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Experiment with the bootleg ...

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This commit is contained in:
Angelo Salese 2014-09-08 22:00:38 +00:00
parent a0cd7bf8cd
commit fc02faae6d
2 changed files with 130 additions and 2 deletions
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2
src/mame/includes/legionna.h
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@ -5,7 +5,7 @@ class legionna_state : public driver_device
public:
legionna_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_spriteram(*this, "spriteram") ,
m_spriteram(*this, "spriteram"),
m_back_data(*this, "back_data"),
m_fore_data(*this, "fore_data"),
m_mid_data(*this, "mid_data"),

130
src/mame/machine/seicop.c
View File

@ -2036,6 +2036,14 @@ READ16_MEMBER( seibu_cop_legacy_device::copdxbl_0_r )
return retvalue;
}
case 0x5b0/2:
return m_cop_status;
case 0x5b2/2:
return m_cop_dist;
case 0x5b4/2:
return m_cop_angle;
//case (0x47e/2):
//case (0x5b0/2):
//case (0x5b4/2):
@ -2061,7 +2069,126 @@ WRITE16_MEMBER( seibu_cop_legacy_device::copdxbl_0_w )
logerror("%06x: COPX unhandled write data %04x at offset %04x\n", space.device().safe_pc(), data, offset*2);
break;
}
case (0x4a0/2): { m_cop_register[0] = (m_cop_register[0]&0x0000ffff)|(m_cop_mcu_ram[offset]<<16); break; }
case (0x4c0/2): { m_cop_register[0] = (m_cop_register[0]&0xffff0000)|(m_cop_mcu_ram[offset]<<0); break; }
case (0x4a2/2): { m_cop_register[1] = (m_cop_register[1]&0x0000ffff)|(m_cop_mcu_ram[offset]<<16); break; }
case (0x4c2/2): { m_cop_register[1] = (m_cop_register[1]&0xffff0000)|(m_cop_mcu_ram[offset]<<0); break; }
case (0x4a4/2): { m_cop_register[2] = (m_cop_register[2]&0x0000ffff)|(m_cop_mcu_ram[offset]<<16); break; }
case (0x4c4/2): { m_cop_register[2] = (m_cop_register[2]&0xffff0000)|(m_cop_mcu_ram[offset]<<0); break; }
case (0x4a6/2): { m_cop_register[3] = (m_cop_register[3]&0x0000ffff)|(m_cop_mcu_ram[offset]<<16); break; }
case (0x4c6/2): { m_cop_register[3] = (m_cop_register[3]&0xffff0000)|(m_cop_mcu_ram[offset]<<0); break; }
case (0x4a8/2): { m_cop_register[4] = (m_cop_register[4]&0x0000ffff)|(m_cop_mcu_ram[offset]<<16); break; }
case (0x4c8/2): { m_cop_register[4] = (m_cop_register[4]&0xffff0000)|(m_cop_mcu_ram[offset]<<0); break; }
case (0x4aa/2): { m_cop_register[5] = (m_cop_register[5]&0x0000ffff)|(m_cop_mcu_ram[offset]<<16); break; }
case (0x4ca/2): { m_cop_register[5] = (m_cop_register[5]&0xffff0000)|(m_cop_mcu_ram[offset]<<0); break; }
case (0x4ac/2): { m_cop_register[6] = (m_cop_register[6]&0x0000ffff)|(m_cop_mcu_ram[offset]<<16); break; }
case (0x4cc/2): { m_cop_register[6] = (m_cop_register[6]&0xffff0000)|(m_cop_mcu_ram[offset]<<0); break; }
case (0x500/2):
case (0x502/2):
case (0x504/2):
switch(m_cop_mcu_ram[offset])
{
case 0x8100:
{
int raw_angle = (space.read_word(m_cop_register[0]+(0x34^2)) & 0xff);
double angle = raw_angle * M_PI / 128;
double amp = (65536 >> 5)*(space.read_word(m_cop_register[0]+(0x36^2)) & 0xff);
int res;
/* TODO: up direction, why? */
if(raw_angle == 0xc0)
amp*=2;
res = int(amp*sin(angle)) << m_cop_scale;
space.write_dword(m_cop_register[0] + 0x10, res);
break;
}
case 0x8900:
{
int raw_angle = (space.read_word(m_cop_register[0]+(0x34^2)) & 0xff);
double angle = raw_angle * M_PI / 128;
double amp = (65536 >> 5)*(space.read_word(m_cop_register[0]+(0x36^2)) & 0xff);
int res;
/* TODO: left direction, why? */
if(raw_angle == 0x80)
amp*=2;
res = int(amp*cos(angle)) << m_cop_scale;
space.write_dword(m_cop_register[0] + 20, res);
break;
}
case 0x0205:
{
UINT8 offs;
offs = (offset & 3) * 4;
int ppos = space.read_dword(m_cop_register[0] + 4 + offs);
int npos = ppos + space.read_dword(m_cop_register[0] + 0x10 + offs);
int delta = (npos >> 16) - (ppos >> 16);
space.write_dword(m_cop_register[0] + 4 + offs, npos);
space.write_word(m_cop_register[0] + 0x1c + offs, space.read_word(m_cop_register[0] + 0x1c + offs) + delta);
break;
}
case 0x130e:
case 0x138e:
{
int dy = space.read_dword(m_cop_register[1]+4) - space.read_dword(m_cop_register[0]+4);
int dx = space.read_dword(m_cop_register[1]+8) - space.read_dword(m_cop_register[0]+8);
m_cop_status = 7;
if(!dx) {
m_cop_status |= 0x8000;
m_cop_angle = 0;
} else {
m_cop_angle = atan(double(dy)/double(dx)) * 128.0 / M_PI;
if(dx<0)
m_cop_angle += 0x80;
}
m_r0 = dy;
m_r1 = dx;
if(m_cop_mcu_ram[offset] & 0x80)
space.write_word(m_cop_register[0]+(0x34^2), m_cop_angle);
break;
}
case 0x3b30:
case 0x3bb0:
{
int dy = m_r0;
int dx = m_r1;
dx >>= 16;
dy >>= 16;
m_cop_dist = sqrt((double)(dx*dx+dy*dy));
if(m_cop_mcu_ram[offset] & 0x80)
space.write_word(m_cop_register[0]+(0x38), m_cop_dist);
break;
}
default:
printf("%04x\n",m_cop_mcu_ram[offset]);
break;
}
break;
/*TODO: kludge on x-axis.*/
case (0x660/2): { state->m_scrollram16[0] = m_cop_mcu_ram[offset] - 0x1f0; break; }
case (0x662/2): { state->m_scrollram16[1] = m_cop_mcu_ram[offset]; break; }
@ -3108,7 +3235,8 @@ WRITE16_MEMBER( seibu_cop_legacy_device::generic_cop_w )
}
/* private buffer copies */
if ((m_cop_dma_trigger==0x14) || (m_cop_dma_trigger==0x15)) return;
if ((m_cop_dma_trigger==0x14) || (m_cop_dma_trigger==0x15))
return;
printf("SRC: %08x %08x DST:%08x SIZE:%08x TRIGGER: %08x\n",m_cop_dma_src[m_cop_dma_trigger] << 6,m_cop_dma_fade_table,m_cop_dma_dst[m_cop_dma_trigger] << 6,m_cop_dma_size[m_cop_dma_trigger] << 5,m_cop_dma_trigger);