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- R:FILE: TUTORIAL.PLT
- R: READS AN EXTERNAL DATA FILE AND DISPLAYS THE TEXT ON THE CONSOLE
- R: A SCREENFUL AT A TIME.
-
- %: pause
- t:@$h@
- r:home down 21 lines.
- c:for #i:=1 to 21 do writeln
- t:@$s:27@Press any key to continue;
- u:keyin(ch)
- e:
-
- %: do_process
- t:@$c@;
- c:done := FALSE
- c:while not done do begin
- u:readln(f2,ans)
- x:ans[1]='.'
- tn:@ans@
- jn:*break
- x:ans = '.end'
- cy:done := TRUE
- jy:*break
- x:ans = '.pause'
- uy:pause
- jy:*break
- x:ans = '.break'
- ty:@$c@
- *break
- c:end{while}
- E:
-
- *BEGIN
- r: a space character
- c:$s := ' '
-
- r: STRING TO CLEAR THE SCREEN AND HOME UP THE CURSOR.
- c:$c[1] := chr(27); $c[2] := 'E'; setlength($c,2)
-
- r: STRING TO HOME UP THE CURSOR BUT NOT CLEAR THE SCREEN.
- c:$h[1] := chr(27); $h[2] := 'H'; setlength($h,2)
-
- r: THE INPUT DATA FILE.
- c:$n := 'CPM.HLP'
-
- r:ATTEMPT TO OPEN FILE $n FOR READ.
- u:reset($n,f2)
- x:eof(f2)
- ty:CP/M HELP FILE NOT FOUND.
- jy:*END
-
- *MENU
- t:@$c@
- t: A - General Information on CP/M
- t: B - CP/M File References
- t: C - CP/M Line Editing and Output Control
- t: D - CP/M Built-In Commands
- t: E - CP/M Transient Commands
- t: F - Physical Device Assignments for ARIES-1
- t: G - CP/M STAT Command
- t: H - CP/M PIP Command
- t: I - CP/M ED Command
- t: J - CP/M ASM Command
- t: K - CP/M LOAD Command
- t: L - The UNLOAD Command
- t: M - CP/M DDT Command
- t: N - The ZDT Command
- t: O - CP/M SYSGEN Command
- t: P - CP/M SUBMIT and XSUB Commands
- t: Q - CP/M BIOS -- Basic I/O Operations
- t: R - CP/M BDOS -- Basic Disk Operations
- t: S - CP/M File Types
- t: T - CP/M BIOS Jump Vector
- t:@$s:10@Which would you like to review?<escape to end>;
- u:repeat keyin(ch)
- x: ord(ch)=27
- jy: *END
- c: ch:=toupper(ch)
- u:until ch in ['A'..'T']
- c:#F := ord(ch)
-
- r:REWIND THE DATA FILE.
- u:reset($n,f2)
-
- c:while not eof(f2) do begin
- u: readln(f2,ans)
- x: isdigit(ans[1])
- jn: *around
- x: ivalue(ans,1)=#F
- uy: do_process
- jy: *quitloop
- *around
- c:end{while}
- *quitloop
- j:*MENU
- *END
- E: