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This commit is contained in:
David Haywood 2014-09-24 00:58:11 +00:00
parent 8f590ef8f0
commit 5cb29cb01a
5 changed files with 45 additions and 29 deletions
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4
src/mame/drivers/legionna.c
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@ -93,6 +93,10 @@ static ADDRESS_MAP_START( legionna_cop_mem, AS_PROGRAM, 16, legionna_state )
AM_RANGE(0x100400, 0x100401) AM_DEVWRITE("raiden2cop", raiden2cop_device, cop_sprite_dma_param_lo_w) // grainbow
AM_RANGE(0x100402, 0x100403) AM_DEVWRITE("raiden2cop", raiden2cop_device, cop_sprite_dma_param_hi_w) // grainbow
AM_RANGE(0x10040c, 0x10040d) AM_DEVWRITE("raiden2cop", raiden2cop_device, cop_sprite_dma_size_w) // grainbow
AM_RANGE(0x100410, 0x100411) AM_DEVWRITE("raiden2cop", raiden2cop_device, cop_sprite_dma_inc_w) // grainbow
AM_RANGE(0x100412, 0x100413) AM_DEVWRITE("raiden2cop", raiden2cop_device, cop_sprite_dma_src_hi_w) // grainbow
AM_RANGE(0x100414, 0x100415) AM_DEVWRITE("raiden2cop", raiden2cop_device, cop_sprite_dma_src_lo_w) // grainbow
// AM_RANGE(0x10041c, 0x10041d) AM_WRITE(cop_angle_target_w) // angle target (for 0x6200 COP macro)
// AM_RANGE(0x10041e, 0x10041f) AM_WRITE(cop_angle_step_w) // angle step (for 0x6200 COP macro)

33
src/mame/machine/raiden2cop.c
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@ -44,6 +44,7 @@ raiden2cop_device::raiden2cop_device(const machine_config &mconfig, const char *
m_cop_rng_max_value(0),
m_cop_sprite_dma_param(0),
m_cop_sprite_dma_src(0),
m_cop_sprite_dma_size(0),
@ -136,6 +137,7 @@ void raiden2cop_device::device_start()
save_item(NAME(m_cop_sprite_dma_param));
save_item(NAME(m_cop_sprite_dma_size));
save_item(NAME(m_cop_sprite_dma_src));
m_videoramout_cb.resolve_safe();
@ -1106,3 +1108,34 @@ WRITE16_MEMBER(raiden2cop_device::cop_sprite_dma_size_w)
{
m_cop_sprite_dma_size = data;
}
WRITE16_MEMBER( raiden2cop_device::cop_sprite_dma_src_hi_w)
{
m_cop_sprite_dma_src = (m_cop_sprite_dma_src&0x0000ffff)|(data<<16);
}
WRITE16_MEMBER( raiden2cop_device::cop_sprite_dma_src_lo_w)
{
m_cop_sprite_dma_src = (m_cop_sprite_dma_src&0xffff0000)|(data&0xffff);
}
// guess
WRITE16_MEMBER(raiden2cop_device::cop_sprite_dma_inc_w)
{
if (data)
printf("Warning: COP RAM 0x410 used with %04x\n", data);
else
{
/* guess */
cop_regs[4] += 8;
m_cop_sprite_dma_src += 6;
m_cop_sprite_dma_size--;
if (m_cop_sprite_dma_size > 0)
cop_status &= ~2;
else
cop_status |= 2;
}
}

5
src/mame/machine/raiden2cop.h
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@ -156,9 +156,14 @@ public:
// misc 68k (grainbow)
UINT32 m_cop_sprite_dma_param;
UINT32 m_cop_sprite_dma_src;
DECLARE_WRITE16_MEMBER(cop_sprite_dma_param_hi_w);
DECLARE_WRITE16_MEMBER(cop_sprite_dma_param_lo_w);
DECLARE_WRITE16_MEMBER(cop_sprite_dma_size_w);
DECLARE_WRITE16_MEMBER(cop_sprite_dma_src_hi_w);
DECLARE_WRITE16_MEMBER(cop_sprite_dma_src_lo_w);
DECLARE_WRITE16_MEMBER(cop_sprite_dma_inc_w);
int m_cop_sprite_dma_size;
protected:

31
src/mame/machine/seicop.c
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@ -1611,7 +1611,6 @@ seibu_cop_legacy_device::seibu_cop_legacy_device(const machine_config &mconfig,
m_cop_rom_addr_lo(0),
m_cop_rom_addr_hi(0),
m_cop_rom_addr_unk(0),
m_cop_sprite_dma_src(0),
m_cop_sprite_dma_abs_x(0),
m_cop_sprite_dma_abs_y(0),
m_raiden2cop(*this, ":raiden2cop")
@ -1651,7 +1650,6 @@ void seibu_cop_legacy_device::device_start()
save_item(NAME(m_cop_rom_addr_lo));
save_item(NAME(m_cop_rom_addr_hi));
save_item(NAME(m_cop_rom_addr_unk));
save_item(NAME(m_cop_sprite_dma_src));
save_item(NAME(m_cop_sprite_dma_abs_x));
save_item(NAME(m_cop_sprite_dma_abs_y));
}
@ -2070,30 +2068,7 @@ WRITE16_MEMBER( seibu_cop_legacy_device::generic_cop_w )
case (0x010/2):
{
if(data)
printf("Warning: COP RAM 0x410 used with %04x\n",data);
else
{
/* guess */
m_raiden2cop->cop_regs[4]+=8;
m_cop_sprite_dma_src+=6;
m_raiden2cop->m_cop_sprite_dma_size--;
if(m_raiden2cop->m_cop_sprite_dma_size > 0)
m_raiden2cop->cop_status &= ~2;
else
m_raiden2cop->cop_status |= 2;
}
break;
}
case (0x012/2):
case (0x014/2):
m_cop_sprite_dma_src = (m_cop_mcu_ram[0x014/2]) | (m_cop_mcu_ram[0x012/2] << 16);
break;
/* triggered before 0x6200 in Seibu Cup, looks like an angle value ... */
case (0x01c/2): m_legacycop_angle_compare = UINT16(m_cop_mcu_ram[0x1c/2]); break;
@ -2470,7 +2445,7 @@ WRITE16_MEMBER( seibu_cop_legacy_device::generic_cop_w )
/* TODO: I really suspect that following two are actually taken from the 0xa180 macro command then internally loaded */
abs_x = space.read_word(m_raiden2cop->cop_regs[0] + 8) - m_cop_sprite_dma_abs_x;
abs_y = space.read_word(m_raiden2cop->cop_regs[0] + 4) - m_cop_sprite_dma_abs_y;
rel_xy = space.read_word(m_cop_sprite_dma_src + 4 + offs);
rel_xy = space.read_word(m_raiden2cop->m_cop_sprite_dma_src + 4 + offs);
//if(rel_xy & 0x0706)
// printf("sprite rel_xy = %04x\n",rel_xy);
@ -2492,8 +2467,8 @@ WRITE16_MEMBER( seibu_cop_legacy_device::generic_cop_w )
offs = (offset & 3) * 4;
space.write_word(m_raiden2cop->cop_regs[4] + offs + 0,space.read_word(m_cop_sprite_dma_src + offs) + (m_raiden2cop->m_cop_sprite_dma_param & 0x3f));
//space.write_word(m_raiden2cop->cop_regs[4] + offs + 2,space.read_word(m_cop_sprite_dma_src+2 + offs));
space.write_word(m_raiden2cop->cop_regs[4] + offs + 0,space.read_word(m_raiden2cop->m_cop_sprite_dma_src + offs) + (m_raiden2cop->m_cop_sprite_dma_param & 0x3f));
//space.write_word(m_raiden2cop->cop_regs[4] + offs + 2,space.read_word(m_raiden2cop->m_cop_sprite_dma_src+2 + offs));
return;
}

1
src/mame/machine/seicop.h
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@ -49,7 +49,6 @@ private:
int m_r0, m_r1;
UINT16 m_cop_rom_addr_lo,m_cop_rom_addr_hi,m_cop_rom_addr_unk;
UINT32 m_cop_sprite_dma_src;
int m_cop_sprite_dma_abs_x,m_cop_sprite_dma_abs_y;