np2/i286x/i286xs.cpp - diff

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version 1.1, 2003/10/16 17:57:28	version 1.7, 2004/08/03 10:11:37
Line 1	Line 1
#include "compiler.h"	#include "compiler.h"
#include "nevent.h"	#include "cpucore.h"
#include "i286.h"
#include "i286x.h"	#include "i286x.h"
#include "i286xadr.h"	#include "i286xadr.h"
#include "memory.h"	#include "i286xs.h"
#include "i286x.mcr"	#include "i286x.mcr"
#include "i286xea.mcr"	#include "i286xea.mcr"

Line 163 I286 cmp_ext8_i(void) {	Line 162 I286 cmp_ext8_i(void) {


// dest: I286_REG[eax] src: dl	// dest: I286_REG[eax] src: dl
void (*op8xreg8_xtable[])(void) = {	const I286TBL op8xreg8_xtable[8] = {
add_r8_i, or_r8_i, adc_r8_i, sbb_r8_i,	add_r8_i, or_r8_i, adc_r8_i, sbb_r8_i,
and_r8_i, sub_r8_i, xor_r8_i, cmp_r8_i};	and_r8_i, sub_r8_i, xor_r8_i, cmp_r8_i};

// dest: ecx src: dl	// dest: ecx src: dl
void (*op8xext8_xtable[])(void) = {	const I286TBL op8xext8_xtable[8] = {
add_ext8_i, or_ext8_i, adc_ext8_i, sbb_ext8_i,	add_ext8_i, or_ext8_i, adc_ext8_i, sbb_ext8_i,
and_ext8_i, sub_ext8_i, xor_ext8_i, cmp_ext8_i};	and_ext8_i, sub_ext8_i, xor_ext8_i, cmp_ext8_i};

Line 330 I286 cmp_ext16_i(void) {	Line 329 I286 cmp_ext16_i(void) {


// dest: ebp src: bx	// dest: ebp src: bx
void (*op8xreg16_xtable[])(void) = {	const I286TBL op8xreg16_xtable[8] = {
add_r16_i, or_r16_i, adc_r16_i, sbb_r16_i,	add_r16_i, or_r16_i, adc_r16_i, sbb_r16_i,
and_r16_i, sub_r16_i, xor_r16_i, cmp_r16_i};	and_r16_i, sub_r16_i, xor_r16_i, cmp_r16_i};

// dest: [ecx]=dx src: bx	// dest: [ecx]=dx src: bx
void (*op8xext16_xtable[])(void) = {	const I286TBL op8xext16_xtable[8] = {
add_ext16_i, or_ext16_i, adc_ext16_i, sbb_ext16_i,	add_ext16_i, or_ext16_i, adc_ext16_i, sbb_ext16_i,
and_ext16_i, sub_ext16_i, xor_ext16_i, cmp_ext16_i};	and_ext16_i, sub_ext16_i, xor_ext16_i, cmp_ext16_i};

Line 418 I286 cmp_ext16a_i(void) {	Line 417 I286 cmp_ext16a_i(void) {
}	}

// dest: [ecx]=dx src: ax	// dest: [ecx]=dx src: ax
void (*op8xext16_atable[])(void) = {	const I286TBL op8xext16_atable[8] = {
add_ext16a_i, or_ext16a_i, adc_ext16a_i, sbb_ext16a_i,	add_ext16a_i, or_ext16a_i, adc_ext16a_i, sbb_ext16a_i,
and_ext16a_i, sub_ext16a_i, xor_ext16a_i, cmp_ext16a_i};	and_ext16a_i, sub_ext16a_i, xor_ext16a_i, cmp_ext16a_i};

Line 663 I286 sar_ext8_1(void) {	Line 662 I286 sar_ext8_1(void) {
}	}


void (*sftreg8_xtable[])(void) = {	const I286TBL sftreg8_xtable[8] = {
rol_r8_1, ror_r8_1, rcl_r8_1, rcr_r8_1,	rol_r8_1, ror_r8_1, rcl_r8_1, rcr_r8_1,
shl_r8_1, shr_r8_1, shl_r8_1, sar_r8_1};	shl_r8_1, shr_r8_1, shl_r8_1, sar_r8_1};

void (*sftmem8_xtable[])(void) = {	const I286TBL sftmem8_xtable[8] = {
rol_mem8_1, ror_mem8_1, rcl_mem8_1, rcr_mem8_1,	rol_mem8_1, ror_mem8_1, rcl_mem8_1, rcr_mem8_1,
shl_mem8_1, shr_mem8_1, shl_mem8_1, sar_mem8_1};	shl_mem8_1, shr_mem8_1, shl_mem8_1, sar_mem8_1};

void (*sftext8_xtable[])(void) = {	const I286TBL sftext8_xtable[8] = {
rol_ext8_1, ror_ext8_1, rcl_ext8_1, rcr_ext8_1,	rol_ext8_1, ror_ext8_1, rcl_ext8_1, rcr_ext8_1,
shl_ext8_1, shr_ext8_1, shl_ext8_1, sar_ext8_1};	shl_ext8_1, shr_ext8_1, shl_ext8_1, sar_ext8_1};

Line 916 I286 sar_ext16_1(void) {	Line 915 I286 sar_ext16_1(void) {
}	}


void (*sftreg16_xtable[])(void) = {	const I286TBL sftreg16_xtable[8] = {
rol_r16_1, ror_r16_1, rcl_r16_1, rcr_r16_1,	rol_r16_1, ror_r16_1, rcl_r16_1, rcr_r16_1,
shl_r16_1, shr_r16_1, shl_r16_1, sar_r16_1};	shl_r16_1, shr_r16_1, shl_r16_1, sar_r16_1};

void (*sftmem16_xtable[])(void) = {	const I286TBL sftmem16_xtable[8] = {
rol_mem16_1, ror_mem16_1, rcl_mem16_1, rcr_mem16_1,	rol_mem16_1, ror_mem16_1, rcl_mem16_1, rcr_mem16_1,
shl_mem16_1, shr_mem16_1, shl_mem16_1, sar_mem16_1};	shl_mem16_1, shr_mem16_1, shl_mem16_1, sar_mem16_1};

void (*sftext16_xtable[])(void) = {	const I286TBL sftext16_xtable[8] = {
rol_ext16_1, ror_ext16_1, rcl_ext16_1, rcr_ext16_1,	rol_ext16_1, ror_ext16_1, rcl_ext16_1, rcr_ext16_1,
shl_ext16_1, shr_ext16_1, shl_ext16_1, sar_ext16_1};	shl_ext16_1, shr_ext16_1, shl_ext16_1, sar_ext16_1};

Line 1098 I286 sar_ext8_cl(void) {	Line 1097 I286 sar_ext8_cl(void) {
}	}


void (*sftreg8cl_xtable[])(void) = {	const I286TBL sftreg8cl_xtable[8] = {
rol_r8_cl, ror_r8_cl, rcl_r8_cl, rcr_r8_cl,	rol_r8_cl, ror_r8_cl, rcl_r8_cl, rcr_r8_cl,
shl_r8_cl, shr_r8_cl, shl_r8_cl, sar_r8_cl};	shl_r8_cl, shr_r8_cl, shl_r8_cl, sar_r8_cl};

void (*sftext8cl_xtable[])(void) = {	const I286TBL sftext8cl_xtable[8] = {
rol_ext8_cl, ror_ext8_cl, rcl_ext8_cl, rcr_ext8_cl,	rol_ext8_cl, ror_ext8_cl, rcl_ext8_cl, rcr_ext8_cl,
shl_ext8_cl, shr_ext8_cl, shl_ext8_cl, sar_ext8_cl};	shl_ext8_cl, shr_ext8_cl, shl_ext8_cl, sar_ext8_cl};

Line 1276 I286 sar_ext16_cl(void) {	Line 1275 I286 sar_ext16_cl(void) {
}	}


void (*sftreg16cl_xtable[])(void) = {	const I286TBL sftreg16cl_xtable[8] = {
rol_r16_cl, ror_r16_cl, rcl_r16_cl, rcr_r16_cl,	rol_r16_cl, ror_r16_cl, rcl_r16_cl, rcr_r16_cl,
shl_r16_cl, shr_r16_cl, shl_r16_cl, sar_r16_cl};	shl_r16_cl, shr_r16_cl, shl_r16_cl, sar_r16_cl};

void (*sftext16cl_xtable[])(void) = {	const I286TBL sftext16cl_xtable[8] = {
rol_ext16_cl, ror_ext16_cl, rcl_ext16_cl, rcr_ext16_cl,	rol_ext16_cl, ror_ext16_cl, rcl_ext16_cl, rcr_ext16_cl,
shl_ext16_cl, shr_ext16_cl, shl_ext16_cl, sar_ext16_cl};	shl_ext16_cl, shr_ext16_cl, shl_ext16_cl, sar_ext16_cl};

Line 1398 I286 imul_ea8(void) {	Line 1397 I286 imul_ea8(void) {
I286 div_ea8(void) {	I286 div_ea8(void) {

__asm {	__asm {
	push esi
PREPART_EA8(14)	PREPART_EA8(14)
movzx ebp, byte ptr I286_REG[eax]	movzx ebp, byte ptr I286_REG[eax]
GET_NEXTPRE2	GET_NEXTPRE2
jmp divcheck	jmp divcheck
MEMORY_EA8(22)	MEMORY_EA8(17)
movzx ebp, byte ptr I286_MEM[ecx]	movzx ebp, byte ptr I286_MEM[ecx]
jmp divcheck	jmp divcheck
EXTMEM_EA8	EXTMEM_EA8
movzx ebp, al	movzx ebp, al
align 4
divcheck:	align 4
test ebp, ebp	divcheck: test ebp, ebp
je divovf	je divovf
mov ax, I286_AX	mov ax, I286_AX
xor dx, dx	xor dx, dx
div bp	div bp
mov I286_AL, al	mov I286_AL, al
mov I286_AH, dl	mov I286_AH, dl
mov dx, ax	mov dx, ax
FLAG_STORE_OF	FLAG_STORE_OF
test dh, dh	test dh, dh
jne divovf	jne divovf
ret	pop eax
align 4	ret
divovf:
INT_NUM(0)	align 4
	divovf: pop esi
	INT_NUM(0)
}	}
}	}

I286 idiv_ea8(void) {	I286 idiv_ea8(void) {

__asm {	__asm {
	push esi
PREPART_EA8(17)	PREPART_EA8(17)
movsx ebp, byte ptr I286_REG[eax]	movsx ebp, byte ptr I286_REG[eax]
GET_NEXTPRE2	GET_NEXTPRE2
jmp idivcheck	jmp idivcheck
MEMORY_EA8(25)	MEMORY_EA8(20)
movsx ebp, byte ptr I286_MEM[ecx]	movsx ebp, byte ptr I286_MEM[ecx]
jmp idivcheck	jmp idivcheck
EXTMEM_EA8	EXTMEM_EA8
movsx ebp, al	movsx ebp, al
align 4
idivcheck:	align 4
test ebp, ebp	idivcheck: test ebp, ebp
je idivovf	je idivovf
mov ax, I286_AX	mov ax, I286_AX
cwd	cwd
idiv bp	idiv bp
mov I286_AL, al	mov I286_AL, al
mov I286_AH, dl	mov I286_AH, dl
mov dx, ax	mov dx, ax
FLAG_STORE_OF	FLAG_STORE_OF
bt dx, 7	bt dx, 7
adc dh, 0	adc dh, 0
jne idivovf	jne idivovf
ret	pop eax
align 4	ret
idivovf:
INT_NUM(0)	align 4
	idivovf: pop esi
	INT_NUM(0)
}	}
}	}

Line 1577 I286 imul_ea16(void) {	Line 1582 I286 imul_ea16(void) {
I286 div_ea16(void) {	I286 div_ea16(void) {

__asm {	__asm {
PREPART_EA16(17)	push esi
	PREPART_EA16(22)
movzx ebp, word ptr I286_REG[eax*2]	movzx ebp, word ptr I286_REG[eax*2]
GET_NEXTPRE2	GET_NEXTPRE2
jmp divcheck	jmp divcheck
Line 1586 I286 div_ea16(void) {	Line 1592 I286 div_ea16(void) {
jmp divcheck	jmp divcheck
EXTMEM_EA16	EXTMEM_EA16
movzx ebp, ax	movzx ebp, ax
align 4
divcheck:	align 4
test ebp, ebp	divcheck: test ebp, ebp
je divovf	je divovf
movzx eax, I286_DX	movzx eax, I286_DX
shl eax, 16	shl eax, 16
mov ax, I286_AX	mov ax, I286_AX
xor edx, edx	xor edx, edx
div ebp	div ebp
mov I286_AX, ax	mov I286_AX, ax
mov I286_DX, dx	mov I286_DX, dx
FLAG_STORE_OF	FLAG_STORE_OF
cmp eax, 10000h	cmp eax, 10000h
jae divovf	jae divovf
ret	pop eax
align 4	ret
divovf:
INT_NUM(0)	align 4
	divovf: pop esi
	INT_NUM(0)
}	}
}	}

I286 idiv_ea16(void) {	I286 idiv_ea16(void) {

__asm {	__asm {
PREPART_EA16(20)	push esi
	PREPART_EA16(25)
movsx ebp, word ptr I286_REG[eax*2]	movsx ebp, word ptr I286_REG[eax*2]
GET_NEXTPRE2	GET_NEXTPRE2
jmp idivcheck	jmp idivcheck
Line 1620 I286 idiv_ea16(void) {	Line 1629 I286 idiv_ea16(void) {
EXTMEM_EA16	EXTMEM_EA16
cwde	cwde
mov ebp, eax	mov ebp, eax
align 4
idivcheck:	align 4
test ebp, ebp	idivcheck: test ebp, ebp
je idivovf	je idivovf
movzx eax, I286_DX	movzx eax, I286_DX
shl eax, 16	shl eax, 16
mov ax, I286_AX	mov ax, I286_AX
cdq	cdq
idiv ebp	idiv ebp
mov I286_AX, ax	mov I286_AX, ax
mov I286_DX, dx	mov I286_DX, dx
mov edx, eax	mov edx, eax
FLAG_STORE_OF	FLAG_STORE_OF
shr edx, 16	shr edx, 16
adc dx, 0	adc dx, 0
jne idivovf	jne idivovf
ret	pop eax
align 4	ret
idivovf:
INT_NUM(0)	align 4
	idivovf: pop esi
	INT_NUM(0)
}	}
}	}

void (*ope0xf6_xtable[])(void) = {	const I286TBL ope0xf6_xtable[8] = {
test_ea8_data8, test_ea8_data8,	test_ea8_data8, test_ea8_data8,
not_ea8, neg_ea8,	not_ea8, neg_ea8,
mul_ea8, imul_ea8,	mul_ea8, imul_ea8,
div_ea8, idiv_ea8};	div_ea8, idiv_ea8};

void (*ope0xf7_xtable[])(void) = {	const I286TBL ope0xf7_xtable[8] = {
test_ea16_data16, test_ea16_data16,	test_ea16_data16, test_ea16_data16,
not_ea16, neg_ea16,	not_ea16, neg_ea16,
mul_ea16, imul_ea16,	mul_ea16, imul_ea16,
Line 1794 I286 call_far_ea16(void) {	Line 1805 I286 call_far_ea16(void) {
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 call_far_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov CS_BASE, eax	call_far_base: mov CS_BASE, eax
RESET_XPREFETCH	RESET_XPREFETCH
ret	ret
align 4
register_eareg16:	call_far_pe: push offset call_far_base
	jmp i286x_selector

	register_eareg16:
INT_NUM(6)	INT_NUM(6)
}	}
}	}
Line 1839 I286 jmp_far_ea16(void) {	Line 1855 I286 jmp_far_ea16(void) {
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 jmp_far_pe
shl eax, 4 // make segreg	shl eax, 4 // make segreg
mov CS_BASE, eax	jmp_far_base: mov CS_BASE, eax
RESET_XPREFETCH	RESET_XPREFETCH
ret	ret
align 4
register_eareg16:	jmp_far_pe: push offset jmp_far_base
	jmp i286x_selector

	register_eareg16:
INT_NUM(6)	INT_NUM(6)
}	}
}	}
Line 1898 I286 pop_ea16(void) {	Line 1919 I286 pop_ea16(void) {
}	}


void (*ope0xfe_xtable[])(void) = {	const I286TBL ope0xfe_xtable[2] = {
inc_ea8, dec_ea8};	inc_ea8, dec_ea8};

void (*ope0xff_xtable[])(void) = {	const I286TBL ope0xff_xtable[8] = {
inc_ea16, dec_ea16,	inc_ea16, dec_ea16,
call_ea16, call_far_ea16,	call_ea16, call_far_ea16,
jmp_ea16, jmp_far_ea16,	jmp_ea16, jmp_far_ea16,

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