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Clean up VT82C686 Super I/O register writes

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This commit is contained in:
RichardG867
2020-10-30 17:08:14 -03:00
parent 9604edb72d
commit 5c66a6d0d6
1 changed files with 3 additions and 10 deletions
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13
src/sio/sio_vt82c686.c
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@@ -104,12 +104,12 @@ vt82c686_write(uint16_t port, uint8_t val, void *priv)
if (!dev->config_enable) if (!dev->config_enable)
return; return;
/* NOTE: Registers are [0xE0:0xFF] but we store them as [0x00:0x1F]. */
if (!(port & 1)) { if (!(port & 1)) {
dev->cur_reg = val; dev->cur_reg = val;
return; return;
} }
/* NOTE: Registers are [0xE0:0xFF] but we store them as [0x00:0x1F]. */
if (dev->cur_reg < 0xe0) if (dev->cur_reg < 0xe0)
return; return;
uint8_t reg = dev->cur_reg & 0x1f; uint8_t reg = dev->cur_reg & 0x1f;
@@ -119,9 +119,10 @@ vt82c686_write(uint16_t port, uint8_t val, void *priv)
(reg == 0x13) || (reg == 0x15) || (reg == 0x17) || (reg >= 0x19)) (reg == 0x13) || (reg == 0x15) || (reg == 0x17) || (reg >= 0x19))
return; return;
dev->regs[reg] = val;
switch (reg) { switch (reg) {
case 0x02: case 0x02:
dev->regs[reg] = val;
vt82c686_lpt_handler(dev); vt82c686_lpt_handler(dev);
vt82c686_serial_handler(dev, 0); vt82c686_serial_handler(dev, 0);
vt82c686_serial_handler(dev, 1); vt82c686_serial_handler(dev, 1);
@@ -129,28 +130,20 @@ vt82c686_write(uint16_t port, uint8_t val, void *priv)
break; break;
case 0x03: case 0x03:
dev->regs[reg] = val;
vt82c686_fdc_handler(dev); vt82c686_fdc_handler(dev);
break; break;
case 0x06: case 0x06:
dev->regs[reg] = val;
vt82c686_lpt_handler(dev); vt82c686_lpt_handler(dev);
break; break;
case 0x07: case 0x07:
dev->regs[reg] = val;
vt82c686_serial_handler(dev, 0); vt82c686_serial_handler(dev, 0);
break; break;
case 0x08: case 0x08:
dev->regs[reg] = val;
vt82c686_serial_handler(dev, 1); vt82c686_serial_handler(dev, 1);
break; break;
default:
dev->regs[reg] = val;
break;
} }
} }