np2/i286x/i286x.cpp - diff

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Diff for /np2/i286x/i286x.cpp between versions 1.19 and 1.20

version 1.19, 2004/01/29 09:41:50	version 1.20, 2004/02/18 18:29:29
Line 2714 I286 call_far(void) { // 9A: call	Line 2714 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 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 2867 I286 _movsb(void) { // A4: movsb	Line 2874 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 2887 I286 _movsw(void) { // A5: movsw	Line 2892 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 2907 I286 _cmpsb(void) { // A6: cmpsb	Line 2910 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 2930 I286 _cmpsw(void) { // A7: cmpsw	Line 2931 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 2972 I286 _stosb(void) { // AA: stosb	Line 2971 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 2988 I286 _stosw(void) { // AB: stosw	Line 2985 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 3034 I286 _scasb(void) { // AE: scasb	Line 3029 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 3052 I286 _scasw(void) { // AF: scasw	Line 3045 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 3567 I286 ret_far_data16(void) { // CA:	Line 3558 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 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 3590 I286 ret_far(void) { // CB: ret fa	Line 3586 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 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 4095 I286 jmp_far(void) { // EA: jmp fa	Line 4096 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 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
}	}
}	}

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Removed from v.1.19
changed lines
	Added in v.1.20