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Fixed legacy mode on the Winbond W83877F and TF Super I/O chips.

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This commit is contained in:
OBattler
2020-01-11 22:32:57 +01:00
parent 329a38be8f
commit 92e90982a0
1 changed files with 17 additions and 9 deletions
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26
src/sio_w83877f.c
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@@ -11,10 +11,10 @@
* Winbond W83877F Super I/O Chip
* Used by the Award 430HX
*
* Version: @(#)sio_w83877f.c 1.0.15 2019/05/17
* Version: @(#)sio_w83877f.c 1.0.16 2020/01/11
*
* Author: Miran Grca, <mgrca8@gmail.com>
* Copyright 2016-2018 Miran Grca.
* Copyright 2016-2020 Miran Grca.
*/
#include <stdio.h>
#include <stdint.h>
@@ -167,12 +167,21 @@ static void
w83877f_write(uint16_t port, uint8_t val, void *priv)
{
w83877f_t *dev = (w83877f_t *) priv;
uint8_t index = (port & 1) ? 0 : 1;
uint8_t valxor = 0;
uint8_t max = 0x2A;
uint8_t lpt_irq;
if (index) {
if (port == 0x250) {
if (val == dev->key)
dev->locked = 1;
else
dev->locked = 0;
return;
} else if (port == 0x251) {
if (val <= max)
dev->cur_reg = val;
return;
} else if (port == 0x03f0) {
if ((val == dev->key) && !dev->locked) {
if (dev->key_times == 2) {
if (dev->tries) {
@@ -196,7 +205,7 @@ w83877f_write(uint16_t port, uint8_t val, void *priv)
}
}
return;
} else {
} else if ((port == 0x252) || (port == 0x3f1)) {
if (dev->locked) {
if (dev->rw_locked)
return;
@@ -214,7 +223,7 @@ w83877f_write(uint16_t port, uint8_t val, void *priv)
switch (dev->cur_reg) {
case 0:
if (valxor & 0xc0) {
if (valxor & 0x0c) {
lpt1_remove();
if (!(dev->regs[4] & 0x80))
lpt1_init(make_port(dev, 0x23));
@@ -340,12 +349,11 @@ w83877f_read(uint16_t port, void *priv)
{
w83877f_t *dev = (w83877f_t *) priv;
uint8_t ret = 0xff;
uint8_t index = (port & 1) ? 0 : 1;
if (dev->locked) {
if (index)
if ((port == 0x3f0) || (port == 0x251))
ret = dev->cur_reg;
else {
else if ((port == 0x3f1) || (port == 0x252)) {
if (dev->cur_reg == 7)
ret = (fdc_get_rwc(dev->fdc, 0) | (fdc_get_rwc(dev->fdc, 1) << 2));
else if ((dev->cur_reg >= 0x18) || !dev->rw_locked)