Mantissa
Floating Point Representation Examples
Floating Point Subroutine Descriptions
Page
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HIGH-ORDER
STY Init MANT1 LDY
STY
Calling Sequence
Page
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Page
Mmmmmmmm
Seeeeeee
Fsub
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 Normalized
Right Shift MANT1 or Swap with MANT2 on Carry
CMP
Normx BCC Norm If EXEN, Normalize PRODUCT, Else Complement
LDX Load X for High Byte of Exponent
Errata for Rankins Floating Point Routines
LDA STA
Fmul
LOG
Fadd
Fsub
Page
Mantissa
MOD 9/76 Load X for Later
M2MHL
Contin
1EAD LFA LDA Z,X
L2E DCM
Mdend
RTLOG1
Normx
Object Code Dump
Page
Lstcom
Tapdel
Hsbdry
Toutfl
=UIRQVC
Outvec
Urcvec
=UBRKVC
ADC
TAX
Stocom STA
ORA
BPL HASHUS+2
Restore Except A,F
JMP
BEQ
STX
CPX
TXA
Exwrap RTS
Chksad PHP
Outxah PHA
Nibasc 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 LDX
LDA Toutfl
8BFF 0D
Msfirst
Ddrdig
Bufadh
LOADT2
STA Mode
BNE Lcerr Last Char not
Kgettr LDA
H8DFF
BCC PACKT3
DUMPT4 LDY
Dumpt
DUMPT1 TXA
DMPT1A LDA
Outbth LDX
Outcht STX
Register Name Patch
HS Tape Boundary
Nowln
Rockwell International
Udrah
Uddra
TMASK1 =MOVAD
Oldlen
Length
Movad
TABUF2
Curpos
Checksum
Tabuff
Write Edge Detect Control not Used Because KB
EQS
CRB
CFD2A0A0A0A0
DB TO,EQS
SEI Disable Interrupt
RS6 JSR Crlow Clear Display
E1AC Have Valid Command
Space Comm
Nxtadd TYA
LOAD1A LDA
For
LOADK5 LDX
JMP LOADK5 Next
E46A EE INC Bkflg SET FLG
OUTCK1 PHA
Outcks LDA
DUMPT1 LDA
Dumpta LDX
E5EA
TOGTA1 LDA
TOGTA2 LDA
BCC JD3
MSG
Whereo LDY
CPY
ANY Other
STA Outflg
Outall PHA
Output PHA
ROL Priflg Restore FLG
Wrax JSR Numa
EAA3 CA DEX
Memerr JSR
STA STIY+2
Dehalf LDA
EC5E 4A LSR Only ROW
Debkey LDX
Onekey LDA
ED3B GET a Char from Tape Subroutine
Edba
LSR Cpiy Make Room for MSB
Outtty PHA
OUTD2A TXA
OUTD1A CPX
OUTDD1 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 ROW
Bkcksm LDA
Ckbuff LDA
OUTTA2 LDX
OUTTA1 PHA
Zero Leftmost Column
F2E1 3E7E7F3E7F7FCOL0
DB BGYU76HN
MNNDX2 LSR
Rtmode
Getfmt TAX
MNNDX1 LSR
PLA
PRADR2 LDA
PRADR4 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 Table
Startm JSR
Rdaddr LDY
IMMED1 LDX
Tryjmp LDA
Brnchc JMP
OPCMP1 LDA
Convrt LDA
Brcomp LDA
FORMD2 LDX
Compbr LDX
Forwrd LDA
Backwd LDA
Curead TXA
MATCH1 JMP
PATCH4 LDX CURPO2 Dont do Anything if 8D
PATC15 JSR Crlf Decode Command
Brcomp
Addblk
ADDS1A
Bkcksm
CRA
Goerr
Namo E8CF NAMO1
RD2 EA5D RD1
E6AC
AIM 65 Microcomputer Monitor Program Listing
AIM 65 Microcomputer Basic Language Reference Manual
Table of Contents
Introduction
WIDTH?
Installing Basic in the AIM ROM Installation Procedure
Entering Basic
Memory SIZE?
Printer Control
Exiting Basic
Reentering Basic
Basic Cursor
ASC
Getting Started with Basic Basic Command SET
CHR$
Listing a Program
Direct and Indirect Commands Direct Commands
Indirect Commands
Operating on Programs and Lines
List Printing Data
Deleting a Line
Replacing a Line
Deleting a Program
Number Format
Print ONE Half Equals 1/2
Number Output Format
Input R
Variables Assigning Variables with AN Input Statement
Variable Names
Print A, A*2 LET Z=7 Print Z, Z-A
PSTG$
Reserved Words
Input B
Program Using Relations
Remarks
Relational Tests
Print Nsqrn
Looping
Square Root Program
AN Improved Square Root Program
Some Other Looping Operations
Another Square Root Program
Print Nsqrn Next N
COUNT-BACKWARD Program
Sort Program
Print What is the Number
Print I,J Next Next J
Matrix Operations
Stopping a Program
Print BAD GUESS, TRY Again Restore
Input N
Print Must be Integer
Print LENA$,LENMICROCOMPUTER
Strings
$=ROCKWELL R6500 Print A$ Rockwell R6500
LEN Function
MID$ Function
RIGHT$ Function
Data AIM 65,DOG
Print B$ Basic for Rockwell R6500
Print C$ Basic FOR-ROCKWELL-R6500 VAL and Strs Functions
CHR$ Function
Print Print X$
Additional String Considerations
Name Example PURPOSE/USE DIM
Input Input X$
Print X/1.3
Operators Symbol Sample Statement
ESC
Cntl Print
Negation
Symbol Sample Statement PURPOSE/USE
Relational Operators
Operator Argument Result Not
Not If not Q3 then
Statement SYNTAX/FUNCTION Example Clear
Commands
Print Intruder Alert
Alert
Statement SYNTAX/FUNCTION NEW
Statement SYNTAX/FUNCTION FRE
Statement SYNTAX/FUNCTION List
Statement SYNTAX/FUNCTION Load
Statement SYNTAX/FUNCTION Example DEF
Statement SYNTAX/FUNCTION Example RUN
Statement SYNTAX/FUNCTION Example Save
Program Statements
Statement SYNTAX/FUNCTION END
Statement SYNTAX/FUNCTION DIM
Statement SYNTAX/FUNCTION For
Statement SYNTAX/FUNCTION IF...THEN
Statement SYNTAX/FUNCTION Gosub
Statement SYNTAX/FUNCTION Goto
Statement SYNTAX/FUNCTION IF...GOTO
Statement SYNTAX/FUNCTION ON...GOSUB
If X0 then Print ERROR, X Negative Goto Example
Statement SYNTAX/FUNCTION LET
Statement SYNTAX/FUNCTION Next
Statement SYNTAX/FUNCTION Return
Statement SYNTAX/FUNCTION Restore
Symbol SYNTAX/FUNCTION Wait
Example Restore Return
Print Value ISA
Statement SYNTAX/FUNCTION Input
Statement SYNTAX/FUNCTION POS
Statement SYNTAX/FUNCTION Print
String Functions Statement SYNTAX/FUNCTION ASC
Statement SYNTAX/FUNCTION Read
Statement SYNTAX/FUNCTION SPC
Statement SYNTAX/FUNCTION TAB
Statement SYNTAX/FUNCTION RIGHT$
Statement SYNTAX/FUNCTION LEFT$
Statement SYNTAX/FUNCTION LEN
Statement SYNTAX/FUNCTION MID$
Statement SYNTAX/FUNCTION EXP
Arithmetic Functions Statement SYNTAX/FUNCTION ABS
Statement SYNTAX/FUNCTION ATN
Statement SYNTAX/FUNCTION COS
Print Sinx
Statement SYNTAX/FUNCTION Example SGN
Print Sgnx
Statement SYNTAX/FUNCTION Example SIN
?XX Error
Error Messages
Inverse Hyperbolic Secant
Space Hints
TAB, SPC
PRINTX,Y,Z
Speed Hints
Storage Allocation Information
OLD
This is Probably the Most Important Speed Hint
Converting Basic Programs not Written for AIM 65 Basic
OLD AIM
SOH
Assembly Language Subroutines
Ascii Character Codes Decimal
NUL
Printx
Address Content
$AE
Inputnumbern
RUN NUMBER?
Recording on Cassette Using the Basic Save Command
Storing AIM 65 Basic Programs on Cassette
IN=
Cassette Operations Using the AIM 65 Editor
OUT=T F=
OUT=T F=FNAME T=
0FAC
ATN Implementation
Entered by Alter Memory M
OF9C
Saving ATN Object Code on Cassette
WIDTH? Bytes Free AIM 65 Basic