np2/i286x/i286x.cpp - diff

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Diff for /np2/i286x/i286x.cpp between versions 1.1.1.1 and 1.26

version 1.1.1.1, 2003/10/16 17:57:25	version 1.26, 2005/03/24 02:21:21
Line 1	Line 1
#include "compiler.h"	#include "compiler.h"
#include "i286.h"	#include "cpucore.h"
#include "i286x.h"	#include "i286x.h"
#include "i286xadr.h"	#include "i286xadr.h"
#include "i286xs.h"	#include "i286xs.h"
#include "i286xrep.h"	#include "i286xrep.h"
#include "i286xcts.h"	#include "i286xcts.h"
#include "memory.h"
#include "pccore.h"	#include "pccore.h"
#include "iocore.h"	#include "iocore.h"
#include "i286x.mcr"	#include "i286x.mcr"
#include "i286xea.mcr"	#include "i286xea.mcr"
#include "v30patch.h"	#include "v30patch.h"
#include "bios.h"	#include "bios.h"
#include "dmap.h"	#include "dmax86.h"
	#if defined(ENABLE_TRAP)
	#include "steptrap.h"
	#include "inttrap.h"
	#endif


I286REGS i286r;	I286CORE i286core;
I286STAT i286s;
I286DTR GDTR;
I286DTR IDTR;
UINT16 MSW;

const BYTE iflags[256] = { // Z_FLAG, S_FLAG, P_FLAG	const UINT8 iflags[256] = { // Z_FLAG, S_FLAG, P_FLAG
0x44, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00,	0x44, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00,
0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,	0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,
0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,	0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,
Line 56 const BYTE iflags[256] = { // Z_FLAG	Line 55 const BYTE iflags[256] = { // Z_FLAG
0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84};	0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84};


void i286_reset(void) {	void i286x_initialize(void) {

	i286xadr_init();
	v30xinit();
	}

	void i286x_deinitialize(void) {

	if (CPU_EXTMEM) {
	_MFREE(CPU_EXTMEM);
	CPU_EXTMEM = NULL;
	CPU_EXTMEMSIZE = 0;
	}
	}

	static void i286x_initreg(void) {

	I286_CS = 0xf000;
	CS_BASE = 0xf0000;
	I286_IP = 0xfff0;
	i286core.s.adrsmask = 0xfffff;
	i286x_resetprefetch();
	}

	void i286x_reset(void) {

	ZeroMemory(&i286core.s, sizeof(i286core.s));
	i286x_initreg();
	}

	void i286x_shut(void) {

	ZeroMemory(&i286core.s, offsetof(I286STAT, cpu_type));
	i286x_initreg();
	}

	void i286x_setextsize(UINT32 size) {

	if (CPU_EXTMEMSIZE != size) {
	if (CPU_EXTMEM) {
	_MFREE(CPU_EXTMEM);
	CPU_EXTMEM = NULL;
	}
	if (size) {
	CPU_EXTMEM = (UINT8 *)_MALLOC(size + 16, "EXTMEM");
	if (CPU_EXTMEM == NULL) {
	size = 0;
	}
	}
	CPU_EXTMEMSIZE = size;
	}
	i286core.e.ems[0] = mem + 0xc0000;
	i286core.e.ems[1] = mem + 0xc4000;
	i286core.e.ems[2] = mem + 0xc8000;
	i286core.e.ems[3] = mem + 0xcc000;
	}

	void i286x_setemm(UINT frame, UINT32 addr) {

	UINT8 *ptr;

i286xadr_init(); // ��̤��ΤϤɤ��	frame &= 3;
v30init(); // ��̤��ΤϤɤ��	if (addr < USE_HIMEM) {
ZeroMemory(&i286r, sizeof(i286r));	ptr = mem + addr;
ZeroMemory(&i286s, sizeof(i286s));	}
I286_CS = 0x1fc0;	else if ((addr - 0x100000 + 0x4000) <= CPU_EXTMEMSIZE) {
CS_BASE = 0x1fc00;	ptr = CPU_EXTMEM + (addr - 0x100000);
ZeroMemory(&GDTR, sizeof(GDTR));	}
ZeroMemory(&IDTR, sizeof(IDTR));	else {
MSW = 0;	ptr = mem + 0xc0000 + (frame << 14);
	}
	i286core.e.ems[frame] = ptr;
}	}


LABEL void i286_resetprefetch(void) {	LABEL void i286x_resetprefetch(void) {

__asm {	__asm {
pushad	pushad
movzx esi, I286_IP	movzx esi, I286_IP
RESET_XPREFETCH	RESET_XPREFETCH
mov dword ptr (i286s.prefetchque), ebx	mov dword ptr (i286core.s.prefetchque), ebx
popad	popad
ret	ret
}	}
}	}

LABEL void __fastcall i286_interrupt(BYTE vect) {	LABEL void __fastcall i286x_interrupt(UINT8 vect) {

__asm {	__asm {
pushad	pushad
Line 92 LABEL void __fastcall i286_interrupt(BYT	Line 152 LABEL void __fastcall i286_interrupt(BYT
sub bx, 2	sub bx, 2

// hlt..	// hlt..
cmp byte ptr (i286s.prefetchque), 0f4h // hlt	cmp byte ptr (i286core.s.prefetchque), 0f4h // hlt
jne short nonhlt	jne short nonhlt
inc I286_IP	inc I286_IP
nonhlt: mov edi, SS_BASE	nonhlt: mov edi, SS_BASE
Line 124 nonhlt: mov edi, SS_BASE	Line 184 nonhlt: mov edi, SS_BASE
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov CS_BASE, eax	mov CS_BASE, eax
RESET_XPREFETCH	RESET_XPREFETCH
mov dword ptr (i286s.prefetchque), ebx	mov dword ptr (i286core.s.prefetchque), ebx

popad	popad
ret	ret
Line 171 LABEL void __fastcall i286x_localint(voi	Line 231 LABEL void __fastcall i286x_localint(voi
}	}


	// �ץ��ƥ��ȥ⡼�ɤΥ��쥯��(in ax / ret eax)
	LABEL void __fastcall i286x_selector(void) {

	__asm {
	mov ecx, dword ptr (I286_GDTR.base)
	test eax, 4
	je short ixsl_1
	mov ecx, dword ptr (I286_LDTRC.base)
	ixsl_1: and eax, not 7
	and ecx, 0ffffffh
	lea ecx, [ecx + eax + 2]
	call i286_memoryread_w
	push eax
	add ecx, 2
	call i286_memoryread
	pop ecx
	and eax, 0ffh
	movzx ecx, cx
	shl eax, 16
	add eax, ecx
	ret
	}
	}


LABEL void i286(void) {	LABEL void i286x(void) {

__asm {	__asm {
pushad	pushad
mov ebx, dword ptr (i286s.prefetchque)	mov ebx, dword ptr (i286core.s.prefetchque)
movzx esi, I286_IP	movzx esi, I286_IP

cmp I286_TRAP, 0	cmp I286_TRAP, 0
Line 184 LABEL void i286(void) {	Line 268 LABEL void i286(void) {
cmp dmac.working, 0	cmp dmac.working, 0
jne short i286_dma_mnlp	jne short i286_dma_mnlp

i286_mnlp: movzx eax, bl	i286_mnlp:
	#if defined(ENABLE_TRAP)
	mov edx, esi
	movzx ecx, I286_CS
	call steptrap
	#endif
	movzx eax, bl
call i286op[eax*4]	call i286op[eax*4]
cmp nevent.remainclock, 0	cmp I286_REMCLOCK, 0
jg i286_mnlp	jg i286_mnlp
mov dword ptr (i286s.prefetchque), ebx	mov dword ptr (i286core.s.prefetchque), ebx
mov I286_IP, si	mov I286_IP, si
popad	popad
ret	ret

align 16	align 16
i286_dma_mnlp: movzx eax, bl	i286_dma_mnlp:
	#if defined(ENABLE_TRAP)
	mov edx, esi
	movzx ecx, I286_CS
	call steptrap
	#endif
	movzx eax, bl
call i286op[eax*4]	call i286op[eax*4]
call dmap_i286	call dmax86
cmp nevent.remainclock, 0	cmp I286_REMCLOCK, 0
jg i286_dma_mnlp	jg i286_dma_mnlp
mov dword ptr (i286s.prefetchque), ebx	mov dword ptr (i286core.s.prefetchque), ebx
mov I286_IP, si	mov I286_IP, si
popad	popad
ret	ret

align 16	align 16
i286_trapping: movzx eax, bl	i286_trapping:
	#if defined(ENABLE_TRAP)
	mov edx, esi
	movzx ecx, I286_CS
	call steptrap
	#endif
	movzx eax, bl
call i286op[eax*4]	call i286op[eax*4]
cmp I286_TRAP, 0	cmp I286_TRAP, 0
je i286notrap	je i286notrap
mov ecx, 1	mov ecx, 1
call i286x_localint	call i286x_localint
i286notrap: mov dword ptr (i286s.prefetchque), ebx	i286notrap: mov dword ptr (i286core.s.prefetchque), ebx
mov I286_IP, si	mov I286_IP, si
popad	popad
ret	ret
Line 220 i286notrap: mov dword ptr (i286s.prefe	Line 322 i286notrap: mov dword ptr (i286s.prefe



LABEL void i286_step(void) {	LABEL void i286x_step(void) {

__asm {	__asm {
pushad	pushad
mov ebx, dword ptr (i286s.prefetchque)	mov ebx, dword ptr (i286core.s.prefetchque)
movzx esi, I286_IP	movzx esi, I286_IP

movzx eax, bl	movzx eax, bl
Line 235 LABEL void i286_step(void) {	Line 337 LABEL void i286_step(void) {
mov ecx, 1	mov ecx, 1
call i286x_localint	call i286x_localint
nexts:	nexts:
mov dword ptr (i286s.prefetchque), ebx	mov dword ptr (i286core.s.prefetchque), ebx
mov I286_IP, si	mov I286_IP, si

call dmap_i286	call dmax86
popad	popad
ret	ret
}	}
Line 250 nexts:	Line 352 nexts:
LABEL void removeprefix(void) {	LABEL void removeprefix(void) {

__asm {	__asm {
mov i286s.prefix, 0	mov i286core.s.prefix, 0
mov eax, DS_BASE	mov eax, DS_BASE
mov DS_FIX, eax	mov DS_FIX, eax
mov eax, SS_BASE	mov eax, SS_BASE
Line 263 LABEL void removeprefix(void) {	Line 365 LABEL void removeprefix(void) {
I286 _reserved(void) {	I286 _reserved(void) {

__asm {	__asm {
inc si // 01/08/31	// inc si // 01/08/31
INT_NUM(6)	INT_NUM(6)
}	}
}	}
Line 367 I286 pop_es(void) { // 07: pop es	Line 469 I286 pop_es(void) { // 07: pop es
__asm {	__asm {
I286CLOCK(5)	I286CLOCK(5)
REGPOP(I286_ES)	REGPOP(I286_ES)
and eax, 00ffffh	movzx eax, ax
	test byte ptr (I286_MSW), MSW_PE
	jne short pop_es_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov ES_BASE, eax	pop_es_base: mov ES_BASE, eax
GET_NEXTPRE1	GET_NEXTPRE1
ret	ret

	pop_es_pe: push offset pop_es_base
	jmp i286x_selector
}	}
}	}

Line 575 I286 pop_ss(void) { // 17: pop ss	Line 682 I286 pop_ss(void) { // 17: pop ss
__asm {	__asm {
I286CLOCK(5)	I286CLOCK(5)
REGPOP(I286_SS)	REGPOP(I286_SS)
and eax, 00ffffh	movzx eax, ax
	test byte ptr (I286_MSW), MSW_PE
	jne short pop_ss_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov SS_BASE, eax	pop_ss_base: mov SS_BASE, eax
mov SS_FIX, eax	mov SS_FIX, eax
cmp i286s.prefix, 0 // 00/06/24	cmp i286core.s.prefix, 0 // 00/06/24
je noprefix	jne prefix_exist
call removeprefix
pop eax
noprefix:	noprefix:
movzx ebp, bh	movzx ebp, bh
GET_NEXTPRE1	GET_NEXTPRE1
jmp i286op[ebp*4]	jmp i286op[ebp*4]

	pop_ss_pe: push offset pop_ss_base
	jmp i286x_selector

	prefix_exist: pop eax // eax<-offset removeprefix
	call eax
	jmp noprefix
}	}
}	}

Line 697 I286 pop_ds(void) { // 1F: pop ds	Line 811 I286 pop_ds(void) { // 1F: pop ds
__asm {	__asm {
I286CLOCK(5)	I286CLOCK(5)
REGPOP(I286_DS)	REGPOP(I286_DS)
and eax, 00ffffh	movzx eax, ax
	test byte ptr (I286_MSW), MSW_PE
	jne short pop_ds_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov DS_BASE, eax	pop_ds_base: mov DS_BASE, eax
mov DS_FIX, eax	mov DS_FIX, eax
GET_NEXTPRE1	GET_NEXTPRE1
ret	ret

	pop_ds_pe: push offset pop_ds_base
	jmp i286x_selector
}	}
}	}

Line 1598 I286 _arpl(void) {	Line 1717 I286 _arpl(void) {
xor eax, eax	xor eax, eax
cmp bh, 0c0h	cmp bh, 0c0h
setc al	setc al
add si, ax	// add si, ax
add eax, 10	add eax, 10
I286CLOCK(eax)	I286CLOCK(eax)
INT_NUM(6)	INT_NUM(6)
Line 1679 I286 _insb(void) { // 6C: insb	Line 1798 I286 _insb(void) { // 6C: insb
__asm {	__asm {
GET_NEXTPRE1	GET_NEXTPRE1
I286CLOCK(5)	I286CLOCK(5)
#if 1
movzx ecx, I286_DX	movzx ecx, I286_DX
call iocore_inp8	call iocore_inp8
#else
mov cx, I286_DX
call i286_in
#endif
mov dl, al	mov dl, al
movzx ecx, I286_ES	movzx ecx, I286_ES
shl ecx, 4	shl ecx, 4
Line 1726 I286 _outsb(void) { // 6E: outsb	Line 1840 I286 _outsb(void) { // 6E: outsb
mov dl, al	mov dl, al
STRING_DIR	STRING_DIR
add I286_SI, ax	add I286_SI, ax
#if 1
movzx ecx, I286_DX	movzx ecx, I286_DX
jmp iocore_out8	jmp iocore_out8
#else
mov cx, I286_DX
jmp i286_out
#endif
}	}
}	}

Line 2298 I286 mov_ea_r8(void) { // 88: mov	Line 2407 I286 mov_ea_r8(void) { // 88: mov
__asm {	__asm {
PREPART_EA_REG8(2)	PREPART_EA_REG8(2)
mov I286_REG[eax], dl	mov I286_REG[eax], dl
GET_NEXTPRE2 // ea_reg�� regreg��	GET_NEXTPRE1 // ea_reg�� regreg��
ret	ret
align 16	align 16
memory_eareg8:	memory_eareg8:
Line 2403 I286 mov_seg_ea(void) { // 8E: mov	Line 2512 I286 mov_seg_ea(void) { // 8E: mov
GET_NEXTPRE2	GET_NEXTPRE2
mov ax, word ptr I286_REG[edi*2]	mov ax, word ptr I286_REG[edi*2]
jmp segset	jmp segset
align 16	align 4
src_memory:	src_memory:
I286CLOCK(5)	I286CLOCK(5)
call p_ea_dst[eax*4]	call p_ea_dst[eax*4]
call i286_memoryread_w	call i286_memoryread_w
segset:	segset:
mov word ptr I286_SEGREG[ebp], ax	mov word ptr I286_SEGREG[ebp], ax
and eax, 0000ffffh	movzx eax, ax
	test byte ptr (I286_MSW), MSW_PE
	jne short mov_seg_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov SEG_BASE[ebp*2], eax	mov_seg_base: mov SEG_BASE[ebp*2], eax
sub ebp, 2*2	sub ebp, 2*2
jc segsetr	jc short segsetr
mov SS_FIX[ebp*2], eax	mov SS_FIX[ebp*2], eax
je setss	je short setss
segsetr:ret	segsetr:ret

align 16	setss: cmp i286core.s.prefix, 0 // 00/05/13
setss: cmp i286s.prefix, 0 // 00/05/13
je noprefix	je noprefix
pop eax	pop eax
call eax // eax<-offset removeprefix	call eax // eax<-offset removeprefix
Line 2428 I286 mov_seg_ea(void) { // 8E: mov	Line 2538 I286 mov_seg_ea(void) { // 8E: mov
movzx eax, bl	movzx eax, bl
jmp i286op[eax*4]	jmp i286op[eax*4]

align 16	mov_seg_pe: push offset mov_seg_base
fixcs:	jmp i286x_selector
INT_NUM(6)
	fixcs: INT_NUM(6)
}	}
}	}

Line 2625 I286 call_far(void) { // 9A: call	Line 2736 I286 call_far(void) { // 9A: call
mov si, bx	mov si, bx
shr ebx, 16	shr ebx, 16
mov I286_CS, bx	mov I286_CS, bx
	test byte ptr (I286_MSW), MSW_PE
	jne short call_far_pe
shl ebx, 4	shl ebx, 4
mov CS_BASE, ebx	mov CS_BASE, ebx
RESET_XPREFETCH	call_far_base: RESET_XPREFETCH
ret	ret

	call_far_pe: mov eax, ebx
	call i286x_selector
	mov CS_BASE, eax
	jmp short call_far_base
}	}
}	}

Line 2668 I286 _popf(void) { // 9D: popf	Line 2786 I286 _popf(void) { // 9D: popf
and ah, 3	and ah, 3
cmp ah, 3	cmp ah, 3
sete I286_TRAP	sete I286_TRAP
I286IRQCHECKTERM
	je irqcheck // fast_intr
	test ah, 2
	je nextop
	mov al, pic.pi[0 * (type _PICITEM)].imr
	mov ah, pic.pi[1 * (type _PICITEM)].imr
	not ax
	test al, pic.pi[0 * (type _PICITEM)].irr
	jne irqcheck
	test ah, pic.pi[1 * (type _PICITEM)].irr
	jne irqcheck
	nextop: ret

	irqcheck: I286IRQCHECKTERM
}	}
}	}

Line 2765 I286 _movsb(void) { // A4: movsb	Line 2896 I286 _movsb(void) { // A4: movsb
add ecx, DS_FIX	add ecx, DS_FIX
call i286_memoryread	call i286_memoryread
mov dl, al	mov dl, al
movzx ecx, I286_ES	movzx ecx, I286_DI
shl ecx, 4	add ecx, ES_BASE
movzx eax, I286_DI
add ecx, eax
STRING_DIR	STRING_DIR
add I286_SI, ax	add I286_SI, ax
add I286_DI, ax	add I286_DI, ax
Line 2785 I286 _movsw(void) { // A5: movsw	Line 2914 I286 _movsw(void) { // A5: movsw
add ecx, DS_FIX	add ecx, DS_FIX
call i286_memoryread_w	call i286_memoryread_w
mov dx, ax	mov dx, ax
movzx ecx, I286_ES	movzx ecx, I286_DI
shl ecx, 4	add ecx, ES_BASE
movzx eax, I286_DI
add ecx, eax
STRING_DIRx2	STRING_DIRx2
add I286_SI, ax	add I286_SI, ax
add I286_DI, ax	add I286_DI, ax
Line 2805 I286 _cmpsb(void) { // A6: cmpsb	Line 2932 I286 _cmpsb(void) { // A6: cmpsb
add ecx, DS_FIX	add ecx, DS_FIX
call i286_memoryread	call i286_memoryread
mov dl, al	mov dl, al
movzx ecx, I286_ES	movzx ecx, I286_DI
shl ecx, 4	add ecx, ES_BASE
movzx eax, I286_DI
add ecx, eax
call i286_memoryread	call i286_memoryread
cmp dl, al	cmp dl, al
FLAG_STORE_OF	FLAG_STORE_OF
Line 2828 I286 _cmpsw(void) { // A7: cmpsw	Line 2953 I286 _cmpsw(void) { // A7: cmpsw
add ecx, DS_FIX	add ecx, DS_FIX
call i286_memoryread_w	call i286_memoryread_w
mov edx, eax	mov edx, eax
movzx ecx, I286_ES	movzx ecx, I286_DI
shl ecx, 4	add ecx, ES_BASE
movzx eax, I286_DI
add ecx, eax
call i286_memoryread_w	call i286_memoryread_w
cmp dx, ax	cmp dx, ax
FLAG_STORE_OF	FLAG_STORE_OF
Line 2870 I286 _stosb(void) { // AA: stosb	Line 2993 I286 _stosb(void) { // AA: stosb
__asm {	__asm {
GET_NEXTPRE1	GET_NEXTPRE1
I286CLOCK(3)	I286CLOCK(3)
movzx ecx, I286_ES	movzx ecx, I286_DI
shl ecx, 4	add ecx, ES_BASE
movzx eax, I286_DI
add ecx, eax
STRING_DIR	STRING_DIR
add I286_DI, ax	add I286_DI, ax
mov dl, I286_AL	mov dl, I286_AL
Line 2886 I286 _stosw(void) { // AB: stosw	Line 3007 I286 _stosw(void) { // AB: stosw
__asm {	__asm {
GET_NEXTPRE1	GET_NEXTPRE1
I286CLOCK(3)	I286CLOCK(3)
movzx ecx, I286_ES	movzx ecx, I286_DI
shl ecx, 4	add ecx, ES_BASE
movzx eax, I286_DI
add ecx, eax
STRING_DIRx2	STRING_DIRx2
add I286_DI, ax	add I286_DI, ax
mov dx, I286_AX	mov dx, I286_AX
Line 2932 I286 _scasb(void) { // AE: scasb	Line 3051 I286 _scasb(void) { // AE: scasb
__asm {	__asm {
GET_NEXTPRE1	GET_NEXTPRE1
I286CLOCK(7)	I286CLOCK(7)
movzx ecx, I286_ES	movzx ecx, I286_DI
shl ecx, 4	add ecx, ES_BASE
movzx eax, I286_DI
add ecx, eax
call i286_memoryread	call i286_memoryread
cmp I286_AL, al	cmp I286_AL, al
FLAG_STORE_OF	FLAG_STORE_OF
Line 2950 I286 _scasw(void) { // AF: scasw	Line 3067 I286 _scasw(void) { // AF: scasw
__asm {	__asm {
GET_NEXTPRE1	GET_NEXTPRE1
I286CLOCK(7)	I286CLOCK(7)
movzx ecx, I286_ES	movzx ecx, I286_DI
shl ecx, 4	add ecx, ES_BASE
movzx eax, I286_DI
add ecx, eax
call i286_memoryread_w	call i286_memoryread_w
cmp I286_AX, ax	cmp I286_AX, ax
FLAG_STORE_OF	FLAG_STORE_OF
Line 3277 I286 les_r16_ea(void) { // C4: les	Line 3392 I286 les_r16_ea(void) { // C4: les
lea ecx, [edi + ebp]	lea ecx, [edi + ebp]
call i286_memoryread_w	call i286_memoryread_w
mov I286_ES, ax	mov I286_ES, ax
and eax, 0000ffffh	movzx eax, ax
	test byte ptr (I286_MSW), MSW_PE
	jne short les_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov ES_BASE, eax	les_base: mov ES_BASE, eax
ret	ret
align 16
src_register:	les_pe: push offset les_base
INT_NUM(6)	jmp i286x_selector

	src_register: INT_NUM(6)
}	}
}	}

Line 3306 I286 lds_r16_ea(void) { // C5: lds	Line 3425 I286 lds_r16_ea(void) { // C5: lds
lea ecx, [edi + ebp]	lea ecx, [edi + ebp]
call i286_memoryread_w	call i286_memoryread_w
mov I286_DS, ax	mov I286_DS, ax
and eax, 0000ffffh	movzx eax, ax
	test byte ptr (I286_MSW), MSW_PE
	jne short lds_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov DS_BASE, eax	lds_base: mov DS_BASE, eax
mov DS_FIX, eax	mov DS_FIX, eax
ret	ret
align 16
src_register:	lds_pe: push offset lds_base
INT_NUM(6)	jmp i286x_selector

	src_register: INT_NUM(6)

}	}
}	}

Line 3385 I286 _enter(void) { // C8: enter	Line 3509 I286 _enter(void) { // C8: enter
je enter0	je enter0
dec eax	dec eax
je enter1	je enter1
lea ecx, [eax*4 + 12]	lea ecx, [eax*4 + 12 + 4]
I286CLOCK(ecx)	I286CLOCK(ecx)
push ebx	push ebx
movzx ebx, I286_BP	movzx ebx, I286_BP
Line 3465 I286 ret_far_data16(void) { // CA:	Line 3589 I286 ret_far_data16(void) { // CA:
lea ecx, [edi + ebp]	lea ecx, [edi + ebp]
call i286_memoryread_w	call i286_memoryread_w
mov I286_CS, ax	mov I286_CS, ax
and eax, 0000ffffh	movzx eax, ax
	test byte ptr (I286_MSW), MSW_PE
	jne short ret_far16_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov CS_BASE, eax	ret_far16_base: mov CS_BASE, eax
add I286_SP, 4	add I286_SP, 4
RESET_XPREFETCH	RESET_XPREFETCH
ret	ret

	ret_far16_pe: push offset ret_far16_base
	jmp i286x_selector
}	}
}	}

Line 3488 I286 ret_far(void) { // CB: ret fa	Line 3617 I286 ret_far(void) { // CB: ret fa
add bx, 2	add bx, 2
call i286_memoryread_w	call i286_memoryread_w
mov I286_CS, ax	mov I286_CS, ax
and eax, 0000ffffh	movzx eax, ax
	test byte ptr (I286_MSW), MSW_PE
	jne short ret_far_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov CS_BASE, eax	ret_far_base: mov CS_BASE, eax
mov ebp, eax	mov ebp, eax
mov I286_SP, bx	mov I286_SP, bx
RESET_XPREFETCH	RESET_XPREFETCH
ret	ret

	ret_far_pe: push offset ret_far_base
	jmp i286x_selector
}	}
}	}

Line 3523 I286 int_data8(void) { // CD: int	Line 3657 I286 int_data8(void) { // CD: int
lea ecx, [edi + ebp]	lea ecx, [edi + ebp]
mov dx, I286_CS	mov dx, I286_CS
call i286_memorywrite_w	call i286_memorywrite_w
	#if defined(ENABLE_TRAP)
	movzx eax, bh
	push eax
	lea edx, [esi - 1]
	movzx ecx, I286_CS
	call softinttrap
	#endif
movzx eax, bh	movzx eax, bh
sub bp, 2	sub bp, 2
mov I286_SP, bp	mov I286_SP, bp
Line 3542 I286 int_data8(void) { // CD: int	Line 3683 I286 int_data8(void) { // CD: int
I286 _into(void) { // CE: into	I286 _into(void) { // CE: into

__asm {	__asm {
	I286CLOCK(4)
test I286_FLAG, O_FLAG	test I286_FLAG, O_FLAG
jne intovf	jne intovf
I286CLOCK(4)
GET_NEXTPRE1	GET_NEXTPRE1
ret	ret
align 16
intovf:	intovf: inc si // ver0.80
I286CLOCK(24)
INT_NUM(4)	INT_NUM(4)
}	}
}	}
Line 3557 I286 _into(void) { // CE: into	Line 3697 I286 _into(void) { // CE: into
I286 _iret(void) { // CF: iret	I286 _iret(void) { // CF: iret

__asm {	__asm {
call extirq_pop
I286CLOCK(31)	I286CLOCK(31)
mov edi, SS_BASE	mov edi, SS_BASE
movzx ebx, I286_SP	movzx ebx, I286_SP
Line 3582 I286 _iret(void) { // CF: iret	Line 3721 I286 _iret(void) { // CF: iret
cmp ah, 3	cmp ah, 3
sete I286_TRAP	sete I286_TRAP
RESET_XPREFETCH	RESET_XPREFETCH
I286IRQCHECKTERM
	cmp I286_TRAP, 0 // fast_intr
	jne irqcheck
	test I286_FLAG, I_FLAG
	je nextop
	mov al, pic.pi[0 * (type _PICITEM)].imr
	mov ah, pic.pi[1 * (type _PICITEM)].imr
	not ax
	test al, pic.pi[0 * (type _PICITEM)].irr
	jne irqcheck
	test ah, pic.pi[1 * (type _PICITEM)].irr
	jne irqcheck
	nextop: ret

	irqcheck: I286IRQCHECKTERM
}	}
}	}

Line 3751 nzflagsed: xor al, ah	Line 3904 nzflagsed: xor al, ah
or I286_FLAGL, al	or I286_FLAGL, al
GET_NEXTPRE2	GET_NEXTPRE2
ret	ret
align 16
div0:	div0: INT_NUM(0)
INT_NUM(0)
}	}
}	}

Line 3897 I286 in_al_data8(void) { // E4: in	Line 4049 I286 in_al_data8(void) { // E4: in
I286CLOCK(5)	I286CLOCK(5)
lea eax, [esi + 2]	lea eax, [esi + 2]
add eax, CS_BASE	add eax, CS_BASE
mov i286s.inport, eax	mov I286_INPADRS, eax
movzx ecx, bh	movzx ecx, bh
#if 1
call iocore_inp8	call iocore_inp8
#else
call i286_in
#endif
mov I286_AL, al	mov I286_AL, al
mov i286s.inport, 0	mov I286_INPADRS, 0
GET_NEXTPRE2	GET_NEXTPRE2
ret	ret
}	}
Line 3917 I286 in_ax_data8(void) { // E5: in	Line 4065 I286 in_ax_data8(void) { // E5: in
I286CLOCK(5)	I286CLOCK(5)
lea eax, [esi + 2]	lea eax, [esi + 2]
add eax, CS_BASE	add eax, CS_BASE
mov i286s.inport, eax
movzx ecx, bh	movzx ecx, bh
call iocore_inp16	call iocore_inp16
mov I286_AX, ax	mov I286_AX, ax
Line 3935 I286 out_data8_al(void) { // E6: ou	Line 4082 I286 out_data8_al(void) { // E6: ou
GET_NEXTPRE2	GET_NEXTPRE2
pop ecx	pop ecx
mov dl, I286_AL	mov dl, I286_AL
#if 1
jmp iocore_out8	jmp iocore_out8
#else	}
jmp i286_out
#endif
}
}	}

I286 out_data8_ax(void) { // E7: out DATA8, ax	I286 out_data8_ax(void) { // E7: out DATA8, ax
Line 3992 I286 jmp_far(void) { // EA: jmp fa	Line 4135 I286 jmp_far(void) { // EA: jmp fa
mov si, bx	mov si, bx
shr ebx, 16	shr ebx, 16
mov I286_CS, bx	mov I286_CS, bx
	test byte ptr (I286_MSW), MSW_PE
	jne short jmp_far_pe
shl ebx, 4 // make segreg	shl ebx, 4 // make segreg
mov CS_BASE, ebx	mov CS_BASE, ebx
RESET_XPREFETCH	jmp_far_base: RESET_XPREFETCH
ret	ret

	jmp_far_pe: mov eax, ebx
	call i286x_selector
	mov CS_BASE, eax
	jmp short jmp_far_base
}	}
}	}

Line 4015 I286 in_al_dx(void) { // EC: in al	Line 4165 I286 in_al_dx(void) { // EC: in al

__asm {	__asm {
I286CLOCK(5)	I286CLOCK(5)
#if 1
movzx ecx, I286_DX	movzx ecx, I286_DX
call iocore_inp8	call iocore_inp8
#else
mov cx, I286_DX
call i286_in
#endif
mov I286_AL, al	mov I286_AL, al
GET_NEXTPRE1	GET_NEXTPRE1
ret	ret
Line 4045 I286 out_dx_al(void) { // EE: out	Line 4190 I286 out_dx_al(void) { // EE: out
__asm {	__asm {
GET_NEXTPRE1	GET_NEXTPRE1
I286CLOCK(3)	I286CLOCK(3)
#if 1
movzx ecx, I286_DX	movzx ecx, I286_DX
mov dl, I286_AL	mov dl, I286_AL
jmp iocore_out8	jmp iocore_out8
#else
mov cx, I286_DX
mov dl, I286_AL
jmp i286_out
#endif
}	}
}	}

Line 4093 I286 _repe(void) { // F3: repe	Line 4232 I286 _repe(void) { // F3: repe
I286 _hlt(void) { // F4: hlt	I286 _hlt(void) { // F4: hlt

__asm {	__asm {
mov nevent.remainclock, -1	mov I286_REMCLOCK, -1
ret	ret
}	}
}	}
Line 4166 I286 _sti(void) { // FB: sti	Line 4305 I286 _sti(void) { // FB: sti
__asm {	__asm {
GET_NEXTPRE1	GET_NEXTPRE1
I286CLOCK(2)	I286CLOCK(2)
or I286_FLAG, I_FLAG	cmp i286core.s.prefix, 0 // ver0.26 00/10/08
	jne prefix_exist // ��ʬ��פʤΤǡ�
	noprefix:
	movzx ebp, bl
	bts I286_FLAG, 9
	jne jmp_nextop
test I286_FLAG, T_FLAG	test I286_FLAG, T_FLAG
setne I286_TRAP	setne I286_TRAP

cmp i286s.prefix, 0 // ver0.26 00/10/08	jne nextopandexit // fast_intr
jne prefix_exist // ��ʬ��פʤΤǡ�	mov al, pic.pi[0 * (type _PICITEM)].imr
noprefix: movzx eax, bl	mov ah, pic.pi[1 * (type _PICITEM)].imr
call i286op[eax*4]	not ax
	test al, pic.pi[0 * (type _PICITEM)].irr
	jne nextopandexit
	test ah, pic.pi[1 * (type _PICITEM)].irr
	jne nextopandexit
	jmp_nextop: jmp i286op[ebp*4]

	nextopandexit: call i286op[ebp*4]
I286IRQCHECKTERM	I286IRQCHECKTERM

prefix_exist: pop eax // eax<-offset removeprefix	prefix_exist: pop eax // eax<-offset removeprefix
Line 4227 I286 _ope0xff(void) { // FF:	Line 4378 I286 _ope0xff(void) { // FF:

// -------------------------------------------------------------------------	// -------------------------------------------------------------------------

void (*i286op[])(void) = {	const I286TBL i286op[256] = {
add_ea_r8, // 00: add EA, REG8	add_ea_r8, // 00: add EA, REG8
add_ea_r16, // 01: add EA, REG16	add_ea_r16, // 01: add EA, REG16
add_r8_ea, // 02: add REG8, EA	add_r8_ea, // 02: add REG8, EA
Line 4551 I286 repe_segprefix_ds(void) {	Line 4702 I286 repe_segprefix_ds(void) {
}	}
}	}

void (*i286op_repe[])(void) = {	const I286TBL i286op_repe[256] = {
add_ea_r8, // 00: add EA, REG8	add_ea_r8, // 00: add EA, REG8
add_ea_r16, // 01: add EA, REG16	add_ea_r16, // 01: add EA, REG16
add_r8_ea, // 02: add REG8, EA	add_r8_ea, // 02: add REG8, EA
Line 4875 I286 repne_segprefix_ds(void) {	Line 5026 I286 repne_segprefix_ds(void) {
}	}
}	}

void (*i286op_repne[])(void) = {	const I286TBL i286op_repne[256] = {
add_ea_r8, // 00: add EA, REG8	add_ea_r8, // 00: add EA, REG8
add_ea_r16, // 01: add EA, REG16	add_ea_r16, // 01: add EA, REG16
add_r8_ea, // 02: add REG8, EA	add_r8_ea, // 02: add REG8, EA

RetroPC.NET-CVS <cvs@retropc.net>

Removed from v.1.1.1.1
changed lines
	Added in v.1.26