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Added sort-DMA to raiden2.c

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This commit is contained in:
Angelo Salese 2012-09-11 18:45:08 +00:00
parent 7ca123aeb1
commit e579e59613
2 changed files with 88 additions and 2 deletions
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80
src/mame/drivers/raiden2.c
View File

@ -1218,6 +1218,78 @@ READ16_MEMBER(raiden2_state::cop_collision_status_unk_r)
return cop_hit_val_unk;
}
WRITE16_MEMBER(raiden2_state::cop_sort_lookup_hi_w)
{
cop_sort_lookup = (cop_sort_lookup&0x0000ffff)|(data<<16);
}
WRITE16_MEMBER(raiden2_state::cop_sort_lookup_lo_w)
{
cop_sort_lookup = (cop_sort_lookup&0xffff0000)|(data&0xffff);
}
WRITE16_MEMBER(raiden2_state::cop_sort_ram_addr_hi_w)
{
cop_sort_ram_addr = (cop_sort_ram_addr&0x0000ffff)|(data<<16);
}
WRITE16_MEMBER(raiden2_state::cop_sort_ram_addr_lo_w)
{
cop_sort_ram_addr = (cop_sort_ram_addr&0xffff0000)|(data&0xffff);
}
WRITE16_MEMBER(raiden2_state::cop_sort_param_w)
{
cop_sort_param = data;
}
WRITE16_MEMBER(raiden2_state::cop_sort_dma_trig_w)
{
UINT16 sort_size;
sort_size = data;
//printf("%04x %04x %04x %04x\n",cop_sort_ram_addr,cop_sort_lookup,cop_sort_param,data);
{
int i,j;
UINT8 xchg_flag;
UINT32 addri,addrj;
UINT16 vali,valj;
/* TODO: use a better algorithm than bubble sort! */
for(i=2;i<sort_size;i+=2)
{
for(j=i-2;j<sort_size;j+=2)
{
addri = cop_sort_ram_addr+space.read_word(cop_sort_lookup+i);
addrj = cop_sort_ram_addr+space.read_word(cop_sort_lookup+j);
vali = space.read_word(addri);
valj = space.read_word(addrj);
//printf("%08x %08x %04x %04x\n",addri,addrj,vali,valj);
switch(cop_sort_param)
{
case 2: xchg_flag = (vali > valj); break;
case 1: xchg_flag = (vali < valj); break;
default: xchg_flag = 0; printf("Warning: sort-DMA used with param %02x\n",cop_sort_param); break;
}
if(xchg_flag)
{
UINT16 xch_val;
xch_val = space.read_word(cop_sort_lookup+i);
space.write_word(cop_sort_lookup+i,space.read_word(cop_sort_lookup+j));
space.write_word(cop_sort_lookup+j,xch_val);
}
}
}
}
}
/* MEMORY MAPS */
static ADDRESS_MAP_START( raiden2_cop_mem, AS_PROGRAM, 16, raiden2_state )
// AM_RANGE(0x0041c, 0x0041d) AM_WRITENOP // angle compare (for 0x6200 COP macro)
@ -1233,7 +1305,11 @@ static ADDRESS_MAP_START( raiden2_cop_mem, AS_PROGRAM, 16, raiden2_state )
AM_RANGE(0x0043a, 0x0043b) AM_WRITE(cop_pgm_mask_w)
AM_RANGE(0x0043c, 0x0043d) AM_WRITE(cop_pgm_trigger_w)
AM_RANGE(0x00444, 0x00445) AM_WRITE(cop_scale_w)
AM_RANGE(0x00450, 0x00459) AM_WRITENOP //sort-DMA params, Zero Team uses it
AM_RANGE(0x00450, 0x00451) AM_WRITE(cop_sort_ram_addr_hi_w)
AM_RANGE(0x00452, 0x00453) AM_WRITE(cop_sort_ram_addr_lo_w)
AM_RANGE(0x00454, 0x00455) AM_WRITE(cop_sort_lookup_hi_w)
AM_RANGE(0x00456, 0x00457) AM_WRITE(cop_sort_lookup_lo_w)
AM_RANGE(0x00458, 0x00459) AM_WRITE(cop_sort_param_w)
AM_RANGE(0x0045a, 0x0045b) AM_WRITENOP //palette DMA brightness val, used by X Se Dae / Zero Team
AM_RANGE(0x0045c, 0x0045d) AM_WRITENOP //palette DMA brightness mode, used by X Se Dae / Zero Team (sets to 5)
AM_RANGE(0x00470, 0x00471) AM_READWRITE(cop_tile_bank_2_r,cop_tile_bank_2_w)
@ -1276,7 +1352,7 @@ static ADDRESS_MAP_START( raiden2_cop_mem, AS_PROGRAM, 16, raiden2_state )
AM_RANGE(0x006dc, 0x006dd) AM_READ(sprite_prot_dst2_r) AM_WRITE(sprite_prot_dst2_w)
AM_RANGE(0x006de, 0x006df) AM_WRITE(sprite_prot_src_w)
AM_RANGE(0x006fc, 0x006fd) AM_WRITE(cop_dma_trigger_w)
AM_RANGE(0x006fe, 0x006ff) AM_WRITENOP // sort-DMA trigger
AM_RANGE(0x006fe, 0x006ff) AM_WRITE(cop_sort_dma_trig_w) // sort-DMA trigger
AM_RANGE(0x00762, 0x00763) AM_READ(sprite_prot_dst1_r)
ADDRESS_MAP_END

10
src/mame/includes/raiden2.h
View File

@ -125,6 +125,16 @@ public:
UINT8 cop_calculate_collsion_detection(running_machine &machine);
void cop_take_hit_box_params(UINT8 offs);
DECLARE_WRITE16_MEMBER(cop_sort_lookup_hi_w);
DECLARE_WRITE16_MEMBER(cop_sort_lookup_lo_w);
DECLARE_WRITE16_MEMBER(cop_sort_ram_addr_hi_w);
DECLARE_WRITE16_MEMBER(cop_sort_ram_addr_lo_w);
DECLARE_WRITE16_MEMBER(cop_sort_param_w);
DECLARE_WRITE16_MEMBER(cop_sort_dma_trig_w);
UINT32 cop_sort_ram_addr, cop_sort_lookup;
UINT16 cop_sort_param;
DECLARE_DRIVER_INIT(raidendx);
DECLARE_DRIVER_INIT(xsedae);
DECLARE_DRIVER_INIT(zeroteam);