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Fix VT82C686 Super I/O configuration enable bit

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This commit is contained in:
RichardG867
2020-12-16 20:17:16 -03:00
parent 12dc38ac5d
commit 1068519960
1 changed files with 6 additions and 14 deletions
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16
src/sio/sio_vt82c686.c
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@@ -33,8 +33,7 @@
typedef struct { typedef struct {
uint8_t config_enable, cur_reg, regs[32], uint8_t cur_reg, regs[32], fdc_dma, fdc_irq, uart_irq[2], lpt_dma, lpt_irq;
fdc_dma, fdc_irq, uart_irq[2], lpt_dma, lpt_irq;
fdc_t *fdc; fdc_t *fdc;
serial_t *uart[2]; serial_t *uart[2];
} vt82c686_t; } vt82c686_t;
@@ -101,9 +100,6 @@ vt82c686_write(uint16_t port, uint8_t val, void *priv)
{ {
vt82c686_t *dev = (vt82c686_t *) priv; vt82c686_t *dev = (vt82c686_t *) priv;
if (!dev->config_enable)
return;
if (!(port & 1)) { if (!(port & 1)) {
dev->cur_reg = val; dev->cur_reg = val;
return; return;
@@ -196,13 +192,9 @@ vt82c686_sio_write(uint8_t addr, uint8_t val, void *priv)
break; break;
case 0x85: case 0x85:
io_removehandler(0x3f0, 0x0002, io_removehandler(0x3f0, 2, vt82c686_read, NULL, NULL, vt82c686_write, NULL, NULL, dev);
vt82c686_read, NULL, NULL, vt82c686_write, NULL, NULL, dev); if (val & 0x02)
if (val & 0x01) io_sethandler(0x3f0, 2, vt82c686_read, NULL, NULL, vt82c686_write, NULL, NULL, dev);
io_sethandler(0x3f0, 0x0002,
vt82c686_read, NULL, NULL, vt82c686_write, NULL, NULL, dev);
dev->config_enable = val & 0x02;
break; break;
} }
} }