add wip sp0256 speech processor

makefile.burn_rules

@@ -97,7 +97,7 @@ depobj	= 	burn.o burn_gun.o burn_led.o burn_shift.o burn_memory.o burn_pal.o bur
 			burn_ym3526.o burn_ym3812.o burn_ymf278b.o c6280.o dac.o es5506.o es8712.o flower.o flt_rc.o fm.o fmopl.o ym2612.o gaelco.o ics2115.o iremga20.o \
 			k005289.o k007232.o k051649.o k053260.o k054539.o msm5205.o msm5232.o msm6295.o namco_snd.o c140.o nes_apu.o tms5220.o tms36xx.o phoenixsound.o \
 			pleiadssound.o pokey.o rf5c68.o saa1099.o samples.o segapcm.o sn76477.o sn76496.o upd7759.o vlm5030.o wiping.o x1010.o ym2151.o ym2413.o \
-			ymdeltat.o ymf278b.o ymz280b.o snk6502_sound.o \
+			ymdeltat.o ymf278b.o ymz280b.o snk6502_sound.o sp0256.o \
 			\
 			arm7_intf.o arm_intf.o h6280_intf.o hd6309_intf.o konami_intf.o m6502_intf.o m6800_intf.o m6805_intf.o m6809_intf.o \
 			m68000_intf.o nec_intf.o pic16c5x_intf.o s2650_intf.o tlcs90_intf.o z80_intf.o z180_intf.o  \

src/burn/snd/sp0256.h

@@ -0,0 +1,62 @@
+/**********************************************************************
+
+    SP0256 Narrator Speech Processor emulation
+
+    Copyright MESS Team.
+    Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************
+                            _____   _____
+                   Vss   1 |*    \_/     | 28  OSC 2
+                _RESET   2 |             | 27  OSC 1
+           ROM DISABLE   3 |             | 26  ROM CLOCK
+                    C1   4 |             | 25  _SBY RESET
+                    C2   5 |             | 24  DIGITAL OUT
+                    C3   6 |             | 23  Vdi
+                   Vdd   7 |    SP0256   | 22  TEST
+                   SBY   8 |             | 21  SER IN
+                  _LRQ   9 |             | 20  _ALD
+                    A8  10 |             | 19  SE
+                    A7  11 |             | 18  A1
+               SER OUT  12 |             | 17  A2
+                    A6  13 |             | 16  A3
+                    A5  14 |_____________| 15  A4
+
+**********************************************************************/
+
+/*
+   GI SP0256 Narrator Speech Processor
+
+   By Joe Zbiciak. Ported to MESS by tim lindner.
+
+ Copyright Joseph Zbiciak, all rights reserved.
+ Copyright tim lindner, all rights reserved.
+
+ - This source code is released as freeware for non-commercial purposes.
+ - You are free to use and redistribute this code in modified or
+   unmodified form, provided you list us in the credits.
+ - If you modify this source code, you must add a notice to each
+   modified source file that it has been changed.  If you're a nice
+   person, you will clearly mark each change too.  :)
+ - If you wish to use this for commercial purposes, please contact us at
+   intvnut@gmail.com (Joe Zbiciak), tlindner@macmess.org (tim lindner)
+ - This entire notice must remain in the source code.
+
+*/
+
+void sp0256_reset();
+void sp0256_init(UINT8 *rom, INT32 clock);
+void sp0256_set_drq_cb(void (*cb)(UINT8));
+void sp0256_set_sby_cb(void (*cb)(UINT8));
+void sp0256_set_clock(INT32 clock);
+void sp0256_exit();
+void sp0256_scan(INT32 nAction, INT32* pnMin);
+
+void sp0256_ald_write(UINT8 data);
+UINT8 sp0256_lrq_read();
+UINT8 sp0256_sby_read();
+UINT16 sp0256_spb640_read();
+void sp0256_spb640_write(UINT16 offset, UINT16 data);
+void sp0256_set_clock(INT32 clock);
+
+void sp0256_update(INT16 *sndbuff, INT32 samples);