static void PREFIX186(_outsw)(i8086_state *cpustate) /* Opcode 0x6f */
{
#ifdef I80286
if (PM && (CPL>IOPL)) throw TRAP(GENERAL_PROTECTION_FAULT, 0);
#endif
ICOUNT -= timing.outs16;
write_port_word(cpustate->regs.w[DX],GetMemW(DS,cpustate->regs.w[SI]));
cpustate->regs.w[SI] += 2 * cpustate->DirVal; /* GOL 11/27/01 */
}
static void PREFIX186(_enter)(void) /* Opcode 0xc8 */
{
unsigned nb = FETCH; unsigned i,level;
nb += FETCH << 8;
level = FETCH;
ICOUNT -= (level == 0) ? cycles.enter0 : (level == 1) ? cycles.enter1 : cycles.enter_base + level * cycles.enter_count;
PUSH(I.regs.w[BP]);
I.regs.w[BP]=I.regs.w[SP];
I.regs.w[SP] -= nb;
for (i=1;i<level;i++)
PUSH(GetMemW(SS,I.regs.w[BP]-i*2));
if (level) PUSH(I.regs.w[BP]);
}
static void PREFIX186(_enter)(i8086_state *cpustate) /* Opcode 0xc8 */
{
unsigned nb = FETCH; unsigned i,level;
nb += FETCH << 8;
level = FETCH;
ICOUNT -= (level == 0) ? timing.enter0 : (level == 1) ? timing.enter1 : timing.enter_base + level * timing.enter_count;
PUSH(cpustate->regs.w[BP]);
cpustate->regs.w[BP]=cpustate->regs.w[SP];
cpustate->regs.w[SP] -= nb;
for (i=1;i<level;i++)
PUSH(GetMemW(SS,cpustate->regs.w[BP]-i*2));
if (level) PUSH(cpustate->regs.w[BP]);
}
static void PREFIX186(_enter)(i8086_state *cpustate) /* Opcode 0xc8 */
{
unsigned nb = FETCH;
unsigned i,level;
UINT16 fp;
nb += FETCH << 8;
#ifdef I80286
level = FETCH & 0x1f;
if(PM) i80286_check_permission(cpustate, SS, cpustate->regs.w[SP]-2-(level*2), 2+(level*2), I80286_WRITE);
#else
level = FETCH;
#endif
ICOUNT -= (level == 0) ? timing.enter0 : (level == 1) ? timing.enter1 : timing.enter_base + level * timing.enter_count;
PUSH(cpustate->regs.w[BP]);
fp = cpustate->regs.w[SP];
for (i=1;i<level;i++)
PUSH(GetMemW(SS,cpustate->regs.w[BP]-i*2));
if (level) PUSH(fp);
cpustate->regs.w[BP] = fp;
cpustate->regs.w[SP] -= nb;
}
static void PREFIX186(_outsw)(void) /* Opcode 0x6f */
{
ICOUNT -= cycles.outs16;
write_port_word(I.regs.w[DX],GetMemW(DS,I.regs.w[SI]));
I.regs.w[SI] += 2 * I.DirVal; /* GOL 11/27/01 */
}
static void PREFIX186(_outsw)(i8086_state *cpustate) /* Opcode 0x6f */
{
ICOUNT -= timing.outs16;
write_port_word(cpustate->regs.w[DX],GetMemW(DS,cpustate->regs.w[SI]));
cpustate->regs.w[SI] += 2 * cpustate->DirVal; /* GOL 11/27/01 */
}
