static void PREFIX186(_outsw)(void) /* Opcode 0x6f */
{
ICOUNT -= cycles.outs16;
write_port(I.regs.w[DX],GetMemB(DS,I.regs.w[SI]));
write_port(I.regs.w[DX]+1,GetMemB(DS,I.regs.w[SI]+1));
I.regs.w[SI] += 2 * I.DirVal; /* GOL 11/27/01 */
}
static unsigned disassemble(unsigned seg, unsigned off, int count)
{
char buffer1[80];
char buffer2[80];
char buffer3[3];
unsigned newoff;
for (; !debug_abort && count > 0; count--)
{
do
{
printf("%04X:%04X ", seg, off);
buffer1[0] = '\0';
newoff = disasm(seg, off, buffer1);
buffer2[0] = '\0';
for (; off < newoff; off++)
{
sprintf(buffer3,"%02X", GetMemB(&memory[seg << 4], off));
strcat(buffer2,buffer3);
}
printf("%-14s%s\n", buffer2,buffer1);
} while (disasm_table[instruction_byte].flags & DF_PREFIX);
}
return off;
}
static unsigned decode_f7(BYTE *seg, unsigned off, char *buf)
{
unsigned ModRM = GetMemB(seg, off);
if ((ModRM & 0x38) == 0x00)
return decode_wd16(seg, off, buf);
return decode_w(seg, off, buf);
}
static void PREFIX186(_outsb)(i8086_state *cpustate) /* Opcode 0x6e */
{
#ifdef I80286
if (PM && (CPL>IOPL)) throw TRAP(GENERAL_PROTECTION_FAULT, 0);
#endif
ICOUNT -= timing.outs8;
write_port_byte(cpustate->regs.w[DX],GetMemB(DS,cpustate->regs.w[SI]));
cpustate->regs.w[SI] += cpustate->DirVal; /* GOL 11/27/01 */
}
static unsigned decode_ff(BYTE *seg, unsigned off, char *buf)
{
unsigned ModRM = (GetMemB(seg, off) & 0x38) >> 3;
if (ModRM == 3 || ModRM == 5)
return decode_far_ind(seg, off, buf);
return decode_w(seg, off, buf);
}
static unsigned hexdump(unsigned seg, unsigned off, unsigned count)
{
char bytes[3*16+1];
char ascii[16+1];
char *byteptr, *asciiptr;
unsigned startpos,i;
BYTE *segp;
BYTE ch;
segp = &memory[seg << 4];
while (!debug_abort && count > 0)
{
startpos = off & 0xf;
byteptr = bytes;
asciiptr = ascii;
printf("%04X:%04X ", seg, off & 0xfff0);
for (i = off & 0x0f; count>0 && i<0x10; i++, off=(WORD)(off+1),count--)
{
ch = GetMemB(segp, off);
sprintf(byteptr, "%c%02X", i == 8 ? '-' : ' ', ch);
sprintf(asciiptr, "%c", ch < 32 || ch > 126 ? '.' : ch);
byteptr += 3;
asciiptr++;
if ((WORD)(off+1) < off)
{
debug_abort = TRUE;
break;
}
}
for (i = 0; i < startpos; i++)
printf(" ");
printf("%s", bytes);
if (off & 0xf)
for (i = 16-(off & 0xf); i > 0; i--)
printf(" ");
for (i = 0; i < startpos; i++)
printf(" ");
printf(" %s\n", ascii);
}
return off;
}
static unsigned decode_bioscall(BYTE *seg, unsigned off, char *buf)
{
unsigned addr;
if (GetMemB(seg, off) == 0xf1)
{
off = (WORD)(off + 1);
addr = GetMemInc(seg, off);
addr += GetMemInc(seg, off) << 8;
addr += GetMemInc(seg, off) << 16;
addr += GetMemInc(seg, off) << 24;
sprintf(buf, "bios %08X",addr);
}
else
sprintf(buf, "db F1");
return off;
}
static void PREFIX186(_outsb)(void) /* Opcode 0x6e */
{
ICOUNT -= cycles.outs8;
write_port_byte(I.regs.w[DX],GetMemB(DS,I.regs.w[SI]));
I.regs.w[SI] += I.DirVal; /* GOL 11/27/01 */
}
static void PREFIX186(_outsb)(i8086_state *cpustate) /* Opcode 0x6e */
{
ICOUNT -= timing.outs8;
write_port_byte(cpustate->regs.w[DX],GetMemB(DS,cpustate->regs.w[SI]));
cpustate->regs.w[SI] += cpustate->DirVal; /* GOL 11/27/01 */
}
static void print_instruction(BYTE *seg, unsigned off, int *tab, char *buf)
{
unsigned ModRM = GetMemB(seg,off);
sprintf(buf, "%-6s ", itext[tab[(ModRM & 0x38) >> 3]]);
}
