diff --git a/subsystems/ntvdm/emulator.c b/subsystems/ntvdm/emulator.c index 18dc95750f9..33441a356b4 100644 --- a/subsystems/ntvdm/emulator.c +++ b/subsystems/ntvdm/emulator.c @@ -24,7 +24,7 @@ softx86_ctx EmulatorContext; softx87_ctx FpuEmulatorContext; #else -EMULATOR_CONTEXT EmulatorContext; +SOFT386_STATE EmulatorContext; #endif static BOOLEAN A20Line = FALSE; @@ -241,8 +241,8 @@ static VOID EmulatorBop(WORD Code) StackSegment = EmulatorContext.state->segment_reg[SX86_SREG_SS].val; StackPointer = EmulatorContext.state->general_reg[SX86_REG_SP].val; #else - StackSegment = EmulatorContext.Registers[EMULATOR_REG_SS].LowWord; - StackPointer = EmulatorContext.Registers[EMULATOR_REG_SP].LowWord; + StackSegment = EmulatorContext.SegmentRegs[SOFT386_REG_SS].LowWord; + StackPointer = EmulatorContext.SegmentRegs[SOFT386_REG_SP].LowWord; #endif /* Get the stack */ @@ -475,7 +475,14 @@ ULONG EmulatorGetRegister(ULONG Register) return EmulatorContext.state->segment_reg[Register - EMULATOR_REG_ES].val; } #else - return EmulatorContext.Registers[Register].Long; + if (Register < EMULATOR_REG_ES) + { + return EmulatorContext.GeneralRegs[Register].Long; + } + else + { + return EmulatorContext.SegmentRegs[Register - EMULATOR_REG_ES].Selector; + } #endif } @@ -484,7 +491,7 @@ ULONG EmulatorGetProgramCounter(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->reg_ip; #else - return EmulatorContext.InstructionPointer.Long; + return EmulatorContext.InstPtr.Long; #endif } diff --git a/subsystems/ntvdm/emulator.h b/subsystems/ntvdm/emulator.h index 8dd85f7b45a..427c520ffcf 100644 --- a/subsystems/ntvdm/emulator.h +++ b/subsystems/ntvdm/emulator.h @@ -14,8 +14,10 @@ #include "ntvdm.h" #ifndef NEW_EMULATOR -#include -#include +#include +#include +#else +#include #endif /* DEFINES ********************************************************************/ @@ -38,38 +40,7 @@ #define EMULATOR_FLAG_VIP (1 << 20) #define EMULATOR_FLAG_ID (1 << 21) -/* CR0 */ -#define EMULATOR_CR0_PE (1 << 0) -#define EMULATOR_CR0_MP (1 << 1) -#define EMULATOR_CR0_EM (1 << 2) -#define EMULATOR_CR0_TS (1 << 3) -#define EMULATOR_CR0_ET (1 << 4) -#define EMULATOR_CR0_NE (1 << 5) -#define EMULATOR_CR0_WP (1 << 16) -#define EMULATOR_CR0_AM (1 << 18) -#define EMULATOR_CR0_NW (1 << 29) -#define EMULATOR_CR0_CD (1 << 30) -#define EMULATOR_CR0_PG (1 << 31) - -/* GDT Access byte */ -#define GDT_SEG_ACCESSED (1 << 0) -#define GDT_DATA_WRITEABLE (1 << 1) -#define GDT_CODE_READABLE (1 << 1) -#define GDT_CONFORMING (1 << 2) -#define GDT_DIRECTION (1 << 2) -#define GDT_CODE_SEGMENT (1 << 3) -#define GDT_PRESENT (1 << 7) - -/* GDT flags */ -#define GDT_32BIT_SEGMENT (1 << 2) -#define GDT_PAGE_GRANULARITY (1 << 3) - /* Common definitions */ -#define EMULATOR_NUM_GENERAL_REGS 8 -#define EMULATOR_NUM_SEGMENT_REGS 6 -#define EMULATOR_NUM_CONTROL_REGS 8 -#define EMULATOR_NUM_DEBUG_REGS 8 -#define MAX_GDT_ENTRIES 8192 #define EMULATOR_BOP 0xC4C4 #define EMULATOR_INT_BOP 0xBEEF #define STACK_INT_NUM 0 @@ -114,65 +85,11 @@ enum EMULATOR_REG_GS }; -typedef union -{ - struct - { - BYTE LowByte; - BYTE HighByte; - }; - WORD LowWord; - DWORD Long; -} EMULATOR_REGISTER, *PEMULATOR_REGISTER; - -typedef struct -{ - ULONG Limit : 16; - ULONG Base : 24; - ULONG AccessByte : 8; - ULONG LimitHigh : 4; - ULONG Flags : 4; - ULONG BaseHigh : 8; -} EMULATOR_GDT_ENTRY; - -typedef struct -{ - ULONG Offset : 16; - ULONG Selector : 16; - ULONG Zero : 8; - ULONG TypeAndAttributes : 8; - ULONG OffsetHigh : 16; -} EMULATOR_IDT_ENTRY; - -typedef struct -{ - WORD Size; - DWORD Address; -} EMULATOR_TABLE_REGISTER; - -typedef struct -{ - EMULATOR_REGISTER Registers[EMULATOR_NUM_GENERAL_REGS - + EMULATOR_NUM_SEGMENT_REGS]; - EMULATOR_REGISTER Flags; - EMULATOR_REGISTER InstructionPointer; - EMULATOR_REGISTER ControlRegisters[EMULATOR_NUM_CONTROL_REGS]; - EMULATOR_REGISTER DebugRegisters[EMULATOR_NUM_DEBUG_REGS]; - ULONGLONG TimeStampCounter; - BOOLEAN OperandSizeOverload; - BOOLEAN AddressSizeOverload; - EMULATOR_TABLE_REGISTER Gdtr, Idtr; - EMULATOR_GDT_ENTRY CachedDescriptors[EMULATOR_NUM_SEGMENT_REGS]; - UINT ExceptionCount; -} EMULATOR_CONTEXT, *PEMULATOR_CONTEXT; - -typedef VOID (*EMULATOR_OPCODE_HANDLER)(PEMULATOR_CONTEXT Context, BYTE Opcode); - #ifndef NEW_EMULATOR extern softx86_ctx EmulatorContext; extern softx87_ctx FpuEmulatorContext; #else -extern EMULATOR_CONTEXT EmulatorContext; +extern SOFT386_STATE EmulatorContext; #endif /* FUNCTIONS ******************************************************************/ diff --git a/subsystems/ntvdm/registers.c b/subsystems/ntvdm/registers.c index c56a68312bc..3eeb1142181 100644 --- a/subsystems/ntvdm/registers.c +++ b/subsystems/ntvdm/registers.c @@ -21,7 +21,7 @@ getEAX(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_AX].val; #else - return EmulatorContext.Registers[EMULATOR_REG_AX].Long; + return EmulatorContext.GeneralRegs[EMULATOR_REG_AX].Long; #endif } @@ -32,7 +32,7 @@ setEAX(ULONG Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_AX].val = Value; #else - EmulatorContext.Registers[EMULATOR_REG_AX].Long = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_AX].Long = Value; #endif } @@ -43,7 +43,7 @@ getAX(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_AX].w.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_AX].LowWord; + return EmulatorContext.GeneralRegs[EMULATOR_REG_AX].LowWord; #endif } @@ -54,7 +54,7 @@ setAX(USHORT Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_AX].w.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_AX].LowWord = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_AX].LowWord = Value; #endif } @@ -65,7 +65,7 @@ getAH(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_AX].b.hi; #else - return EmulatorContext.Registers[EMULATOR_REG_AX].HighByte; + return EmulatorContext.GeneralRegs[EMULATOR_REG_AX].HighByte; #endif } @@ -76,7 +76,7 @@ setAH(UCHAR Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_AX].b.hi = Value; #else - EmulatorContext.Registers[EMULATOR_REG_AX].HighByte = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_AX].HighByte = Value; #endif } @@ -87,7 +87,7 @@ getAL(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_AX].b.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_AX].LowByte; + return EmulatorContext.GeneralRegs[EMULATOR_REG_AX].LowByte; #endif } @@ -98,7 +98,7 @@ setAL(UCHAR Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_AX].b.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_AX].LowByte = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_AX].LowByte = Value; #endif } @@ -109,7 +109,7 @@ getEBX(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_BX].val; #else - return EmulatorContext.Registers[EMULATOR_REG_BX].Long; + return EmulatorContext.GeneralRegs[EMULATOR_REG_BX].Long; #endif } @@ -120,7 +120,7 @@ setEBX(ULONG Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_BX].val = Value; #else - EmulatorContext.Registers[EMULATOR_REG_BX].Long = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_BX].Long = Value; #endif } @@ -131,7 +131,7 @@ getBX(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_BX].w.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_BX].LowWord; + return EmulatorContext.GeneralRegs[EMULATOR_REG_BX].LowWord; #endif } @@ -142,7 +142,7 @@ setBX(USHORT Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_BX].w.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_BX].LowWord = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_BX].LowWord = Value; #endif } @@ -153,7 +153,7 @@ getBH(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_BX].b.hi; #else - return EmulatorContext.Registers[EMULATOR_REG_BX].HighByte; + return EmulatorContext.GeneralRegs[EMULATOR_REG_BX].HighByte; #endif } @@ -164,7 +164,7 @@ setBH(UCHAR Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_BX].b.hi = Value; #else - EmulatorContext.Registers[EMULATOR_REG_BX].HighByte = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_BX].HighByte = Value; #endif } @@ -175,7 +175,7 @@ getBL(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_BX].b.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_BX].LowByte; + return EmulatorContext.GeneralRegs[EMULATOR_REG_BX].LowByte; #endif } @@ -186,7 +186,7 @@ setBL(UCHAR Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_BX].b.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_BX].LowByte = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_BX].LowByte = Value; #endif } @@ -199,7 +199,7 @@ getECX(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_CX].val; #else - return EmulatorContext.Registers[EMULATOR_REG_CX].Long; + return EmulatorContext.GeneralRegs[EMULATOR_REG_CX].Long; #endif } @@ -210,7 +210,7 @@ setECX(ULONG Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_CX].val = Value; #else - EmulatorContext.Registers[EMULATOR_REG_CX].Long = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_CX].Long = Value; #endif } @@ -221,7 +221,7 @@ getCX(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_CX].w.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_CX].LowWord; + return EmulatorContext.GeneralRegs[EMULATOR_REG_CX].LowWord; #endif } @@ -232,7 +232,7 @@ setCX(USHORT Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_CX].w.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_CX].LowWord = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_CX].LowWord = Value; #endif } @@ -243,7 +243,7 @@ getCH(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_CX].b.hi; #else - return EmulatorContext.Registers[EMULATOR_REG_CX].HighByte; + return EmulatorContext.GeneralRegs[EMULATOR_REG_CX].HighByte; #endif } @@ -254,7 +254,7 @@ setCH(UCHAR Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_CX].b.hi = Value; #else - EmulatorContext.Registers[EMULATOR_REG_CX].HighByte = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_CX].HighByte = Value; #endif } @@ -265,7 +265,7 @@ getCL(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_CX].b.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_CX].LowByte; + return EmulatorContext.GeneralRegs[EMULATOR_REG_CX].LowByte; #endif } @@ -276,7 +276,7 @@ setCL(UCHAR Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_CX].b.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_CX].LowByte = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_CX].LowByte = Value; #endif } @@ -289,7 +289,7 @@ getEDX(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_DX].val; #else - return EmulatorContext.Registers[EMULATOR_REG_DX].Long; + return EmulatorContext.GeneralRegs[EMULATOR_REG_DX].Long; #endif } @@ -300,7 +300,7 @@ setEDX(ULONG Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_DX].val = Value; #else - EmulatorContext.Registers[EMULATOR_REG_DX].Long = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_DX].Long = Value; #endif } @@ -311,7 +311,7 @@ getDX(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_DX].w.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_DX].LowWord; + return EmulatorContext.GeneralRegs[EMULATOR_REG_DX].LowWord; #endif } @@ -322,7 +322,7 @@ setDX(USHORT Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_DX].w.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_DX].LowWord = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_DX].LowWord = Value; #endif } @@ -333,7 +333,7 @@ getDH(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_DX].b.hi; #else - return EmulatorContext.Registers[EMULATOR_REG_DX].HighByte; + return EmulatorContext.GeneralRegs[EMULATOR_REG_DX].HighByte; #endif } @@ -344,7 +344,7 @@ setDH(UCHAR Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_DX].b.hi = Value; #else - EmulatorContext.Registers[EMULATOR_REG_DX].HighByte = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_DX].HighByte = Value; #endif } @@ -355,7 +355,7 @@ getDL(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_DX].b.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_DX].LowByte; + return EmulatorContext.GeneralRegs[EMULATOR_REG_DX].LowByte; #endif } @@ -366,7 +366,7 @@ setDL(UCHAR Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_DX].b.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_DX].LowByte = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_DX].LowByte = Value; #endif } @@ -409,7 +409,7 @@ getEBP(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_BP].val; #else - return EmulatorContext.Registers[EMULATOR_REG_BP].Long; + return EmulatorContext.GeneralRegs[EMULATOR_REG_BP].Long; #endif } @@ -420,7 +420,7 @@ setEBP(ULONG Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_BP].val = Value; #else - EmulatorContext.Registers[EMULATOR_REG_BP].Long = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_BP].Long = Value; #endif } @@ -431,7 +431,7 @@ getBP(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_BP].w.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_BP].LowWord; + return EmulatorContext.GeneralRegs[EMULATOR_REG_BP].LowWord; #endif } @@ -442,7 +442,7 @@ setBP(USHORT Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_BP].w.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_BP].LowWord = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_BP].LowWord = Value; #endif } @@ -455,7 +455,7 @@ getESI(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_SI].val; #else - return EmulatorContext.Registers[EMULATOR_REG_SI].Long; + return EmulatorContext.GeneralRegs[EMULATOR_REG_SI].Long; #endif } @@ -466,7 +466,7 @@ setESI(ULONG Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_SI].val = Value; #else - EmulatorContext.Registers[EMULATOR_REG_SI].Long = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_SI].Long = Value; #endif } @@ -477,7 +477,7 @@ getSI(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_SI].w.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_SI].LowWord; + return EmulatorContext.GeneralRegs[EMULATOR_REG_SI].LowWord; #endif } @@ -488,7 +488,7 @@ setSI(USHORT Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_SI].w.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_SI].LowWord = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_SI].LowWord = Value; #endif } @@ -501,7 +501,7 @@ getEDI(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_DI].val; #else - return EmulatorContext.Registers[EMULATOR_REG_DI].Long; + return EmulatorContext.GeneralRegs[EMULATOR_REG_DI].Long; #endif } @@ -512,7 +512,7 @@ setEDI(ULONG Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_DI].val = Value; #else - EmulatorContext.Registers[EMULATOR_REG_DI].Long = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_DI].Long = Value; #endif } @@ -523,7 +523,7 @@ getDI(VOID) #ifndef NEW_EMULATOR return EmulatorContext.state->general_reg[EMULATOR_REG_DI].w.lo; #else - return EmulatorContext.Registers[EMULATOR_REG_DI].LowWord; + return EmulatorContext.GeneralRegs[EMULATOR_REG_DI].LowWord; #endif } @@ -534,7 +534,7 @@ setDI(USHORT Value) #ifndef NEW_EMULATOR EmulatorContext.state->general_reg[EMULATOR_REG_DI].w.lo = Value; #else - EmulatorContext.Registers[EMULATOR_REG_DI].LowWord = Value; + EmulatorContext.GeneralRegs[EMULATOR_REG_DI].LowWord = Value; #endif }