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author Couriersud <couriersud@users.noreply.github.com>2008-01-05 23:14:26 +0000
committer Couriersud <couriersud@users.noreply.github.com>2008-01-05 23:14:26 +0000
commit33eeead1da2f6c80967a6c607c12f9964e4988b4 (patch)
treed7bc9c3dc798388194265577f7632733b04b4e4d
parent26f4b001c52d54d6607b56c1fd193735b0227e04 (diff)
ad2083:
* completed tms5110A code * working speech synthesis * documented analysis done on pcb pictures and findings * as a consequence, marked all sound roms as BAD DUMP * created sound driver in scramble.c
-rw-r--r--src/mame/audio/scramble.c209
-rw-r--r--src/mame/drivers/scramble.c142
-rw-r--r--src/mame/includes/galaxian.h1
3 files changed, 218 insertions, 134 deletions
diff --git a/src/mame/audio/scramble.c b/src/mame/audio/scramble.c
index 3a7632a1393..ae3667d25e6 100644
--- a/src/mame/audio/scramble.c
+++ b/src/mame/audio/scramble.c
@@ -11,13 +11,16 @@
***************************************************************************/
-
#include "driver.h"
#include "cpu/z80/z80.h"
#include "machine/7474.h"
#include "sound/flt_rc.h"
+#include "sound/5110intf.h"
+#include "sound/tms5110.h"
+#include "sound/ay8910.h"
#include "includes/galaxian.h"
+#define AD2083_TMS5110_CLOCK XTAL_640kHz
/* The timer clock in Scramble which feeds the upper 4 bits of */
/* AY-3-8910 port A is based on the same clock */
@@ -252,3 +255,207 @@ void sfx_sh_init(void)
}
+/***************************************************************************
+ AD2083 TMS5110 implementation (still wrong!)
+
+ ROMA: BIT1: Hypersoni ?
+ ROMA: BIT2: Two thousand eighty three
+ ROMA: BIT4: Atomic City Attack
+ ROMA: BIT5: Thank you, please try again
+ ROMA: BIT6: Two, one, fire
+ ROMA: BIT7: Hyperjump
+ ROMB: BIT1: Noise (Explosion ?)
+ ROMB: BIT2: Welcome to the top 20
+ ROMB: BIT4: Atomic City Attack
+ ROMB: BIT5: Noise (Explosion ?)
+ ROMB: BIT6: Keep going pressing
+ ROMB: BIT7: You are the new champion
+
+ The circuit consist of
+
+ 2x 2532 32Kbit roms
+ 2x 74LS393 quad 4bit counters to address roms
+ 1x 74LS174 hex-d-flipflops to latch control byte
+ 2x 74LS139 decoder to decode rom selects
+ 1x 74LS161 8bit input multiplexor to select sound bit from rom data
+ 1x 74LS00 quad nand to decode signals (unknown) to latch control byte
+ ==> 74LS139
+ 1x 74LS16 quad open collector inverters
+ 1x 74S288 32x8 Prom
+
+ The prom obviously is used to provide the right timing when
+ fetching data bits. This circuit should be comparable to bagman.
+
+ Prom
+ Q0 ==> NC
+ Q1 ==> PDC
+ Q2 ==> CTL2/CTL8 (Speak/Reset)
+ Q7 ==> Reset Counters (LS393)
+ Q8 ==> Trigger Logic
+
+ ***************************************************************************/
+
+/*
+ * Alt1 Alt2
+ * 1 ==> C B Bit select
+ * 2 ==> B C Bit select
+ * 3 ==> A A Bit select
+ * 4 ==> B1 Rom select
+ * 5 ==> A1 Rom select
+ *
+ * ALT1 ALT2
+ * 321 CBA CBA
+ * 000 000 000
+ * 001 100 010
+ * 010 010 100
+ * 011 110 110
+ * 100 001 001
+ * 101 101 011
+ * 110 011 101
+ * 111 111 111
+ *
+ * Alt1 provides more sensible sound. Both Alt1 and Alt2 are
+ * possible on PCB so Alt2 is left in for documentation.
+ *
+ */
+
+static UINT32 speech_rom_address;
+static UINT32 speech_rom_address_hi;
+static UINT8 speech_rom_bit;
+static UINT8 speech_cnt;
+
+static TIMER_CALLBACK( ad2083_step )
+{
+ /* only 16 bytes needed ... Stored here since
+ * prom is a bad dump
+ */
+ static const int prom[16] = {0x00, 0x00, 0x02, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x02, 0x00, 0x40, 0x00, 0x04, 0x06, 0x04, 0x84 };
+ UINT8 ctrl;
+
+ if (param == 0)
+ {
+ if (speech_cnt < 0x10)
+ {
+ /* Just reset and exit */
+ speech_cnt = 0;
+ return;
+ }
+ speech_cnt = 0;
+ }
+ ctrl = prom[speech_cnt++];
+
+ if (ctrl & 0x40)
+ speech_rom_address = 0;
+
+ tms5110_CTL_w(0, ctrl & 0x04 ? TMS5110_CMD_SPEAK : TMS5110_CMD_RESET);
+ tms5110_PDC_w(0, ctrl & 0x02 ? 0 : 1);
+
+ if (!(ctrl & 0x80))
+ timer_set(ATTOTIME_IN_HZ(AD2083_TMS5110_CLOCK / 2),NULL,1,ad2083_step);
+}
+
+static int ad2083_speech_rom_read_bit(void)
+{
+ UINT8 *ROM = memory_region(REGION_SOUND1);
+ int bit;
+
+ speech_rom_address %= 4096;
+
+ bit = (ROM[speech_rom_address | speech_rom_address_hi] >> speech_rom_bit) & 1;
+ speech_rom_address++;
+
+ return bit;
+}
+
+static WRITE8_HANDLER( ad2083_tms5110_ctrl_w )
+{
+ int tbl[8] = {0,4,2,6,1,5,3,7};
+
+ speech_rom_bit = tbl[data & 0x07];
+ switch (data>>3)
+ {
+ case 0x00:
+ logerror("Rom 0 select .. \n");
+ break;
+ case 0x01:
+ /* Rom 2 select */
+ speech_rom_address_hi = 0x1000;
+ break;
+ case 0x02:
+ logerror("Rom 1 select\n");
+ break;
+ case 0x03:
+ /* Rom 3 select */
+ speech_rom_address_hi = 0x0000;
+ break;
+ }
+ timer_set(attotime_zero,NULL,0,ad2083_step);
+}
+
+static const struct TMS5110interface ad2083_tms5110_interface =
+{
+ TMS5110_IS_5110A,
+ -1, /* rom_region */
+ ad2083_speech_rom_read_bit /* M0 callback function. Called whenever chip requests a single bit of data */
+};
+
+
+static const struct AY8910interface ad2083_ay8910_interface_1 =
+{
+ scramble_portB_r
+};
+
+static const struct AY8910interface ad2083_ay8910_interface_2 =
+{
+ hotshock_soundlatch_r
+};
+
+static ADDRESS_MAP_START( ad2083_sound_map, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x2fff) AM_ROM
+ AM_RANGE(0x8000, 0x83ff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( ad2083_sound_io_map, ADDRESS_SPACE_IO, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
+ AM_RANGE(0x01, 0x01) AM_WRITE(ad2083_tms5110_ctrl_w)
+ AM_RANGE(0x10, 0x10) AM_WRITE(AY8910_control_port_0_w)
+ AM_RANGE(0x20, 0x20) AM_READWRITE(AY8910_read_port_0_r, AY8910_write_port_0_w)
+ AM_RANGE(0x40, 0x40) AM_READWRITE(AY8910_read_port_1_r, AY8910_write_port_1_w)
+ AM_RANGE(0x80, 0x80) AM_WRITE(AY8910_control_port_1_w)
+ADDRESS_MAP_END
+
+static SOUND_START( ad2083 )
+{
+ speech_rom_address = 0;
+ speech_rom_address_hi = 0;
+ speech_rom_bit = 0;
+ speech_cnt = 0x10;
+
+ state_save_register_global(speech_rom_address);
+ state_save_register_global(speech_rom_address_hi);
+ state_save_register_global(speech_rom_bit);
+ state_save_register_global(speech_cnt);
+}
+
+MACHINE_DRIVER_START( ad2083_audio )
+
+ MDRV_CPU_ADD(Z80, 14318000/8) /* 1.78975 MHz */
+ MDRV_CPU_PROGRAM_MAP(ad2083_sound_map,0)
+ MDRV_CPU_IO_MAP(ad2083_sound_io_map,0)
+
+ MDRV_SOUND_START(ad2083)
+
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+ MDRV_SOUND_ADD(AY8910, 14318000/8)
+ MDRV_SOUND_CONFIG(ad2083_ay8910_interface_1)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)
+
+ MDRV_SOUND_ADD(AY8910, 14318000/8)
+ MDRV_SOUND_CONFIG(ad2083_ay8910_interface_2)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)
+
+ MDRV_SOUND_ADD(TMS5110, AD2083_TMS5110_CLOCK)
+ MDRV_SOUND_CONFIG(ad2083_tms5110_interface)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_DRIVER_END
diff --git a/src/mame/drivers/scramble.c b/src/mame/drivers/scramble.c
index 78a13ee58df..08570bef0c2 100644
--- a/src/mame/drivers/scramble.c
+++ b/src/mame/drivers/scramble.c
@@ -27,100 +27,9 @@ Notes:
#include "machine/8255ppi.h"
#include "sound/ay8910.h"
#include "sound/dac.h"
-#include "sound/5110intf.h"
-#include "sound/tms5110.h"
#include "galaxian.h"
-/***************************************************************************
- AD2083 TMS5110 implementation (still wrong!)
-***************************************************************************/
-
-static INT32 speech_rom_address = 0;
-static INT32 speech_rom_address_hi = 0;
-static INT32 speech_rom_bit = 0;
-
-static void start_talking (void)
-{
- tms5110_CTL_w(0,TMS5110_CMD_SPEAK);
- tms5110_PDC_w(0,0);
- tms5110_PDC_w(0,1);
- tms5110_PDC_w(0,0);
-}
-
-static void reset_talking (void)
-{
- tms5110_CTL_w(0,TMS5110_CMD_RESET);
- tms5110_PDC_w(0,0);
- tms5110_PDC_w(0,1);
- tms5110_PDC_w(0,0);
-
- tms5110_PDC_w(0,0);
- tms5110_PDC_w(0,1);
- tms5110_PDC_w(0,0);
-
- tms5110_PDC_w(0,0);
- tms5110_PDC_w(0,1);
- tms5110_PDC_w(0,0);
-
- speech_rom_address = 0;
- speech_rom_address_hi = 0;
- speech_rom_bit = 0;
-}
-
-static int ad2083_speech_rom_read_bit(void)
-{
- UINT8 *ROM = memory_region(REGION_SOUND1);
- int bit;
-
- speech_rom_address %= memory_region_length(REGION_SOUND1);
-
- bit = (ROM[speech_rom_address] >> speech_rom_bit) & 1;
-// bit = (ROM[speech_rom_address] >> (speech_rom_bit ^ 7)) & 1;
-
- speech_rom_bit++;
- if(speech_rom_bit == 8)
- {
- speech_rom_address++;
- speech_rom_bit = 0;
- }
-
- return bit;
-}
-
-
-static WRITE8_HANDLER( ad2083_soundlatch_w )
-{
- soundlatch_w(0,data);
-
- if(data & 0x80)
- {
- reset_talking();
- }
- else if(data & 0x30)
- {
- start_talking();
-
- if((data & 0x30) == 0x30)
- speech_rom_address_hi = 0x1000;
- else
- speech_rom_address_hi = 0;
-
- }
-}
-
-static WRITE8_HANDLER( ad2083_tms5110_ctrl_w )
-{
- speech_rom_address = speech_rom_address_hi | (data * 0x40);
-}
-
-static MACHINE_START( ad2083 )
-{
- state_save_register_global(speech_rom_address);
- state_save_register_global(speech_rom_address_hi);
- state_save_register_global(speech_rom_bit);
-}
-
//cpu #0 (PC=00003F6C): warning - op-code execute on mapped I/O
extern int monsterz_count;
static READ8_HANDLER( monsterz_prot_r )
@@ -643,7 +552,7 @@ static ADDRESS_MAP_START( ad2083_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x6805, 0x6805) AM_WRITE(galaxian_coin_counter_1_w)
AM_RANGE(0x6806, 0x6806) AM_WRITE(scramble_background_red_w)
AM_RANGE(0x6807, 0x6807) AM_WRITE(scramble_background_green_w)
- AM_RANGE(0x8000, 0x8000) AM_WRITE(ad2083_soundlatch_w)
+ AM_RANGE(0x8000, 0x8000) AM_WRITE(soundlatch_w)
AM_RANGE(0x9000, 0x9000) AM_WRITE(hotshock_sh_irqtrigger_w)
AM_RANGE(0x7000, 0x7000) AM_READ(watchdog_reset_r)
AM_RANGE(0x8000, 0x8000) AM_READ(input_port_0_r)
@@ -654,20 +563,6 @@ static ADDRESS_MAP_START( ad2083_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0xe800, 0xebff) AM_RAM
ADDRESS_MAP_END
-static ADDRESS_MAP_START( ad2083_sound_map, ADDRESS_SPACE_PROGRAM, 8 )
- AM_RANGE(0x0000, 0x2fff) AM_ROM
- AM_RANGE(0x8000, 0x83ff) AM_RAM
-ADDRESS_MAP_END
-
-static ADDRESS_MAP_START( ad2083_sound_io_map, ADDRESS_SPACE_IO, 8 )
- ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
- AM_RANGE(0x01, 0x01) AM_WRITE(ad2083_tms5110_ctrl_w)
- AM_RANGE(0x10, 0x10) AM_WRITE(AY8910_control_port_0_w)
- AM_RANGE(0x20, 0x20) AM_READWRITE(AY8910_read_port_0_r, AY8910_write_port_0_w)
- AM_RANGE(0x40, 0x40) AM_READWRITE(AY8910_read_port_1_r, AY8910_write_port_1_w)
- AM_RANGE(0x80, 0x80) AM_WRITE(AY8910_control_port_1_w)
-ADDRESS_MAP_END
-
static ADDRESS_MAP_START( triplep_readport, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
AM_RANGE(0x01, 0x01) AM_READ(AY8910_read_port_0_r)
@@ -1973,12 +1868,6 @@ static const struct AY8910interface triplep_ay8910_interface =
0
};
-static const struct TMS5110interface tms5110_interface =
-{
- TMS5110_IS_5110A,
- -1, /* rom_region */
- ad2083_speech_rom_read_bit /* M0 callback function. Called whenever chip requests a single bit of data */
-};
static const gfx_layout scramble_charlayout =
{
@@ -2128,11 +2017,12 @@ static MACHINE_DRIVER_START( explorer )
MDRV_SOUND_MODIFY("8910.1")
MDRV_SOUND_CONFIG(explorer_ay8910_interface_1)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)
-
+
MDRV_SOUND_MODIFY("8910.2")
MDRV_SOUND_CONFIG(explorer_ay8910_interface_2)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)
-MACHINE_DRIVER_END
+
+ MACHINE_DRIVER_END
static MACHINE_DRIVER_START( theend )
@@ -2514,11 +2404,6 @@ static MACHINE_DRIVER_START( ad2083 )
MDRV_CPU_ADD(Z80, 18432000/6) /* 3.072 MHz */
MDRV_CPU_PROGRAM_MAP(ad2083_map,0)
- MDRV_CPU_ADD(Z80, 14318000/8) /* 1.78975 MHz */
- MDRV_CPU_PROGRAM_MAP(ad2083_sound_map,0)
- MDRV_CPU_IO_MAP(ad2083_sound_io_map,0)
-
- MDRV_MACHINE_START(ad2083)
MDRV_MACHINE_RESET(galaxian)
MDRV_SCREEN_REFRESH_RATE(16000.0/132/2)
@@ -2537,18 +2422,9 @@ static MACHINE_DRIVER_START( ad2083 )
MDRV_VIDEO_UPDATE(galaxian)
/* sound hardware */
- MDRV_SPEAKER_STANDARD_MONO("mono")
- MDRV_SOUND_ADD(AY8910, 14318000/8)
- MDRV_SOUND_CONFIG(explorer_ay8910_interface_1)
- MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)
- MDRV_SOUND_ADD(AY8910, 14318000/8)
- MDRV_SOUND_CONFIG(explorer_ay8910_interface_2)
- MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)
-
- MDRV_SOUND_ADD(TMS5110, 640000)
- MDRV_SOUND_CONFIG(tms5110_interface)
- MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+ MDRV_IMPORT_FROM(ad2083_audio)
+
MACHINE_DRIVER_END
static MACHINE_DRIVER_START( turpins )
@@ -3370,14 +3246,14 @@ ROM_START( ad2083 )
ROM_LOAD( "ad5.3k", 0x2000, 0x2000, CRC(f53f3449) SHA1(0711f2e47504f256d46eea1e225e35f9bde8b9fb) )
ROM_REGION( 0x2000, REGION_SOUND1, 0 ) /* data for the TMS5110 speech chip */
- ROM_LOAD( "ad1v.9a", 0x0000, 0x1000, CRC(4cb93fff) SHA1(2cc686a9a58a85f2bb04fb6ced4626e9952635bb) )
- ROM_LOAD( "ad2v.10a", 0x1000, 0x1000, CRC(4b530ea7) SHA1(8793b3497b598f33b34bf9524e360c6c62e8001d) )
+ ROM_LOAD( "ad1v.9a", 0x0000, 0x1000, BAD_DUMP CRC(4cb93fff) SHA1(2cc686a9a58a85f2bb04fb6ced4626e9952635bb) )
+ ROM_LOAD( "ad2v.10a", 0x1000, 0x1000, BAD_DUMP CRC(4b530ea7) SHA1(8793b3497b598f33b34bf9524e360c6c62e8001d) )
ROM_REGION( 0x0020, REGION_PROMS, 0 )
ROM_LOAD( "prom-am27s19dc.1m", 0x0000, 0x0020, CRC(2759aebd) SHA1(644fd2c95ca49cbbc0ee1b88ca2563451ddd4fe0) )
ROM_REGION( 0x0020, REGION_USER1, 0 ) /* sample related? near TMS5110 and sample roms */
- ROM_LOAD( "prom-sn74s188.8a", 0x0000, 0x0020, CRC(5e395112) SHA1(427d6a5b5d0837db4bf804f392d77ba5a86ffd72) )
+ ROM_LOAD( "prom-sn74s188.8a", 0x0000, 0x0020, BAD_DUMP CRC(5e395112) SHA1(427d6a5b5d0837db4bf804f392d77ba5a86ffd72) )
ROM_END
diff --git a/src/mame/includes/galaxian.h b/src/mame/includes/galaxian.h
index 1f2f938f667..3557d187c95 100644
--- a/src/mame/includes/galaxian.h
+++ b/src/mame/includes/galaxian.h
@@ -235,4 +235,5 @@ WRITE8_HANDLER( mrkougar_sh_irqtrigger_w );
WRITE8_HANDLER( froggrmc_sh_irqtrigger_w );
WRITE8_HANDLER( hotshock_sh_irqtrigger_w );
+MACHINE_DRIVER_EXTERN( ad2083_audio );