* SK*DOS / 68K EQUATES FOR USER PROGRAMS
        OPT   NOL

* DATA AREA EQUATES (RELATIVE TO A6)

BACKSC  EQU   736      Backspace character ($08)
BAUDRT  EQU   3329     Baud rate for serial ports (/100)
BREAKA  EQU   762      Break (Escape) address (long word)
BSECHO  EQU   743      Backspace echo ($08)
CDAY    EQU   751      Current date - day
CMFLAG  EQU   793      Command flag
CMONTH  EQU   750      Current date - month
COMTAB  EQU   754      Pointer to command table (long word)
CURRCH  EQU   766      Last character read from buffer
CYEAR   EQU   752      Current date - year
DELETC  EQU   737      Delete character ($18)
LINCTR  EQU   3327     Line-on-page counter (for pause)
DEVIN   EQU   3274     Current input device number (0)
DEVOUT  EQU   3275     Current output device number (0)
DEVERR  EQU   3276     Current error device number (1)
DEVTAB  EQU   3278     I/O device table (640 bytes)
DOSORG  EQU   838      Absolute ORG address of SK*DOS
ECHOFL  EQU   800      Input echo flag
ENDLNC  EQU   738      End of line character ($3A)
EOFILC  EQU   3330     End-of-file character ($1A)
ERRTYP  EQU   782      Error type
ESCAPC  EQU   746      Escape char ($1B)
EXECAD  EQU   776      ML execution address (long word)
EXECFL  EQU   774      Execution address flag
FIADDR  EQU   788      File input address vector (long word)
FNCASE  EQU   801      File Name case flag
FOADDR  EQU   784      File output address vector (long word)
LASTRM  EQU   753      Last terminator
LINBUF  EQU   608      Line buffer (128 bytes)
LPOINT  EQU   758      Pointer to line buffer (long word)
MAXDRV  EQU   802      Maximum drive number
MEMEND  EQU   796      Last usable memory address (long word)
NULLWT  EQU   3324     Null wait constant
OCOLUM  EQU   3328     Current output column
OFFSET  EQU   770      Offset load address (long word)
PAUSEB  EQU   3326     Output pause control byte
PLINES  EQU   3322     Number of printed lines per page
PREVCH  EQU   767      Previous character read
PWIDTH  EQU   3323     Page column width
REPEAC  EQU   749      Repeat character ($01)
SEQNUM  EQU   806      Sequence number
SLINES  EQU   3325     Number of skipped lines between pages
SPECIO  EQU   792      Special I/O Indicator
SYSTDR  EQU   747      System default drive
TTAB    EQU   742      Tab (not currently used)
USRFCB  EQU     0      User FCB (608 bytes)
WORKDR  EQU   748      Working default drive
XOFFC   EQU   3331     X-OFF character (0)
XONC    EQU   3332     X-ON character (0)

* NON-DISK FUNCTIONS

CLASFY  EQU  $A02E     Classify alphanumeric characters
DECIN   EQU  $A030     Input decimal number
DEFEXT  EQU  $A024     Default extension
DIREST  EQU  $A026     Floppy disk restore
DISEEK  EQU  $A027     Floppy disk seek
EXECSD  EQU  $A01F     Execute a SK*DOS command
FINDEV  EQU  $A012     Find device number from device name
GETCH   EQU  $A029     Get input character with echo (7 bits)
GETDNT  EQU  $A03F     Get date (D5) and time (D6)
GETNAM  EQU  $A023     Get file name into FCB
GETNXT  EQU  $A02D     Get next character from buffer
HEXIN   EQU  $A02F     Input hexadecimal number
INLINE  EQU  $A02C     Input into line buffer
INNOEC  EQU  $A02A     Get input character without echo (8 bits)
INTDIS  EQU  $A040     Disable interrupts
INTENA  EQU  $A041     Re-enable interrupts to previous status
LOADML  EQU  $A022     Load open machine language file
OSTATS  EQU  $A03D     Check output port status
OUT10D  EQU  $A039     Output 5 decimal digits
OUT2H   EQU  $A03A     Output 2 hex digits
OUT4H   EQU  $A03B     Output 4 hex digits
OUT5D   EQU  $A038     Output 5 decimal digits
OUT8H   EQU  $A03C     Output 8 hex digits
PCRLF   EQU  $A034     Print CR/LF
PERROR  EQU  $A037     Print error code
PNSTRN  EQU  $A036     Print string (Without CR/LF)
SEENXT  EQU  $A03E     See (preview) next character in buffer
PSTRNG  EQU  $A035     Print CR/LF and string
PUTCH   EQU  $A033     Output character
RENTER  EQU  $A025     Re-enter SK*DOS
RESIO   EQU  $A020     Reset I/O pointers
RESTRP  EQU  $A021     Reset trap vectors
STATUS  EQU  $A02B     Check keyboard for character (and number)
TOUPPR  EQU  $A031     Convert lower case IN D5 to upper
VPOINT  EQU  $A000     Point to SK*DOS variable area
WARMST  EQU  $A01E     Warm start

* DISK FUNCTIONS

DIROPN  EQU  $A00B     Open directory file
DSREAD  EQU  $A00D     Read directory or system information sector
DSWRIT  EQU  $A00E     Write directory or SIS entry
FCLOSE  EQU  $A008     Close file
FCSCLS  EQU  $A009     Close all open files
FCSINI  EQU  $A01B     Initialize File Control System
FDELET  EQU  $A00F     Delete a file
FDRIVE  EQU  $A01A     Find next drive number
FOPENR  EQU  $A005     Open a file for read
FOPENU  EQU  $A007     Open a file for update
FOPENW  EQU  $A006     Open a file for write
FRBACK  EQU  $A015     Backup to previous sector
FREAD   EQU  $A001     Read the next byte from file
FRENAM  EQU  $A010     Rename a file
FREWIN  EQU  $A00A     Rewind file
FRGET   EQU  $A016     Read a random byte
FRPUT   EQU  $A017     Write a random byte
FRRECD  EQU  $A014     Select a specified random sector
FSKIP   EQU  $A011     Skip current sector
FWRITE  EQU  $A002     Write the next byte to the file
SISOPN  EQU  $A00C     Open system information sector
SREAD   EQU  $A01C     Read a single sector
SWRITE  EQU  $A01D     Write a single sector

* FILE CONTROL BLOCK EQUATES

FCBERR  EQU  1         Error code
FCBRW   EQU  2         Read=1 write=2 update=3 or $83
FCBDRV  EQU  3         Logical Drive number
FCBNAM  EQU  4         File name (8 chars)
FCBEXT  EQU  12        Extension (3 chars)
FCBATT  EQU  15        File attributes (bits 4-7)
FCBFTR  EQU  18        First track of file
FCBFSE  EQU  19        First sector of fileFIRST SECTOR OF FILE
FCBLTR  EQU  22        Last track of file
FCBLSE  EQU  23        Last sector of file
FCBSIZ  EQU  24        File size in sectors (2 bytes)
FCBRAN  EQU  26        Random indicator (0=seq)
FCBTIM  EQU  27        Time or Sequence No.
FCBMON  EQU  28        Month
FCBDAY  EQU  29        Date of file creation or update
FCBYR   EQU  30        Year
FCBCTR  EQU  34        Current track in buffer
FCBCSE  EQU  35        Current sector in buffer
FCBNMB  EQU  36        Temp name buffer (11 chars w. ext)
FCBDPT  EQU  49        Data pointer to next byte (4-255)
FCBRIN  EQU  51        Random file index pointer
FCBNMS  EQU  52        2nd name buffer (11 chars w. ext)
FCBSCF  EQU  59        Space compr. flag (0=compr, FF=no)
FCBSPT  EQU  60        Sectors per track for random
FCBUPD  EQU  61        Random update flag
FCBTMP  EQU  62        Temp storage for random
FCBLST  EQU  68        Pointer to next open FCB
FCBPHY  EQU  72        Physical drive number
FCBDIT  EQU  74        Directory track
FCBDIS  EQU  75        Directory sector
FCBDIB  EQU  77        Directory starting byte index
FCBCRN  EQU  78        Current record number (2 bytes)
FCBDAT  EQU  96        Beginning of data buffer (256 bytes)

        OPT  LIS
