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Copied from the bootleg, still doesn't work (change of direction that mustn't happen in grainbow) >.<

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This commit is contained in:
Angelo Salese 2011-01-11 15:06:27 +00:00
parent c586cdd513
commit a7e62d2610
1 changed files with 49 additions and 34 deletions
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81
src/mame/machine/seicop.c
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@ -1722,7 +1722,7 @@ static UINT16 cop_status,cop_dist,cop_angle;
static UINT16 cop_hit_status;
static UINT32 cop_hit_val_x,cop_hit_val_y;
static UINT32 cop_sort_lookup,cop_sort_ram_addr,cop_sort_param;
static UINT8 cop_angle_compare;
static INT8 cop_angle_compare;
static UINT8 cop_angle_mod_val;
static struct
{
@ -1907,7 +1907,7 @@ static WRITE16_HANDLER( generic_cop_w )
case (0x000/2):
case (0x002/2):
cop_sprite_dma_param = (cop_mcu_ram[0x000/2]) | (cop_mcu_ram[0x002/2] << 16);
popmessage("%08x",cop_sprite_dma_param & 0xffffffc0);
//popmessage("%08x",cop_sprite_dma_param & 0xffffffc0);
break;
case (0x00c/2): { cop_sprite_dma_size = cop_mcu_ram[offset]; break; }
@ -2318,8 +2318,8 @@ static WRITE16_HANDLER( generic_cop_w )
abs_y = space->read_word(cop_register[0] + 4) - cop_sprite_dma_abs_y;
rel_xy = space->read_word(cop_sprite_dma_src + 4 + offs);
if(rel_xy & 0x0706)
printf("sprite rel_xy = %04x\n",rel_xy);
//if(rel_xy & 0x0706)
// printf("sprite rel_xy = %04x\n",rel_xy);
if(rel_xy & 1)
space->write_word(cop_register[4] + offs + 4,0xc0 + abs_x - (rel_xy & 0xf8));
@ -2368,51 +2368,66 @@ static WRITE16_HANDLER( generic_cop_w )
//(cupsoc) | 8 | f3e7 | 6200 | 3a0 3a6 380 aa0 2a6
if(COP_CMD(0x3a0,0x3a6,0x380,0xaa0,0x2a6,0x000,0x000,0x000,8,0xf3e7))
{
//space->write_byte(cop_register[0]+(0x34^3), test ^ 0x80);
static INT8 cur_angle;
cur_angle = space->read_byte(cop_register[1] + (0xc ^ 3));
space->write_byte(cop_register[1] + (0^3),space->read_byte(cop_register[1] + (0^3)) & 0xfb); //correct?
if(cur_angle >= cop_angle_compare)
{
cur_angle -= cop_angle_mod_val;
if(cur_angle <= cop_angle_compare)
{
cur_angle = cop_angle_compare;
space->write_byte(cop_register[1] + (0^3),space->read_byte(cop_register[1] + (0^3)) | 2);
}
}
else if(cur_angle <= cop_angle_compare)
{
cur_angle += cop_angle_mod_val;
if(cur_angle >= cop_angle_compare)
{
cur_angle = cop_angle_compare;
space->write_byte(cop_register[1] + (0^3),space->read_byte(cop_register[1] + (0^3)) | 2);
}
}
space->write_byte(cop_register[1] + (0xc ^ 3),cur_angle);
return;
}
//(grainbow) | 8 | f3e7 | 6200 | 380 39a 380 a80 29a
/* search direction, used on SD Gundam homing weapon */
/* FIXME: the "modifier" is actually a bit-wise register! */
/* FIXME: still doesn't work ... */
if(COP_CMD(0x380,0x39a,0x380,0xa80,0x29a,0x000,0x000,0x000,8,0xf3e7))
{
static UINT8 cur_angle;
int comp1,comp2;
static INT8 cur_angle;
cur_angle = (space->read_word(cop_register[0]+(0x34^2)) & 0xff);
cur_angle = space->read_byte(cop_register[0] + (0x34 ^ 3));
//space->write_byte(cop_register[0] + (0^3),space->read_byte(cop_register[0] + (0^3)) & 0xfb); //correct?
comp1 = (cur_angle - cop_angle_compare) & 0xff;
comp2 = (cop_angle_compare - cur_angle) & 0xff;
//popmessage("(%02x %02x) %02x",cur_angle,cop_angle_compare,cop_angle_mod_val);
//printf("%02x %02x %d %d",cur_angle,cop_angle_compare,comp1,comp2);
if(comp1 < comp2)
if(cur_angle >= cop_angle_compare)
{
cur_angle -= cop_angle_mod_val;
if(cur_angle <= cop_angle_compare)
{
if(comp1 < cop_angle_mod_val)
cur_angle = cop_angle_compare;
else
cur_angle -= (cop_angle_mod_val + 1);
//printf(" < %02x %02x\n",cur_angle,cop_angle_compare);
//space->write_byte(cop_register[0] + (0^3),space->read_byte(cop_register[0] + (0^3)) | 2);
}
else if(comp1 > comp2)
}
else if(cur_angle <= cop_angle_compare)
{
cur_angle += cop_angle_mod_val;
if(cur_angle >= cop_angle_compare)
{
if(comp2 < cop_angle_mod_val)
cur_angle = cop_angle_compare;
else
cur_angle += (cop_angle_mod_val + 1);
//printf(" > %02x %02x\n",cur_angle,cop_angle_compare);
//space->write_byte(cop_register[0] + (0^3),space->read_byte(cop_register[0] + (0^3)) | 2);
}
else if(cur_angle != cop_angle_compare)
{
cur_angle += (cop_angle_mod_val + 1); // TODO: what happens if the two values are equal (like 0xff - 0x7f / 0x7f - 0xff)?
//printf(" == %02x %02x\n",cur_angle,cop_angle_compare);
}
space->write_word(cop_register[0]+(0x34^2),cur_angle & 0xff);
space->write_byte(cop_register[0] + (0x34 ^ 3),cur_angle);
return;
}