55 lines
3.0 KiB
Plaintext
55 lines
3.0 KiB
Plaintext
|
{MS-Pascal / MS-FORTRAN FCB Declaration Include File}
|
|||
|
|
INTERFACE; UNIT
|
|||
|
|
FILKQQ (FCBFQQ, FILEMODES, SEQUENTIAL, TERMINAL, DIRECT);
|
|||
|
|
|
|||
|
|
TYPE
|
|||
|
|
FILEMODES = (SEQUENTIAL, TERMINAL, DIRECT);
|
|||
|
|
|
|||
|
|
FCBFQQ = RECORD {byte offsets start every field comment}
|
|||
|
|
{fields accessible by Pascal user as <file variable>.<field>}
|
|||
|
|
TRAP: BOOLEAN; {00 Pascal user trapping errors if true}
|
|||
|
|
ERRS: WRD(0)..15; {01 error status, set only by all units}
|
|||
|
|
MODE: FILEMODES; {02 user file mode; not used in unit U}
|
|||
|
|
MISC: BYTE; {03 pad to word bound, special user use}
|
|||
|
|
{fields shared by units F, V, U; ERRC / ESTS are write-only}
|
|||
|
|
ERRC: WORD; {04 error code, error exists if nonzero}
|
|||
|
|
{1000..1099: set for unit U errors}
|
|||
|
|
{1100..1199: set for unit F errors}
|
|||
|
|
{1200..1299: set for unit V errors}
|
|||
|
|
ESTS: WORD; {06 error specific data usually from OS}
|
|||
|
|
CMOD: FILEMODES; {08 system file mode; copied from MODE}
|
|||
|
|
{fields set / used by units F and V, and read-only in unit U}
|
|||
|
|
TXTF: BOOLEAN; {09 true: formatted / ASCII / TEXT file}
|
|||
|
|
{false: not formatted / binary file}
|
|||
|
|
SIZE: WORD; {10 record size set when file is opened}
|
|||
|
|
{DIRECT: always fixed record length}
|
|||
|
|
{others: max length (UPPER (BUFFA))}
|
|||
|
|
MISB: WORD; {12 unused, exists for historic reasons}
|
|||
|
|
OLDF: BOOLEAN; {14 true: must exist before open; RESET}
|
|||
|
|
{false: can create on open; REWRITE}
|
|||
|
|
INPT: BOOLEAN; {15 true: user is now reading from file}
|
|||
|
|
{false: user is now writing to file}
|
|||
|
|
RECL: WORD; {16 DIRECT record number, lo order word}
|
|||
|
|
RECH: WORD; {18 DIRECT record number, hi order word}
|
|||
|
|
USED: WORD; {20 number bytes used in current record}
|
|||
|
|
{field used internally by units F and V not needed by unit U}
|
|||
|
|
LINK: ADR OF FCBFQQ;{22 DS offset address of next open file}
|
|||
|
|
{fields used internally by unit F not needed by units V or U}
|
|||
|
|
BADR: ADRMEM; {24 ADR of buffer variable (end of FCB)}
|
|||
|
|
TMPF: BOOLEAN; {26 true if temp file; delete on CLOSE}
|
|||
|
|
FULL: BOOLEAN; {27 buffer lazy evaluation status, TEXT}
|
|||
|
|
MISA: BYTE; {28 unused, exists for historic reasons}
|
|||
|
|
OPEN: BOOLEAN; {29 file opened; RESET / REWRITE called}
|
|||
|
|
{fields used internally by unit V not needed by units F or U}
|
|||
|
|
FUNT: INTEGER; {30 Fortran unit number, always above 0}
|
|||
|
|
ENDF: BOOLEAN; {32 last operation was the ENDFILE stmt}
|
|||
|
|
{fields set / used by unit U, and read-only in units F and V}
|
|||
|
|
REDY: BOOLEAN; {33 buffer ready if true; set by F / U}
|
|||
|
|
BCNT: WORD; {34 number of data bytes actually moved}
|
|||
|
|
EORF: BOOLEAN; {36 true if end of record read, written}
|
|||
|
|
EOFF: BOOLEAN; {37 end of file flag set after EOF read}
|
|||
|
|
{unit U (operating system) information starts here}
|
|||
|
|
{end of section for unit U specific OS information}
|
|||
|
|
END;
|
|||
|
|
END;
|
|||
|
|
|