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https://github.com/holub/mame
synced 2025-05-24 14:56:21 +03:00
Added sound banking to the mirage.c driver.
This commit is contained in:
Angelo Salese
parent
7f39a3503c
commit
6f6ace4bb7
@ -1,9 +1,8 @@
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/* Mirage Youjuu Mahjongden
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TODO:
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-eeprom emulation?
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-priorities
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-sample banking
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-eeprom emulation? Software settings all changes if you toggle the "flip screen" dip-switch
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-priorities.
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Notes:To enter into Test Mode you need to keep pressed the Mahjong A button at start-up.
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*/
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@ -133,22 +132,11 @@ static VIDEO_UPDATE(mirage)
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return 0;
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}
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static READ16_HANDLER( mirage_controls_r )
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{
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return input_port_read(machine, "SYSTEM_IN");
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}
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static READ16_HANDLER( random_readers )
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{
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return mame_rand(machine);
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}
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static UINT32 mux_data;
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static WRITE16_HANDLER( mirage_mux_w )
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{
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mux_data = data & 0xffff;
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mux_data = data & 0x1f;
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}
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static READ16_HANDLER( mirage_input_r )
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@ -165,6 +153,26 @@ static READ16_HANDLER( mirage_input_r )
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return 0xffff;
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}
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static WRITE16_HANDLER( okim1_rombank_w )
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{
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if(ACCESSING_BITS_0_7)
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{
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UINT8 *oki = memory_region(machine, "oki2");
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memcpy(&oki[0], &oki[(data & 3) * 0x40000] + 0x100000, 0x40000);
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}
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}
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static WRITE16_HANDLER( okim0_rombank_w )
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{
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/*bits 4-6 used?Volume control?*/
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if(ACCESSING_BITS_0_7)
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{
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UINT8 *oki = memory_region(machine, "oki1");
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memcpy(&oki[0], &oki[(data & 7) * 0x40000] + 0x200000, 0x40000);
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}
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}
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static ADDRESS_MAP_START( mirage_readmem, ADDRESS_SPACE_PROGRAM, 16 )
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AM_RANGE(0x000000, 0x07ffff) AM_READ(SMH_ROM)
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@ -178,16 +186,15 @@ static ADDRESS_MAP_START( mirage_readmem, ADDRESS_SPACE_PROGRAM, 16 )
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AM_RANGE(0x130000, 0x1307ff) AM_READ(SMH_RAM)
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AM_RANGE(0x140006, 0x140007) AM_READ(random_readers)
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// AM_RANGE(0x140006, 0x140007) AM_READ(random_readers)
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AM_RANGE(0x150006, 0x150007) AM_READ(SMH_NOP)
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// AM_RANGE(0x150006, 0x150007) AM_READ(SMH_NOP)
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AM_RANGE(0x16c006, 0x16c007) AM_READ(mirage_input_r)
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AM_RANGE(0x16e002, 0x16e003) AM_READ(mirage_controls_r)
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AM_RANGE(0x16e002, 0x16e003) AM_READ_PORT("SYSTEM_IN")
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AM_RANGE(0x170000, 0x173fff) AM_READ(SMH_RAM)
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( mirage_writemem, ADDRESS_SPACE_PROGRAM, 16 )
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@ -204,15 +211,8 @@ static ADDRESS_MAP_START( mirage_writemem, ADDRESS_SPACE_PROGRAM, 16 )
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AM_RANGE(0x130000, 0x1307ff) AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE(&paletteram16)
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AM_RANGE(0x140000, 0x140001) AM_READWRITE(okim6295_status_1_lsb_r, okim6295_data_1_lsb_w)
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AM_RANGE(0x140002, 0x140003) AM_READWRITE(okim6295_status_1_lsb_r, okim6295_data_1_lsb_w)
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// AM_RANGE(0x140008, 0x140009) AM_WRITE(okim1_rombank_w)
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AM_RANGE(0x150000, 0x150001) AM_READWRITE(okim6295_status_0_lsb_r, okim6295_data_0_lsb_w)
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AM_RANGE(0x150002, 0x150003) AM_READWRITE(okim6295_status_0_lsb_r, okim6295_data_0_lsb_w)
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// AM_RANGE(0x150008, 0x150009) AM_WRITE(okim0_rombank_w)
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AM_RANGE(0x140000, 0x14000f) AM_READWRITE(okim6295_status_1_lsb_r, okim6295_data_1_lsb_w)
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AM_RANGE(0x150000, 0x15000f) AM_READWRITE(okim6295_status_0_lsb_r, okim6295_data_0_lsb_w)
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AM_RANGE(0x160000, 0x160001) AM_WRITE(SMH_NOP)
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@ -220,8 +220,8 @@ static ADDRESS_MAP_START( mirage_writemem, ADDRESS_SPACE_PROGRAM, 16 )
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AM_RANGE(0x16a000, 0x16a001) AM_WRITE(SMH_NOP)
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AM_RANGE(0x16c000, 0x16c001) AM_WRITE(SMH_NOP)
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AM_RANGE(0x16c002, 0x16c003) AM_WRITE(SMH_NOP)
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AM_RANGE(0x16c000, 0x16c001) AM_WRITE(okim1_rombank_w)
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AM_RANGE(0x16c002, 0x16c003) AM_WRITE(okim0_rombank_w)
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AM_RANGE(0x16c004, 0x16c005) AM_WRITE(mirage_mux_w)
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AM_RANGE(0x16e000, 0x16e001) AM_WRITE(SMH_NOP)
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@ -382,7 +382,7 @@ static MACHINE_DRIVER_START( mirage )
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MDRV_SOUND_ADD("oki2", OKIM6295, 1000000)
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MDRV_SOUND_CONFIG(okim6295_interface_pin7high) // clock frequency & pin 7 not verified
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
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MACHINE_DRIVER_END
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@ -398,58 +398,18 @@ ROM_START( mirage )
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ROM_LOAD16_BYTE( "mbl-01.11a", 0x000001, 0x200000, CRC(895be69a) SHA1(541d8f37fb4cf99312b80a0eb0d729fbbeab5f4f) )
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ROM_LOAD16_BYTE( "mbl-02.12a", 0x000000, 0x200000, CRC(474f6104) SHA1(ff81b32b90192c3d5f27c436a9246aa6caaeeeee) )
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ROM_REGION( 0x200000, "oki1", 0 ) /* M6295 samples */
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ROM_REGION( 0x400000, "oki1", 0 ) /* M6295 samples */
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ROM_LOAD( "mbl-03.10a", 0x000000, 0x200000, CRC(4a599703) SHA1(b49e84faa2d6acca952740d30fc8d1a33ac47e79) )
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ROM_RELOAD( 0x200000, 0x200000 )
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ROM_REGION( 0x100000, "oki2", 0 ) /* M6295 samples */
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ROM_REGION( 0x200000, "oki2", 0 ) /* M6295 samples */
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ROM_LOAD( "mbl-04.12k", 0x000000, 0x100000, CRC(b533123d) SHA1(2cb2f11331d00c2d282113932ed2836805f4fc6e) )
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ROM_RELOAD( 0x100000, 0x100000 )
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ROM_END
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#if 0
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static void descramble_sound( running_machine *machine, const char *region )
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{
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UINT8 *rom = memory_region(machine, region);
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int length = memory_region_length(machine, region);
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UINT8 *buf1 = malloc_or_die(length);
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UINT32 x;
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for (x=0;x<length;x++)
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{
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UINT32 addr;
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addr = BITSWAP24 (x,23,22,21,0, 20,
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19,18,17,16,
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15,14,13,12,
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11,10,9, 8,
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7, 6, 5, 4,
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3, 2, 1 );
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buf1[addr] = rom[x];
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}
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memcpy(rom,buf1,length);
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free (buf1);
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#if 0
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{
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FILE *fp;
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fp=fopen("sound.dmp", "w+b");
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if (fp)
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{
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fwrite(rom, length, 1, fp);
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fclose(fp);
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}
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}
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#endif
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}
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#endif
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static DRIVER_INIT( mirage )
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{
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deco56_decrypt_gfx(machine, "gfx1");
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//descramble_sound(machine, "oki1");
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}
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GAME( 1994, mirage, 0, mirage, mirage, mirage, ROT0, "Mitchell", "Mirage Youjuu Mahjongden (Japan)", GAME_IMPERFECT_GRAPHICS | GAME_IMPERFECT_SOUND )
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GAME( 1994, mirage, 0, mirage, mirage, mirage, ROT0, "Mitchell", "Mirage Youjuu Mahjongden (Japan)", GAME_IMPERFECT_GRAPHICS )
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