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mpc3000: use 16 bit dma (nw)

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Stop driver from crashing now that the V53 dma device supports 16 bit mode. No idea what the dsp is supposed to be doing with dma data, so just cargo-culted the 8 bit handlers.
This commit is contained in:
Patrick Mackinlay 2018-11-04 13:03:27 +07:00
parent 12bcdb5146
commit a669b36f19
2 changed files with 15 additions and 6 deletions
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2
src/devices/sound/l7a1045_l6028_dsp_a.h
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@ -24,6 +24,8 @@ public:
DECLARE_READ8_MEMBER(dma_r_cb);
DECLARE_WRITE8_MEMBER(dma_w_cb);
DECLARE_READ16_MEMBER(dma_r16_cb) { m_voice[0].pos++; return 0; }
DECLARE_WRITE16_MEMBER(dma_w16_cb) { m_voice[0].pos++; }
DECLARE_WRITE_LINE_MEMBER(dma_hreq_cb);
protected:

19
src/mame/drivers/mpc3000.cpp
View File

@ -103,7 +103,8 @@ private:
DECLARE_READ16_MEMBER(dsp_0008_hack_r);
DECLARE_WRITE16_MEMBER(dsp_0008_hack_w);
DECLARE_READ8_MEMBER(dma_memr_cb);
DECLARE_READ16_MEMBER(dma_memr_cb);
DECLARE_WRITE16_MEMBER(dma_memw_cb);
DECLARE_PALETTE_INIT(mpc3000);
};
@ -156,10 +157,15 @@ void mpc3000_state::mpc3000_io_map(address_map &map)
map(0x00f8, 0x00ff).rw("adcexp", FUNC(i8255_device::read), FUNC(i8255_device::write)).umask16(0x00ff);
}
READ8_MEMBER(mpc3000_state::dma_memr_cb)
READ16_MEMBER(mpc3000_state::dma_memr_cb)
{
//logerror("dma_memr_cb: offset %x\n", offset);
return m_maincpu->space(AS_PROGRAM).read_byte(offset);
return m_maincpu->space(AS_PROGRAM).read_word(offset);
}
WRITE16_MEMBER(mpc3000_state::dma_memw_cb)
{
m_maincpu->space(AS_PROGRAM).write_word(offset, data);
}
PALETTE_INIT_MEMBER(mpc3000_state, mpc3000)
@ -174,9 +180,10 @@ void mpc3000_state::mpc3000(machine_config &config)
m_maincpu->set_addrmap(AS_PROGRAM, &mpc3000_state::mpc3000_map);
m_maincpu->set_addrmap(AS_IO, &mpc3000_state::mpc3000_io_map);
m_maincpu->out_hreq_cb().set(m_maincpu, FUNC(v53a_device::hack_w));
m_maincpu->in_memr_cb().set(FUNC(mpc3000_state::dma_memr_cb));
m_maincpu->in_ior_cb<3>().set(m_dsp, FUNC(l7a1045_sound_device::dma_r_cb));
m_maincpu->out_iow_cb<3>().set(m_dsp, FUNC(l7a1045_sound_device::dma_w_cb));
m_maincpu->in_mem16r_cb().set(FUNC(mpc3000_state::dma_memr_cb));
m_maincpu->out_mem16w_cb().set(FUNC(mpc3000_state::dma_memw_cb));
m_maincpu->in_io16r_cb<3>().set(m_dsp, FUNC(l7a1045_sound_device::dma_r16_cb));
m_maincpu->out_io16w_cb<3>().set(m_dsp, FUNC(l7a1045_sound_device::dma_w16_cb));
hc259_device &loledlatch(HC259(config, "loledlatch"));
loledlatch.q_out_cb<0>().set_output("led0").invert(); // Edit Loop