552a87ea3d
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.
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
#include <stdarg.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <wchar.h>
|
|
#define fplog 0
|
|
#include <math.h>
|
|
#define HAVE_STDARG_H
|
|
#include "../86box.h"
|
|
#include "cpu.h"
|
|
#include "../mem.h"
|
|
#include "../pic.h"
|
|
#include "x86.h"
|
|
#include "x86_flags.h"
|
|
#include "x86_ops.h"
|
|
#include "x87.h"
|
|
#include "386_common.h"
|
|
|
|
|
|
#ifdef ENABLE_FPU_LOG
|
|
int fpu_do_log = ENABLE_FPU_LOG;
|
|
|
|
|
|
static void
|
|
fpu_log(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
if (fpu_log) {
|
|
va_start(ap, fmt);
|
|
pclog_ex(fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
}
|
|
#else
|
|
#define fpu_log(fmt, ...)
|
|
#endif
|
|
|
|
|
|
#define X87_TAG_VALID 0
|
|
#define X87_TAG_ZERO 1
|
|
#define X87_TAG_INVALID 2
|
|
#define X87_TAG_EMPTY 3
|
|
|
|
uint16_t x87_gettag()
|
|
{
|
|
uint16_t ret = 0;
|
|
int c;
|
|
|
|
for (c = 0; c < 8; c++)
|
|
{
|
|
if (cpu_state.tag[c] == TAG_EMPTY)
|
|
ret |= X87_TAG_EMPTY << (c * 2);
|
|
else if (cpu_state.tag[c] & TAG_UINT64)
|
|
ret |= 2 << (c*2);
|
|
else if (cpu_state.ST[c] == 0.0 && !cpu_state.ismmx)
|
|
ret |= X87_TAG_ZERO << (c * 2);
|
|
else
|
|
ret |= X87_TAG_VALID << (c * 2);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void x87_settag(uint16_t new_tag)
|
|
{
|
|
int c;
|
|
|
|
for (c = 0; c < 8; c++)
|
|
{
|
|
int tag = (new_tag >> (c * 2)) & 3;
|
|
|
|
if (tag == X87_TAG_EMPTY)
|
|
cpu_state.tag[c] = TAG_EMPTY;
|
|
else if (tag == 2)
|
|
cpu_state.tag[c] = TAG_VALID | TAG_UINT64;
|
|
else
|
|
cpu_state.tag[c] = TAG_VALID;
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef ENABLE_808X_LOG
|
|
void x87_dumpregs()
|
|
{
|
|
if (cpu_state.ismmx)
|
|
{
|
|
fpu_log("MM0=%016llX\tMM1=%016llX\tMM2=%016llX\tMM3=%016llX\n", cpu_state.MM[0].q, cpu_state.MM[1].q, cpu_state.MM[2].q, cpu_state.MM[3].q);
|
|
fpu_log("MM4=%016llX\tMM5=%016llX\tMM6=%016llX\tMM7=%016llX\n", cpu_state.MM[4].q, cpu_state.MM[5].q, cpu_state.MM[6].q, cpu_state.MM[7].q);
|
|
}
|
|
else
|
|
{
|
|
fpu_log("ST(0)=%f\tST(1)=%f\tST(2)=%f\tST(3)=%f\t\n",cpu_state.ST[cpu_state.TOP],cpu_state.ST[(cpu_state.TOP+1)&7],cpu_state.ST[(cpu_state.TOP+2)&7],cpu_state.ST[(cpu_state.TOP+3)&7]);
|
|
fpu_log("ST(4)=%f\tST(5)=%f\tST(6)=%f\tST(7)=%f\t\n",cpu_state.ST[(cpu_state.TOP+4)&7],cpu_state.ST[(cpu_state.TOP+5)&7],cpu_state.ST[(cpu_state.TOP+6)&7],cpu_state.ST[(cpu_state.TOP+7)&7]);
|
|
}
|
|
fpu_log("Status = %04X Control = %04X Tag = %04X\n", cpu_state.npxs, cpu_state.npxc, x87_gettag());
|
|
}
|
|
#endif
|