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Merge pull request #20 from shattered/_2a8a61a

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isa_hdc: ec1841 compatibility
This commit is contained in:
Miodrag Milanović 2014-10-27 08:37:15 +01:00
commit 1843c0d532
1 changed files with 10 additions and 3 deletions
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13
src/emu/bus/isa/hdc.c
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@ -749,7 +749,12 @@ void isa8_hdc_device::pc_hdc_data_w(int data)
logerror("hdc_data_w $%02x\n", data);
*buffer_ptr++ = data;
status |= STA_READY;
// XXX ec1841 wants this
if (buffer[0] == CMD_SETPARAM && data_cnt == 9) {
status &= ~STA_READY;
} else {
status |= STA_READY;
}
if (--data_cnt == 0)
{
if (LOG_HDC_STATUS)
@ -758,8 +763,7 @@ void isa8_hdc_device::pc_hdc_data_w(int data)
status &= ~STA_COMMAND;
status &= ~STA_REQUEST;
status &= ~STA_READY;
status |= STA_INPUT;
status &= ~STA_INPUT;
timer->adjust(attotime::from_msec(1),0);
}
}
@ -851,6 +855,9 @@ UINT8 isa8_hdc_device::pc_hdc_status_r()
UINT8 isa8_hdc_device::pc_hdc_dipswitch_r()
{
status |= STA_READY; // XXX
if (LOG_HDC_STATUS)
logerror("%s: pc_hdc_dipswitch_r: status $%02X\n", machine().describe_context(), status);
return dip;
}