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pcd: remove now unnecessary hack (nw)

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This commit is contained in:
cracyc 2019-02-13 08:10:04 -06:00
parent 590431adc9
commit 3eac3a22ee
1 changed files with 0 additions and 14 deletions
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14
src/mame/drivers/pcd.cpp
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@ -50,7 +50,6 @@ public:
, m_scsi_data_out(*this, "scsi_data_out")
, m_scsi_data_in(*this, "scsi_data_in")
, m_ram(*this, "ram")
, m_req_hack(nullptr)
{ }
void pcx(machine_config &config);
@ -93,7 +92,6 @@ private:
// driver_device overrides
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
required_device<i80186_cpu_device> m_maincpu;
required_device<pic8259_device> m_pic1;
@ -108,7 +106,6 @@ private:
required_device<ram_device> m_ram;
uint8_t m_stat, m_led;
int m_msg, m_bsy, m_io, m_cd, m_req, m_rst;
emu_timer *m_req_hack;
uint16_t m_dskctl;
struct {
uint16_t ctl;
@ -125,16 +122,8 @@ private:
// MACHINE EMULATION
//**************************************************************************
void pcd_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
// TODO: remove this hack
if(m_req)
m_maincpu->drq0_w(1);
}
void pcd_state::machine_start()
{
m_req_hack = timer_alloc();
save_item(NAME(m_mmu.ctl));
save_item(NAME(m_mmu.regs));
}
@ -377,7 +366,6 @@ WRITE_LINE_MEMBER(pcd_state::write_scsi_req)
if(!m_cd)
{
m_maincpu->drq0_w(1);
m_req_hack->adjust(attotime::from_msec(10)); // poke the dmac
}
else if(m_msg)
{
@ -387,8 +375,6 @@ WRITE_LINE_MEMBER(pcd_state::write_scsi_req)
}
else
{
if(m_req_hack) // this might be called before machine_start
m_req_hack->adjust(attotime::never);
m_scsi->write_ack(0);
}
check_scsi_irq();