np2/i286x/i286x.cpp - diff

Return to i286x.cpp CVS log

Up to [RetroPC.NET] / np2 / i286x

Diff for /np2/i286x/i286x.cpp between versions 1.15 and 1.18

version 1.15, 2004/01/10 17:24:01	version 1.18, 2004/01/29 00:27:29
Line 57 void i286x_initialize(void) {	Line 57 void i286x_initialize(void) {
v30xinit();	v30xinit();
}	}

	void i286x_deinitialize(void) {

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

static void i286x_initreg(void) {	static void i286x_initreg(void) {

I286_CS = 0xf000;	I286_CS = 0xf000;
Line 78 void i286x_shut(void) {	Line 87 void i286x_shut(void) {
i286x_initreg();	i286x_initreg();
}	}

	void i286x_setextsize(UINT32 size) {

	if (CPU_EXTMEMSIZE != size) {
	if (CPU_EXTMEM) {
	_MFREE(CPU_EXTMEM);
	CPU_EXTMEM = NULL;
	}
	if (size) {
	CPU_EXTMEM = (BYTE *)_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) {

	BYTE *ptr;

	frame &= 3;
	if (addr < USE_HIMEM) {
	ptr = mem + addr;
	}
	else if ((addr - 0x100000 + 0x4000) <= CPU_EXTMEMSIZE) {
	ptr = CPU_EXTMEM + (addr - 0x100000);
	}
	else {
	ptr = mem + 0xc0000 + (frame << 14);
	}
	i286core.e.ems[frame] = ptr;
	}


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

Line 2714 I286 _popf(void) { // 9D: popf	Line 2761 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
jne nextop
mov al, pic.pi[0].imr	mov al, pic.pi[0].imr
mov ah, pic.pi[1].imr	mov ah, pic.pi[1].imr
not ax	not ax
Line 3612 I286 _into(void) { // CE: into	Line 3657 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 3642 I286 _iret(void) { // CF: iret	Line 3686 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
jne nextop
mov al, pic.pi[0].imr	mov al, pic.pi[0].imr
mov ah, pic.pi[1].imr	mov ah, pic.pi[1].imr
not ax	not ax
Line 4226 I286 _sti(void) { // FB: sti	Line 4268 I286 _sti(void) { // FB: sti
setne I286_TRAP	setne I286_TRAP

jne nextopandexit // fast_intr	jne nextopandexit // fast_intr
cmp pic.ext_irq, 0
jne jmp_nextop
mov al, pic.pi[0].imr	mov al, pic.pi[0].imr
mov ah, pic.pi[1].imr	mov ah, pic.pi[1].imr
not ax	not ax

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

Removed from v.1.15
changed lines
	Added in v.1.18