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ngspice
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3562 Commits

Author SHA1 Message Date
Brian Taylor c7b7d14dd6 More conservative delay estimates for timing model type ugff. 2022-12-11 16:08:02 +01:00
Brian Taylor 2dc44d8079 For dff/jkff, obtain more conservative estimates for clk_delay, set_delay and reset_delay. 2022-12-11 16:07:33 +01:00
Holger Vogt d2833ac133 re-enable making old app nutmeg 2022-12-08 09:26:15 +01:00
Brian Taylor 5238d6f18a Rewrite extract_model_param. 2022-12-04 10:39:47 +01:00
Brian Taylor a317639d23 Modify the delay calculation for non-conforming timing model in .subckt CD4572UB. 2022-12-04 10:39:40 +01:00
Holger Vogt ec0807bafd For monotonic plotting find out the majority of increasing or decreasing 
x-axis values, add a warning to add 'retraceplot' to plot all if more than
10% of the values deviate from the majority.
 2022-12-04 10:35:44 +01:00
Holger Vogt 012ec72b0d Prevent seg fault after strange input like 
*no circuit
.save all
.probe alli
.op
.end
 2022-12-01 23:17:11 +01:00
Pascal Kuthe 098ec89294 fix sigfault on older c compilers 2022-11-29 13:28:32 +01:00
Giles Atkinson b124749122 Fix warnings from gcc 10.2.1. 2022-11-28 22:34:23 +01:00
Brian Taylor 1a69765685 Added xor/xnor for logicexp timing models. 2022-11-28 22:33:05 +01:00
Brian Taylor 44c69f5bf5 Handle cases where logicexp has a timing model but no pindly. This is rare, only 22 tests from the digital libraries. Move digital examples, add missing .spiceint file. 2022-11-28 22:33:00 +01:00
Holger Vogt d763b39ec3 Add a new compatibility mode xs (for XSPICE) 2022-11-24 14:43:16 +01:00
Holger Vogt f2be3d681d Allow resetting the limit for warning mesaages, when a new run is started. 2022-11-20 15:07:46 +01:00
Brian Taylor 2ec9e6a38e Add more debug instrumentation. 2022-11-18 14:41:25 +01:00
Brian Taylor b31b4759e6 Use tilde '~' inputs instead of creating inverters. 2022-11-18 14:41:08 +01:00
Holger Vogt ef86fcd6bd Remove mentioning line number 0, which has been incomprehensible. 2022-11-18 14:38:29 +01:00
Holger Vogt 8e5c76d8b3 Add error messages when controlled_exit is called: 
No exit without message.
 2022-11-16 11:37:35 +01:00
Holger Vogt eff183f51e Add new functions for operators x**y or x^y 
compatmode hs: x>0 pow(x, y), x<0 pow(x, round(y)), X=0 0
compatmode lt: x>0 pow(x, y), x<0 pow(x, y) if y is close to integer, else 0
 2022-11-12 14:35:01 +01:00
Brian Taylor b147aa0c3a Add safety braces. 2022-11-11 14:13:36 +01:00
Brian Taylor e770d96151 Tidy up debug tracing code. 2022-11-11 14:13:28 +01:00
Brian Taylor cd72c7960b Fix memory leaks. 2022-11-11 14:13:22 +01:00
Brian Taylor b0e9874de8 Add more vectors to behavioral 283 circuit. Add tristate buffer circuit which shows glitches until inertial delays are implemented. 2022-11-11 14:13:03 +01:00
Brian Taylor a922f797d3 When the gen_tab has only one entry, do not call optimize_gen_tab, it is not necessary. 2022-11-11 14:12:54 +01:00
Brian Taylor 574737b7b6 Check that the bparse gen_tab optimization loop finishes when no more improvements occur. 2022-11-11 14:12:47 +01:00
Brian Taylor 104afe77cb Remove asserts, replace fixed size lexer_buf. 2022-11-07 14:47:57 +01:00
Brian Taylor d05689eed8 Add pindly tristate example. Cleanup error handling. 2022-11-07 14:47:36 +01:00
Brian Taylor f6386bda0c Remove most asserts. 2022-11-07 14:47:29 +01:00
Brian Taylor 1200092250 Add behavioral (LOGICEXP, PINDLY) test for 283 circuit. There are glitches in the simulation for some of the s* outputs. Probably due to not having inertial delays. And why not set 'zero' delays as close to zero as permitted by XSPICE. 2022-11-07 14:47:18 +01:00
Brian Taylor ab7634e72e Reduce the delays of 'zero' delay gates to 1.0e-11. Add decoder test for logicexpr and pindly. 2022-11-07 14:47:13 +01:00
Brian Taylor 77d56eb184 Fix a typo, add more comments. 2022-11-07 14:47:02 +01:00
Brian Taylor 7e4b10a9db Add support for TRISTATE: in PINDLY. 2022-11-07 14:46:53 +01:00
Brian Taylor 50e3c7eadd Fix potential memory leak, clean out debug code. 2022-11-07 14:46:48 +01:00
Brian Taylor 3bdb6ee151 Better estimates of rise/fall delays in PINDLYs with outputs separated by CASE. 2022-11-07 14:46:34 +01:00
Brian Taylor 5717b2b2fc Fix visualc compiler warnings. 2022-11-07 14:46:27 +01:00
Brian Taylor 629010b1cb Improve delay estimates for pindly output buffers. 2022-11-07 14:46:14 +01:00
Brian Taylor 3eb0a089e5 Initial handling of PINDLY. Output buffers without rise/fall delay estimates. 2022-11-07 14:46:04 +01:00
Brian Taylor 9d239dc2f7 Move f_logicexp, f_pindly calls to u_process_instance. Use u_add_instance to copy gate instances and models to the replacement cards. 2022-11-07 14:45:57 +01:00
Brian Taylor a27ae48e27 Fix potential memory leak. 2022-11-07 14:45:51 +01:00
Brian Taylor 67369f1c67 Initial logicexp parser and gate generator. 2022-11-07 14:45:45 +01:00
Brian Taylor db81d7ca28 Add drive 0/1 for $d_lo/$d_hi. 2022-11-07 14:45:33 +01:00
Holger Vogt ce2e95f32d Fix typo 2022-10-26 16:23:36 +02:00
Holger Vogt 39316ea3c6 Function ngSpice_Circ() may send empty lines to shared ngspice. 
Skip these lines while processing the netlist array.
 2022-10-26 16:23:00 +02:00
Holger Vogt 6b0ba58e42 Fix bug 590, but only for GUI with MS Windows. 
X11 for Cygwin, Linux is not yet o.k.
 2022-10-17 20:27:15 +02:00
Giles Atkinson eb353ee2f7 Fix XSPICE's node prefix '~' when PSPICE compatability is used. 2022-10-12 20:52:15 +02:00
Holger Vogt d24b405bfb Add some comment 2022-10-12 12:23:36 +02:00
Brian Taylor ff58fbbe56 Remove VisualC compile warnings. 2022-10-09 10:15:14 +02:00
Holger Vogt dcb3bf0f8b Prevent Visual Studio compiler warnings 2022-10-08 17:20:48 +02:00
Holger Vogt 69bb426cdb send error message to stderr, not to stdout 2022-10-07 11:24:04 +02:00
Holger Vogt 8d86aa84d8 Remove parameter noiseless in simple diode model. 
The model is noiseless anyway.
 2022-09-29 16:05:30 +02:00
Brian Taylor 21f62db206 Remove unnecessary hierarchical level check. 2022-09-24 11:57:18 +02:00