projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b202b2da CH |
1 | #\f |
| 2 | # 30read.s | |
| 3 | # | |
| 4 | # READ OPERATIONS | |
| 5 | # | |
| 6 | _GET: | |
| 7 | incl r10 | |
| 8 | calls $0,_iosync #insure that something is in the window | |
| 9 | bisw2 $SYNC,FUNIT(r7) #throw it away | |
| 10 | jmp (r8) | |
| 11 | _FNIL: | |
| 12 | incl r10 | |
| 13 | movl (sp),r0 | |
| 14 | bbs $fWRITE,FUNIT(r0),l3002 #ignore sync of output files | |
| 15 | movl r7,r2 | |
| 16 | movl _file,r3 | |
| 17 | calls $0,_unit #do not discard arguement to unit on return | |
| 18 | calls $0,_iosync | |
| 19 | movl r2,r7 | |
| 20 | movl r3,_file | |
| 21 | l3002: | |
| 22 | jmp (r8) | |
| 23 | _READ4: | |
| 24 | incl r10 | |
| 25 | calls $0,_unsync #prepare input stream | |
| 26 | pushl $0 #space for answer | |
| 27 | pushl sp #ptr to answer space | |
| 28 | pushal rd4 #ptr to input format | |
| 29 | pushl FBUF(r7) #stream | |
| 30 | calls $3,_fscanf | |
| 31 | cmpl $1,r0 | |
| 32 | bneq eiread | |
| 33 | bisw2 $SYNC,FUNIT(r7) | |
| 34 | jmp (r8) | |
| 35 | eiread: | |
| 36 | movw $EBADINUM,_perrno | |
| 37 | jbr error | |
| 38 | _READ8: | |
| 39 | incl r10 | |
| 40 | calls $0,_unsync #prepare input stream | |
| 41 | clrd -(sp) #space for answer | |
| 42 | pushl sp #ptr to answer space | |
| 43 | pushal rd8 #ptr to input format | |
| 44 | pushl FBUF(r7) #stream | |
| 45 | calls $3,_fscanf | |
| 46 | cmpl $1,r0 | |
| 47 | bneq efread | |
| 48 | bisw2 $SYNC,FUNIT(r7) | |
| 49 | jmp (r8) | |
| 50 | efread: | |
| 51 | movw $EBADFNUM,_perrno | |
| 52 | jbr error | |
| 53 | _READLN: | |
| 54 | incl r10 | |
| 55 | calls $0,_iosync | |
| 56 | bbs $fEOLN,FUNIT(r7),l3005 #check for already at end of line | |
| 57 | pushal rdln | |
| 58 | pushl FBUF(r7) | |
| 59 | calls $2,_fscanf | |
| 60 | l3005: | |
| 61 | bisw2 $SYNC,FUNIT(r7) | |
| 62 | jmp (r8) | |
| 63 | _READC: | |
| 64 | incl r10 | |
| 65 | calls $0,_iosync | |
| 66 | cvtbw (r7),-(sp) | |
| 67 | bisw2 $SYNC,FUNIT(r7) | |
| 68 | jmp (r8) | |
| 69 | ||
| 70 | rd4: .byte '%,'l,'d, 0 | |
| 71 | rd8: .byte '%,'l,'f, 0 | |
| 72 | rdln: .byte '%,'*,'[,'^,linefeed,'],'%,'*,'c, 0 |