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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
| commit | 97d5c458cfa039d857301e1ca7d5af3beb37131d (patch) | |
| tree | b460cd850d0537eb71806ba30358840377b27688 /static/unix-v10/man4/pc.4 | |
| parent | b89dc2331a50c63f8b33272a5c4c61ab98abdaa3 (diff) | |
build: Better Build System
Diffstat (limited to 'static/unix-v10/man4/pc.4')
| -rw-r--r-- | static/unix-v10/man4/pc.4 | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/static/unix-v10/man4/pc.4 b/static/unix-v10/man4/pc.4 new file mode 100644 index 00000000..461788ea --- /dev/null +++ b/static/unix-v10/man4/pc.4 @@ -0,0 +1,38 @@ +.pa 1 +.he 'PC (IV)'3/15/72'PC (IV)' +.ti 0 +NAME pc -- PC-11 paper tape reader/punch +.sp +.ti 0 +DESCRIPTION ppt___ +refers to the PC-11 paper tape reader or punch, +depending on whether it is read or written. + +When ppt___ is opened for writing, a 100-character leader +is punched. +Thereafter each byte written is punched on +the tape. No editing of the characters +is performed. +When the file is closed, a 100-character trailer is punched. + +When ppt___ is opened for reading, the process +waits until tape is placed in the reader and the reader +is on-line. +Then requests to read cause the characters read +to be passed back to the program, again without +any editing. +This means that several null leader characters +will usually appear at the beginning of the file. +Likewise several nulls are likely to appear at the end. +End-of-file is generated when the tape runs out. + +Seek calls for this file are meaningless. +.sp +.ti 0 +FILES /dev/ppt +.sp +.ti 0 +SEE ALSO -- +.sp +.ti 0 +BUGS -- |