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r19677 Tuesday 18th December, 2012 at 23:48:58 UTC by Angelo Salese
Fixed GRCG hook-up in PC-9821
[src/mess/drivers]mz2500.c pc9801.c

trunk/src/mess/drivers/pc9801.c
r19676r19677
8787   - Bishoujo Audition: Moans with a "(program) ended. remove the floppy disk and turn off the poewr."
8888   - Bishoujo Hunter ZX: Doesn't color cycle at intro (seems stuck?), doesn't clear text selection at new game screen;
8989   - Bishoujo Shanshinkan: has white rectangles all over the place;
90   - Bishoujo Tsuushin: hangs with a beep while writing some intro text;
9091
9192    - Dragon Buster: slight issue with window masking;
9293    - Far Side Moon: doesn't detect sound board (tied to 0x00ec ports)
r19676r19677
428429   UINT8 *m_ide_ram;
429430   UINT8 *m_unk_rom;
430431   UINT8 *m_ext_gvram;
431   UINT8 *m_vram256;
432432   UINT8 m_pc9821_window_bank;
433433   UINT8 m_joy_sel;
434434   UINT8 m_ext2_ff;
r19676r19677
499499   DECLARE_WRITE8_MEMBER(pc9821_video_ff_w);
500500   DECLARE_READ8_MEMBER(pc9821_a0_r);
501501   DECLARE_WRITE8_MEMBER(pc9821_a0_w);
502   DECLARE_READ8_MEMBER(pc9821_pit_r);
503   DECLARE_WRITE8_MEMBER(pc9821_pit_w);
502   DECLARE_READ8_MEMBER(pc9801rs_pit_mirror_r);
503   DECLARE_WRITE8_MEMBER(pc9801rs_pit_mirror_w);
504504   DECLARE_READ8_MEMBER(ide_status_r);
505505   DECLARE_READ8_MEMBER(pc9801rs_access_ctrl_r);
506506   DECLARE_WRITE8_MEMBER(pc9801rs_access_ctrl_w);
507507   DECLARE_READ8_MEMBER(pc9821_memory_r);
508508   DECLARE_WRITE8_MEMBER(pc9821_memory_w);
509   DECLARE_READ8_MEMBER(pc9821_vram256_r);
510   DECLARE_WRITE8_MEMBER(pc9821_vram256_w);
511509   DECLARE_READ8_MEMBER(opn_porta_r);
512510   DECLARE_WRITE8_MEMBER(opn_portb_w);
513511//   DECLARE_READ8_MEMBER(pc9801_ext_opna_r);
r19676r19677
20502048   return 0xff;
20512049}
20522050
2051READ8_MEMBER(pc9801_state::pc9801rs_pit_mirror_r)
2052{
2053   if((offset & 1) == 0)
2054   {
2055      printf("Read to undefined port [%04x]\n",offset+0x3fd8);
2056      return 0xff;
2057   }
2058   else // odd
2059   {
2060      if(offset & 0x08)
2061         printf("Read to undefined port [%02x]\n",offset+0x3fd8);
2062      else
2063         return pit8253_r(machine().device("pit8253"), space, (offset & 6) >> 1);
2064   }
2065
2066   return 0xff;
2067}
2068
2069WRITE8_MEMBER(pc9801_state::pc9801rs_pit_mirror_w)
2070{
2071   if((offset & 1) == 0)
2072   {
2073      printf("Write to undefined port [%04x] <- %02x\n",offset+0x3fd8,data);
2074   }
2075   else // odd
2076   {
2077      if(offset < 0x08)
2078         pit8253_w(machine().device("pit8253"), space, (offset & 6) >> 1, data);
2079      else
2080         printf("Write to undefined port [%04x] <- %02x\n",offset+0x3fd8,data);
2081   }
2082}
2083
20532084static ADDRESS_MAP_START( pc9801rs_map, AS_PROGRAM, 32, pc9801_state )
20542085   AM_RANGE(0x00000000, 0xffffffff) AM_READWRITE8(pc9801rs_memory_r,pc9801rs_memory_w,0xffffffff)
20552086ADDRESS_MAP_END
r19676r19677
20762107//   AM_RANGE(0x0188, 0x018f) AM_READWRITE8(pc9801_opn_r,       pc9801_opn_w,       0xffffffff) //ym2203 opn / <undefined>
20772108   AM_RANGE(0x0438, 0x043b) AM_READWRITE8(pc9801rs_access_ctrl_r,pc9801rs_access_ctrl_w,0xffffffff)
20782109   AM_RANGE(0x043c, 0x043f) AM_WRITE8(pc9801rs_bank_w,    0xffffffff) //ROM/RAM bank
2110   AM_RANGE(0x3fd8, 0x3fdf) AM_READWRITE8(pc9801rs_pit_mirror_r,        pc9801rs_pit_mirror_w,        0xffffffff) // <undefined> / pit mirror ports
20792111   AM_RANGE(0x7fd8, 0x7fdf) AM_READWRITE8(pc9801_mouse_r,     pc9801_mouse_w,     0xffffffff) // <undefined> / mouse ppi8255 ports
20802112//   AM_RANGE(0xa460, 0xa463) AM_READWRITE8(pc9801_ext_opna_r,  pc9801_ext_opna_w,  0xffffffff)
20812113   AM_RANGE(0xbfd8, 0xbfdf) AM_WRITE8(pc9801rs_mouse_freq_w, 0xffffffff)
r19676r19677
21392171//   AM_RANGE(0x0188, 0x018f) AM_READWRITE8(pc9801_opn_r,       pc9801_opn_w,       0xffff) //ym2203 opn / <undefined>
21402172   AM_RANGE(0x0438, 0x043b) AM_READWRITE8(pc9801rs_access_ctrl_r,pc9801rs_access_ctrl_w,0xffff)
21412173   AM_RANGE(0x043c, 0x043f) AM_WRITE8(pc9801rs_bank_w,    0xffff) //ROM/RAM bank
2174   AM_RANGE(0x3fd8, 0x3fdf) AM_READWRITE8(pc9801rs_pit_mirror_r,        pc9801rs_pit_mirror_w,        0xffff) // <undefined> / pit mirror ports
21422175   AM_RANGE(0x7fd8, 0x7fdf) AM_READWRITE8(pc9801_mouse_r,     pc9801_mouse_w,     0xffff) // <undefined> / mouse ppi8255 ports
21432176//   AM_RANGE(0xa460, 0xa463) AM_READWRITE8(pc9801_ext_opna_r,  pc9801_ext_opna_w,  0xffff)
21442177
r19676r19677
21542187READ8_MEMBER(pc9801_state::pc9821_ide_r) { return m_ide_rom[offset]; }
21552188READ8_MEMBER(pc9801_state::pc9821_unkrom_r) { return m_unk_rom[offset]; }
21562189
2157READ8_MEMBER(pc9801_state::pc9821_vram256_r)
2158{
2159   if(m_ex_video_ff[ANALOG_256_MODE])
2160      return m_vram256[offset];
2161
2162   return m_pc9801rs_grcg_r(offset & 0x7fff,0);
2163}
2164
2165WRITE8_MEMBER(pc9801_state::pc9821_vram256_w)
2166{
2167   if(m_ex_video_ff[ANALOG_256_MODE])
2168   {
2169      m_vram256[offset] = data;
2170      return;
2171   }
2172
2173   m_pc9801rs_grcg_w(offset & 0x7fff,0,data);
2174}
2175
21762190/* Note: not hooking this up causes "MEMORY ERROR" at POST */
21772191READ8_MEMBER(pc9801_state::pc9821_ideram_r) { return m_ide_ram[offset]; }
21782192WRITE8_MEMBER(pc9801_state::pc9821_ideram_w) { m_ide_ram[offset] = data; }
r19676r19677
21952209//  else if(offset >= 0x00080000 && offset <= 0x0009ffff)                   { return pc9821_winram_r(space,offset & 0x1ffff);     }
21962210   else if(offset >= 0x000a0000 && offset <= 0x000a3fff)                   { return pc9801_tvram_r(space,offset-0xa0000);        }
21972211   else if(offset >= 0x000a4000 && offset <= 0x000a4fff)                   { return pc9801rs_knjram_r(space,offset & 0xfff);     }
2198   else if(offset >= 0x000a8000 && offset <= 0x000bffff)                   { return pc9801_gvram_r(space,offset-0xa8000);        }
2212   else if(offset >= 0x000a8000 && offset <= 0x000affff)                   { return m_pc9801rs_grcg_r(offset & 0x7fff,1);        }
2213   else if(offset >= 0x000b0000 && offset <= 0x000b7fff)                   { return m_pc9801rs_grcg_r(offset & 0x7fff,2);        }
2214   else if(offset >= 0x000b8000 && offset <= 0x000bffff)                   { return m_pc9801rs_grcg_r(offset & 0x7fff,3);        }
21992215   else if(offset >= 0x000cc000 && offset <= 0x000cffff)               { return pc9821_unkrom_r(space,offset & 0x3fff);      }
22002216   else if(offset >= 0x000d8000 && offset <= 0x000d9fff)               { return pc9821_ide_r(space,offset & 0x1fff);         }
22012217   else if(offset >= 0x000da000 && offset <= 0x000dbfff)               { return pc9821_ideram_r(space,offset & 0x1fff);      }
2202   else if(offset >= 0x000e0000 && offset <= 0x000e7fff)                   { return pc9821_vram256_r(space,offset & 0x1ffff);    }
2218   else if(offset >= 0x000e0000 && offset <= 0x000e7fff)                   { return m_pc9801rs_grcg_r(offset & 0x7fff,0);        }
22032219   else if(offset >= 0x000e0000 && offset <= 0x000fffff)                   { return pc9801rs_ipl_r(space,offset & 0x1ffff);      }
22042220   else if(offset >= 0x00100000 && offset <= 0x00100000+m_ram_size-1)      { return pc9801rs_ex_wram_r(space,offset-0x00100000); }
22052221   else if(offset >= 0x00f00000 && offset <= 0x00f9ffff)               { return pc9821_ext_gvram_r(space,offset-0x00f00000); }
r19676r19677
22242240//  else if(offset >= 0x00080000 && offset <= 0x0009ffff)                   { pc9821_winram_w(space,offset & 0x1ffff,data);        }
22252241   else if(offset >= 0x000a0000 && offset <= 0x000a3fff)                   { pc9801_tvram_w(space,offset-0xa0000,data);           }
22262242   else if(offset >= 0x000a4000 && offset <= 0x000a4fff)                   { pc9801rs_knjram_w(space,offset & 0xfff,data);        }
2227   else if(offset >= 0x000a8000 && offset <= 0x000bffff)                   { pc9801_gvram_w(space,offset-0xa8000,data);           }
2243   else if(offset >= 0x000a8000 && offset <= 0x000affff)                   { m_pc9801rs_grcg_w(offset & 0x7fff,1,data);        }
2244   else if(offset >= 0x000b0000 && offset <= 0x000b7fff)                   { m_pc9801rs_grcg_w(offset & 0x7fff,2,data);        }
2245   else if(offset >= 0x000b8000 && offset <= 0x000bffff)                   { m_pc9801rs_grcg_w(offset & 0x7fff,3,data);        }
22282246   else if(offset >= 0x000cc000 && offset <= 0x000cffff)               { /* TODO: shadow ROM */                               }
22292247   else if(offset >= 0x000d8000 && offset <= 0x000d9fff)               { /* TODO: shadow ROM */                               }
22302248   else if(offset >= 0x000da000 && offset <= 0x000dbfff)               { pc9821_ideram_w(space,offset & 0x1fff,data);         }
2231   else if(offset >= 0x000e0000 && offset <= 0x000e7fff)                   { pc9821_vram256_w(space,offset & 0x1ffff,data);       }
2249   else if(offset >= 0x000e0000 && offset <= 0x000e7fff)                   { m_pc9801rs_grcg_w(offset & 0x7fff,0,data);        }
22322250   else if(offset >= 0x000e8000 && offset <= 0x000fffff)               { /* TODO: shadow ROM */                               }
22332251   else if(offset >= 0x00100000 && offset <= 0x00100000+m_ram_size-1)      { pc9801rs_ex_wram_w(space,offset-0x00100000,data);    }
22342252   else if(offset >= 0x00f00000 && offset <= 0x00f9ffff)               { pc9821_ext_gvram_w(space,offset-0x00f00000,data);    }
r19676r19677
23022320   pc9801rs_a0_w(space,offset,data);
23032321}
23042322
2305READ8_MEMBER(pc9801_state::pc9821_pit_r)
2306{
2307   if((offset & 1) == 0)
2308   {
2309      printf("Read to undefined port [%04x]\n",offset+0x3fd8);
2310      return 0xff;
2311   }
2312   else // odd
2313   {
2314      if(offset & 0x08)
2315         printf("Read to undefined port [%02x]\n",offset+0x3fd8);
2316      else
2317         return pit8253_r(machine().device("pit8253"), space, (offset & 6) >> 1);
2318   }
2319
2320   return 0xff;
2321}
2322
2323WRITE8_MEMBER(pc9801_state::pc9821_pit_w)
2324{
2325   if((offset & 1) == 0)
2326   {
2327      printf("Write to undefined port [%04x] <- %02x\n",offset+0x3fd8,data);
2328   }
2329   else // odd
2330   {
2331      if(offset < 0x08)
2332         pit8253_w(machine().device("pit8253"), space, (offset & 6) >> 1, data);
2333      else
2334         printf("Write to undefined port [%04x] <- %02x\n",offset+0x3fd8,data);
2335   }
2336}
2337
23382323READ8_MEMBER(pc9801_state::ide_status_r)
23392324{
23402325   return 0x50; // status
r19676r19677
24922477//  AM_RANGE(0x0c2d, 0x0c2d) cs4231 PCM board hi byte control
24932478//  AM_RANGE(0x0cc0, 0x0cc7) SCSI interface / <undefined>
24942479//  AM_RANGE(0x0cfc, 0x0cff) PCI bus
2495   AM_RANGE(0x3fd8, 0x3fdf) AM_READWRITE8(pc9821_pit_r,        pc9821_pit_w,        0xffffffff) // <undefined> / pit mirror ports
2480   AM_RANGE(0x3fd8, 0x3fdf) AM_READWRITE8(pc9801rs_pit_mirror_r,        pc9801rs_pit_mirror_w,        0xffffffff) // <undefined> / pit mirror ports
24962481   AM_RANGE(0x7fd8, 0x7fdf) AM_READWRITE8(pc9801_mouse_r,      pc9801_mouse_w,      0xffffffff) // <undefined> / mouse ppi8255 ports
24972482   AM_RANGE(0x841c, 0x841f) AM_READWRITE8(sdip_0_r,sdip_0_w,0xffffffff)
24982483   AM_RANGE(0x851c, 0x851f) AM_READWRITE8(sdip_1_r,sdip_1_w,0xffffffff)
r19676r19677
34773462   MACHINE_START_CALL_MEMBER(pc9801rs);
34783463
34793464   m_ide_ram = auto_alloc_array(machine(), UINT8, 0x2000);
3480   m_vram256 = auto_alloc_array(machine(), UINT8, 0x8000);
34813465   m_ext_gvram = auto_alloc_array(machine(), UINT8, 0xa0000);
34823466   m_ide_rom = memregion("ide")->base();
34833467   m_unk_rom = memregion("unkrom")->base();
34843468
34853469   state_save_register_global_pointer(machine(), m_sdip, 24);
34863470   state_save_register_global_pointer(machine(), m_ide_ram, 0x2000);
3487   state_save_register_global_pointer(machine(), m_vram256, 0x8000);
34883471   state_save_register_global_pointer(machine(), m_ext_gvram, 0xa0000);
34893472}
34903473
trunk/src/mess/drivers/mz2500.c
r19676r19677
2424    - Mugen no Shinzou II - The Prince of Darkness: dies on IPLPRO loading, presumably a wd17xx core bug;
2525    - Multiplan: random hangs/crashes after you set the RTC, sometimes it loads properly;
2626    - Murder Club: has lots of CG artifacts, FDC issue?
27    - Orbit 3: floppy issue makes it to throw a game over as soon as you start a game;
27    - Orrbit 3: floppy issue makes it to throw a game over as soon as you start a game;
2828    - Penguin Kun Wars: has a bug with window effects ("Push space or trigger" msg on the bottom"), needs investigation;
2929    - Sound Gal Music Editor: wants a "master disk", that apparently isn't available;
3030    - Yukar K2 (normal version): moans about something, DFJustin: "please put the system disk back to normal", disk write-protected?

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