np2/i286x/i286x.cpp - diff

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Diff for /np2/i286x/i286x.cpp between versions 1.16 and 1.21

version 1.16, 2004/01/25 05:41:29	version 1.21, 2004/02/18 20:11:36
Line 90 void i286x_shut(void) {	Line 90 void i286x_shut(void) {
void i286x_setextsize(UINT32 size) {	void i286x_setextsize(UINT32 size) {

if (CPU_EXTMEMSIZE != size) {	if (CPU_EXTMEMSIZE != size) {
_MFREE(CPU_EXTMEM);	if (CPU_EXTMEM) {
	_MFREE(CPU_EXTMEM);
	CPU_EXTMEM = NULL;
	}
if (size) {	if (size) {
CPU_EXTMEM = (BYTE *)_MALLOC(size + 16, "EXTMEM");	CPU_EXTMEM = (BYTE *)_MALLOC(size + 16, "EXTMEM");
if (CPU_EXTMEM == NULL) {	if (CPU_EXTMEM == NULL) {
Line 445 I286 pop_es(void) { // 07: pop es	Line 448 I286 pop_es(void) { // 07: pop es
I286CLOCK(5)	I286CLOCK(5)
REGPOP(I286_ES)	REGPOP(I286_ES)
movzx eax, ax	movzx eax, ax
test I286_MSW, MSW_PE	test byte ptr (I286_MSW), MSW_PE
jne short pop_es_pe	jne short pop_es_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
pop_es_base: mov ES_BASE, eax	pop_es_base: mov ES_BASE, eax
Line 658 I286 pop_ss(void) { // 17: pop ss	Line 661 I286 pop_ss(void) { // 17: pop ss
I286CLOCK(5)	I286CLOCK(5)
REGPOP(I286_SS)	REGPOP(I286_SS)
movzx eax, ax	movzx eax, ax
test I286_MSW, MSW_PE	test byte ptr (I286_MSW), MSW_PE
jne short pop_ss_pe	jne short pop_ss_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
pop_ss_base: mov SS_BASE, eax	pop_ss_base: mov SS_BASE, eax
Line 787 I286 pop_ds(void) { // 1F: pop ds	Line 790 I286 pop_ds(void) { // 1F: pop ds
I286CLOCK(5)	I286CLOCK(5)
REGPOP(I286_DS)	REGPOP(I286_DS)
movzx eax, ax	movzx eax, ax
test I286_MSW, MSW_PE	test byte ptr (I286_MSW), MSW_PE
jne short pop_ds_pe	jne short pop_ds_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
pop_ds_base: mov DS_BASE, eax	pop_ds_base: mov DS_BASE, eax
Line 2495 I286 mov_seg_ea(void) { // 8E: mov	Line 2498 I286 mov_seg_ea(void) { // 8E: mov
segset:	segset:
mov word ptr I286_SEGREG[ebp], ax	mov word ptr I286_SEGREG[ebp], ax
movzx eax, ax	movzx eax, ax
test I286_MSW, MSW_PE	test byte ptr (I286_MSW), MSW_PE
jne short mov_seg_pe	jne short mov_seg_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov_seg_base: mov SEG_BASE[ebp*2], eax	mov_seg_base: mov SEG_BASE[ebp*2], eax
Line 2711 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 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 2758 I286 _popf(void) { // 9D: popf	Line 2768 I286 _popf(void) { // 9D: popf
je irqcheck // fast_intr	je irqcheck // fast_intr
test ah, 2	test ah, 2
je nextop	je nextop
cmp pic.ext_irq, 0	mov al, pic.pi[0 * (type _PICITEM)].imr
jne nextop	mov ah, pic.pi[1 * (type _PICITEM)].imr
mov al, pic.pi[0].imr
mov ah, pic.pi[1].imr
not ax	not ax
test al, pic.pi[0].irr	test al, pic.pi[0 * (type _PICITEM)].irr
jne irqcheck	jne irqcheck
test ah, pic.pi[1].irr	test ah, pic.pi[1 * (type _PICITEM)].irr
jne irqcheck	jne irqcheck
nextop: ret	nextop: ret

Line 2866 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 2886 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 2906 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 2929 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 2971 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 2987 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 3033 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 3051 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 3378 I286 les_r16_ea(void) { // C4: les	Line 3370 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 4
src_register:	les_pe: push offset les_base
INT_NUM(6)	jmp i286x_selector

	src_register: INT_NUM(6)
}	}
}	}

Line 3407 I286 lds_r16_ea(void) { // C5: lds	Line 3403 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 3566 I286 ret_far_data16(void) { // CA:	Line 3567 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 3589 I286 ret_far(void) { // CB: ret fa	Line 3595 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 3656 I286 _into(void) { // CE: into	Line 3667 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 3686 I286 _iret(void) { // CF: iret	Line 3696 I286 _iret(void) { // CF: iret
jne irqcheck	jne irqcheck
test I286_FLAG, I_FLAG	test I286_FLAG, I_FLAG
je nextop	je nextop
cmp pic.ext_irq, 0	mov al, pic.pi[0 * (type _PICITEM)].imr
jne nextop	mov ah, pic.pi[1 * (type _PICITEM)].imr
mov al, pic.pi[0].imr
mov ah, pic.pi[1].imr
not ax	not ax
test al, pic.pi[0].irr	test al, pic.pi[0 * (type _PICITEM)].irr
jne irqcheck	jne irqcheck
test ah, pic.pi[1].irr	test ah, pic.pi[1 * (type _PICITEM)].irr
jne irqcheck	jne irqcheck
nextop: ret	nextop: ret

Line 4097 I286 jmp_far(void) { // EA: jmp fa	Line 4105 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 4270 I286 _sti(void) { // FB: sti	Line 4285 I286 _sti(void) { // FB: sti
setne I286_TRAP	setne I286_TRAP

jne nextopandexit // fast_intr	jne nextopandexit // fast_intr
cmp pic.ext_irq, 0	mov al, pic.pi[0 * (type _PICITEM)].imr
jne jmp_nextop	mov ah, pic.pi[1 * (type _PICITEM)].imr
mov al, pic.pi[0].imr
mov ah, pic.pi[1].imr
not ax	not ax
test al, pic.pi[0].irr	test al, pic.pi[0 * (type _PICITEM)].irr
jne nextopandexit	jne nextopandexit
test ah, pic.pi[1].irr	test ah, pic.pi[1 * (type _PICITEM)].irr
jne nextopandexit	jne nextopandexit
jmp_nextop: jmp i286op[ebp*4]	jmp_nextop: jmp i286op[ebp*4]

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Removed from v.1.16
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	Added in v.1.21