static void write_p64(Bitu port,Bitu val,Bitu iolen) {
switch (val) {
case 0xae: /* Activate keyboard */
keyb.active=true;
if (keyb.used && !keyb.scheduled && !keyb.p60changed) {
keyb.scheduled=true;
PIC_AddEvent(KEYBOARD_TransferBuffer,KEYDELAY);
}
LOG(LOG_KEYBOARD,LOG_NORMAL)("Activated");
break;
case 0xad: /* Deactivate keyboard */
keyb.active=false;
LOG(LOG_KEYBOARD,LOG_NORMAL)("De-Activated");
break;
case 0xd0: /* Outport on buffer */
KEYBOARD_SetPort60(MEM_A20_Enabled() ? 0x02 : 0);
break;
case 0xd1: /* Write to outport */
keyb.command=CMD_SETOUTPORT;
break;
default:
LOG(LOG_KEYBOARD,LOG_ERROR)("Port 64 write with val %d",val);
break;
}
}
static void write_p64(Bitu port,Bitu val,Bitu iolen) {
switch (val) {
case 0xae: /* Activate keyboard */
keyb.active=true;
if (keyb.used && !keyb.scheduled && !keyb.p60changed) {
keyb.scheduled=true;
KEYBOARD_TransferBuffer(0);
//PIC_AddEvent(KEYBOARD_TransferBuffer,KEYDELAY);
}
LOG(LOG_KEYBOARD,LOG_NORMAL)("Activated");
break;
case 0xad: /* Deactivate keyboard */
keyb.active=false;
LOG(LOG_KEYBOARD,LOG_NORMAL)("De-Activated");
break;
case 0xc0: // read config jumpers
KEYBOARD_SetPort60(x86_get_jumpers());
break;
case 0xd0: /* Outport on buffer */
KEYBOARD_SetPort60(MEM_A20_Enabled() ? 0x02 : 0);
break;
case 0xd1: /* Write to outport */
keyb.command=CMD_SETOUTPORT;
break;
case 0xaa:
KEYBOARD_SetPort60(0x55);
break;
case 0xe0:
// bit 0 = clock line state, 1 = data line state
KEYBOARD_SetPort60((keyb.outport & 30) ? 2 : 3);
break;
case 0xfe: // pulse reset pin
case 0xfc:
case 0xfa:
case 0xf8:
case 0xf6:
case 0xf4:
case 0xf2:
case 0xf0:
x86_init_reset();
break;
default:
LOG(LOG_KEYBOARD,LOG_ERROR)("Port 64 write with val %d",val);
break;
}
}
static void KEYBOARD_TransferBuffer(Bitu val) {
/* 8042 responses take priority over the keyboard */
if (keyb.enable_aux && keyb.buf8042_len != 0) {
KEYBOARD_SetPort60(keyb.buf8042[keyb.buf8042_pos]);
if (++keyb.buf8042_pos >= keyb.buf8042_len)
keyb.buf8042_len = keyb.buf8042_pos = 0;
return;
}
keyb.scheduled=false;
if (!keyb.used) {
LOG(LOG_KEYBOARD,LOG_NORMAL)("Transfer started with empty buffer");
return;
}
KEYBOARD_SetPort60(keyb.buffer[keyb.pos]);
if (++keyb.pos>=KEYBUFSIZE) keyb.pos-=KEYBUFSIZE;
keyb.used--;
}
static void KEYBOARD_TransferBuffer(Bitu val) {
keyb.scheduled=false;
if (!keyb.used) {
LOG(LOG_KEYBOARD,LOG_NORMAL)("Transfer started with empty buffer");
return;
}
KEYBOARD_SetPort60(keyb.buffer[keyb.pos]);
if (++keyb.pos>=KEYBUFSIZE) keyb.pos-=KEYBUFSIZE;
keyb.used--;
}
static void write_p64(Bitu port,Bitu val,Bitu iolen) {
if (keyb.reset)
return;
switch (val) {
case 0x20: /* read command byte */
/* TODO: If biosps2=true and aux=false, mask AUX port bits as if AUX isn't there */
KEYBOARD_Add8042Response(
(keyb.cb_xlat << 6) | ((!keyb.auxactive) << 5) |
((!keyb.active) << 4) | (keyb.cb_sys << 2) |
(keyb.cb_irq12 << 1) | (keyb.cb_irq1?1:0));
break;
case 0x60:
keyb.command=CMD_SETCOMMAND;
break;
case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97:
case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f:
/* TODO: If bit 0 == 0, trigger system reset */
break;
case 0xa7: /* disable aux */
/* TODO: If biosps2=true and aux=false do not respond */
if (keyb.enable_aux) {
//keyb.auxactive=false;
//LOG(LOG_KEYBOARD,LOG_NORMAL)("AUX De-Activated");
}
break;
case 0xa8: /* enable aux */
/* TODO: If biosps2=true and aux=false do not respond */
if (keyb.enable_aux) {
keyb.auxactive=true;
if (keyb.used && !keyb.scheduled && !keyb.p60changed) {
keyb.scheduled=true;
PIC_AddEvent(KEYBOARD_TransferBuffer,KEYDELAY);
}
LOG(LOG_KEYBOARD,LOG_NORMAL)("AUX Activated");
}
break;
case 0xa9: /* mouse interface test */
/* TODO: If biosps2=true and aux=false do not respond */
KEYBOARD_Add8042Response(0x00); /* OK */
break;
case 0xaa: /* Self test */
keyb.active=false; /* on real h/w it also seems to disable the keyboard */
KEYBOARD_Add8042Response(0xaa); /* OK */
break;
case 0xab: /* interface test */
keyb.active=false; /* on real h/w it also seems to disable the keyboard */
KEYBOARD_Add8042Response(0x00); /* no error */
break;
case 0xae: /* Activate keyboard */
keyb.active=true;
if (keyb.used && !keyb.scheduled && !keyb.p60changed) {
keyb.scheduled=true;
PIC_AddEvent(KEYBOARD_TransferBuffer,KEYDELAY);
}
LOG(LOG_KEYBOARD,LOG_NORMAL)("Activated");
break;
case 0xad: /* Deactivate keyboard */
keyb.active=false;
LOG(LOG_KEYBOARD,LOG_NORMAL)("De-Activated");
break;
case 0xc0: /* read input buffer */
KEYBOARD_Add8042Response(0x40);
break;
case 0xd0: /* Outport on buffer */
KEYBOARD_SetPort60((MEM_A20_Enabled() ? 0x02 : 0) | 0x01/*some programs read the output port then write it back*/);
break;
case 0xd1: /* Write to outport */
keyb.command=CMD_SETOUTPORT;
break;
case 0xd2: /* write output register */
keyb.command=CMD_WRITEOUTPUT;
break;
case 0xd3: /* write AUX output */
if (keyb.enable_aux)
keyb.command=CMD_WRITEAUXOUT;
else if (aux_warning++ == 0)
LOG(LOG_KEYBOARD,LOG_ERROR)("Program is writing 8042 AUX. If you intend to use PS/2 mouse emulation you may consider adding aux=1 to your dosbox.conf");
break;
case 0xd4: /* send byte to AUX */
if (keyb.enable_aux)
keyb.command=CMD_WRITEAUX;
else if (aux_warning++ == 0)
LOG(LOG_KEYBOARD,LOG_ERROR)("Program is writing 8042 AUX. If you intend to use PS/2 mouse emulation you may consider adding aux=1 to your dosbox.conf");
break;
case 0xe0: /* read test port */
KEYBOARD_Add8042Response(0x00);
break;
case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7:
case 0xf8: case 0xf9: case 0xfa: case 0xfb: case 0xfc: case 0xfd: case 0xfe: case 0xff:
/* pulse output register */
if (!(val & 1)) {
if (allow_keyb_reset) {
LOG_MSG("Restart by keyboard controller requested\n");
On_Software_CPU_Reset();
}
else {
LOG_MSG("WARNING: Keyboard output port written (pulsed) with bit 1 clear. Is the guest OS or application attempting to reset the system?\n");
}
}
break;
default:
LOG(LOG_KEYBOARD,LOG_ERROR)("Port 64 write with val %d",(int)val);
break;
}
}