Added the IBM 5161 ISA expansion for PC and XT;

Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g  / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.

src/nvr.c

@@ -8,13 +8,13 @@
  *
  *		Implement a generic NVRAM/CMOS/RTC device.
  *
- * Version:	@(#)nvr.c	1.0.17	2018/11/02
+ * Version:	@(#)nvr.c	1.0.18	2019/03/16
  *
  * Authors:	Fred N. van Kempen, <decwiz@yahoo.com>,
  * 		David Hrdlička, <hrdlickadavid@outlook.com>
  *
- *		Copyright 2017,2018 Fred N. van Kempen.
- *		Copyright 2018 David Hrdlička.
+ *		Copyright 2017-2019 Fred N. van Kempen.
+ *		Copyright 2018,2019 David Hrdlička.
  *
  *		Redistribution and  use  in source  and binary forms, with
  *		or  without modification, are permitted  provided that the
@@ -156,7 +156,7 @@ onesec_timer(void *priv)
 	nvr->onesec_cnt = 0;
     }
 
-    nvr->onesec_time += (int64_t)(10000 * TIMER_USEC);
+    timer_advance_u64(&nvr->onesec_time, (10000ULL * TIMER_USEC));
 }
 
 
@@ -194,7 +194,7 @@ nvr_init(nvr_t *nvr)
     }
 
     /* Set up our timer. */
-    timer_add(onesec_timer, &nvr->onesec_time, TIMER_ALWAYS_ENABLED, nvr);
+    timer_add(&nvr->onesec_time, onesec_timer, nvr, 1);
 
     /* It does not need saving yet. */
     nvr_dosave = 0;
@@ -316,13 +316,9 @@ nvr_save(void)
 
 
 void
-nvr_period_recalc(void)
+nvr_close(void)
 {
-    /* Make sure we have been initialized. */
-    if (saved_nvr == NULL) return;
-
-    if ((saved_nvr->size != 0) && saved_nvr->recalc)
-	saved_nvr->recalc(saved_nvr);
+    saved_nvr = NULL;
 }