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Author SHA1 Message Date
Mark Pizzolato
41978eca80 All: Convert from C runtime library perror() to sim_perror so that all messages will arrive in the same place(s). 2015-04-03 19:56:37 -07:00
Mark Pizzolato
f2ca388f9c GRI, PDP1, S3, SDS: Forwardport of Bob Supnik's merge from the master branch (change to sim_printf) 2015-04-03 19:53:39 -07:00
Mark Pizzolato
fb3c5327b7 H316: Merge updates from Bob Supnik and Bob Armstrong (Instruction decoding) 2015-04-03 18:49:44 -07:00
Mark Pizzolato
2f350955ec I1620: Fixes Tom McBride 
- Card Reader/Punch, Line Printer, Paper Tape Reader/Punch, Typewriter Translation Tables
 2015-04-03 18:38:50 -07:00
Mark Pizzolato
c221e1ff97 ALTAIR, Interdata, LGP, NOVA: Addition of sim_printf in various places from Bob Supnik 2015-04-03 18:33:31 -07:00
Mark Pizzolato
7b3fdf5718 I1401: Bob Supnik added options to read cards and print line printer output from the console terminal window. 2015-04-03 17:33:24 -07:00
Mark Pizzolato
ef6528bf32 SCP: Added automatic saving of console WRU, DEL, BRK and PCHAR console variables and provided a way for a simulator to declare that is doesn't have a console port so automatic WRU detection can be performed. 2015-04-03 16:05:01 -07:00
Mark Pizzolato
bccf98e979 FRONTPANEL: Added support register indirect register queries and various ways to deposit and examine registers and memory. 2015-04-03 04:44:09 -07:00
Mark Pizzolato
9cb9018665 SCP: Extend SHOW processing for default (unspecified) device to also handle global show modifiers, thus making SHOW RADIX display the radix for the default device (usually CPU). 2015-04-03 04:42:35 -07:00
Mark Pizzolato
f081ddf9aa PDP10: Make file position settings consistently use sim_ftell() instead of ftell(). 2015-04-02 10:02:00 -07:00
Mark Pizzolato
a8087ac4cc SCP: Return write failure (write 0 bytes) if malloc fails in sim_fwrite on a big-endian host. Fix #204 2015-04-02 07:01:23 -07:00
Scott Bailey
38eaee77d9 SCP: future-proof save/restore logic 
Distinguish explicitly between save_vercur, the version that is
	used by sim_save(), and save_ver40, the latest defined version
	that is supported by sim_rest().

	The intent is to ensure that a change to save_vercur does not
	cause an unedited sim_rest() to think it knows how to read that
	new format if a human forgets to add the appropriate logic. This
	also removes some possible ambiguity in sim_rest() about what
	elements are present in what format versions.

	Finally, added a comment reminding authors to update save_vercur
	in conjunction with any changes to sim_save().
 2015-04-01 11:02:19 -07:00
Mark Pizzolato
d84883a4ce SCP: Add a special pseudo name "$" which is the value returned from the most recent EXAMINE command which can be used for register (or memory) indirect EXAMINE commands. 
To examine the instruction which the PC points at:
   sim> EXAMINE PC
   sim> EXAMINE -m $
 2015-04-01 10:29:14 -07:00
Mark Pizzolato
975327dcac ECLIPSE: Fixed typo in DIVS from Bob Supnik. Fix: #200 2015-03-30 16:12:00 -07:00
Mark Pizzolato
d75c072235 VAX, VAX780, VAX8600, MicroVAX1, MicroVAX2: Stabilize SAVE/RESTORE capabilities to allow restore of older version VAX and VAX780 save images and to properly allow simulator restores of processor model variations as discussed in #197 points 1 & 2 2015-03-30 13:52:48 -07:00
Mark Pizzolato
478ff3d453 MicroVAX2, rtVAX1000: Avoid non-existent severe machine check exception. As per Bob Supnik. Fix #199 2015-03-30 10:37:41 -07:00
Mark Pizzolato
5e556cc70a ALL VAX: Fix vax_cpu to be model invariant and implement platform specific machine behavior in model specific machine_check routine. As per Bob Supnik. Fix #198 2015-03-30 10:27:02 -07:00
Mark Pizzolato
66dba79418 ALPHA, ALTAIR, AltairZ80, I7094, NOVA, PDP1, PDP10, PDP11, PDP18B, PDP8, SAGE, sigma, swtp6800, TX-0, VAX: Change tabs to spaces which had crept in over time 2015-03-30 10:24:24 -07:00
Mark Pizzolato
1d3ac294c4 SCP: Make sure that dynamically allocated print buffers have room for NUL character string terminator 2015-03-30 10:15:33 -07:00
Mark Pizzolato
137f825811 SCP: Removed unused conditional compile referenced to HAS_vsprintf_void and HAS_vsnprintf_void. Avoid emitting redundant \r characters when writing to stdout while a simulator is running. Suggestions from Bob Supnik. 2015-03-29 16:21:27 -07:00
Mark Pizzolato
cc442a85cc PDP11: Avoid console input buffer overrun when polling for new console input 2015-03-27 04:11:53 -07:00
Mark Pizzolato
4da7f5e028 PDP11: FP fix from Bob Supnik: MMR1 does not track register changes (Johnny Billquist) Fix #44 2015-03-26 14:32:34 -07:00
Mark Pizzolato
6bf32c0687 I1620: Separated compare from add/sub flows (Tom McBride) Removed ADD_SIGNC return from add/sub flows. From Bob Supnik - Fix #172 
The FP is "collateral damage" from simplifying the add_field routine.

This version runs CU01 without the record mark test.
 2015-03-26 12:49:19 -07:00
Howard M. Harte
569cfaf591 AltairZ80: mfdc: Only display ROM write attempt error messages when debug is enabled 2015-03-21 13:33:59 -07:00
Mark Pizzolato
46d7bfc660 SCP: Fix sim_disk to avoid potential reference to uninitialized context structure. Fix #194 2015-03-19 13:52:33 -07:00
Mike Douglas
89a3783281 AltairZ80: mfdc: allow disk controller to work with MZOS disk images 
Do not insert the computed checksum for VGI disk images, since the
checksum is already present in the sector data.
 2015-03-18 19:41:24 -07:00
Mark Pizzolato
590895bfe5 SCP: Added generic primitives to create named shared memory regions which can be used interprocess memory sharing 
This is a basic starting point to create the memory regions.  At some point synchronization primitives will probably also be necessary.
 2015-03-17 22:11:07 -07:00
Mark Pizzolato
50d1407c97 DOC: Add paper by Bob Supnik "Simulators: Virtual Machines of the Past and Future" published in ACM Queue 2004 2015-03-16 16:06:23 -07:00
Mark Pizzolato
3c3c8d6e29 VAX: Convert CPU level debugging to use sim_debug instead of DEBUG_PRI for consistent CPU device debug output 2015-03-06 10:06:21 -08:00
Mark Pizzolato
83338d1d1a README: Update to describe packet throttling option for XQ & XU ethernet devices 2015-03-04 08:37:19 -08:00
Mark Emmer
f56ade6168 SDS: Adjust communication MUX inter-character timing 
When stuffing the LOGOUT command to a pseudo-teletype, the command script processing program CCP encountered a race condition because the MUX timing was too slow.  The pseudo-teletype did not reliably log off as desired. Cutting the event wait time in half fixed the problem.
 2015-03-01 22:59:03 -06:00
Mark Pizzolato
b8629a1142 FRONTPANEL: Restrict HALT, BOOT, CONT, STEP activities from executing in device frontpanels. 2015-02-28 11:20:59 -08:00
Mark Pizzolato
947fe4a031 VAX8600: Fix 8600 reboot 
The reboot command code was not defined, and even when defined, it didn't get executed before the simulated code executed a HALT instruction.  Solved by scheduling immediate execution of reboot command.
 2015-02-27 14:38:35 -08:00
Mark Pizzolato
75442d0944 Visual Studio Projects: Added download path for Visual Studio 2008 SP1 2015-02-27 11:10:15 -08:00
Mark Pizzolato
8c0fc33b2e FRONTPANEL: Merged simulator panel and device panel constructors. 2015-02-26 12:13:56 -08:00
Mark Pizzolato
71fe58b33a FRONTPANEL: Added better protocol debug support to debug simulator startup issues 2015-02-26 11:28:08 -08:00
Mark Pizzolato
df6953bf82 FRONTPANEL: Allow simulation startup to take up to 10 seconds (in 100ms steps) 2015-02-25 14:31:52 -08:00
Mark Pizzolato
ab402130b1 FRONTPANEL: Avoid issues restarting test application soon after prior runs of test application 2015-02-25 13:35:41 -08:00
Mark Pizzolato
413ab4b9a6 FRONTPANEL: Added simulator command execution tracing during protocol debugging/initialization 2015-02-24 22:07:25 -08:00
Mark Pizzolato
9eb8439658 SCP: Fix spelling of SET VERBOSE command alias for SET VERIFY. 2015-02-24 22:06:00 -08:00
Mark Pizzolato
45b39e864b FRONTPANEL: FrontPanelTest - Added command line -d option to enable protocol debugging 2015-02-24 21:12:49 -08:00
Mark Pizzolato
059a54152a FRONTPANEL: General Enhancements 
- added verification of the existence of simulator registers which they are referenced.
- sim_frontpanel API version checking to make sure that the invoking API and the simulator support the same capabilities.
- added the ability for a simulator to reference data in simh register data which is not in the set of registers defined in the default simh device (usually the CPU).
- added a simulator time reference relating to a set of register data which is provided.
- added example automatically creating a console terminal port from a simulator startup (front panel or not).
 2015-02-24 19:49:09 -08:00
Mark Pizzolato
26ef9b566a PDP11, VAX: const cleanup 2015-02-21 12:48:35 -08:00
Mark Pizzolato
e768629009 SCP: Added the capability for EXAMINE command output to be written directly to a socket. 2015-02-21 12:40:36 -08:00
Mark Pizzolato
f5cd5439f5 FRONTPANEL: Minimuze the latency for register content queries by coalescing all response data into a single response packet. 2015-02-20 16:20:18 -08:00
Mark Pizzolato
02295fa215 FRONTPANEL: Limit pending register value queries to a single query since there additional queries won't provide better information. 2015-02-20 16:18:41 -08:00
Mark Emmer
a67afa4a29 SDS: Do not stop simulator on paper tape reader error 
The simulator stops when reading past EOF on the paper tape device's attached disk file (or if no file is attached to this device). The SDS timesharing system is capable of processing an end-of-record interrupt in these circumstances, resulting in proper error reporting to the user program that is reading paper tape.
 2015-02-17 22:12:28 -06:00
Mark Pizzolato
ce3e6358aa FRONTPANEL: Add OS X support to sim_frontpanel, add build requirements to documentation. 2015-02-17 16:36:23 -08:00
Mark Pizzolato
e1b7bb3b56 FRONTPANEL: Added comments describing the frontpanel API use. Added Error state to a panel which reflects a panel which is currently non-operational and which hopefully will be indicated by calling sim_panel_get_error 2015-02-17 07:58:21 -08:00
Mark Pizzolato
d83060938e SOCKETS: Fixed commit e69c3adf5 to also work on non Windows platforms 2015-02-15 12:48:37 -08:00