qdosmsq:sbinternal:sbvars

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qdosmsq:sbinternal:sbvars [2016/03/17 16:12]
superuser created
qdosmsq:sbinternal:sbvars [2016/03/17 16:18]
superuser
Line 1: Line 1:
 +====== SuperBasic Variables Area ======
 +
 +^Offset^Size^Mnemonic^Description^
 +|$00 |Long |BV_BFBAS |Buffer Base |
 +|$04 |Long |BV_BFP |Buffer running pointer - aka Top |
 +|$08 |Long |BV_TKBAS |Token List |
 +|$0C |Long |BV_TKP |Token List Top |
 +|$10 |Long |BV_PFBAS |Program File Base |
 +|$14 |Long |BV_PFP |Program File Top |
 +|$18 |Long |BV_NTBAS |Name Table Base |
 +|$1C |Long |BV_NTP |Name Table Top |
 +|$20 |Long |BV_NLBAS |Name List Base |
 +|$24 |Long |BV_NLP |Name List Top |
 +|$28 |Long |BV_VVBAS |Variables Values Base |
 +|$2C |Long |BV_VVP |Variables Values Top |
 +|$30 |Long |BV_CHBAS |Channel Table Base |
 +|$34 |Long |BV_CHP |Channel Table Top |
 +|$38 |Long |BV_RTBAS |Return Table Base |
 +|$3C |Long |BV_RTP |Return Table Top |
 +|$40 |Long |BV_LNBAS |Line Number Table Base |
 +|$44 |Long |BV_LNP |Line Number Table Top |
 +|$48 |Long |BV_BTP |Backtrack Stack during parsing |
 +|$4C |Long |BV_BTBAS |Backtrack Stack Base |
 +|$50 |Long |BV_TGP |Temporary Graph Stack during Parsing |
 +|$54 |Long |BV_TGBAS |Temporary Graph Stack Base |
 +|$58 |Long |BV_RIP |Maths Stack Top |
 +|$5C |Long |BV_RIBAS |Maths Stack Base |
 +|$60 |Long |BV_SSP |System Stack Top |
 +|$64 |Long |BV_SSBAS |System Stack Base |
 +|$68 |Word |BV_LINUM |Current Line Number |
 +|$6A |Word |BV_LENGTH |Current Line Length |
 +|$6C |Byte |BV_STMNT |Current Statement on Line |
 +|$6D |Byte |BV_CONT |Continue ($80) or stop ($00) Processing |
 +|$6E |Byte |BV_INLIN |Processing in-line clause or not. Loop ($01), other ($FF) or off ($00) |
 +|$6F |Byte |BV_SING |Single line execution on ($ff) or off ($00) |
 +|$70 |Word |BV_INDEX |Name table row of last in-line loop index used |
 +|$72 |Long |BV_VVFREE |First free space in variables area |
 +|$76 |Long |BV_SSSAV |Value of SP to go to when Out of Memory occurs |
 +|$7A |6 Bytes | |Currently unused |
 +|$80 |Long |BV_RAND |Randon number |
 +|$84 |Long |BV_COMCH |Command Channel ID |
 +|$88 |Word |BV_NXLIN |Line number to start after |
 +|$8A |Byte |BV_NXSTM |Statement to start after |
 +|$8B |Byte |BV_COMLN |Command line saved ($FF) or not ($00) |
 +|$8C |Word |BV_STOPN |Set stop number |
 +|$8E |Byte |BV_EDIT |Program has been edited ($FF) or not ($00) |
 +|$8F |Byte |BV_BRK |Break during I/O ($00) or not ($80) |
 +|$90 |Byte |BV_UNRVL |Need to unravel ($FF) or not ($00) |
 +|$91 |Byte |BV_CNSTM |Statement to CONTinue after |
 +|$92 |Word |BV_CNLNO |Line number to CONTinue after |
 +|$94 |Word |BV_DALNO |Current DATA line number |
 +|$96 |Byte |BV_DASTM |Current DATA stamement number |
 +|$97 |Byte |BV_DAITM |DATA item counter |
 +|$98 |Word |BV_CNIND |In-line loop index to CONTinue with |
 +|$9A |Byte |BV_CNINL |In-line loop flag for CONTinue |
 +|$9B |Byte |BV_LSANY |Whether checking LIST ($FF) or not ($00) |
 +|$9C |Word |BV_LSBEF |Invisible top line number |
 +|$9E |Word |BV_LSBAS |Bottom line number in window |
 +|$A0 |Word |BV_LSAFT |Invisible bottom line number |
 +|$A2 |Word |BV_LENLN |Length of window line |
 +|$A4 |Word |BV_MAXLN |Number of lines in window |
 +|$A6 |Word |BV_TOTLN |Number of window lines so far |
 +|$A8 |Word | |Currently unused |
 +|$AA |Byte |BV_AUTO |AUTO or EDIT is on ($FF) or off ($00) |
 +|$AB |Byte |BV_PRINT |Print from PRTOK ($FF) or not ($00) |
 +|$AC |Word |BV_EDLIN |Next editable line number |
 +|$AE |Word |BV_EDINC |AUTO incerment number |
 +|$B0 |Long |BV_TKPOS |Location of A4 in Token List when starting a PROCedure |
 +|$B4 |Long |BV_PTEMP |Temporary pointer for GO_PROC |
 +|$B8 |Byte |BV_UNDO |Undo return stack ($FF) or not ($00). Results in PROC/FN Cleared. |
 +|$B9 |Byte |BV_ARROW |Arrow down ($FF) or up ($01) or neither ($00) |
 +|$BA |Word |BV_LSFIL |Where to fill window to, when relisting |
 +|$BC |Word |BV_WRLNO |WHEN ERRor line number. QDOS 1.10 onwards |
 +|$BE |Byte |BV_WRSTM |WHEN ERRor statement number. QDOS 1.10 onwards |
 +|$BF |Byte |BV_WRINL |WHEN ERRor in-line ($FF) or not ($000). QDOS 1.10 onwards |
 +|$C0 |Word |BV_WHERR |Processing WHEN ERRor ($80) or not ($00). QDOS 1.10 onwards |
 +|$C2 |Long |BV_ERROR |Last error code. QDOS 1.10 onwards |
 +|$C6 |Word |BV_ERLIN |Last error line number. QDOS 1.10 onwards |
 +|$C8 |Word |BV_WVNUM |Number of watched (WHEN) variables. QDOS 1.10 onwards |
 +|$CA |Long |BV_WVBAS |Base of WHEN variable table. QDOS 1.10 onwards ​ |
 +|$CF-$9F|49 Bytes | |Currently unused |
 +|$100 | |BV_END |End of Basic Variables |
  
  • qdosmsq/sbinternal/sbvars.txt
  • Last modified: 2016/03/17 16:18
  • by superuser