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machine/mc68681.cpp: unambiguous xr68c681 control blocks

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This commit is contained in:
angelosa 2024-09-26 20:17:01 +02:00
parent b4d6fa485d
commit ea48cc6cd4
1 changed files with 4 additions and 2 deletions
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6
src/devices/machine/mc68681.cpp
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@ -724,6 +724,7 @@ void sc28c94_device::write(offs_t offset, uint8_t data)
void xr68c681_device::write(offs_t offset, uint8_t data)
{
if (offset == 0x02) /* CRA */
{
switch (data >> 4)
{
case 0x08: /* set RX extend bit */
@ -757,8 +758,9 @@ void xr68c681_device::write(offs_t offset, uint8_t data)
data &= 0x0f;
break;
}
}
else if (offset == 0x0a) /* CRB */
{
switch (data >> 4)
{
case 0x08: /* set RX extend bit */
@ -792,6 +794,7 @@ void xr68c681_device::write(offs_t offset, uint8_t data)
data &= 0x0f;
break;
}
}
mc68681_device::write(offset, data); /* pass on 68681 command */
}
@ -1097,7 +1100,6 @@ int xr68c681_device::calc_baud(int ch, bool rx, uint8_t data)
{
int baud_rate;
baud_rate = baud_rate_ACR_0[data & 0x0f];
if (ch == 0)