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Rewritten 808x CPU emulation core based on reenigne's XTCE, VisiOn, SnatchIt, and 8088 MPH now work correctly;

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Fixed PC speaker sound volume in PIT mode 0;
A few CPU emulation clean-ups;
Hard disk controller changing redone in a less messy way;
Re-added the long-missing key send delay handling to the XT keyboard handler;
Fixed a bug that was causing SLiRP not to work when compiled with MingW/GCC 7.3.0-2 or newer;
Some serial mouse and port fixes;
A lot of changes to printer emulation, mostly based on DOSBox-X;
Printer PNG writer now uses statically linked libpng;
Added support for the HxC MFM floppy image format and upped 86F format version to 2.12;
Ported various things from PCem and some from VARCem;
Added the S3 86c801/805 emulation (patch from TheCollector1995);
Fixed and renamed the EGA monitor options;
Better synchronized the 808x to the PIT and the CGA;
Fixed the CGA wait state calculation;
Cleaned up some things in mem.c;
Fixed some things in the floppy emulation to make VisiOn get the correct errors from the copy protection disk;
Fixed several renderer-related bugs, including the SDL2 renderer's failure to take screenshots;
The Jenkins builds are now compiled with MingW/GCC 7.4.0-1 and include all the required DLL's.
This commit is contained in:
OBattler
2019-02-06 03:34:39 +01:00
parent c91b1f2b8e
commit 46d0ed2baa
104 changed files with 7749 additions and 6608 deletions
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53
src/cpu/386.c
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@@ -27,53 +27,33 @@
extern int codegen_flags_changed;
extern int nmi_enable;
int cpl_override = 0, fpucount = 0;
int tempc, oldcpl, optype, inttype, oddeven = 0;
int use32, stack32;
int inscounts[256];
uint32_t oldpc2;
uint16_t flags, eflags;
uint16_t rds, ea_rseg;
uint16_t oldcs;
int trap;
uint16_t flags,eflags;
uint32_t oldds,oldss,olddslimit,oldsslimit,olddslimitw,oldsslimitw;
uint32_t oldds, oldss, olddslimit, oldsslimit,
olddslimitw, oldsslimitw;
uint32_t *eal_r, *eal_w;
uint32_t oxpc, cr2, cr3, cr4;
uint32_t dr[8];
uint32_t rmdat32;
uint32_t backupregs[16];
x86seg gdt,ldt,idt,tr;
x86seg _cs,_ds,_es,_ss,_fs,_gs;
x86seg _oldds;
extern int cpl_override;
extern int fpucount;
uint16_t rds;
uint16_t ea_rseg;
int cgate32;
uint32_t cr2, cr3, cr4;
uint32_t dr[8];
uint32_t rmdat32;
#define rmdat rmdat32
#define fetchdat rmdat32
uint32_t backupregs[16];
extern int oddeven;
int inttype;
uint32_t oldcs2;
uint32_t oldecx;
uint32_t *eal_r, *eal_w;
uint16_t *mod1add[2][8];
uint32_t *mod1seg[8];
#define fetch_ea_16(rmdat) cpu_state.pc++; cpu_mod=(rmdat >> 6) & 3; cpu_reg=(rmdat >> 3) & 7; cpu_rm = rmdat & 7; if (cpu_mod != 3) { fetch_ea_16_long(rmdat); if (cpu_state.abrt) return 0; }
#define fetch_ea_32(rmdat) cpu_state.pc++; cpu_mod=(rmdat >> 6) & 3; cpu_reg=(rmdat >> 3) & 7; cpu_rm = rmdat & 7; if (cpu_mod != 3) { fetch_ea_32_long(rmdat); } if (cpu_state.abrt) return 0
#include "x86_flags.h"
#define getbytef() ((uint8_t)(fetchdat)); cpu_state.pc++
@@ -149,11 +129,6 @@ void exec386(int cycs)
timer_start_period(cycles << TIMER_SHIFT);
while (cycdiff < cycle_period)
{
/* testr[0]=EAX; testr[1]=EBX; testr[2]=ECX; testr[3]=EDX;
testr[4]=ESI; testr[5]=EDI; testr[6]=EBP; testr[7]=ESP;*/
/* testr[8]=flags;*/
/* oldcs2=oldcs; */
/* oldpc2=oldpc; */
oldcs=CS;
cpu_state.oldpc = cpu_state.pc;
oldcpl=CPL;