simh中運行unix v7

安裝simh：win下直接安裝，linux下make後在BIN目錄找到pdp11並cp到搜索路徑目錄下:

若要支持網絡make前：

sudo apt install libpcap-dev libvdeplug-dev libsdl2-dev libsdl-dev

去http://simh.trailing-edge.com/kits/uv7swre.zip載uv7swre.zip，解壓後生成unix_v7_rl.dsk 

或到天翼雲盤下載（訪問碼：0933）

啓動文件

echo
echo at the prompt type in
echo @ boot
echo at the prompt type in
echo : rl(0,0)rl2unix
echo
set   cpu   u18 
set   rl0   RL02 
att   rl0   unix_v7_rl.dsk 
boot   rl0
q

啓動並登陸

$ pdp11 boot.int 

PDP-11 simulator V3.9-0

at the prompt type in
@ boot
at the prompt type in
: rl(0,0)rl2unix

Disabling XQ
@boot
New Boot, known devices are hp ht rk rl rp tm vt 
: rl(0,0)rl2unix
mem = 177856
# cat /etc/passwd
root:VwL97VCAx1Qhs:0:1::/:
daemon:x:1:1::/:
sys::2:2::/usr/sys:
bin::3:3::/bin:
uucp::4:4::/usr/lib/uucp:/usr/lib/uucico
dmr::7:3::/usr/dmr:
# Restricted rights: Use, duplication, or disclosure
is subject to restrictions stated in your contract with
Western Electric Company, Inc.
Mon Sep 26 07:24:19 EDT 1988

# mkdir /usr/dmr
# chown dmr /usr/dmr
# chgrp 3 /usr/dmr
# mkdir /tmp
# chmod 777 /tmp
# ^D




login: dmr
$

$ pdp11 boot.int 

 

 

編譯運行一個c程序

$ ed hello.c
?hello.c
a
main()
{
   printf("Hello World!\n");
}
.
w
40
q
$ cc hello.c
$ a.out
Hello World!

運行一個fortran77程序

$ ed ex2.f
?ex2.f
a
C MAIN PROGRAM
        PROGRAM EX2
        PRINT *, 'radius=', 1.0, ' Circum=', Cf(1.0)
        PRINT *, 'radius=', 3.0, ' Circum=', Cf(3.0)
        PRINT *, 'radius=', 12.0, ' Circum=', Cf(12.0)
        PRINT *, 'radius=', 5.0, ' Circum=', Cf(5.0)
        END

C SUBPROGRAM
        FUNCTION Cf(R)
        PI=3.1415926
        Circum=2*PI*R
        RETURN
        END
.
w
368
q
$ f77 ex2.f
ex2.f:
   MAIN ex2:
   cf:
$ ./a.out
 radius=  1.00000000  Circum=  .000000000e+00
 radius=  3.00000000  Circum=  .000000000e+00
 radius=  .120000000e+02  Circum=  .000000000e+00
 radius=  5.00000000  Circum=  .000000000e+00