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Fixed radar for Seibu Cup Soccer

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This commit is contained in:
Angelo Salese 2014-09-09 20:20:11 +00:00
parent 76306e400c
commit 111ec37e89
1 changed files with 14 additions and 9 deletions
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23
src/mame/machine/seicop.c
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@ -2739,6 +2739,7 @@ WRITE16_MEMBER( seibu_cop_legacy_device::generic_cop_w )
m_cop_angle += 0x80;
}
m_cop_angle-=0x80;
m_r0 = dy;
m_r1 = dx;
@ -2911,31 +2912,35 @@ WRITE16_MEMBER( seibu_cop_legacy_device::generic_cop_w )
{
UINT8 offs;
int div;
INT16 dir_offset;
// INT16 offs_val;
/* TODO: [4-7] could be mirrors of [0-3] (this is the only command so far that uses 4-7 actually)*/
/* 0 + [4] */
/* 4 + [5] */
/* 8 + [4] */
/* 4 + [6] */
/* ? 0 + [4] */
/* sub32 4 + [5] */
/* write16h 8 + [4] */
/* addmem16 4 + [6] */
// these two are obvious ...
// 0xf x 16 = 240
// 0x14 x 16 = 320
// what are these two instead? scale factor? offsets?
// what are these two instead? scale factor? offsets? (edit: offsets to apply from the initial sprite data)
// 0xfc69 ?
// 0x7f4 ?
//printf("%08x %08x %08x %08x %08x %08x %08x\n",m_cop_register[0],m_cop_register[1],m_cop_register[2],m_cop_register[3],m_cop_register[4],m_cop_register[5],m_cop_register[6]);
offs = (offset & 3) * 4;
div = space.read_word(m_cop_register[4] + offs) + 1;
div = space.read_word(m_cop_register[4] + offs);
dir_offset = space.read_word(m_cop_register[4] + offs + 8);
// offs_val = space.read_word(m_cop_register[3] + offs);
//420 / 180 = 500 : 400 = 30 / 50 = 98 / 18
/* TODO: this probably trips a cop status flag */
if(div == 0) { div = 1; }
space.write_word((m_cop_register[6] + offs + 4), ((space.read_word(m_cop_register[5] + offs + 4)) / div));
space.write_word((m_cop_register[6] + offs + 4), ((space.read_word(m_cop_register[5] + offs + 4) + dir_offset) / div));
return;
}