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cleanups. nw.

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This commit is contained in:
Fabio Priuli 2013-03-05 06:50:37 +00:00
parent e73193344f
commit 5b4e26f4fb
1 changed files with 88 additions and 106 deletions
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194
src/mess/drivers/snes.c
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@ -108,52 +108,54 @@ void st010_write_ram(snes_state *state, UINT16 addr, UINT8 data)
static READ8_HANDLER( snes_lo_r )
{
snes_state *state = space.machine().driver_data<snes_state>();
UINT16 address = offset & 0xffff;
// take care of add-on chip access
if (state->m_has_addon_chip == HAS_OBC1
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
&& (offset < 0x400000 && address >= 0x6000 && address < 0x8000))
return obc1_read(space, offset, mem_mask);
if (state->m_has_addon_chip == HAS_CX4
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
return CX4_read((offset & 0xffff) - 0x6000);
&& (offset < 0x400000 && address >= 0x6000 && address < 0x8000))
return CX4_read(address - 0x6000);
if (state->m_has_addon_chip == HAS_RTC
&& (offset < 0x400000 && ((offset & 0xffff) == 0x2800 || (offset & 0xffff) == 0x2801)))
&& (offset < 0x400000 && (address == 0x2800 || address == 0x2801)))
return srtc_read(space, offset);
if (state->m_has_addon_chip == HAS_ST010 || state->m_has_addon_chip == HAS_ST011)
{
if (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x1000)
return st010_read_ram(state, (offset & 0xffff));
if (offset >= 0x680000 && offset < 0x700000 && address < 0x1000)
return st010_read_ram(state, address);
if (offset == 0x600000 || offset == 0x600001)
return (offset & 1) ? st010_get_sr() : st010_get_dr();
}
if (state->m_cart[0].mode == SNES_MODE_21 && state->m_has_addon_chip == HAS_DSP1
&& (offset < 0x200000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
return ((offset & 0xffff) < 0x7000) ? dsp_get_dr() : dsp_get_sr();
&& (offset < 0x200000 && address >= 0x6000 && address < 0x8000))
return (address < 0x7000) ? dsp_get_dr() : dsp_get_sr();
if (state->m_cart[0].mode == SNES_MODE_20 && state->m_has_addon_chip == HAS_DSP1)
{
if (offset >= 0x200000 && offset < 0x400000 && (offset & 0x8000) == 0x8000)
return ((offset & 0xffff) < 0xc000) ? dsp_get_dr() : dsp_get_sr();
return (address < 0xc000) ? dsp_get_dr() : dsp_get_sr();
if (offset >= 0x600000 && offset < 0x700000 && (offset & 0x8000) == 0x0000)
return ((offset & 0xffff) < 0x4000) ? dsp_get_dr() : dsp_get_sr();
return (address < 0x4000) ? dsp_get_dr() : dsp_get_sr();
}
if ((state->m_has_addon_chip == HAS_DSP2 || state->m_has_addon_chip == HAS_DSP3)
&& (offset >= 0x200000 && offset < 0x400000 && (offset & 0x8000) == 0x8000))
return ((offset & 0xffff) < 0xc000) ? dsp_get_dr() : dsp_get_sr();
return (address < 0xc000) ? dsp_get_dr() : dsp_get_sr();
if (state->m_has_addon_chip == HAS_DSP4
&& (offset >= 0x300000 && offset < 0x400000 && (offset & 0x8000) == 0x8000))
return ((offset & 0xffff) < 0xc000) ? dsp_get_dr() : dsp_get_sr();
return (address < 0xc000) ? dsp_get_dr() : dsp_get_sr();
if (state->m_has_addon_chip == HAS_SDD1
&& (offset < 0x400000 && (offset & 0xffff) >= 0x4800 && (offset & 0xffff) < 0x4808))
return sdd1_mmio_read(space, (UINT32)(offset & 0xffff));
&& (offset < 0x400000 && address >= 0x4800 && address < 0x4808))
return sdd1_mmio_read(space, (UINT32)address);
if ((state->m_has_addon_chip == HAS_SPC7110 || state->m_has_addon_chip == HAS_SPC7110_RTC)
&& offset < 0x400000)
{
UINT16 limit = (state->m_has_addon_chip == HAS_SPC7110_RTC) ? 0x4842 : 0x483f;
if ((offset & 0xffff) >= 0x4800 && (offset & 0xffff) <= limit)
return spc7110_mmio_read(space, (UINT32)(offset & 0xffff));
if (offset < 0x10000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)
return snes_ram[0x306000 + (offset & 0x1fff)];
if (offset >= 0x300000 && offset < 0x310000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)
return snes_ram[0x306000 + (offset & 0x1fff)];
if (address >= 0x4800 && address <= limit)
return spc7110_mmio_read(space, (UINT32)address);
if (offset < 0x10000 && address >= 0x6000 && address < 0x8000)
return snes_ram[0x306000 + (address & 0x1fff)];
if (offset >= 0x300000 && offset < 0x310000 && address >= 0x6000 && address < 0x8000)
return snes_ram[0x306000 + (address & 0x1fff)];
}
if ((state->m_has_addon_chip == HAS_SPC7110 || state->m_has_addon_chip == HAS_SPC7110_RTC)
&& offset >= 0x500000 && offset < 0x510000)
@ -175,54 +177,56 @@ static READ8_HANDLER( snes_lo_r )
static READ8_HANDLER( snes_hi_r )
{
snes_state *state = space.machine().driver_data<snes_state>();
UINT16 address = offset & 0xffff;
// take care of add-on chip access
if (state->m_has_addon_chip == HAS_OBC1
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
&& (offset < 0x400000 && address >= 0x6000 && address < 0x8000))
return obc1_read(space, offset, mem_mask);
if (state->m_has_addon_chip == HAS_CX4
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
return CX4_read((offset & 0xffff) - 0x6000);
&& (offset < 0x400000 && address >= 0x6000 && address < 0x8000))
return CX4_read(address - 0x6000);
if (state->m_has_addon_chip == HAS_RTC
&& (offset < 0x400000 && ((offset & 0xffff) == 0x2800 || (offset & 0xffff) == 0x2801)))
&& (offset < 0x400000 && (address == 0x2800 || address == 0x2801)))
return srtc_read(space, offset);
if (state->m_has_addon_chip == HAS_ST010 || state->m_has_addon_chip == HAS_ST011)
{
if (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x1000)
return st010_read_ram(state, (offset & 0xffff));
if (offset >= 0x680000 && offset < 0x700000 && address < 0x1000)
return st010_read_ram(state, address);
if (offset == 0x600000 || offset == 0x600001)
return (offset & 1) ? st010_get_sr() : st010_get_dr();
}
if (state->m_cart[0].mode == SNES_MODE_21 && state->m_has_addon_chip == HAS_DSP1
&& (offset < 0x200000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
return ((offset & 0xffff) < 0x7000) ? dsp_get_dr() : dsp_get_sr();
&& (offset < 0x200000 && address >= 0x6000 && address < 0x8000))
return (address < 0x7000) ? dsp_get_dr() : dsp_get_sr();
if (state->m_cart[0].mode == SNES_MODE_20 && state->m_has_addon_chip == HAS_DSP1)
{
if (offset >= 0x200000 && offset < 0x400000 && (offset & 0x8000) == 0x8000)
return ((offset & 0xffff) < 0xc000) ? dsp_get_dr() : dsp_get_sr();
return (address < 0xc000) ? dsp_get_dr() : dsp_get_sr();
if (offset >= 0x600000 && offset < 0x700000 && (offset & 0x8000) == 0x0000)
return ((offset & 0xffff) < 0x4000) ? dsp_get_dr() : dsp_get_sr();
return (address < 0x4000) ? dsp_get_dr() : dsp_get_sr();
}
if ((state->m_has_addon_chip == HAS_DSP2 || state->m_has_addon_chip == HAS_DSP3)
&& (offset >= 0x200000 && offset < 0x400000 && (offset & 0x8000) == 0x8000))
return ((offset & 0xffff) < 0xc000) ? dsp_get_dr() : dsp_get_sr();
return (address < 0xc000) ? dsp_get_dr() : dsp_get_sr();
if (state->m_has_addon_chip == HAS_DSP4
&& (offset >= 0x300000 && offset < 0x400000 && (offset & 0x8000) == 0x8000))
return ((offset & 0xffff) < 0xc000) ? dsp_get_dr() : dsp_get_sr();
return (address < 0xc000) ? dsp_get_dr() : dsp_get_sr();
if (state->m_has_addon_chip == HAS_SDD1
&& (offset < 0x400000 && (offset & 0xffff) >= 0x4800 && (offset & 0xffff) < 0x4808))
return sdd1_mmio_read(space, (UINT32)(offset & 0xffff));
&& (offset < 0x400000 && address >= 0x4800 && address < 0x4808))
return sdd1_mmio_read(space, (UINT32)address);
if (state->m_has_addon_chip == HAS_SDD1 && offset >= 0x400000)
return sdd1_read(space.machine(), offset - 0x400000);
if ((state->m_has_addon_chip == HAS_SPC7110 || state->m_has_addon_chip == HAS_SPC7110_RTC)
&& offset < 0x400000)
{
UINT16 limit = (state->m_has_addon_chip == HAS_SPC7110_RTC) ? 0x4842 : 0x483f;
if ((offset & 0xffff) >= 0x4800 && (offset & 0xffff) <= limit)
return spc7110_mmio_read(space, (UINT32)(offset & 0xffff));
if (offset < 0x10000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)
return snes_ram[0x306000 + (offset & 0x1fff)];
if (offset >= 0x300000 && offset < 0x310000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)
return snes_ram[0x306000 + (offset & 0x1fff)];
if (address >= 0x4800 && address <= limit)
return spc7110_mmio_read(space, (UINT32)address);
if (offset < 0x10000 && address >= 0x6000 && address < 0x8000)
return snes_ram[0x306000 + (address & 0x1fff)];
if (offset >= 0x300000 && offset < 0x310000 && address >= 0x6000 && address < 0x8000)
return snes_ram[0x306000 + (address & 0x1fff)];
}
if ((state->m_has_addon_chip == HAS_SPC7110 || state->m_has_addon_chip == HAS_SPC7110_RTC)
&& offset >= 0x500000)
@ -238,40 +242,30 @@ static READ8_HANDLER( snes_hi_r )
static WRITE8_HANDLER( snes_lo_w )
{
snes_state *state = space.machine().driver_data<snes_state>();
UINT16 address = offset & 0xffff;
// take care of add-on chip access
if (state->m_has_addon_chip == HAS_OBC1
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
{
obc1_write(space, offset, data, mem_mask);
return;
}
&& (offset < 0x400000 && address >= 0x6000 && address < 0x8000))
{ obc1_write(space, offset, data, mem_mask); return; }
if (state->m_has_addon_chip == HAS_CX4
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
{
CX4_write(space.machine(), (offset & 0xffff) - 0x6000, data);
return;
}
&& (offset < 0x400000 && address >= 0x6000 && address < 0x8000))
{ CX4_write(space.machine(), address - 0x6000, data); return; }
if (state->m_has_addon_chip == HAS_RTC
&& (offset < 0x400000 && ((offset & 0xffff) == 0x2800 || (offset & 0xffff) == 0x2801)))
{
srtc_write(space.machine(), offset, data);
return;
}
&& (offset < 0x400000 && (address == 0x2800 || address == 0x2801)))
{ srtc_write(space.machine(), offset, data); return; }
if (state->m_has_addon_chip == HAS_ST010 || state->m_has_addon_chip == HAS_ST011)
{
if (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x1000)
{ st010_write_ram(state, (offset & 0xffff), data); return; }
if (offset >= 0x680000 && offset < 0x700000 && address < 0x1000)
{ st010_write_ram(state, address, data); return; }
if (offset == 0x600000)
{ st010_set_dr(data); return; }
if (offset == 0x600001)
{ st010_set_sr(data); return; }
}
if (state->m_cart[0].mode == SNES_MODE_21 && state->m_has_addon_chip == HAS_DSP1
&& (offset < 0x200000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
{
dsp_set_dr(data);
return;
}
&& (offset < 0x200000 && address >= 0x6000 && address < 0x8000))
{ dsp_set_dr(data); return; }
if (state->m_cart[0].mode == SNES_MODE_20 && state->m_has_addon_chip == HAS_DSP1)
{
if (offset >= 0x200000 && offset < 0x400000 && (offset & 0x8000) == 0x8000)
@ -282,7 +276,7 @@ static WRITE8_HANDLER( snes_lo_w )
if ((state->m_has_addon_chip == HAS_DSP2 || state->m_has_addon_chip == HAS_DSP3)
&& (offset >= 0x200000 && offset < 0x400000 && (offset & 0x8000) == 0x8000))
{
if ((offset & 0xffff) < 0xc000)
if (address < 0xc000)
{ dsp_set_dr(data); return; }
else
{ dsp_set_sr(data); return; }
@ -290,29 +284,28 @@ static WRITE8_HANDLER( snes_lo_w )
if (state->m_has_addon_chip == HAS_DSP4
&& (offset >= 0x300000 && offset < 0x400000 && (offset & 0x8000) == 0x8000))
{
if ((offset & 0xffff) < 0xc000)
if (address < 0xc000)
{ dsp_set_dr(data); return; }
else
{ dsp_set_sr(data); return; }
}
if (state->m_has_addon_chip == HAS_SDD1 && offset < 0x400000)
{
if (((offset & 0xffff) >= 0x4300 && (offset & 0xffff) < 0x4380) ||
((offset & 0xffff) >= 0x4800 && (offset & 0xffff) < 0x4808))
if ((address >= 0x4300 && address < 0x4380) || (address >= 0x4800 && address < 0x4808))
{
sdd1_mmio_write(space, (UINT32)(offset & 0xffff), data);
sdd1_mmio_write(space, (UINT32)address, data);
// here we don't return, but we let the w_io happen...
}
}
if ((state->m_has_addon_chip == HAS_SPC7110 || state->m_has_addon_chip == HAS_SPC7110_RTC) && offset < 0x400000)
{
UINT16 limit = (state->m_has_addon_chip == HAS_SPC7110_RTC) ? 0x4842 : 0x483f;
if ((offset & 0xffff) >= 0x4800 && (offset & 0xffff) <= limit)
{ spc7110_mmio_write(space.machine(), (UINT32)(offset & 0xffff), data); return; }
if (offset < 0x10000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)
{ snes_ram[0x306000 + (offset & 0x1fff)] = data; return; }
if (offset >= 0x300000 && offset < 0x310000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)
{ snes_ram[0x306000 + (offset & 0x1fff)] = data; return; }
if (address >= 0x4800 && address <= limit)
{ spc7110_mmio_write(space.machine(), (UINT32)address, data); return; }
if (offset < 0x10000 && address >= 0x6000 && address < 0x8000)
{ snes_ram[0x306000 + (address & 0x1fff)] = data; return; }
if (offset >= 0x300000 && offset < 0x310000 && address >= 0x6000 && address < 0x8000)
{ snes_ram[0x306000 + (address & 0x1fff)] = data; return; }
}
// base cart access
@ -331,40 +324,30 @@ static WRITE8_HANDLER( snes_lo_w )
static WRITE8_HANDLER( snes_hi_w )
{
snes_state *state = space.machine().driver_data<snes_state>();
UINT16 address = offset & 0xffff;
// take care of add-on chip access
if (state->m_has_addon_chip == HAS_OBC1
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
{
obc1_write(space, offset, data, mem_mask);
return;
}
&& (offset < 0x400000 && address >= 0x6000 && address < 0x8000))
{ obc1_write(space, offset, data, mem_mask); return; }
if (state->m_has_addon_chip == HAS_CX4
&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
{
CX4_write(space.machine(), (offset & 0xffff) - 0x6000, data);
return;
}
&& (offset < 0x400000 && address >= 0x6000 && address < 0x8000))
{ CX4_write(space.machine(), address - 0x6000, data); return; }
if (state->m_has_addon_chip == HAS_RTC
&& (offset < 0x400000 && ((offset & 0xffff) == 0x2800 || (offset & 0xffff) == 0x2801)))
{
srtc_write(space.machine(), offset, data);
return;
}
&& (offset < 0x400000 && (address == 0x2800 || address == 0x2801)))
{ srtc_write(space.machine(), offset, data); return; }
if (state->m_has_addon_chip == HAS_ST010 || state->m_has_addon_chip == HAS_ST011)
{
if (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x1000)
{ st010_write_ram(state, (offset & 0xffff), data); return; }
if (offset >= 0x680000 && offset < 0x700000 && address < 0x1000)
{ st010_write_ram(state, address, data); return; }
if (offset == 0x600000)
{ st010_set_dr(data); return; }
if (offset == 0x600001)
{ st010_set_sr(data); return; }
}
if (state->m_cart[0].mode == SNES_MODE_21 && state->m_has_addon_chip == HAS_DSP1
&& (offset < 0x200000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
{
dsp_set_dr(data);
return;
}
&& (offset < 0x200000 && address >= 0x6000 && address < 0x8000))
{ dsp_set_dr(data); return; }
if (state->m_cart[0].mode == SNES_MODE_20 && state->m_has_addon_chip == HAS_DSP1)
{
if (offset >= 0x200000 && offset < 0x400000 && (offset & 0x8000) == 0x8000)
@ -375,7 +358,7 @@ static WRITE8_HANDLER( snes_hi_w )
if ((state->m_has_addon_chip == HAS_DSP2 || state->m_has_addon_chip == HAS_DSP3)
&& (offset >= 0x200000 && offset < 0x400000 && (offset & 0x8000) == 0x8000))
{
if ((offset & 0xffff) < 0xc000)
if (address < 0xc000)
{ dsp_set_dr(data); return; }
else
{ dsp_set_sr(data); return; }
@ -383,29 +366,28 @@ static WRITE8_HANDLER( snes_hi_w )
if (state->m_has_addon_chip == HAS_DSP4
&& (offset >= 0x300000 && offset < 0x400000 && (offset & 0x8000) == 0x8000))
{
if ((offset & 0xffff) < 0xc000)
if (address < 0xc000)
{ dsp_set_dr(data); return; }
else
{ dsp_set_sr(data); return; }
}
if (state->m_has_addon_chip == HAS_SDD1 && offset < 0x400000)
{
if (((offset & 0xffff) >= 0x4300 && (offset & 0xffff) < 0x4380) ||
((offset & 0xffff) >= 0x4800 && (offset & 0xffff) < 0x4808))
if ((address >= 0x4300 && address < 0x4380) || (address >= 0x4800 && address < 0x4808))
{
sdd1_mmio_write(space, (UINT32)(offset & 0xffff), data);
sdd1_mmio_write(space, (UINT32)address, data);
// here we don't return, but we let the w_io happen...
}
}
if ((state->m_has_addon_chip == HAS_SPC7110 || state->m_has_addon_chip == HAS_SPC7110_RTC) && offset < 0x400000)
{
UINT16 limit = (state->m_has_addon_chip == HAS_SPC7110_RTC) ? 0x4842 : 0x483f;
if ((offset & 0xffff) >= 0x4800 && (offset & 0xffff) <= limit)
{ spc7110_mmio_write(space.machine(), (UINT32)(offset & 0xffff), data); return; }
if (offset < 0x10000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)
{ snes_ram[0x306000 + (offset & 0x1fff)] = data; return; }
if (offset >= 0x300000 && offset < 0x310000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000)
{ snes_ram[0x306000 + (offset & 0x1fff)] = data; return; }
if (address >= 0x4800 && address <= limit)
{ spc7110_mmio_write(space.machine(), (UINT32)address, data); return; }
if (offset < 0x10000 && address >= 0x6000 && address < 0x8000)
{ snes_ram[0x306000 + (address & 0x1fff)] = data; return; }
if (offset >= 0x300000 && offset < 0x310000 && address >= 0x6000 && address < 0x8000)
{ snes_ram[0x306000 + (address & 0x1fff)] = data; return; }
}
// base cart access