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 <nowiki>;</nowiki>
 <nowiki>; Commodore VIC-20 ROM Memory Map</nowiki>
 <nowiki>; V1.0 1 Sep 1994</nowiki>

 <nowiki>;</nowiki>
 <nowiki>; Data types in headers (for reassembler):</nowiki>
 <nowiki>;</nowiki>
 <nowiki>; DATA </nowiki> Misc data
 <nowiki>; TEXT </nowiki> String terminated with 00
 <nowiki>; WORD </nowiki> Vectors in LO/HI byte pairs
 <nowiki>; CHIP </nowiki> I/O Area
 <nowiki>; EMPTY </nowiki> ROM containing FF's or AA's
 <nowiki>;</nowiki>

 <nowiki>;</nowiki>
 <nowiki>; BASIC v2.0 interpreter ROM ($B000 - $DFFF)</nowiki>
 <nowiki>; This is almost identical to the C64 one.</nowiki>
 <nowiki>;</nowiki>

 c000 - Basic Restart Vectors   WORD
 c004 - 'cbmbasic'    DATA
 c00c stmdsp BASIC Command Vectors   WORD
 c052 fundsp BASIC Function Vectors   WORD
 c080 optab BASIC Operator Vectors   WORD
 c09e reslst BASIC Command Keyword Table  DATA
 c129 msclst BASIC Misc. Keyword Table  DATA
 c140 oplist BASIC Operator Keyword Table  DATA
 c14d funlst BASIC Function Keyword Table  DATA
 c19e errtab Error Message Table   DATA
 c328 errptr Error Message Pointers   WORD
 c364 okk Misc. Messages    DATA
 <nowiki>;c364 </nowiki> 'ok'    TEXT
 <nowiki>;c369 </nowiki> 'error'     DATA

 c389 - Unused byte    DATA
 c38a fndfor Find FOR/GOSUB Entry on Stack
 c3b8 bltu Open Space in Memory
 c3fb getstk Check Stack Depth
 c408 reason Check Memory Overlap
 c435 omerr Output ?OUT OF MEMORY Error
 c437 error Error Routine
 c469 errfin Break Entry
 c474 ready Restart BASIC
 c480 main Input & Identify BASIC Line
 c49c main1 Get Line Number & Tokenise Text
 c4a2 inslin Insert BASIC Text
 c533 linkprg Rechain Lines
 c560 inlin Input Line Into Buffer
 c579 crunch Tokenise Input Buffer
 c613 fndlin Search for Line Number
 <nowiki>c642 scrtch Perform [new]</nowiki>
 <nowiki>c65e clear Perform [clr]</nowiki>
 c68e stxpt Reset TXTPTR
 <nowiki>c69c list Perform [list]</nowiki>
 c717 qplop Handle LIST Character
 <nowiki>c742 for Perform [for]</nowiki>
 c7ae newstt BASIC Warm Start
 c7c4 ckeol Check End of Program
 c7e1 gone Prepare to execute statement
 c7ed gone3 Perform BASIC Keyword
 <nowiki>c81d restor Perform [restore]</nowiki>
 <nowiki>c82c stop Perform [stop], [end], break</nowiki>
 <nowiki>c857 cont Perform [cont]</nowiki>
 <nowiki>c871 run Perform [run]</nowiki>
 <nowiki>c883 gosub Perform [gosub]</nowiki>
 <nowiki>c8a0 goto Perform [goto]</nowiki>
 <nowiki>c8d2 return Perform [return]</nowiki>
 <nowiki>c8f8 data Perform [data]</nowiki>
 c906 datan Search for Next Statement / Line
 <nowiki>c928 if Perform [if]</nowiki>
 <nowiki>c93b rem Perform [rem]</nowiki>
 <nowiki>c94b ongoto Perform [on]</nowiki>
 c96b linget Fetch linnum From BASIC
 <nowiki>c9a5 let Perform [let]</nowiki>
 c9c4 putint Assign Integer
 c9d6 ptflpt Assign Floating Point
 c9d9 putstr Assign String
 c9e3 puttim Assign TI$
 ca2c getspt Add Digit to FAC#1
 <nowiki>ca80 printn Perform [print]#</nowiki>
 <nowiki>ca86 cmd Perform [cmd]</nowiki>
 ca9a strdon Print String From Memory
 <nowiki>caa0 print Perform [print]</nowiki>
 cab8 varop Output Variable
 cad7 crdo Output CR/LF
 cae8 comprt Handle comma, TAB(, SPC(
 cb1e strout Output String
 cb3b outspc Output Format Character
 cb4d doagin Handle Bad Data
 <nowiki>cb7b get Perform [get]</nowiki>
 <nowiki>cba5 inputn Perform [input#]</nowiki>
 <nowiki>cbbf input Perform [input]</nowiki>
 cbea bufful Read Input Buffer
 cbf9 qinlin Do Input Prompt
 <nowiki>cc06 read Perform [read]</nowiki>
 cc35 rdget General Purpose Read Routine
 ccfc exint Input Error Messages   DATA
 <nowiki>;ccfc '?extra ignored'</nowiki>
 <nowiki>;cd0c '?redo from start'</nowiki>

 <nowiki>cd1e next Perform [next]</nowiki>
 cd61 donext Check Valid Loop
 cd8a frmnum Confirm Result
 cd9e frmevl Evaluate Expression in Text
 ce83 eval Evaluate Single Term
 cea8 pival Constant - pi    DATA
 cead qdot Continue Expression
 cef1 parchk Expression in Brackets
 cef7 chkcls Confirm Character
 cef7 - -test ')'-
 cefa - -test '('-
 cefd - -test comma-
 cf08 synerr Output ?SYNTAX Error
 cf0d domin Set up NOT Function
 cf14 rsvvar Identify Reserved Variable
 cf28 isvar Search for Variable
 cf48 tisasc Convert TI to ASCII String
 cfa7 isfun Identify Function Type
 cfb1 strfun Evaluate String Function
 cfd1 numfun Evaluate Numeric Function
 <nowiki>cfe6 orop Perform [or], [and]</nowiki>
 <nowiki>d016 dorel Perform <, =, ></nowiki>
 d01b numrel Numeric Comparison
 d02e strrel String Comparison
 <nowiki>d07e dim Perform [dim]</nowiki>
 d08b ptrget Identify Variable
 d0e7 ordvar Locate Ordinary Variable
 d11d notfns Create New Variable
 d128 notevl Create Variable
 d194 aryget Allocate Array Pointer Space
 d1a5 n32768 Constant 32768 in Flpt   DATA
 d1aa facinx FAC#1 to Integer in (AC/YR)
 d1b2 intidx Evaluate Text for Integer
 d1bf ayint FAC#1 to Positive Integer
 d1d1 isary Get Array Parameters
 d218 fndary Find Array
 d245 bserr '?bad subscript error'
 d248 - '?illegal quantity error'
 d261 notfdd Create Array
 d30e inlpn2 Locate Element in Array
 d34c umult Number of Bytes in Subscript
 <nowiki>d37d fre Perform [fre]</nowiki>
 d391 givayf Convert Integer in (AC/YR) to Flpt
 <nowiki>d39e pos Perform [pos]</nowiki>
 d3a6 errdir Confirm Program Mode
 d3e1 getfnm Check Syntax of FN
 <nowiki>d3f4 fndoer Perform [fn]</nowiki>
 <nowiki>d465 strd Perform [str$]</nowiki>
 d487 strlit Set Up String
 d4d5 putnw1 Save String Descriptor
 d4f4 getspa Allocate Space for String
 d526 garbag Garbage Collection
 d5bd dvars Search for Next String
 d606 grbpas Collect a String
 d63d cat Concatenate Two Strings
 d67a movins Store String in High RAM
 d6a3 frestr Perform String Housekeeping
 d6db frefac Clean Descriptor Stack
 <nowiki>d6ec chrd Perform [chr$]</nowiki>
 <nowiki>d700 leftd Perform [left$]</nowiki>
 <nowiki>d72c rightd Perform [right$]</nowiki>
 <nowiki>d737 midd Perform [mid$]</nowiki>
 d761 pream Pull sTring Parameters
 <nowiki>d77c len Perform [len]</nowiki>
 d782 len1 Exit String Mode
 <nowiki>d78b asc Perform [asc]</nowiki>
 d79b gtbytc Evaluate Text to 1 Byte in XR
 <nowiki>d7ad val Perform [val]</nowiki>
 d7b5 strval Convert ASCII String to Flpt
 d7eb getnum Get parameters for POKE/WAIT
 d7f7 getadr Convert FAC#1 to Integer in LINNUM
 <nowiki>d80d peek Perform [peek]</nowiki>
 <nowiki>d824 poke Perform [poke]</nowiki>
 <nowiki>d82d wait Perform [wait]</nowiki>
 d849 faddh Add 0.5 to FAC#1
 d850 fsub Perform Subtraction
 d862 fadd5 Normalise Addition
 d867 fadd Perform Addition
 d947 negfac 2's Complement FAC#1
 d97e overr Output ?OVERFLOW Error
 d983 mulshf Multiply by Zero Byte
 d9bc fone Table of Flpt Constants   DATA
 <nowiki>d9ea log Perform [log]</nowiki>
 da28 fmult Perform Multiply
 da59 mulply Multiply by a Byte
 da8c conupk Load FAC#2 From Memory
 dab7 muldiv Test Both Accumulators
 dad4 mldvex Overflow / Underflow
 dae2 mul10 Multiply FAC#1 by 10
 daf9 tenc Constant 10 in Flpt   DATA
 dafe div10 Divide FAC#1 by 10
 db07 fdiv Divide FAC#2 by Flpt at (AC/YR)
 db0f fdivt Divide FAC#2 by FAC#1
 dba2 movfm Load FAC#1 From Memory
 dbc7 mov2f Store FAC#1 in Memory
 dbfc movfa Copy FAC#2 into FAC#1
 dc0c movaf Copy FAC#1 into FAC#2
 dc1b round Round FAC#1
 dc2b sign Check Sign of FAC#1
 <nowiki>dc39 sgn Perform [sgn]</nowiki>
 <nowiki>dc58 abs Perform [abs]</nowiki>
 dc5b fcomp Compare FAC#1 With Memory
 dc9b qint Convert FAC#1 to Integer
 <nowiki>dccc int Perform [int]</nowiki>
 dcf3 fin Convert ASCII String to a Number in FAC#1
 ddb3 n0999 String Conversion Constants  DATA
 ddc2 inprt Output 'IN' and Line Number
 dddd fout Convert FAC#1 to ASCII String
 de68 foutim Convert TI to String
 df11 fhalf Table of Constants   DATA
 <nowiki>df71 sqr Perform [sqr]</nowiki>
 df7b fpwrt Perform power ($)
 dfb4 negop Negate FAC#1
 dfbf logeb2 Table of Constants   DATA
 <nowiki>dfed exp Perform [exp]</nowiki>

 <nowiki>;</nowiki>
 <nowiki>; VIC-20 Kernel ROM</nowiki>
 <nowiki>;</nowiki>

 <nowiki>;e000 (exp continues) EXP continued From BASIC ROM</nowiki>
 e040 polyx Series Evaluation
 e08a rmulc Constants for RND   DATA
 <nowiki>e094 rnd Perform [rnd]</nowiki>
 e0f6 bioerr Handle I/O Error in BASIC
 e109 bchout Output Character
 e10f bchin Input Character
 e115 bckout Set Up For Output
 e11b bckin Set Up For Input
 e121 bgetin Get One Character
 <nowiki>e127 sys Perform [sys]</nowiki>
 <nowiki>e153 savet Perform [save]</nowiki>
 <nowiki>e162 verfyt Perform [verify / load]</nowiki>
 <nowiki>e1bb opent Perform [open]</nowiki>
 <nowiki>e1c4 closet Perform [close]</nowiki>
 e1d1 slpara Get Parameters For LOAD/SAVE
 e1fd combyt Get Next One Byte Parameter
 e203 deflt Check Default Parameters
 e20b cmmerr Check For Comma
 e216 ocpara Get Parameters For OPEN/CLOSE
 <nowiki>e261 cos Perform [cos]</nowiki>
 <nowiki>e268 sin Perform [sin]</nowiki>
 <nowiki>e2b1 tan Perform [tan]</nowiki>
 e2dd pi2 Table of Trig Constants   DATA

 <nowiki>;e2dd 1.570796327 pi/2</nowiki>
 <nowiki>;e2e2 6.28318531 pi*2</nowiki>
 <nowiki>;e2e7 0.25</nowiki>

 <nowiki>;e2ec #05 (counter)</nowiki>
 <nowiki>;e2ed -14.3813907</nowiki>
 <nowiki>;e2f2 42.0077971</nowiki>
 <nowiki>;e2f7 -76.7041703</nowiki>
 <nowiki>;e2fc 81.6052237</nowiki>
 <nowiki>;e301 -41.3417021</nowiki>
 <nowiki>;e306 6.28318531</nowiki>

 <nowiki>e30b atn Perform [atn]</nowiki>
 e33b atncon Table of ATN Constants   DATA

 <nowiki>;e33b #0b (counter)</nowiki>
 <nowiki>;e3ec -0.000684793912</nowiki>
 <nowiki>;e341 </nowiki> 0.00485094216
 <nowiki>;e346 -0.161117018</nowiki>
 <nowiki>;e34b </nowiki> 0.034209638
 <nowiki>;e350 -0.0542791328</nowiki>
 <nowiki>;e355 </nowiki> 0.0724571965
 <nowiki>;e35a -0.0898023954</nowiki>
 <nowiki>;e35f </nowiki> 0.110932413
 <nowiki>;e364 -0.142839808</nowiki>
 <nowiki>;e369 </nowiki> 0.19999912
 <nowiki>;e36e -0.333333316</nowiki>
 <nowiki>;e373 </nowiki> 1.00

 e378 init BASIC Cold Start
 e387 initat CHRGET For Zero-page
 e39f rndsed RND Seed For zero-page   DATA
 <nowiki>;e39f 0.811635157</nowiki>
 e3a4 initcz Initialize BASIC RAM
 e404 initms Output Power-Up Message
 e429 words Power-Up Message   DATA
 <nowiki>;e429 ' bytes free'</nowiki>
 <nowiki>;e436 '**** cbm basic v2 ****'</nowiki>

 e44f bvtrs Table of BASIC Vectors (for 0300) WORD
 e45b initv Initialize Vectors
 <nowiki>e467 bassft BASIC Warm Restart [RUNSTOP-RESTORE]</nowiki>

 e475 ?
 e47c - Unused Bytes For Future Patches  EMPTY
 e4a0 - Serial Output 1
 e4a9 - Serial Output 0
 e4b2 - Get Serial Data And Clock In
 e4bc - Get Secondary Address patch for Serial LOAD/VERIFY
 e4c1 - Relocated Load patch for Serial LOAD/VERIFY
 e4cf - Tape Write patch for CLOSE
 e4da - Unused     EMPTY

 e500 iobase Return I/O Base Address
 e505 screen Return Screen Organization
 e50a plot Read / Set Cursor X/Y Position
 e518 cint1 Initialize I/O
 e55f - Clear Screen
 e581 - Home Cursor
 e587 - Set Screen Pointers
 e5b5 - Set I/O Defaults (Unused Entry)
 e5bb - Set I/O Defaults
 e5cf lp2 Get Character From Keyboard Buffer
 e5e5 - Input From Keyboard
 e64f - Input From Screen or Keyboard
 e6b8 - Quotes Test
 e6c5 - Set Up Screen Print
 e6ea - Advance Cursor
 e719 - Retreat Cursor
 e72d - Back on to Previous Line
 e742 - Output to Screen
 e756 - -unshifted characters-
 e800 - -shifted characters-
 e8c3 - Go to Next Line
 e8d8 - Output 
 e8e8 - Check Line Decrement
 e8fa - Check Line Increment
 e912 - Set Colour Code
 e921 - Colour Code Table   DATA

 e929 ?      DATA

 e975 - Scroll Screen
 e9ee - Open A Space On The Screen
 ea56 - Move A Screen Line
 ea6e - Syncronise Colour Transfer
 ea7e - Set Start of Line
 ea8d - Clear Screen Line
 eaa1 - Print To Screen
 eab2 - Syncronise Colour Pointer
 eabf - Main IRQ Entry Point
 eb1e scnkey Scan Keyboard
 eb71 - Process Key Image
 ec46 - Pointers to Keyboard decoding tables WORD
 ec5e - Keyboard Decoding Table - Unshifted DATA
 ec9f - Keyboard Decoding Table - Shifted DATA
 ece0 - Keyboard Decoding Table - Commodore DATA
 ed21 - Graphics/Text Control
 ed69 - Keyboard Decoding Table   DATA
 eda3 - Keyboard Decoding Table - Control DATA

 ede4 - Video Chip Set Up Table   DATA
 edf4 - Shift-Run Equivalent   DATA
 edfd - Low Byte Screen Line Addresses  DATA
 ee14 talk Send TALK Command on Serial Bus
 ee17 listn Send LISTEN Command on Serial Bus
 ee49 - Send Data On Serial Bus
 eeb4 - Flag Errors
 eeb4 Status #80 - device not present
 eeb7 Status #03 - write timeout

 eec0 second Send LISTEN Secondary Address
 eec5 - Clear ATN
 eece tksa Send TALK Secondary Address
 eed3 - Wait For Clock
 eee4 ciout Send Serial Deferred
 eef6 untlk Send UNTALK on Serial Bus
 ef04 unlsn Send UNLISTEN on Serial Bus
 ef19 acptr Receive From Serial Bus
 ef84 - Serial Clock On
 ef8d - Serial Clock Off
 ef96 - Delay 1 ms
 efa3 - RS-232 Send
 efee - Send New RS-232 Byte
 f016 - 'No DSR' Error
 f019 - 'No CTS' Error
 f021 - Disable Timer
 f027 - Compute Bit Count
 f036 - RS-232 Receive
 f05b - Set Up To Receive
 f068 - Process RS-232 Byte
 f0bc - Submit to RS-232
 f0ed - Send to RS-232 Buffer
 f116 - Input From RS-232
 f14f - Get From RS-232
 f160 - Serial Bus Idle

 f174 - Table of Kernal I/O Messages  DATA
 <nowiki>;f174 ' i/o error #'</nowiki>
 <nowiki>; ...</nowiki>
 <nowiki>;f1df 'ok'</nowiki>

 f1e2 - Print Message if Direct
 f1e6 - Print Message
 f1f5 getin Get a byte
 f20e chrin Input a byte
 f250 - Get From Tape / Serial / RS-232
 f27a chrout Output One Character
 f2c7 chkin Set Input Device
 f309 chkout Set Output Devic
 f34a close Close File
 f3cf - Find File
 f3df - Set File values
 f3ef clall Abort All Files
 f3f3 clrchn Restore Default I/O
 f40a open Open File
 f495 - Send Secondary Address
 f4c7 - Open RS-232
 f542 load Load RAM From Device
 f549 LOAD -load-
 f55c - Load File From Serial Bus
 f5ca - Load File From Tape
 f647 - Print "SEARCHING"
 f659 - Print Filename
 f66a - Print "LOADING / VERIFYING"
 f675 save Save RAM To Device
 f685 SAVE -save-
 f692 - Save to Serial Bus
 f6f1 - Save to Tape
 f728 - Print "SAVING"
 f734 udtim Increment Real-Time Clock
 f760 rdtim Read Real-Time Clock
 f767 settim Set Real-Time Clock
 f770 STOP Check STOP Key

 <nowiki>;f77e - Output I/O Error Messages</nowiki>
 f77e 'too many files'
 f781 'file open'
 f784 'file not open'
 f787 'file not found'
 f78a 'device not present'
 f78d 'not input file'
 f790 'not output file'
 f793 'missing filename'
 f796 'illegal device number'

 f7af - Find Any Tape Header
 f7e7 - Write Tape Header
 f84d - Get Buffer Address
 f854 - Set Buffer Stat / End Pointers
 f867 - Find Specific Tape Header
 f88a - Bump Tape Pointer
 f894 - Print "PRESS PLAY ON TAPE"
 f8ab - Check Tape Status
 f8b7 - Print "PRESS RECORD..."
 f8c0 - Initiate Tape Read
 f8e3 - Initiate Tape Write
 f8f4 - Common Tape Code
 f94b - Check Tape Stop
 f95d - Set Read Timing
 f98e - Read Tape Bits
 faad - Store Tape Characters

 fbd2 - Reset Tape Pointer
 fbdb - New Character Setup
 fbea - Send Tone to Tape
 fc06 - Write Data to Tape
 fc95 - Write Tape Leader
 fccf - Restore Normal IRQ
 fcf6 - Set IRQ Vector
 fd08 - Kill Tape Motor
 fd11 - Check Read / Write Pointer
 fd1b - Bump Read / Write Pointer
 fd22 - Power-Up RESET Entry
 fd3f - Check For A-ROM
 fd4d - ROM Mask 'a0CBM'   DATA
 fd52 restor Restore Kernal Vectors (at 0314)
 fd57 vector Change Vectors For User
 fd6d - Kernal Reset Vectors   WORD
 fd8d ramtas Initialise System Constants
 fdf1 - IRQ Vectors For Tape I/O  WORD
 fdf9 ioinit Initialise I/O
 fe39 - Enable Timer
 fe49 setnam Set Filename
 fe50 setlfs Set Logical File Parameters
 fe57 readss Get I/O Status Word
 fe66 setmsg Control OS Messages
 fe6f settmo Set IEEE Timeout
 fe73 memtop Set / Read Top of Memory
 fe82 membot Set / Read Bottom of Memory
 fea9  NMI Transfer Entry
 fed2  <nowiki>Warm Start Basic [BRK]</nowiki>
 <nowiki>;fed2 User Vector (default BRK)</nowiki>

 ff56  Exit Interrupt
 ff5b  RS-232 Timing Table   DATA
 ff72  IRQ Transfer Entry

 <nowiki>;</nowiki>
 <nowiki>;ff8a Vic-20 Kernel Jump Table</nowiki>
 <nowiki>;</nowiki>
 ff8a jmp $fd52 restor  Restore Vectors
 ff8d jmp $fd57 vector  Change Vectors For User
 ff90 jmp $fe66 setmsg  Control OS Messages
 ff93 jmp $eec0 secnd  Send SA After Listen
 ff96 jmp $eece tksa  Send SA After Talk
 ff99 jmp $fe73 memtop  Set/Read System RAM Top
 ff9c jmp $fe82 membot  Set/Read System RAM Bottom
 ff9f jmp $eb1e scnkey  Scan Keyboard
 ffa2 jmp $fe6f settmo  Set Timeout In IEEE
 ffa5 jmp $ef19 acptr  Handshake Serial Byte In
 ffa8 jmp $eee4 ciout  Handshake Serial Byte Out
 ffab jmp $eef6 untalk  Command Serial Bus UNTALK
 ffae jmp $ef04 unlsn  Command Serial Bus UNLISTEN
 ffb1 jmp $ee17 listn  Command Serial Bus LISTEN
 ffb4 jmp $ee14 talk  Command Serial Bus TALK
 ffb7 jmp $fe57 readss  Read I/O Status Word
 ffba jmp $fe50 setlfs  Set Logical File Parameters
 ffbd jmp $fe49 setnam  Set Filename
 ffc0 jmp ($031a) (iopen)  <nowiki>Open Vector [F40A]</nowiki>
 <nowiki>ffc3 jmp ($031c) (iclose) Close Vector [F34A]</nowiki>
 <nowiki>ffc6 jmp ($031e) (ichkin) Set Input [F2C7]</nowiki>
 <nowiki>ffc9 jmp ($0320) (ichkout) Set Output [F309]</nowiki>
 <nowiki>ffcc jmp ($0322) (iclrch) Restore I/O Vector [F353]</nowiki>
 <nowiki>ffcf jmp ($0324) (ichrin) Input Vector, chrin [F20E]</nowiki>
 <nowiki>ffd2 jmp ($0326) (ichrout) Output Vector, chrout [F27A]</nowiki>
 ffd5 jmp $f542 load  Load RAM From Device
 ffd8 jmp $f675 save  Save RAM To Device
 ffdb jmp $f767 settim  Set Real-Time Clock
 ffde jmp $f760 rdtim  Read Real-Time Clock
 ffe1 jmp ($0328) (istop)  <nowiki>Test-Stop Vector [F770]</nowiki>
 <nowiki>ffe4 jmp ($032a) (igetin) Get From Keyboad [F1F5]</nowiki>
 <nowiki>ffe7 jmp ($032c) (iclall) Close All Channels And Files [F3EF]</nowiki>
 ffea jmp $f734 udtim  Increment Real-Time Clock
 ffed jmp $e505 screen  Return Screen Organization
 fff0 jmp $e50a plot  Read / Set Cursor X/Y Position
 fff3 jmp $e500 iobase  Return I/O Base Address

 <nowiki>;fff6 Unused Vectors</nowiki>
 <nowiki>fff6 [ffff]</nowiki>
 <nowiki>fff8 [ffff]</nowiki>

 <nowiki>;fffa Transfer Vectors</nowiki>
 <nowiki>fffa [fea9] </nowiki> NMI
 <nowiki>fffc [fd22] </nowiki> RESET
 <nowiki>fffe [ff72] </nowiki> IRQ


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