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Fixed address mirroring on the slave sound cpu on Zaccaria hardware; it seems possible that the /NMI triggered test mode (triggered by a push button on the sound pcb) doesn't work on real hardware at all.

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This commit is contained in:
Jonathan Gevaryahu 2010-07-19 01:14:03 +00:00
parent bd29cc08b1
commit bafa2023e9
1 changed files with 37 additions and 13 deletions
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50
src/mame/drivers/zaccaria.c
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@ -31,7 +31,9 @@ Notes:
- The 6802 driving the TMS5220 has a push button connected to the NMI line. On - The 6802 driving the TMS5220 has a push button connected to the NMI line. On
Zaccaria pinballs, when pressed, this causes the speech 6802 and the slave Zaccaria pinballs, when pressed, this causes the speech 6802 and the slave
sound 6802 to play a few speech effects and sound effects; sound 6802 to play a few speech effects and sound effects;
This currently doesn't work in MAME This currently doesn't work in MAME, and tracing the code it seems the code is
possibly broken, made up of nonfunctional leftovers of some of the pinball test
mode code.
***************************************************************************/ ***************************************************************************/
@ -286,18 +288,38 @@ static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
ADDRESS_MAP_END ADDRESS_MAP_END
/* slave sound cpu, produces music and sound effects */ /* slave sound cpu, produces music and sound effects */
/* mapping:
A15 A14 A13 A12 A11 A10 A09 A08 A07 A06 A05 A04 A03 A02 A01 A00
0 0 0 0 0 0 0 0 0 * * * * * * * RW 6802 internal ram
0 0 0 x x x x x x x x x x x x x Open bus (for area that doesn't overlap ram)
0 0 1 x x x x x x x x x x x x x Open bus
0 1 0 x x x x x x x x x 0 0 x x Open bus
0 1 0 x x x x x x x x x 0 1 x x Open bus
0 1 0 x x x x x x x x x 1 0 x x Open bus
0 1 0 x x x x x x x x x 1 1 * * RW 6821 PIA @ 4I
0 1 1 x x x x x x x x x x x x x Open bus
1 0 % % * * * * * * * * * * * * R /CS4A: Enable Rom 13
1 1 % % * * * * * * * * * * * * R /CS5A: Enable Rom 9
note that the % bits go to pins 2 (6802 A12) and 26 (6802 A13) of the roms
monymony and jackrabt both use 2764 roms, which use pin 2 as A12 and pin 26 as N/C don't care
hence for actual chips used, the mem map is:
1 0 x * * * * * * * * * * * * * R /CS4A: Enable Rom 13
1 1 x * * * * * * * * * * * * * R /CS5A: Enable Rom 9
6821 PIA: CA1 comes from the master sound cpu's latch bit 7 (which is also connected to the AY chip at 4G's IOB1); CB1 comes from a periodic counter clocked by the 6802's clock, divided by 4096. CA2 and CB2 are disconnected. PA0-7 connect to the data busses of the AY-3-8910 chips; PB0 and PB1 connect to the BC1 and BDIR pins of the AY chip at 4G; PB2 and PB3 connect to the BC1 and BDIR pins of the AY chip at 4H.
*/
static ADDRESS_MAP_START( sound_map_1, ADDRESS_SPACE_PROGRAM, 8 ) static ADDRESS_MAP_START( sound_map_1, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x007f) AM_RAM AM_RANGE(0x0000, 0x007f) AM_RAM
AM_RANGE(0x500c, 0x500f) AM_DEVREADWRITE("pia0", pia6821_r, pia6821_w) AM_RANGE(0x500c, 0x500f) AM_DEVREADWRITE("pia0", pia6821_r, pia6821_w) AM_MIRROR(0x1ff0)
AM_RANGE(0xa000, 0xbfff) AM_ROM AM_RANGE(0x8000, 0x9fff) AM_ROM AM_MIRROR(0x2000) // rom 13
AM_RANGE(0xe000, 0xffff) AM_ROM AM_RANGE(0xc000, 0xdfff) AM_ROM AM_MIRROR(0x2000) // rom 9
ADDRESS_MAP_END ADDRESS_MAP_END
/* master sound cpu, controls speech directly */ /* master sound cpu, controls speech directly */
/* mapping: /* mapping:
A15 A14 A13 A12 A11 A10 A09 A08 A07 A06 A05 A04 A03 A02 A01 A00 A15 A14 A13 A12 A11 A10 A09 A08 A07 A06 A05 A04 A03 A02 A01 A00
0 0 0 0 0 0 0 0 0 * * * * * * * RW 6802 internal ram 0 0 0 0 0 0 0 0 0 * * * * * * * RW 6802 internal ram
**** x 0 0 0 x x x x 1 x x 0 x x * * Open bus (test mode writes as if there was another PIA here)
x 0 0 0 x x x x 1 x x 1 x x * * RW 6821 PIA @ 1I x 0 0 0 x x x x 1 x x 1 x x * * RW 6821 PIA @ 1I
x 0 0 1 0 0 x x x x x x x x x x W MC1408 DAC x 0 0 1 0 0 x x x x x x x x x x W MC1408 DAC
x x 0 1 0 1 x x x x x x x x x x W Command to slave sound1 cpu x x 0 1 0 1 x x x x x x x x x x W Command to slave sound1 cpu
@ -310,6 +332,8 @@ ADDRESS_MAP_END
hence for actual chips used, the mem map is: hence for actual chips used, the mem map is:
x * 1 0 * * * * * * * * * * * * R /CS1A: Enable Rom 8 x * 1 0 * * * * * * * * * * * * R /CS1A: Enable Rom 8
x * 1 1 * * * * * * * * * * * * R /CS0A: Enable Rom 7 x * 1 1 * * * * * * * * * * * * R /CS0A: Enable Rom 7
6821 PIA: PA0-7, CA2 and CB1 connect to the TMS5200; CA1 and CB2 are disconnected, though the test mode assumes there's something connected to CB2 (possibly another LED like the one connected to PB4); PB3 connects to 'ACS' which goes to the z80.
*/ */
static ADDRESS_MAP_START( sound_map_2, ADDRESS_SPACE_PROGRAM, 8 ) static ADDRESS_MAP_START( sound_map_2, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x007f) AM_RAM /* 6802 internal ram */ AM_RANGE(0x0000, 0x007f) AM_RAM /* 6802 internal ram */
@ -642,8 +666,8 @@ ROM_START( monymony )
ROM_CONTINUE( 0xd000, 0x1000 ) ROM_CONTINUE( 0xd000, 0x1000 )
ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for first 6802 */ ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for first 6802 */
ROM_LOAD( "snd13.2g", 0xa000, 0x2000, CRC(78b01b98) SHA1(2aabed56cdae9463deb513c0c5021f6c8dfd271e) ) ROM_LOAD( "snd13.2g", 0x8000, 0x2000, CRC(78b01b98) SHA1(2aabed56cdae9463deb513c0c5021f6c8dfd271e) )
ROM_LOAD( "snd9.1i", 0xe000, 0x2000, CRC(94e3858b) SHA1(04961f67b95798b530bd83355dec612389f22255) ) ROM_LOAD( "snd9.1i", 0xc000, 0x2000, CRC(94e3858b) SHA1(04961f67b95798b530bd83355dec612389f22255) )
ROM_REGION( 0x10000, "audio2", 0 ) /* 64k for second 6802 */ ROM_REGION( 0x10000, "audio2", 0 ) /* 64k for second 6802 */
ROM_LOAD( "snd8.1h", 0x2000, 0x1000, CRC(aad76193) SHA1(e08fc184efced392ee902c4cc9daaaf3310cdfe2) ) ROM_LOAD( "snd8.1h", 0x2000, 0x1000, CRC(aad76193) SHA1(e08fc184efced392ee902c4cc9daaaf3310cdfe2) )
@ -677,8 +701,8 @@ ROM_START( jackrabt )
ROM_LOAD( "cpu-01.6h", 0xd000, 0x1000, CRC(dd5979cf) SHA1(e9afe7002b2258a1c3132bdd951c6e20d473fb6a) ) ROM_LOAD( "cpu-01.6h", 0xd000, 0x1000, CRC(dd5979cf) SHA1(e9afe7002b2258a1c3132bdd951c6e20d473fb6a) )
ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for first 6802 */ ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for first 6802 */
ROM_LOAD( "13snd.2g", 0xa000, 0x2000, CRC(fc05654e) SHA1(ed9c66672fe89c41e320e1d27b53f5efa92dce9c) ) ROM_LOAD( "13snd.2g", 0x8000, 0x2000, CRC(fc05654e) SHA1(ed9c66672fe89c41e320e1d27b53f5efa92dce9c) )
ROM_LOAD( "9snd.1i", 0xe000, 0x2000, CRC(3dab977f) SHA1(3e79c06d2e70b050f01b7ac58be5127ba87904b0) ) ROM_LOAD( "9snd.1i", 0xc000, 0x2000, CRC(3dab977f) SHA1(3e79c06d2e70b050f01b7ac58be5127ba87904b0) )
ROM_REGION( 0x10000, "audio2", 0 ) /* 64k for second 6802 */ ROM_REGION( 0x10000, "audio2", 0 ) /* 64k for second 6802 */
ROM_LOAD( "8snd.1h", 0x2000, 0x1000, CRC(f4507111) SHA1(0513f0831b94aeda84aa4f3b4a7c60dfc5113b2d) ) ROM_LOAD( "8snd.1h", 0x2000, 0x1000, CRC(f4507111) SHA1(0513f0831b94aeda84aa4f3b4a7c60dfc5113b2d) )
@ -716,8 +740,8 @@ ROM_START( jackrabt2 )
ROM_CONTINUE( 0xd000, 0x1000 ) ROM_CONTINUE( 0xd000, 0x1000 )
ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for first 6802 */ ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for first 6802 */
ROM_LOAD( "13snd.2g", 0xa000, 0x2000, CRC(fc05654e) SHA1(ed9c66672fe89c41e320e1d27b53f5efa92dce9c) ) ROM_LOAD( "13snd.2g", 0x8000, 0x2000, CRC(fc05654e) SHA1(ed9c66672fe89c41e320e1d27b53f5efa92dce9c) )
ROM_LOAD( "9snd.1i", 0xe000, 0x2000, CRC(3dab977f) SHA1(3e79c06d2e70b050f01b7ac58be5127ba87904b0) ) ROM_LOAD( "9snd.1i", 0xc000, 0x2000, CRC(3dab977f) SHA1(3e79c06d2e70b050f01b7ac58be5127ba87904b0) )
ROM_REGION( 0x10000, "audio2", 0 ) /* 64k for second 6802 */ ROM_REGION( 0x10000, "audio2", 0 ) /* 64k for second 6802 */
ROM_LOAD( "8snd.1h", 0x2000, 0x1000, CRC(f4507111) SHA1(0513f0831b94aeda84aa4f3b4a7c60dfc5113b2d) ) ROM_LOAD( "8snd.1h", 0x2000, 0x1000, CRC(f4507111) SHA1(0513f0831b94aeda84aa4f3b4a7c60dfc5113b2d) )
@ -751,8 +775,8 @@ ROM_START( jackrabts )
ROM_CONTINUE( 0xd000, 0x1000 ) ROM_CONTINUE( 0xd000, 0x1000 )
ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for first 6802 */ ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for first 6802 */
ROM_LOAD( "13snd.2g", 0xa000, 0x2000, CRC(fc05654e) SHA1(ed9c66672fe89c41e320e1d27b53f5efa92dce9c) ) ROM_LOAD( "13snd.2g", 0x8000, 0x2000, CRC(fc05654e) SHA1(ed9c66672fe89c41e320e1d27b53f5efa92dce9c) )
ROM_LOAD( "9snd.1i", 0xe000, 0x2000, CRC(3dab977f) SHA1(3e79c06d2e70b050f01b7ac58be5127ba87904b0) ) ROM_LOAD( "9snd.1i", 0xc000, 0x2000, CRC(3dab977f) SHA1(3e79c06d2e70b050f01b7ac58be5127ba87904b0) )
ROM_REGION( 0x10000, "audio2", 0 ) /* 64k for second 6802 */ ROM_REGION( 0x10000, "audio2", 0 ) /* 64k for second 6802 */
ROM_LOAD( "8snd.1h", 0x2000, 0x1000, CRC(f4507111) SHA1(0513f0831b94aeda84aa4f3b4a7c60dfc5113b2d) ) ROM_LOAD( "8snd.1h", 0x2000, 0x1000, CRC(f4507111) SHA1(0513f0831b94aeda84aa4f3b4a7c60dfc5113b2d) )