mirror of
https://github.com/holub/mame
synced 2025-05-28 16:43:04 +03:00
Many improvements to the King Derby driver.
This commit is contained in:
Angelo Salese
parent
6bfd4e2bdd
commit
7f35696d70
@ -7,6 +7,7 @@ driver by Andrew Gardner, Angelo Salese & Roberto Fresca
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TODO:
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- remaining video issues, priorities, sprites etc.;
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- inputs;
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- "Hopper timeout" msg if you win;
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- colors (probably needs a color prom);
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- add backup ram emulation;
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- unknown memories;
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@ -74,7 +75,17 @@ sg1_b.e1 4096 0x92ef3c13 D2732D
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*************************************/
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static UINT8 *kingdrby_vram,*kingdrby_attr;
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static tilemap *sc0_tilemap,*sc0w_tilemap;
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static tilemap *sc0_tilemap,*sc0w_tilemap,*sc1_tilemap;
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/*
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tile
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xxxx xxxx tile number
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attr
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xxxx ---- basic color
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---- x--- priority
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---- -xx- extra color bank?
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---- ---x tile bank
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*/
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static TILE_GET_INFO( get_sc0_tile_info )
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{
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@ -82,6 +93,7 @@ static TILE_GET_INFO( get_sc0_tile_info )
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int color = (kingdrby_attr[tile_index] & 0xf0) >> 4;
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tile&=0x1ff;
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color = (kingdrby_attr[tile_index] & 0x6)<<3;
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SET_TILE_INFO(
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1,
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@ -90,11 +102,30 @@ static TILE_GET_INFO( get_sc0_tile_info )
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0);
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}
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static TILE_GET_INFO( get_sc1_tile_info )
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{
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int tile = kingdrby_vram[tile_index] | kingdrby_attr[tile_index]<<8;
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int color = (kingdrby_attr[tile_index] & 0xf0) >> 4;
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tile&=0x1ff;
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color = (kingdrby_attr[tile_index] & 0x6)<<3;
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SET_TILE_INFO(
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1,
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tile,
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color,
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0);
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tileinfo->category = (kingdrby_attr[tile_index] & 0x08)>>3;
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}
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static VIDEO_START(kingdrby)
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{
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sc0_tilemap = tilemap_create(machine, get_sc0_tile_info,tilemap_scan_rows,8,8,32,24);
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sc1_tilemap = tilemap_create(machine, get_sc1_tile_info,tilemap_scan_rows,8,8,32,24);
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sc0w_tilemap = tilemap_create(machine, get_sc0_tile_info,tilemap_scan_rows,8,8,32,32);
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tilemap_set_transparent_pen(sc1_tilemap,0);
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}
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static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect)
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@ -104,29 +135,29 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
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/*sprites not fully understood.*/
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for(count=0;count<0x48;count+=4)
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{
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int x,y,spr_offs,colour,fx,mode,dx,dy,h,w;
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int x,y,spr_offs,colour,fx,dx,dy,h,w,mode;
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if((spriteram[count+3] & 1) == 1)
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continue;
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spr_offs = (spriteram[count]);
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spr_offs &=0x7f;
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mode = spr_offs;
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spr_offs*=4;
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colour = 0;
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colour = (spriteram[count+3] & 0xf0)>>4;
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fx = spriteram[count] & 0x80;
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if(spriteram[count+1] == 0)
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y = 0;
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else
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y = 0x100-spriteram[count+1];
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x = spriteram[count+2];
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mode = (spriteram[count+3] & 0xff);
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if((mode & 1) == 1)
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continue;
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/*a simpler way?*/
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if((mode & 0xe0) == 0xc0 ) { h = 1; w = 1; }
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else if((mode & 0xe0) == 0xa0 ) { h = 2; w = 2; }
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else if((mode & 0xe0) == 0x80 ) { h = 2; w = 2; }
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else if((mode & 0xe0) == 0xe0 ) { h = 2; w = 2; }
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else { h = 3; w = 4; }
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/*TODO: I really believe that this is actually driven by a prom.*/
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if((mode >= 0x168/4) && (mode <= 0x17f/4)) { h = 1; w = 1; }
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else if((mode >= 0x18c/4) && (mode <= 0x18f/4)) { h = 1; w = 1; }
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else if((mode >= 0x19c/4) && (mode <= 0x19f/4)) { h = 1; w = 1; }
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else if((mode & 3) == 3 || (mode) >= 0x13c/4) { h = 2; w = 2; }
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else { h = 3; w = 4; }
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if(fx)
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{
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@ -149,6 +180,8 @@ static VIDEO_UPDATE(kingdrby)
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rectangle clip;
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tilemap_set_scrollx( sc0_tilemap,0, kingdrby_vram[0x342]);
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tilemap_set_scrolly( sc0_tilemap,0, kingdrby_vram[0x341]);
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tilemap_set_scrollx( sc1_tilemap,0, kingdrby_vram[0x342]);
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tilemap_set_scrolly( sc1_tilemap,0, kingdrby_vram[0x341]);
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tilemap_set_scrolly( sc0w_tilemap,0, 32);
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/* maybe it needs two window tilemaps? (one at the top, the other at the bottom)*/
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@ -157,9 +190,11 @@ static VIDEO_UPDATE(kingdrby)
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clip.min_y = 192;
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clip.max_y = visarea->max_y;
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/*TILEMAP_DRAW_CATEGORY + TILEMAP_DRAW_OPAQUE doesn't suit well?*/
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tilemap_draw(bitmap,cliprect,sc0_tilemap,0,0);
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tilemap_draw(bitmap,&clip,sc0w_tilemap,0,0);
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draw_sprites(screen->machine,bitmap,cliprect);
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tilemap_draw(bitmap,cliprect,sc1_tilemap,TILEMAP_DRAW_CATEGORY(1),0);
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tilemap_draw(bitmap,&clip,sc0w_tilemap,0,0);
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return 0;
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}
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@ -169,6 +204,7 @@ static WRITE8_HANDLER( sc0_vram_w )
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kingdrby_vram[offset] = data;
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tilemap_mark_tile_dirty(sc0_tilemap,offset);
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tilemap_mark_tile_dirty(sc0w_tilemap,offset);
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tilemap_mark_tile_dirty(sc1_tilemap,offset);
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}
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static WRITE8_HANDLER( sc0_attr_w )
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@ -176,11 +212,12 @@ static WRITE8_HANDLER( sc0_attr_w )
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kingdrby_attr[offset] = data;
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tilemap_mark_tile_dirty(sc0_tilemap,offset);
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tilemap_mark_tile_dirty(sc0w_tilemap,offset);
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tilemap_mark_tile_dirty(sc1_tilemap,offset);
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}
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/*************************************
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*
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* I/O (TODO)
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* I/O
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*
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*************************************/
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@ -197,9 +234,72 @@ static WRITE8_DEVICE_HANDLER( outport1_w )
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// soundlatch_w(space,0, data);
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}
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static UINT8 mux_data;
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static WRITE8_DEVICE_HANDLER( outport2_w )
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{
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// printf("PPI1 port C(upper) out: %02X\n", data);
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mux_data = data & 0x80;
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}
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static READ8_DEVICE_HANDLER( input_mux_r )
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{
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if(mux_data & 0x80)
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return input_port_read(device->machine,"MUX0");
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else
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return input_port_read(device->machine,"MUX1");
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}
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static READ8_DEVICE_HANDLER( key_matrix_r )
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{
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static UINT16 p1_val,p2_val;
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static UINT8 p1_res,p2_res;
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p1_val = input_port_read(device->machine,"KEY_1P");
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p2_val = input_port_read(device->machine,"KEY_2P");
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p1_res = 0;
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p2_res = 0;
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switch(p1_val)
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{
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case 0x0001: p1_res = 0x01; break;
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case 0x0002: p1_res = 0x02; break;
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case 0x0004: p1_res = 0x03; break;
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case 0x0008: p1_res = 0x04; break;
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case 0x0010: p1_res = 0x05; break;
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case 0x0020: p1_res = 0x06; break;
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case 0x0040: p1_res = 0x07; break;
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case 0x0080: p1_res = 0x08; break;
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case 0x0100: p1_res = 0x09; break;
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case 0x0200: p1_res = 0x0a; break;
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case 0x0400: p1_res = 0x0b; break;
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case 0x0800: p1_res = 0x0c; break;
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case 0x1000: p1_res = 0x0d; break;
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case 0x2000: p1_res = 0x0e; break;
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case 0x4000: p1_res = 0x0f; break;
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}
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switch(p2_val)
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{
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case 0x0001: p2_res = 0x01; break;
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case 0x0002: p2_res = 0x02; break;
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case 0x0004: p2_res = 0x03; break;
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case 0x0008: p2_res = 0x04; break;
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case 0x0010: p2_res = 0x05; break;
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case 0x0020: p2_res = 0x06; break;
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case 0x0040: p2_res = 0x07; break;
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case 0x0080: p2_res = 0x08; break;
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case 0x0100: p2_res = 0x09; break;
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case 0x0200: p2_res = 0x0a; break;
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case 0x0400: p2_res = 0x0b; break;
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case 0x0800: p2_res = 0x0c; break;
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case 0x1000: p2_res = 0x0d; break;
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case 0x2000: p2_res = 0x0e; break;
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case 0x4000: p2_res = 0x0f; break;
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}
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return p1_res | (p2_res<<4);
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}
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/*************************************
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@ -230,7 +330,7 @@ static ADDRESS_MAP_START( slave_map, ADDRESS_SPACE_PROGRAM, 8 )
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AM_RANGE(0x7400, 0x75ff) AM_RAM AM_BASE(&spriteram)
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AM_RANGE(0x7600, 0x7600) AM_DEVWRITE(MC6845, "crtc", mc6845_address_w)
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AM_RANGE(0x7601, 0x7601) AM_DEVREADWRITE(MC6845, "crtc", mc6845_register_r, mc6845_register_w)
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// AM_RANGE(0x7a00, 0x7a00) AM_READ_PORT("UNK")
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AM_RANGE(0x7a00, 0x7a00) AM_RAM //buffer for the key matrix
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AM_RANGE(0x7c00, 0x7c00) AM_READ_PORT("DSW")
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ADDRESS_MAP_END
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@ -274,8 +374,8 @@ static const ppi8255_interface ppi8255_intf[2] =
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/* B & C (lower) as input, A & C (upper) as output */
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{
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DEVCB_NULL, /* Port A read */
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DEVCB_INPUT_PORT("IN2"), /* Port B read */
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DEVCB_INPUT_PORT("IN3"), /* Port C read */
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DEVCB_HANDLER(key_matrix_r),/* Port B read */
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DEVCB_HANDLER(input_mux_r), /* Port C read */
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DEVCB_HANDLER(outport1_w), /* Port A write */
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DEVCB_NULL, /* Port B write */
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DEVCB_HANDLER(outport2_w) /* Port C write */
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@ -298,14 +398,14 @@ static INPUT_PORTS_START( kingdrby )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_NAME("1P 1C/1C") //service?
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("2P 1C/1C") //service?
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PORT_DIPNAME( 0x10, 0x10, "Hopper I/O" )
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PORT_DIPNAME( 0x10, 0x10, "1P Hopper I/O" )
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PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
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PORT_DIPNAME( 0x20, 0x20, "2P Hopper I/O" )
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PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("1P Credit Clear") PORT_CODE(KEYCODE_A)
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("2P Credit Clear")
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1P Advance Button") //TODO: change this
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("2P Advance Button")
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PORT_START("IN1") // ppi0 (5001)
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@ -326,7 +426,43 @@ static INPUT_PORTS_START( kingdrby )
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PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_START("IN2") // ppi1 (6001)
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PORT_START("KEY_1P") // ppi1 (6001)
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PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("1P 1-2") PORT_CODE(KEYCODE_Q)
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PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("1P 1-3") PORT_CODE(KEYCODE_W)
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PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("1P 1-4") PORT_CODE(KEYCODE_E)
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PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("1P 1-5") PORT_CODE(KEYCODE_R)
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PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("1P 1-6") PORT_CODE(KEYCODE_T)
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PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("1P 2-3") PORT_CODE(KEYCODE_A)
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PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_NAME("1P 2-4") PORT_CODE(KEYCODE_S)
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PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_BUTTON8 ) PORT_NAME("1P 2-5") PORT_CODE(KEYCODE_D)
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PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_BUTTON9 ) PORT_NAME("1P 2-6") PORT_CODE(KEYCODE_F)
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PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_BUTTON10 ) PORT_NAME("1P 3-4") PORT_CODE(KEYCODE_G)
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PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_BUTTON11 ) PORT_NAME("1P 3-5") PORT_CODE(KEYCODE_H)
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PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_BUTTON12 ) PORT_NAME("1P 3-6") PORT_CODE(KEYCODE_Z)
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PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_BUTTON13 ) PORT_NAME("1P 4-5") PORT_CODE(KEYCODE_X)
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PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_BUTTON14 ) PORT_NAME("1P 4-6") PORT_CODE(KEYCODE_C)
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PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON15 ) PORT_NAME("1P 5-6") PORT_CODE(KEYCODE_V)
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PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNUSED )
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PORT_START("KEY_2P") // ppi1 (6001)
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PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("2P 1-2") PORT_CODE(KEYCODE_Q)
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PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("2P 1-3") PORT_CODE(KEYCODE_W)
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PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("2P 1-4") PORT_CODE(KEYCODE_E)
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PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("2P 1-5") PORT_CODE(KEYCODE_R)
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PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("2P 1-6") PORT_CODE(KEYCODE_T)
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PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("2P 2-3") PORT_CODE(KEYCODE_A)
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PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_NAME("2P 2-4") PORT_CODE(KEYCODE_S)
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PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_BUTTON8 ) PORT_NAME("2P 2-5") PORT_CODE(KEYCODE_D)
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PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_BUTTON9 ) PORT_NAME("2P 2-6") PORT_CODE(KEYCODE_F)
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PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_BUTTON10 ) PORT_NAME("2P 3-4") PORT_CODE(KEYCODE_G)
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PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_BUTTON11 ) PORT_NAME("2P 3-5") PORT_CODE(KEYCODE_H)
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PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_BUTTON12 ) PORT_NAME("2P 3-6") PORT_CODE(KEYCODE_Z)
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PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_BUTTON13 ) PORT_NAME("2P 4-5") PORT_CODE(KEYCODE_X)
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PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_BUTTON14 ) PORT_NAME("2P 4-6") PORT_CODE(KEYCODE_C)
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PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON15 ) PORT_NAME("2P 5-6") PORT_CODE(KEYCODE_V)
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PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNUSED )
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PORT_START("MUX0") // ppi1 (6002)
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PORT_DIPNAME( 0x01, 0x01, "SYSTEM" )
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PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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@ -352,7 +488,7 @@ static INPUT_PORTS_START( kingdrby )
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PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_START("IN3") // ppi1 (6002)
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PORT_START("MUX1")
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PORT_DIPNAME( 0x01, 0x01, "SYSTEM" )
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PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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@ -403,32 +539,6 @@ static INPUT_PORTS_START( kingdrby )
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PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
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PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_START("UNK")
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PORT_DIPNAME( 0x01, 0x01, "SYSTEM" )
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PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
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PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
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PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
|
||||
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
|
||||
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
|
||||
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
|
||||
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
|
||||
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
|
||||
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
|
||||
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
|
||||
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
|
||||
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
|
||||
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
|
||||
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
|
||||
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
|
||||
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
|
||||
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
|
||||
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
|
||||
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
|
||||
INPUT_PORTS_END
|
||||
|
||||
/*************************************
|
||||
@ -466,8 +576,8 @@ static const gfx_layout layout16x16x2 =
|
||||
};
|
||||
|
||||
static GFXDECODE_START( kingdrby )
|
||||
GFXDECODE_ENTRY( "gfx1", 0x0000, layout16x16x2, 0, 0x40 )
|
||||
GFXDECODE_ENTRY( "gfx2", 0x0000, layout8x8x2, 0, 0x40 )
|
||||
GFXDECODE_ENTRY( "gfx1", 0x0000, layout16x16x2, 0, 0x10 )
|
||||
GFXDECODE_ENTRY( "gfx2", 0x0000, layout8x8x2, 0, 0x80 )
|
||||
GFXDECODE_END
|
||||
|
||||
/**********************************************************************************************************
|
||||
@ -509,6 +619,32 @@ static const ay8910_interface ay8910_config =
|
||||
DEVCB_NULL
|
||||
};
|
||||
|
||||
/* mame default palette doesn't suit well with this game, so we add a dummy color_prom initialization.*/
|
||||
static PALETTE_INIT(kingdrby)
|
||||
{
|
||||
int bit0, bit1, bit2 , r, g, b;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 0x200; ++i)
|
||||
{
|
||||
bit0 = (color_prom[0] >> 0) & 0x01;
|
||||
bit1 = (color_prom[0] >> 1) & 0x01;
|
||||
bit2 = (color_prom[0] >> 2) & 0x01;
|
||||
r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
bit0 = (color_prom[0] >> 3) & 0x01;
|
||||
bit1 = (color_prom[0] >> 4) & 0x01;
|
||||
bit2 = (color_prom[0] >> 5) & 0x01;
|
||||
g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
bit0 = 0;
|
||||
bit1 = (color_prom[0] >> 6) & 0x01;
|
||||
bit2 = (color_prom[0] >> 7) & 0x01;
|
||||
b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
|
||||
palette_set_color(machine, i, MAKE_RGB(r, g, b));
|
||||
color_prom++;
|
||||
}
|
||||
}
|
||||
|
||||
static MACHINE_DRIVER_START( kingdrby )
|
||||
MDRV_CPU_ADD("master", Z80, CLK_2)
|
||||
MDRV_CPU_PROGRAM_MAP(master_map,0)
|
||||
@ -531,7 +667,8 @@ static MACHINE_DRIVER_START( kingdrby )
|
||||
MDRV_PPI8255_ADD( "ppi8255_1", ppi8255_intf[1] )
|
||||
|
||||
MDRV_GFXDECODE(kingdrby)
|
||||
MDRV_PALETTE_LENGTH(0x100)
|
||||
MDRV_PALETTE_LENGTH(0x200)
|
||||
MDRV_PALETTE_INIT(kingdrby)
|
||||
|
||||
MDRV_SCREEN_ADD("main", RASTER)
|
||||
MDRV_SCREEN_REFRESH_RATE(60)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user