https://www.ijs.si/software/snprintf/
On 07-Dec-17 18:22, Jordi Guillaumes Pons wrote:
> This:
>
> [BITXOV]$ mcr pdp8
>
> PDP-8 simulator V4.0-0 Beta git commit id: f1f8c855
> pdp8.ini-9> attach lpt printer.txt
> LPT: creating new file
> pdp8.ini-32> attach ttix 8888
> $JOBening on port 8888
>
> $MSG *** DEFINING LOGICALS ***
>
> WELCOME TO OS/8
>
> DEFINED LOGICALS:
>
> - FOCAL: RKA1: (FOCAL EXAMPLES AND BINARIES)
> - GAMES: RKB1: (BASIC GAMES)
> - DSK: RKB0: (USER PARTITION)
> - SYS: RKA0: (SYSTEM PARTITION)
>
>
> #END BATCH
>
> .DIR
>
>
>
> ISS .DA 1 START .BK 1 MODUL .RL 2
> VECSUB.FT 2 BASIC .WS 21 VECSUB.LS 2
> VECMUL.FT 1 PASCAL.PA 364 VECSUB.RL 2
> VECINV.FT 1 ORB .LD 9 VECINV.LS 2
> GRAVF .FT 2 HELPA .PS 1 VECINV.RL 2
> MODUL .FT 1 BUBBLE.PS 4 VECMUL.LS 2
> TEST .BA 1 ORB .LS 8 VECMUL.RL 2
> EARTH .DA 1 ORB .RL 5 ORB .MP 2
> ORB .FT 7 GRAVF .LS 3 OUT .LS 185
> RUNORB.BI 1 GRAVF .RL 2 START .BI 1
> INIT .CM 1 MODUL .LS 2 MESSAG.TX 1
>
> 33 FILES IN 642 BLOCKS - 2599 FREE BLOCKS
>
> .COMPILE ORB,ORB<ORB.FT
>
> sim> show ver
> PDP-8 simulator V4.0-0 Beta
> Simulator Framework Capabilities:
> 32b data
> 32b addresses
> no Ethernet
> Idle/Throttling support is available
> Host Platform:
> Compiler: DEC C V6.4-005
> Simulator Compiled as C on Dec 7 2017 at 23:50:20
> Memory Access: Little Endian
> Memory Pointer Size: 32 bits
> No Large File support
> SDL Video support: No Video Support
> No RegEx support for EXPECT commands
> OS clock resolution: 10ms
> Time taken by msleep(1): 10ms
> OS: OpenVMS VAX V7.3
> git commit id: f1f8c855
>
>
> Yep, it’s OS/8 running on simh’ PDP-8 running on VAX/VMS 7.3 running
> on simh MicroVAX 3900 :) Slow as hell (the VAX is running on an ARM
> based SoC) but it works.
>
> Does it compile out of the box? I’m afraid not.
>
> Things I had to do to compile the PDP8 simulator:
>
> - Add /MACRO=“CC_DEFS=__VAX” to the MMS command line. It looks the
> CC_DEFS macro gets emptied somehow and then the compiler complains
> because it does not like /DEF=()
> - Hacked a fast and dirty version of snprintf (which simply ignores
> the “n” part), since that routine is not in the DECC RTL. Oh, those
> were the times. This is the routine:
>
> #include <stdio.h>
> #include <varargs.h>
>
> int snprintf (va_alist)
> va_dcl
> {
> char *buffer;
> int size;
> char *format;
> va_list p;
> va_start(p);
>
> buffer = va_arg(p, char*);
> size = va_arg(p, int);
> format = va_arg(p, char*);
>
> return sprintf(buffer, format, p);
> }
>
> Compile it with the /DECC/NAMES=AS_IS qualifiers and insert it into
> the [.BIN.VMS.LIB]simh-nonet-.olb library and the compilation should
> end without problems.
>
> And voilà! You’ll have a PDP-8 simulator running under a VAX simulator
> in your machine of choice.
>
> Or, you can also run it on real VAX hardware… :)
>
>
>
>
>
> _______________________________________________
> Simh mailing list
> Simh@trailing-edge.com
> http://mailman.trailing-edge.com/mailman/listinfo/simh
smime.p7s
Description: S/MIME Cryptographic Signature
_______________________________________________ Simh mailing list Simh@trailing-edge.com http://mailman.trailing-edge.com/mailman/listinfo/simh
