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Commit Graph

79 Commits

Author SHA1 Message Date
paul.kimpel@digm.com
47e5d09ef7 1. Release emulator version 0.07.
2. Implement interrupt and device status latching in B5500CentralControl to support better UI display.
3. Implement B5500CardPunch device.
4. Implement preliminary and experimental B5500DummyPrinter device; correct printer I/O initiation in IOUnit.
5. Correct the way that Printer Finished interrupts are handled in IOUnit and CentralControl.
6. Implement Card Load Select in B5500Console and B5500SyllableDebugger.
7. Fix lack of presence-bit detection in return ops for returned values.
8. Redesign B5500CardReader UI to show last two cards read; change method of emptying the input hopper.
9. Set CHECK option and rework SYSTEM/LOG initialization in B5500ColdLoader.html.
10. Centralize system memory cycle time setting; change from 6us to 4us memory cycle time.
11. Increase Processor timeslice to 16ms and rework Processor.schedule() internals for more accurate performance throttling in browsers with poor setTimeout() granularity.
12. Reduce Processor syllable overhead from 2 cycles to 1.
13. Change B5500SPOUnit method of output to "paper" to work better in Google Chrome.
14. Make documentation and debugging enhancements in B5500IOUnit.
15. Release initial test website HTML and Unisys license PDF.
16. Commit Mark XVI DCMCP transcription as of 2013-06-21.
2013-06-24 05:04:15 +00:00
paul.kimpel@digm.com
0071af88c8 Emulator version 0.06:
Implement B5500CardReader peripheral device.
2013-06-15 12:17:05 +00:00
paul.kimpel@digm.com
15fc6c5a0b 1. Finalize and release emulator version 0.05.
2. Fix (we hope) the nasty problem that was causing Invalid Address out of COM5 after large compiles -- bug in MSCW/MSFF tracing in Processor.exitSubroutine().
3. Implement ability to do a hardware load without initiating P1 in CentralControl (used by SyllableDebugger).
4. De-anonymize object prototype method functions in Processor as an aid when using JS debuggers.
5. Rework storeForInterrupt() and initiate() in Processor.
6. Replace bitmask "AND"s with power-of-two "MOD"s in many places in Processor.
7. Replace many bit(), fieldIsolate(), fieldInsert() calls with mod/div expressions in Processor.
8. Fix a problem existing normalization when an Integer Overflow occurs in Integer Store syllables.
9. Fix missing and superfluous break statements in Processor.run() switch statements.
10. Fix incorrect C-register restoration in Character Mode RCA syllable.
11. Correct test for continuity bit in Processor PRL syllable coding.
12. Correct missing "this." in Processor BRT syllable coding.
13. Change way that delayTime and Processor.procSlack is computed in Processor.run().
14. Correct BCL translation bug and directory EOF detection in B5500ColdLoader.
15. Attempt to initialize SYSTEM/LOG in B5500ColdLoader (not working yet).
16. Implement new retro-B5500-Logo.png.
17. Implement Hardware Load button in SyllableDebugger.
18. Release tools/B5500DiskDirList.html utility.
19. Release tools/B5500DiskFileList.html utility with PBD file special formattring.
20. Restrict directory complement to EU0 in B5500ColdLoader.html.
21. Miscellaneous improvements to comments and cosmetics.
2013-05-27 04:08:34 +00:00
paul.kimpel@digm.com
e4f208fcb8 1. Commit B5500 emulator version 0.04.
2. Insert initial interface code for LinePrinter in IOUnit.
3. Implement initial I/O and interrupt display in B5500Console.css.
4. Integrate Nigel's patch to deal with pesky "/" (Quick Find) behavior in SPOUnit for Firefox.
5. Fix DiskUnit to signal interrupt on completion of disk check operation and properly return BIC zeroes for never-written segments.
6. Move B5500ColdLoader and B5500SyllableDebugger into root of webUI/ directory.
7. Fix several problems in ColdLoader's initialization of directory and MCP structures on disk.
8. Commit Mark-XVI DCMCP transcription as of 2013-04-10.
2013-04-11 13:54:06 +00:00
paul.kimpel@digm.com
3db6111394 1. Commit version 0.03 of emulator and tools: this version successfully performs a hardware load from the disk and initiates the MCP.
2. Redesign B5500Console.html to support the Power On, Power Off, Halt, and Load buttons, along with a primitive mechanism to drive the Normal/Control lights.
3. Implement relative URLs for the <script> elements. This is a work in progress.
4. Commit Nigel's fix for the annoying problem with Firefox where typing "/" on the SPO brings up a QuickFind dialog.
5. Commit Mark XIII DCMCP transcription as of 2013-03-20.
6. Move B5500ColdLoader and KERNEL.DISK under webUI directory tree.
2013-03-23 16:33:22 +00:00
paul.kimpel@digm.com
1b6a91c574 1. Commit emulator files at the point where the Mark XIII MCP completely finishes initialization and is able to interact through the SPO.
2. Commit improvements to SyllableDebugger for Silent Running and fixed-column register displays.
2013-03-20 05:58:20 +00:00
paul.kimpel@digm.com
1c3c8ae307 1. Commit emulator files at the point where the Mark XIII MCP appears to be able to initialization.
2. Fix character-mode B-register handling in Processor and slightly optimize some stream syllables.
2. Fix I/O-finished interrupt signaling (or rather, the lack thereof) in IOUnit.
3. Change system option settings in ColdLoader based on recent MCP tests.
4. Commit minor improvements to SyllableDebugger.
5. Commit version of KERNEL object code for use with SyllableDebugger.
6. Commit Mark XVI DCMCP transcription as of 2013-03-17.
2013-03-18 16:10:48 +00:00
paul.kimpel@digm.com
041a114abc Commit emulator development at the point it first printed an MCP Halt/Load message. 2013-03-14 02:58:47 +00:00
paul
448ce04c53 1. Implement the four branch on field non-zero syllables.
2. Implement run-until-this-address feature in SyllableDebugger.
3. Continue debugging by stepping through KERNEL bootstrap and MCP initialization code.
2013-03-04 01:09:38 +00:00
paul
587989c11b 1. Commit DCMCP transcription as of 2013-03-02.
2. Debugging mods to complete single-stepping through KERNEL bootstrap.
3. Implement FBS and LLL in Processor.
4. Delete old this.access() logic in Processor.
2013-03-03 02:56:25 +00:00
paul
e769899afe Implement BIC/BCLANSI translation in B5500ColdLoader and do disk writes in alpha mode; fix typos in DCMCP transcription. 2013-02-25 12:48:07 +00:00
paul
4858c324a1 Debug word mode from single-stepping of KERNEL bootstrap program; fix errors in B5500DiskUnit; minor whitespace corrections in SYMBOL/KERNEL and SYMBOL/COOL. 2013-02-24 02:29:04 +00:00
paul
6f20eab55e Debug character mode presence-bit interrupts and return from interrupt using IP1. 2013-02-18 00:41:10 +00:00
paul
239eb2f624 Continue Character Mode tests; debug Field Add/Subtract; implement and debug word-mode PRL, IOR. 2013-02-17 01:21:44 +00:00
paul
7b3c10954e Commit DCMCP transcription as of 2013-02-08; improve injected-syllable handling in SyllableDebugger. 2013-02-08 15:59:20 +00:00
paul
cb6cdadda0 Continue debugging Character Mode tests. 2013-02-04 02:25:26 +00:00
paul
fd34b8c08d Commit DCMCP transcription as of 2013-02-02; continue debugging Processor character mode; implement store syllables; implement syllable decoding in SyllableDebugger. 2013-02-03 13:30:00 +00:00
paul
3282dde3eb Implement LOD; continue debugging character mode tests. 2013-01-28 03:40:08 +00:00
paul
fcfbd4bab1 Implement branches; debug CC test loader and character mode tests. 2013-01-27 02:37:26 +00:00
paul
b8d6c3a748 Commit DCMCP transcription as of 2013-01-24; fix stack adjustment for Processor MKS syllable; implement BIC display in SyllableDebugger. 2013-01-24 17:40:19 +00:00
paul
6df7a312de Commit DCMCP transcription as of 2013-01-21.
Debug ISO, TRB, FCE, FCL syllables in Processor.
2013-01-21 14:15:03 +00:00
paul
5c99019b0a Implement initial B5500DiskUnit and fix miscelleaneous other minor issues in I/O subsystem. 2013-01-21 01:02:02 +00:00
paul
1959547adc Further debugging of B5500Processor; implement individual memory access routines based on the registers used. 2013-01-14 03:22:13 +00:00
paul
8d602643dc Commit DCMCP transcription as of 2012-12-28; debug SPO input and several Processor syllables. 2012-12-29 01:17:16 +00:00
paul
b7f3ca6623 Commit DCMCP transcription as of 2012-12-24; first successful test of I/O subsystem -- write to SPO using IIO syllable and I/O Descriptor. 2012-12-25 03:24:12 +00:00
paul
571fab03fe Initial integration of B5500SPOUnit with B5500IOUnit, et al. 2012-12-24 02:29:19 +00:00
paul
9912e348d4 Commit DCMCP transcription as of 2012-12-21; further development of SPO UI and B5500 I/O. 2012-12-22 11:46:41 +00:00
paul
c578ebe19c Commit DCMCP transcription as of 2012-12-13; add BCLANSI translation in B5500IOUnit and improve group-mark processing. 2012-12-13 19:40:52 +00:00
paul
49d280ca02 Commit DCMCP transcription as of 2012-12-12; corrections to address overflow logic in B5500IOUnit. 2012-12-12 16:16:19 +00:00
paul
37b41cb0fb Continue initial I/O Unit development. 2012-12-10 00:57:17 +00:00
paul
a55a6779ab Commit initial I/O Unit development. 2012-12-09 04:18:40 +00:00
paul
52954a5da6 Commit DCMCP transcription as of 2012-12-06. 2012-12-06 15:24:35 +00:00
paul
0f1802b678 Implement initial B5500SyllableDebugger.html testbed. 2012-11-26 03:23:43 +00:00
paul
384029e18e Commit DCMCP transcription as of 2012-11-24; Processor doublePrecisionAdd and normalization/rounding improvements to singlePrecisionAdd. 2012-11-25 01:08:04 +00:00
paul
e235d59a79 Commit DCMCP transcription as of 2012-11-22; Processor IIO and miscellaneous improvements. 2012-11-23 03:39:59 +00:00
paul
355363ca75 Commit word-mode compare ops and miscellaneous improvements in Processor. 2012-11-18 22:40:43 +00:00
paul
465808dcc6 Commit single-precision divide ops in Processor as of 2012-11-17; commit Sid McHarg's MarkVIII .bcd files. 2012-11-18 17:47:47 +00:00
paul
e7859e8523 Commit DCMCP transcription as of 2012-11-12; commit minor changes to B5500Processor arithmetics. 2012-11-12 16:05:53 +00:00
paul
a28ba1b642 Commit initial singlePrecisionMultiply() and webUI/B5500TestArithmetics.html implementations; corrections to singlePrecisionAdd(). 2012-11-12 02:21:51 +00:00
paul
f0c9ba7346 Finish coding Character Mode ops and start on single-precision Add/Subtract. 2012-11-11 02:46:36 +00:00
paul
3e3fba93cc Commit changes to Nigel's bitwise operators; commit extracted code files from Sid McHarg's SYSTEM tape image. 2012-11-10 05:45:46 +00:00
paul
7062468a16 Clean up syntax and Content-Type issues in emulator/ and webUI/ before committing to Assembla. 2012-11-10 01:59:51 +00:00
paul
6ca58b94e7 Commit additional stream operators in B5500Processor. 2012-11-05 04:15:40 +00:00
paul
0f741bf771 Commit stream compare, field add, and jump operators in B5500Processor. 2012-11-04 01:10:13 +00:00
paul
d47634f40e Commit DCMCP transcription as of 2012-10-29; replace powers-of-two
tables in CentralControl.
2012-10-29 14:28:33 +00:00
paul
a0ecf6534f Commit multi-window version of B5500LibMaintExtract.html and initial
set of files converted from Mark VIII tape .bcd files.
2012-10-27 22:07:28 +00:00
paul
feb65345be Commit DCMCP transcription as of 2012-10-22; commit initial version
of B5500LibMaintDecoder.
2012-10-22 14:44:18 +00:00
paul
49d36dfab8 Commit DCMCP transcription as of 2012-10-06; debug cc.loadTest(),
cc.runTest(); fix stack adjustment problem in Processor and 
interrupt prioritization bug in CentralControl.
2012-10-07 01:14:57 +00:00
paul
aa8a6c8cc1 Commit DCMCP transcription as of 2012-10-01; rename KERNAL to
KERNEL.
2012-10-01 23:36:34 +00:00
paul
155589f383 Commit DCMCP transcription as of 2012-09-30; move test loader code
into B5500CentralControl module; eliminate "cc" as a global variable 
within emulator.
2012-09-30 21:39:03 +00:00