Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-23 17:00:53 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

netlist: Timing bug fix. Affects regression tests. [Couriersud]

Browse Source 
This fixes a rounding issue in the ptime code. This bug surfaced when I
tested netlist with picosecond resolution in ptime.
This will have a small impact on every driver using netlist. For
breakout, it required to adjust the color overlay.
This commit is contained in:
couriersud 2019-03-29 19:44:50 +01:00
parent e4ff0d3322
commit 6d17870736
3 changed files with 67 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
nl_examples/cmos_inverter_clk.cpp Normal file
View File

@ -0,0 +1,63 @@
// license:GPL-2.0+
// copyright-holders:Couriersud
/*
* cmos_inverter_clk
*
*/
#include "netlist/devices/net_lib.h"
#include "netlist/analog/nld_twoterm.h"
#define USE_CLOCK (1)
NETLIST_START(cmos_inverter_clk)
/* Standard stuff */
//SOLVER(Solver, 480000)
SOLVER(Solver, 1e5)
//SOLVER(Solver, 100000000000)
PARAM(Solver.ACCURACY, 1e-7 )
PARAM(Solver.NR_LOOPS, 500000)
PARAM(Solver.DYNAMIC_TS, 1)
PARAM(Solver.DYNAMIC_LTE, 1e-5)
PARAM(Solver.DYNAMIC_MIN_TIMESTEP, 2e-8)
ANALOG_INPUT(V5, 5)
// CLOCK(clk, 0.5e6)
#if (USE_CLOCK)
CLOCK(V, 5000)
//CLOCK(V, 500000)
#else
VS(V, 5)
PARAM(V.FUNC, "T 5e6 *")
#endif
MOSFET(P, "PMOS(VTO=-0.5 GAMMA=0.5 TOX=20n)")
MOSFET(M, "NMOS(VTO=0.5 GAMMA=0.5 TOX=20n)")
RES(RG, 1)
NET_C(P.S, V5)
NET_C(P.D, M.D)
#if (USE_CLOCK)
NET_C(GND, M.S)
NET_C(V.Q, RG.1)
#else
NET_C(GND, M.S, V.N)
NET_C(V.P, RG.1)
#endif
NET_C(RG.2, M.G, P.G)
// capacitance over D - S
#if 0
CAP(C, CAP_N(1))
NET_C(M.D, C.1)
NET_C(M.S, C.2)
#endif
#if 0
LOG(log_G, M.G)
LOG(log_D, M.D)
LOGD(log_X, RG.1, RG.2)
#endif
NETLIST_END()

2
src/lib/netlist/plib/ptime.h
View File

@ -112,7 +112,7 @@ namespace plib
static constexpr ptime from_sec(const internal_type s) noexcept { return ptime(s, UINT64_C( 1)); }
static constexpr ptime from_hz(const internal_type hz) noexcept { return ptime(1 , hz); }
static constexpr ptime from_raw(const internal_type raw) noexcept { return ptime(raw); }
static constexpr ptime from_double(const double t) noexcept { return ptime(static_cast<internal_type>( t * static_cast<double>(RES)), RES); }
static constexpr ptime from_double(const double t) noexcept { return ptime(static_cast<internal_type>(t * static_cast<double>(RES) + 0.5), RES); }
static constexpr ptime zero() noexcept { return ptime(0, RES); }
static constexpr ptime quantum() noexcept { return ptime(1, RES); }

6
src/mame/layout/breakout.lay
View File

@ -22,15 +22,15 @@
<color red="1" green="1" blue="0.25" />
</rect>
<rect>
<bounds left="0" top="88" right="192" bottom="236" />
<bounds left="0" top="88" right="192" bottom="231" />
<color red="1" green="1" blue="1" />
</rect>
<rect>
<bounds left="0" top="236" right="192" bottom="244" />
<bounds left="0" top="231" right="192" bottom="238" />
<color red="0.125" green="0.125" blue="1" />
</rect>
<rect>
<bounds left="0" top="244" right="192" bottom="258" />
<bounds left="0" top="238" right="192" bottom="244" />
<color red="1" green="1" blue="1" />
</rect>
</element>