This page (revision-105) was last changed on 03-Feb-2023 15:21 by Florian Dingler 

This page was created on 07-Mar-2010 22:14 by Florian Dingler

Only authorized users are allowed to rename pages.

Only authorized users are allowed to delete pages.

Page revision history

Version Date Modified Size Author Changes ... Change note
105 03-Feb-2023 15:21 20 KB Florian Dingler to previous
104 01-May-2020 19:14 20 KB Florian Dingler to previous | to last
103 02-Mar-2020 17:35 20 KB Florian Dingler to previous | to last
102 01-Mar-2020 23:22 19 KB Florian Dingler to previous | to last
101 15-Apr-2019 20:59 19 KB Florian Dingler to previous | to last

Page References

Incoming links Outgoing links

Version management

Difference between version and

At line 1 changed 15 lines
[{TableOfContents }]
[Differences Atari 400/800 - 1200XL - 600/800XL|DiffOldOs2XL]
!Page 0
||address||hexaddress||NAME||description||OS
|0,1|$0000,$0001|[LINZBS]| |A
|0|$0000|[LINFLG]| |X
|1|$0001|[NGFLAG]| |X
|2,3|$0002,$0003|[CASINI]| |
|4,5|$0004,$0005|[RAMLO]| |
|6|$0006|[TRAMSZ]| |A
|6|$0006|[TRNSMZ]| |X
|7|$0007|[TSTDAT]| |A
|7|$0007|[TSTDAT]| |X
||adress||hexaddress||NAME||description||OS
|Page 0
|0,1|$0000,$0001|[LINZBS]| |both
|2,3|$0002,$0003|[CASINI]| |both
|4,5|$0004,$0005|[RAMLO]| |both
|6|$0006|[TRAMSZ]| |both
|7|$0007|[TSTDAT]| |
At line 23 changed one line
|18-20|$0012-$0014|[RTCLOK]| |
|18,19,20|$0012,$0013,$0014|[RTCLOK]| |
At line 28 changed 5 lines
|28|$001C|[PTIMOT]| |A
|29|$001D|[PBPNT]| |A
|30|$001E|[PBUFSZ]| |A
|31|$001F|[PTEMP]| |A
|28-31|$001C-$001F|[ABUFPT]| |X
|28|$001C|[PTIMOT]| |
|29|$001D|[PBPNT]| |
|30|$001E|[PBUFSZT]| |
|31|$001F|[PTEMP]| |
At line 34 changed 3 lines
|33|$0021|[ICDNOZ]| |
|34|$0022|[ICCOMZ]| |
|35|$0023|[ICSTAZ]| |
|33|$0021|[PTIMOT]| |
|34|$0022|[PTIMOT]| |
|35|$0023|[PTIMOT]| |
At line 49 changed 3 lines
|54|$0036|[CRETRY]| |A
|55|$0037|[DRETRY]| |A
|54,55|$0036,$0037|[LTEMP]| |X
|54|$0036|[CRETRY]| |
|55|$0037|[DRETRY]| |
At line 54 changed 220 lines
|58|$003A|[XMTDON]| |
|59|$003B|[CHKSNT]| |
|60|$003C|[NOCKSM]| |
|61|$003D|[BPTR]| |
|62|$003E|[FTYPE]| |
|63|$003F|[FEOF]| |
|64|$0040|[FREQ]| |
|65|$0041|[SOUNDR]| |
|66|$0042|[CRITIC]| |
|67-73|$0043-$0049|[FMZSPG]| |
|67,68|$0043,$0044|[ZBUFP]| |
|69,70|$0045,$0046|[ZDRVA]| |
|71,72|$0047,$0048|[ZSBA]| |
|73|$0049|[ERRNO]| |
|74|$004A|[CKEY]| |A
|75|$004B|[CASSBT]| |A
|74,75|$004A,$004B|[ZCHAIN]| |X
|76|$004C|[DSTAT]| |
|77|$004D|[ATRACT]| |
|78|$004E|[DRKMSK]| |
|79|$004F|[COLRSH]| |
|80|$0050|[TEMP]| |
|81|$0051|[HOLD1]| |
|82|$0052|[LMARGN]| |
|83|$0053|[RMARGN]| |
|84|$0054|[ROWCRS]| |
|85,86|$0055,$0056|[COLCRS]| |
|87|$0057|[DINDEX]| |
|88,89|$0058,$0059|[SAVMSC]| |
|90|$005A|[OLDROW]| |
|91,92|$005B,$005C|[OLDCOL]| |
|93|$005D|[OLDCHR]| |
|94,95|$005E,$005F|[OLDADR]| |
|96|$0060|[NEWROW]| |A
|96,97|$0060,$0061|[FKDEF]| |X
|97,98|$0061,$0062|[NEWCOL]| |A
|98|$0062|[PALNTS]| |X
|99|$0063|[LOGCOL]| |
|100,101|$0064;$0065|[ADRESS]| |
|102,103|$0066,$0067|[MLTTMP]| |
|104,105|$0068,$0069|[SAVADR]| |
|106|$006A|[RAMTOP]| |
|107|$006B|[BUFCNT]| |
|108,109|$006C,$006D|[BUFSTR]| |
|110|$006E|[BITMSK]| |
|111|$006F|[SHFAMT]| |
|112,113|$0070,$0071|[ROWAC]| |
|114,115|$0072,$0073|[COLAC]| |
|116,117|$0074,$0075|[ENDPT]| |
|118|$0076|[DELTAR]| |
|119,120|$0077,$0078|[DELTAC]| |
|121|$0079|[ROWINC]| |A
|122|$007A|[COLINC]| |A
|121,122|$0079,$007A|[KEYDEF]| |X
|123|$007B|[SWPFLG]| |
|124|$007C|[HOLDCH]| |
|125|$007D|[INSDAT]| |
|126,127|$007E,$007F|[COUNTR]| |
|128,129|$0080,$0081|[LOMEM]| |
|130,131|$0082,$0083|[VNTP]| |
|132,133|$0084,$0085|[VNTD]| |
|134,135|$0086,$0087|[VVTP]| |
|136,137|$0088,$0089|[STMTAB]| |
|138,139|$008A,$008B|[STMCUR]| |
|140,141|$008C,$008D|[STARP]| |
|142,143|$008E,$008F|[RUNSTK]| |
|144,145|$0090,$0091|[MEMTOP|TOPSTK]| |
|146-202|$0092-$00CA| |reserved for BASIC ROM|
|186,187|$00BA,$00BB|[STOPLN]| |
|195|$00C3|[ERRSAVE]| |
|201|$00C9|[PTABW]| |
|203-207|$00CB-$00CF| |unused by BASIC and ASSEMBLER|
|208,209|$00D0,$00D1| |unused by BASIC|
|210,211|$00D2,$00D3| |reserved for BASIC or cartridge use|
|212-217|$00D4-$00D9|[FR0]|Floating point register zero; holds a six-byte internal form of the FP number|
|218-223|$00D1-$00DF|[FRE]|FP extra register|
|224-229|$00E0-$00E5|[FR1]|Floating point register one; holds a six-byte internal form of the FP number as does FR0|
|230-235|$00E6-$00EB|[FR2]|FP register two|
|236|$00EC|[FRX]|FP spare register|
|237|$00ED|[EEXP]|The value of E (the exponent)|
|238|$00EE|[NSIGN]|The sign of the FP number|
|239|$00EF|[ESIGN]|The sign of the exponent|
|240|$00F0|[FCHRFLG]|The first character flag|
|241|$00F1|[DIGRT]|The number of digits to the right of the decimal|
|242|$00F2|[CIX]|Character (current input) index. Used as an offset to the input text buffer pointed to by INBUFF below.|
|243,244|$00F3,$00F4|[INBUFF]|Input ASCII text buffer pointer|
|245,246|$00F5,$00F6|[ZTEMP1]|Temporary register|
|247,248|$00F7,$00F8|[ZTEMP4]|Temporary register|
|249,250|$00F9,$00FA|[ZTEMP3]|Temporary register|
|251|$00FB|[RADFLG]|Also called DEGFLG. When 0 all functions are performed in radians; when set to 6, they are done in degrees|
|252,253|$00FC,$00FD|[FLPTR]|Points to the user's FP number|
|254,255|$00FE,$00FF|[FPTR2]|Pointer to the user's second FP operation.|
%%commentbox [^|Memory Map#Page0] %%
!Page 1
||adress||hexaddress||NAME||description||OS
|256-511|$0100-$01FF| |The OS/DOS/BASIC stack |
%%commentbox [^|Memory Map#Page 0] %%
!Page 2
||address||hexaddress||NAME||description||OS
|512,513|$0200,$0201|[VDSLST]|Vector to Display List Interrupt routine |
|514,515|$0202,$0203|[VPRCED]| |
|516,517|$0204,$0205|[VINTER]| |
|518,519|$0206,$0207|[VBREAK]| |
|520,521|$0208,$0209|[VKEYBD]| |
|522,523|$020A,$020B|[VSERIN]| |
|524,525|$020C,$020D|[VSEROR]| |
|526,527|$020E,$020F|[VSEROC]| |
|528,529|$0210,$0211|[VTIMR1]| |
|530,531|$0212,$0213|[VTIMR2]| |
|532,533|$0214,$0215|[VTIMR4]| |
|534,535|$0216,$0217|[VIMIRQ]| |
|536,537|$0218,$0219|[CDTMV1]| |
|538,539|$021A,$021B|[CDTMV2]| |
|540,541|$021C,$021D|[CDTMV3]| |
|542,543|$021E,$021F|[CDTMV4]| |
|544,545|$0220,$0221|[CDTMV5]| |
|546,547|$0222,$0223|[VVBLKI]|Vector to Vertical Blank I_MMEDIATE Routine|
|548,549|$0224,$0225|[VVBLKD]|Vector to Vertical Blank D_EFERRED Routine|
|550,551|$0226,$0227|[CDTMA1]| |
|552,553|$0228,$0229|[CDTMA2]| |
|554|$022A|[CDTMF3]| |
|555|$022B|[SRTIMR]| |
|556|$022C|[CDTMF4]| |
|557|$022D|[INTEMP]| |
|558|$022E|[CDTMF5]| |
|559|$022F|[SDMCTL]|Shadow of [DMACTL]|
|560,561|$0230,$0231|[SDLSTL],[SDLSTH]|Shadow Pointer to Display List|
|562|$0232|[SSKCTL]| |
|563|$0233|[SPARE]| |A
|563|$0233|[LCOUNT]| |X
|564|$0234|[LPENH]|Shadow Light Pen Horizontal Value|
|565|$0235|[LPENV]|Shadow Light Pen Vertical Value |
|566,567|$0236,$0237|[BRKKY]|Break key Interrupt vector|OS B/X?
|568,569|$0238,$0239| |two spare bytes|A
|568,569|$0238,$0239|[VPIRQ]| |X
|570|$023A|[CDEVIC]| |
|571|$023B|[CCOMND]| |
|572|$023C|[CAUX1]| |
|573|$023D|[CAUX2]| |
|574|$023E|[TEMP]| |
|575|$023F|[ERRFLG]| |
|576|$0240|[DFLAGS]| |
|577|$0241|[DESECT]| |
|578,579|$0242,$0243|[BOOTAD]| |
|580|$0244|[COLDST]| |
|581|$0245| |spare |A
|581|$0245|[RECLEN]| |X
|582|$0246|[DSKTIM]| |
|583-622|$0247-$026E|[LINBUF]| |A
|583|$0247|[PDVMSK]| |X
|584|$0248|[SHPDVS]| |X
|585|$0249|[PDIMSK]| |X
|586,587|$024A,$024B|[RELADR]| |X
|588|$024C|[PPTMPA]| |X
|589|$024D|[PPTMPX]| |X
|590-618|$024E-$026A| |reserved |X
|619|$026B|[CHSALT]| |X
|620|$026C|[VSFLAG]| |X
|621|$026D|[KEYDIS]| |X
|622|$026E|[FINE]|Fine Scroll Flag|X
|623|$026F|[GPRIOR]|Shadow of [PRIOR] |
|624|$0270|[PADDL0]|Shadow Paddle 0|
|625|$0271|[PADDL1]|Shadow Paddle 1|
|626|$0272|[PADDL2]|Shadow Paddle 2|
|627|$0273|[PADDL3]|Shadow Paddle 3|
|628|$0274|[PADDL4]|Shadow Paddle 4 (nur 400/800)|
|629|$0275|[PADDL5]|Shadow Paddle 5 (nur 400/800)|
|630|$0276|[PADDL6]|Shadow Paddle 6 (nur 400/800)|
|631|$0277|[PADDL7]|Shadow Paddle 7 (nur 400/800)|
|632|$0278|[STICK0]|Shadow Stick 0|
|633|$0279|[STICK1]|Shadow Stick 1|
|634|$027A|[STICK2]|Shadow Stick 2 (nur 400/800)|
|635|$027B|[STICK3]|Shadow Stick 3 (nur 400/800)|
|636|$027C|[PTRIG0]|Shadow Paddle Trigger 0|
|637|$027D|[PTRIG1]|Shadow Paddle Trigger 1|
|638|$027E|[PTRIG2]|Shadow Paddle Trigger 2|
|639|$027F|[PTRIG3]|Shadow Paddle Trigger 3|
|640|$0280|[PTRIG4]|Shadow Paddle Trigger 4 (nur 400/800)|
|641|$0281|[PTRIG5]|Shadow Paddle Trigger 5 (nur 400/800)|
|642|$0282|[PTRIG6]|Shadow Paddle Trigger 6 (nur 400/800)|
|643|$0283|[PTRIG7]|Shadow Paddle Trigger 7 (nur 400/800)|
|644|$0284|[STRIG0]|Shadow Stick Trigger 0|
|645|$0285|[STRIG1]|Shadow Stick Trigger 1|
|646|$0286|[STRIG2]|Shadow Stick Trigger 2 (nur 400/800)|
|647|$0287|[STRIG3]|Shadow Stick Trigger 3 (nur 400/800)|
|648|$0288|[CSTAT]| |A
|648|$0288|[HIBZTE]| |A
|649|$0289|[WMODE]| |
|650|$028A|[BLIM]| |
|651-655|$028B-$028F| |unused|A
|651|$028B|[IMASK]| |X
|652,653|$028C,$028D|[JVECK]| |X
|654,655|$028E,$028F|[NEWADR]| |X
|656|$0290|[TXTROW]| |
|657,658|$0291,$0292|[TXTCOL]| |
|659|$0293|[TINDEX]| |
|660,661|$0294,$0295|[TXTMSC]| |
|662-667|$0296-$029B|[TXTOLD]| |
|668|$029C|[TMPX1]| |A
|668|$029C|[CRETRY]| |X
|669|$029D|[HOLD3]| |
|670|$029E|[SUBTMP]| |
|671|$029F|[HOLD2]| |
|672|$02A0|[DMASK]| |
|673|$02A1|[TMPLBT]| |
|674|$02A2|[ESCFLG]| |
|675-689|$02A3-$02B1|[TABMAP]| |
|690-693|$02B2-$02B5|[LOGMAP]| |
|694|$02B6|[INVFLG]| |
|695|$02B7|[FILFLG]| |
|696|$02B8|[TMPROW]| |
|697,698|$02B9,$02BA|[TMPCOL]| |
|699|$02BB|[SCRFLG]| |
|700|$02BC|[HOLD4]| |
|701|$02BD|[HOLD5]| |A
|701|$02BD|[DRETRY]| |X
|702|$02BE|[SHFLOK]| |
|703|$02BF|[BOTSCR]| |
| | | | |
|Page 1
| | | | |
|Page 2
|559|$022F|[SDMCTL]|Schattenregister zu [DMACTL]|
| | | | |
At line 283 changed 32 lines
|713,714|$02C9,$02CA|[RUNADR]| |X
|715,716|$02CB,$02CC|[HIUSED]| |X
|717,718|$02CD,$02CE|[ZHIUSE]| |X
|719,720|$02CF,$02D0|[GBYTEA]| |X
|721,722|$02D1,$02D2|[LOADAD]| |X
|723,724|$02D3,$02D4|[ZLOADA]| |X
|725,726|$02D5,$02D6|[DSCTLN]| |X
|727,728|$02D7,$02D8|[ACMISR]| |X
|729|$2D9|[KRPDEL]| |X
|730|$2DA|[KEYREP]| |X
|731|$2DB|[NOCLIK]| |X
|732|$02FC|[HELPFG]| |X
|733|$02DD|[DMASAV]| |X
|734|$02DE|[PBPNT]| |X
|735|$02DF|[PBUFSZ]| |X
|736,737|$02E0,$02E1|[RUNAD]| |both
|738,739|$02E2,$02E3|[INITAD]| |both
|740|$02E4|[RAMSIZ]| |both
|741,742|$02E5,$02E6|[MEMTOP]| |both
|743,744|$02E7,$02E8|[MEMLO]| |both
|745|$02E9|[HNDLOD]| |X
|746-749|$02EA-$02ED|[DVSTAT]| |both
|750,751|$02EE,$02EF|[CBAUDL,CBAUDH]| |both
|752|$02F0|[CRSINH]|Cursor visibility|both
|753|$02F1|[KEYDEL]| |both
|754|$02F2|[CH1]| |both
|755|$02F3|[CHACT]| |both
|756|$02F4|[CHBAS]|Pointer to base address (high byte) of charset|both
|757|$02F5|[NEWROW]| |X
|758,759|$02F6,$02F7|[NEWCOL]| |X
|760|$02F8|[ROWINC]| |X
|761|$02F9|[COLINC]| |X
|732 | $02FC | [HELPFG] | | both
|736,737 | $02E0,$02E1 | [RUNAD] | | both
|752|$02F0|[CRSINH]|Sichtbarkeit Cursor|both
|756|$02F4|[CHBAS]|Zeichensatzadresse|both
At line 321 changed 4 lines
%%commentbox [^|Memory Map#TOP] %%
!Page 3
||adress||hexaddress||NAME||description||OS
|Page 3
At line 335 changed 2 lines
|782|$030E|[ADDCOR]| |A
|782|$030E|[JMPERS]| |X
|782|$0D30E|[ADDCOR]| |both
At line 340 changed 2 lines
|788|$0314|[TEMP2]| |A
|788|$0314|[PTIMOT]| |X
|788|$0314|[TEMP2]| |both
At line 348 removed 3 lines
|829|$033D|[PUPBT1]| |X
|830|$033E|[PUPBT2]| |X
|831|$033F|[PUPBT3]| |X
At line 361 removed 14 lines
|1000|$03E8|[SUPERF]|Flag for function keys|1200XL
|1001|$03E9|[CKEY]| |X
|1002|$03EA|[CASSBT]| |X
|1003|$03EB|[CARTCK]| |X
|1004|$03EC|[DEERF]| |X
|1005-1015|$03ED-$03F7|[ACMVAR]| |X
|1016|$03F8|[BASICF]| |X
|1017|$03F9|[MINTLK]| |X
|1018|$03FA|[GINTLK]| |X
|1019,1020|$3FB,$3FC|[CHLINK]| |X
%%commentbox [^|Memory Map#Page 0] %%
!Page 4
||adress||hexaddress||NAME||description||OS
At line 376 changed one line
|1152-1279|$0480-$04FF| |128 free bytes| 
| | | | | 
|Page 6
|1536-1791|$0600-$06FF| |Page 6|both
| | | | |
At line 378 changed 41 lines
%%commentbox [^|Memory Map#Page 0] %%
!Page 5
||address||hexaddress||NAME||description||OS
|1280-1405|$0500-$057D| | |
|1406|$057E|[LBPR1]|LBUFF prefix one|
|1407|$057F|[LBPR2]|LBUFF prefix two|
|1408-1535|$0580-$05FF|[LBUFF]|BASIC line Buffer |
|1504|$05E0|[PLYARG]|Polynominal arguments|
|1510-1515|$05E6-$05EB|[FPSCR]|Floating Point scratch pad use|
|1516-1535|$05EC-$05FF|[FPSCR1]|Floating Point scratch pad use|
%%commentbox [^|Memory Map#Page 0] %%
!Page 6
||address||hexaddress||NAME||description||OS
|1536-1791|$0600-$06FF| |"Page 6" free for user|both
%%commentbox [^|Memory Map#Page 0] %%
!Right Cartridge (B) 8K
||address||hexaddress||NAME||description||OS
|32768-40959|$8000-$9FFF| | |
|40954|$9FFA| |Cartridge Start Address low |
|40955|$9FFB| |Cartridge Start Address high |
|40956|$9FFC| |Cartridge present?|
|40957|$9FFD| |Option Byte|
|40958|$9FFE| |Cartridge Initialization Address low |
|40959|$9FFF| |Cartridge Initialization Address high |
%%commentbox [^|Memory Map#Page 0] %%
!Left Cartridge (A) 8K
||address||hexaddress||NAME||description||OS
|40960-49151|$A000-$BFFF| | |
|43234|$A8E2| |[shows revision of BASIC|How to find the revision number of Atari Basic]|
|49146|$BFFA| |Cartridge Start Address low |
|49147|$BFFB| |Cartridge Start Address high |
|49148|$BFFC| |Cartridge present?|
|49149|$BFFD| |Option Byte|
|49150|$BFFE| |Cartridge Initialization Address low |
|49151|$BFFF| |Cartridge Initialization Address high |
%%commentbox [^|Memory Map#Page 0] %%
![GTIA] (CTIA)
[GTIA] (CTIA)
At line 420 changed 21 lines
|53248|$D000|[HPOSP0],[M0PF|HPOSP0]| |both
|53249|$D001|[HPOSP1],[M1PF|HPOSP1]| |both
|53250|$D002|[HPOSP2],[M2PF|HPOSP2]| |both
|53251|$D003|[HPOSP3],[M3PF|HPOSP3]| |both
|53252|$D004|[HPOSM0],[P0PF|HPOSM0]| |both
|53253|$D005|[HPOSM1],[P1PF|HPOSM1]| |both
|53254|$D006|[HPOSM2],[P2PF|HPOSM2]| |both
|53255|$D007|[HPOSM3],[P3PF|HPOSM3]| |both
|53256|$D008|[SIZEP0],[M0PL|SIZEP0]| |both
|53257|$D009|[SIZEP1],[M1PL|SIZEP1]| |both
|53258|$D00A|[SIZEP2],[M2PL|SIZEP2]| |both
|53259|$D00B|[SIZEP3],[M3PL|SIZEP3]| |both
|53260|$D00C|[SIZEM],[P0PL|SIZEM]| |both
|53261|$D00D|[GRAFP0],[P1PL|GRAFP0]| |both
|53262|$D00E|[GRAFP1],[P2PL|GRAFP1]| |both
|53263|$D00F|[GRAFP2],[P3PL|GRAFP2]| |both
|53264|$D010|[GRAFP3],[TRIG0|GRAFP3]| |both
|53265|$D011|[GRAFM],[TRIG1|GRAFM]| |both
|53266|$D012|[COLPM0],[TRIG2|COLPM0]| |both
|53267|$D013|[COLPM1],[TRIG3|COLPM1]| |both
|53268|$D014|[COLPM2],[PAL|COLPM2]| |both
|53248|$D000|[HPOSP0],[M0PF]| |both
|53249|$D001|[HPOSP1],[M1PF]| |both
|53250|$D002|[HPOSP2],[M2PF]| |both
|53251|$D003|[HPOSP3],[M3PF]| |both
|53252|$D004|[HPOSM0],[P0PF]| |both
|53253|$D005|[HPOSM1],[P1PF]| |both
|53254|$D006|[HPOSM2],[P2PF]| |both
|53255|$D007|[HPOSM3],[P3PF]| |both
|53256|$D008|[SIZEP0],[M0PL]| |both
|53257|$D009|[SIZEP1],[M1PL]| |both
|53258|$D00A|[SIZEP2],[M2PL]| |both
|53259|$D00B|[SIZEP3],[M3PL]| |both
|53260|$D00C|[SIZEM],[P0PL]| |both
|53261|$D00D|[GRAFP0],[P1PL]| |both
|53262|$D00E|[GRAFP1],[P2PL]| |both
|53263|$D00F|[GRAFP2],[P3PL]| |both
|53264|$D010|[GRAFP3],[TRIG0]| |both
|53265|$D011|[GRAFM],[TRIG1]| |both
|53266|$D012|[COLPM0],[TRIG2]| |both
|53267|$D013|[COLPM1],[TRIG3]| |both
|53268|$D014|[COLPM2],[PAL]| |both
At line 446 changed 2 lines
|53274|$D01A|[COLBK]| |both
|53275|$D01B|[PRIOR]| |both
|53274|$D01A|[COLBAK]| |both
|53275|$D01B|[VDELAY]| |both
At line 142 added one line
|53504-53759|$D100-$D1FF| |unused and unusable|
At line 454 changed 6 lines
%%commentbox [^|Memory Map#Page 0] %%
|53504-53759|$D100-$D1FF| |reserved for future use|B
%%commentbox [^|Memory Map#Page 0] %%
!POKEY
||address||hexaddress||NAME||description||OS
POKEY
||adress||hexaddress||NAME||description||OS
At line 469 changed 3 lines
|53769|$D209|[STIMER|KBCODE],[KBCODE]| |
|53770|$D20A|[SKREST],[RANDOM|SKREST]| |
|53771|$D20B|[POTGO]| |
|53769|$D209|[STIMER],[KBCODE]| |
|53770|$D20A|[SKREST],[RANDOM]| |
|53771|$D20B|[POTGO],[RANDOM]| |
At line 473 changed 3 lines
|53773|$D20D|[SEROUT],[SERIN|SEROUT]| |
|53774|$D20E|[IRQEN],[IRQST|IRQEN]| |
|53775|$D20F|[SKCTL],[SKSTAT|SKCTL]| |
|53773|$D20D|[SEROUT],[SERIN]| |
|53774|$D20E|[IRQEN],[IRQST]| |
|53775|$D20F|[SKCTL],[SKSTAT]| |
At line 478 changed 3 lines
%%commentbox [^|Memory Map#Page 0] %%
!PIA
||address||hexaddress||NAME||description||OS
PIA
||adress||hexaddress||NAME||description||OS
At line 487 changed 2 lines
%%commentbox [^|Memory Map#Page 0] %%
!ANTIC
ANTIC
At line 492 changed one line
|54274,54275|$D402,$D403|[DLISTL],[DLISTH|DLISTL]| |
|54274,54275|$D402,$D403|[DLISTL],[DLISTH]| |
At line 504 changed one line
|54287|$D40F|[NMIST],[NMIRES|NMIST]| |
|54287|$D40F|[NMIRES],[NMIST]| |
At line 507 changed 46 lines
%%commentbox [^|Memory Map#Page 0] %%
||address||hexaddress||NAME||description||OS
| |$D500-$D5FF| |Any read or write to an address in this range enables the cartridge control line [CCNTL] on the cartridge interface (same as ATARI 400 and ATARI 800)|B
%%commentbox [^|Memory Map#Page 0] %%
||address||hexaddress||NAME||description||OS
| |$D600-$D6FF| |reserved for future use|B
%%commentbox [^|Memory Map#Page 0] %%
||address||hexaddress||NAME||description||OS
| |$D700-$D7FF| |reserved for future use|B
%%commentbox [^|Memory Map#Page 0] %%
!OS ROM
||address||hexaddress||NAME||description||OS
|55296|$D800|[AFP]|ASCII to Floating Point (FP) conversion|
|55526|$D8E6|[FASC]|FP value to ASCII conversion|
|55722|$D9AA|[IFP]|Integer to FP conversion|
|55762|$D9D2|[FPI]|FP to integer conversion|
|55876|$DA44|[ZFR0]|Clear [FR0] at 212 to 217 ($d$-$DB) by setting all bytes to zero|
|55878|$DA46|[ZF1]|Clear the FP number from [FR1], locations 224 to 229 ($E0 to $E5), by setting all bytes to zero.|
|55904|$DA60|[FSUB]|FP subtract routine, the value in [FR0] minus the value in [FR1].|
|55910|$DA66|[FADD]|FP addition routine; [FR0] plus [FR1].|
|56027|$DADB|[FMUL]|FP multiplication routine; [FR0] times [FR1].|
|56104|$DB28|[FDIV]|FP division routine; [FR0] divided by [FR1].|
|56640|$DD40|[PLYEVL]|FP polynomial evaluation.|
|56713|$DD89|[FLD0R]|Load the FP number into [FR0] from the 6502 X,Y registers.|
|56717|$DD8D|[FLD0P]|Load the FP number into [FR0] from user routine, using [FLPTR] at 252 ($FC).|
|56728|$DD98|[FLD1R]|Load the FP number into [FR1] from the 6502 X,Y registers.|
|56732|$DD9C|[FLD1P]|Load the FP number into [FR1] from user program, using [FLPTR].|
|56743|$DDA7|[FSTOR]|Store the FP number into the 6502 X,Y registers from [FR0].|
|56747|$DDAB|[FSTOP]|Store the FP number from [FR0], using [FLPTR].|
|56758|$DDB6|[FMOVE]|Move the FP number from [FR0] to [FR1].|
|56768|$DDC0|[EXP]|FP base e exponentiation.|
|56780|$DDCC|[EXP10]|FP base 10 exponentiation.|
|57037|$DECD|[LOG]|FP natural logarithm.|
|57041|$DED1|[LOG10]|FP base 10 logarithm.|
| | | | |
|57344|$E000| |Standard ATARI character set, beginning with punctuations and numbers|
|57600|$E100| |capital letters|
|57856|$E200| |special graphics|
|58112|$E300| |lower case letters|
|58367|$E3FF| |end of ATARI standard charset|
| | | | |
|58368|$E400|[EDITRV]|Screen editor (E:) entry point table|
|58348|$E410|[SCRENV]|Display handler (television screen) (S:)|
ROM
||adress||hexaddress||NAME||description||OS
At line 554 removed 33 lines
|58416|$E430|[PRINTV]|Printer handler (P:)|
|58432|$E440|[CASETV]|Cassette handler (C:)|
|58448|$E450|[DISKIV]|Disk handler initialization vector, initialized to 60906 ($EDEA)|
|58451|$E453|[DSKINV]|Disk handler (interface) entry; checks the disk status. Initialized to 60912 ($EDF0).|
|58454|$E456|[CIOV]| |
|58457|$E459|[SIOV]| |
|58460|$E45C|[SETVBV]| |
|58463|$E45F|[SYSVBV]| |
|58466|$E462|[XITVBV]|Exit from the VBLANK routine|
|58469|$E465|[SIOINV]|SIO utility initialisation, OS use only|
|58472|$E468|[SENDEV]|Send enable routine, OS use only|
|58475|$E46B|[INTINV]|Interrupt handler initialisation, OS use only|
|58478|$E46E|[CIOINV]|CIO utility initialisation, OS Use only|
|58481|$E471|[BLKBDV]|Blackbaord Mode Entry|
|58484|$E474|[WARMSV]|Warm Start Vector|
|58487|$E477|[COLDSV]|Cold Start Vector|
|58490|$E47A|[RBLOKV]|reads block from C:|
|58493|$E47D|[CSOPIV]|opens channel for C:|
|58496|$E480|[PUPDIV]|Vector for Self Test|X
|58499|$E483|[SLFTSV]| |X
|58502|$E486|[PHENTV]| |X
|58505|$E489|[PHULNV]| |X
|58508|$E48C|[PHINIV]| |X
|58511|$E48F|[GPDVV]| |X
| | | | |
| | | | |to be completed ...
| | | | |
|59310|$E7AE|[SYSVBL]|X|
|59345|$E7D1|[SYSVBL]|A|
| | | | |
|65527|$FFF7| |[can be used to identify OS version|OS Versions]|
|65528|$FFF8|[CHKSUN]|[can be used to identify OS version|OS Versions]|
|65530,65531|$FFFA,$FFFB|[PVECT]| |