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Added FDC enable/disable to the SMC FDC73C66x family of Super I/O chips.

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This commit is contained in:
OBattler
2020-01-11 22:32:19 +01:00
parent 6cfa5c5c04
commit 329a38be8f
1 changed files with 21 additions and 5 deletions
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26
src/sio_fdc37c66x.c
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@@ -9,13 +9,13 @@
* Implementation of the SMC FDC37C663 and FDC37C665 Super
* I/O Chips.
*
* Version: @(#)sio_fdc37c66x.c 1.0.14 2018/11/12
* Version: @(#)sio_fdc37c66x.c 1.0.15 2020/01/11
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
*
* Copyright 2008-2018 Sarah Walker.
* Copyright 2016-2018 Miran Grca.
* Copyright 2008-2020 Sarah Walker.
* Copyright 2016-2020 Miran Grca.
*/
#include <stdio.h>
#include <stdint.h>
@@ -129,7 +129,17 @@ lpt1_handler(fdc37c66x_t *dev)
}
static void fdc37c66x_write(uint16_t port, uint8_t val, void *priv)
static void
fdc_handler(fdc37c66x_t *dev)
{
fdc_remove(dev->fdc);
if (dev->regs[0] & 0x10)
fdc_set_base(dev->fdc, (dev->regs[5] & 0x01) ? 0x0370 : 0x03f0);
}
static void
fdc37c66x_write(uint16_t port, uint8_t val, void *priv)
{
fdc37c66x_t *dev = (fdc37c66x_t *) priv;
uint8_t valxor = 0;
@@ -148,6 +158,10 @@ static void fdc37c66x_write(uint16_t port, uint8_t val, void *priv)
dev->regs[dev->cur_reg] = val;
switch(dev->cur_reg) {
case 0:
if (valxor & 0x10)
fdc_handler(dev);
break;
case 1:
if (valxor & 3)
lpt1_handler(dev);
@@ -173,7 +187,9 @@ static void fdc37c66x_write(uint16_t port, uint8_t val, void *priv)
if (valxor & 2)
fdc_update_enh_mode(dev->fdc, (dev->regs[3] & 2) ? 1 : 0);
break;
case 5:
case 5:
if (valxor & 0x01)
fdc_handler(dev);
if (valxor & 0x18)
fdc_update_densel_force(dev->fdc, (dev->regs[5] & 0x18) >> 3);
if (valxor & 0x20)