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-
- ;
- ; gets(buff)
- ;
- ;
- CBDOS EQU 5 ;/* bdos entry point */
- CPMARG EQU 128 ;/* CP/M command line */
- MAXARG EQU 32 ;/* Maximum number of input args */
- STDIN EQU 0
- STDOUT EQU 1
- STDERR EQU 2
- STDLST EQU 4
- CTRLZ EQU 26 ;control z
- NULL EQU 0 ;pointer to nothing
- FCBSIZE EQU 36 ;size, in bytes, of an FCB
- NEXTP EQU 0 ;offset to next-character pointer in I/O structure
- UNUSED EQU 2 ;offset to unused-positions-count in I/O structure
- BUFFER EQU 6 ;offset to disk sector buffer in I/O structure
- UNGOT EQU 5 ;offset to char ungotten by ungetc()
- FLAG EQU 33 ;file-type flag byte (in unused part of FCB)
- FREEFLG EQU 128 ;This I/O structure is available for the taking
- EOFFLG EQU 2 ;The end of this file has been hit
- WRTFLG EQU 1 ;This file open for writing
- BUFSIZ EQU 1024 ;how long the sector buffer is
- NBUFS EQU 8 ;number of I/O buffers
- TBUFF EQU 128 ;default cpm buffer
- LF EQU 10
- EOL EQU 13
- ;
- ; CP/M BDOS CALLS
- ;
- CLOSE EQU 16 ;close a file
- CPMSTR EQU 9 ;print '$' delimited string on console
- CREATE EQU 22 ;make a file
- DMA EQU 26 ;set DMA (I/O address)
- DELETE EQU 19 ;delete a file
- GETCH EQU 1 ;read character from console
- GETSTR EQU 10 ;read string from console
- LSTOUT EQU 5 ;write character to list device
- OPEN EQU 15 ;open a file
- PUTCH EQU 2 ;write character to console
- QUERY EQU 25 ;get logged-in drive id
- READ EQU 20 ;read a sector
- SELECT EQU 14 ;log-in a drive
- WRITE EQU 21 ;write a sector
- ;
- ; File i/o storage varibles found in ulink()
- ;
- EXTRN ZZUNIT
- EXTRN ZZIP
- EXTRN ZZCHP
- EXTRN ZZDP
- EXTRN ZZFILE
- EXTRN ZZMODE
- EXTRN ZZCH
- EXTRN ZZT
- EXTRN ZZFN
- EXTRN ZZNUBU
- EXTRN ZZMXSC
- ;
- ; Characteristics variable storage found in ulink()
- ;
- EXTRN ZZSVCH
- EXTRN ZZDFLT
- EXTRN ZZSTAK
- EXTRN ZZMEM
- ;
- EXTRN GETC
- ;
- GETS::
- POP B
- POP H
- PUSH H
- PUSH B
- SHLD ZZCHP
- DCX H ; save = buff[-1]; save2 = buff[-2];
- MOV D,M ; buff[-1] = 0; buff[-2] = 79;
- MVI M,0
- DCX H
- MOV E,M
- MVI M,79 ;6 May 80 rj
- PUSH H
- PUSH D
- XCHG ; cpm(GETSTR,buff-2);
- MVI C,GETSTR
- CALL CBDOS ; (mod to cbdos(fas))
- LHLD ZZCHP ; buff[buff[-1]] = 0; (9 Jun 80. Was cp)
- DCX H
- MOV E,M
- INX H
- MVI D,0
- DAD D
- MVI M,0
- POP D ; buff[-1] = save; buff[-2] = save2;
- POP H
- MOV M,E
- INX H
- MOV M,D
- INX H
- MVI C,PUTCH ; putchar('\n');
- MVI E,LF
- CALL CBDOS ; (mod to cbdos(fas))
- LHLD ZZCHP ; return(buff);
- RET ; }
-
- END
-