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Minor Cow Boys of Moo Mesa / Bucky O'Hare improvement - let's sync the sound cpu to the main one to ensure we're not missing commands. Let's also put the interleave at nBurnSoundLen (appears to not have any ill effects afaict)

This commit is contained in:
iq_132 2014-12-21 04:28:41 +00:00
parent 9d0e7d6082
commit bc0b911ef5
1 changed files with 19 additions and 7 deletions
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26
src/burn/drv/konami/d_moo.cpp
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@ -1,8 +1,6 @@
// FB Alpha Wild West C.O.W.-Boys of Moo Mesa / Bucky O'Hare driver module // FB Alpha Wild West C.O.W.-Boys of Moo Mesa / Bucky O'Hare driver module
// Based on MAME driver by // Based on MAME driver by
// music sounds bad in bucky?
#include "tiles_generic.h" #include "tiles_generic.h"
#include "m68000_intf.h" #include "m68000_intf.h"
#include "z80_intf.h" #include "z80_intf.h"
@ -263,6 +261,14 @@ static void moo_prot_write(INT32 offset)
} }
} }
static inline void sync_sound()
{
INT32 cycles = (SekTotalCycles() / 2) - ZetTotalCycles();
if (cycles > 0) {
ZetRun(cycles);
}
}
static void __fastcall moo_main_write_word(UINT32 address, UINT16 data) static void __fastcall moo_main_write_word(UINT32 address, UINT16 data)
{ {
if ((address & 0xffc000) == 0x1a0000) { if ((address & 0xffc000) == 0x1a0000) {
@ -345,11 +351,13 @@ static void __fastcall moo_main_write_byte(UINT32 address, UINT8 data)
case 0x0d600c: case 0x0d600c:
case 0x0d600d: case 0x0d600d:
sync_sound();
*soundlatch = data; *soundlatch = data;
return; return;
case 0x0d600e: case 0x0d600e:
case 0x0d600f: case 0x0d600f:
sync_sound();
*soundlatch2 = data; *soundlatch2 = data;
return; return;
@ -379,6 +387,7 @@ static UINT16 __fastcall moo_main_read_word(UINT32 address)
switch (address) switch (address)
{ {
case 0x0c4000: case 0x0c4000:
sync_sound();
return K053246Read(1) + (K053246Read(0) << 8); return K053246Read(1) + (K053246Read(0) << 8);
case 0x0da000: case 0x0da000:
@ -416,6 +425,7 @@ static UINT8 __fastcall moo_main_read_byte(UINT32 address)
{ {
case 0x0c4000: case 0x0c4000:
case 0x0c4001: case 0x0c4001:
sync_sound();
return K053246Read(address & 1); return K053246Read(address & 1);
case 0x0da000: case 0x0da000:
@ -546,11 +556,13 @@ static void __fastcall bucky_main_write_byte(UINT32 address, UINT8 data)
case 0x0d600c: case 0x0d600c:
case 0x0d600d: case 0x0d600d:
sync_sound();
*soundlatch = data; *soundlatch = data;
return; return;
case 0x0d600e: case 0x0d600e:
case 0x0d600f: case 0x0d600f:
sync_sound();
*soundlatch2 = data; *soundlatch2 = data;
return; return;
@ -584,6 +596,7 @@ static UINT16 __fastcall bucky_main_read_word(UINT32 address)
switch (address) switch (address)
{ {
case 0x0c4000: case 0x0c4000:
sync_sound();
return K053246Read(1) + (K053246Read(0) << 8); return K053246Read(1) + (K053246Read(0) << 8);
case 0x0da000: case 0x0da000:
@ -625,6 +638,7 @@ static UINT8 __fastcall bucky_main_read_byte(UINT32 address)
{ {
case 0x0c4000: case 0x0c4000:
case 0x0c4001: case 0x0c4001:
sync_sound();
return K053246Read(address & 1); return K053246Read(address & 1);
case 0x0da000: case 0x0da000:
@ -1105,7 +1119,7 @@ static INT32 DrvFrame()
SekNewFrame(); SekNewFrame();
ZetNewFrame(); ZetNewFrame();
INT32 nInterleave = 120; INT32 nInterleave = ((pBurnSoundOut == NULL) ? 120 : nBurnSoundLen);
INT32 nSoundBufferPos = 0; INT32 nSoundBufferPos = 0;
INT32 nCyclesTotal[2] = { 16000000 / 60, 8000000 / 60 }; INT32 nCyclesTotal[2] = { 16000000 / 60, 8000000 / 60 };
INT32 nCyclesDone[2] = { 0, 0 }; INT32 nCyclesDone[2] = { 0, 0 };
@ -1142,10 +1156,8 @@ static INT32 DrvFrame()
} }
} }
nNext = (i + 1) * nCyclesTotal[1] / nInterleave; nCyclesSegment = (SekTotalCycles() / 2) - ZetTotalCycles();
nCyclesSegment = nNext - nCyclesDone[1]; if (nCyclesSegment > 0) nCyclesDone[1] += ZetRun(nCyclesSegment); // sync sound cpu to main cpu
nCyclesSegment = ZetRun(nCyclesSegment);
nCyclesDone[1] += nCyclesSegment;
if (pBurnSoundOut) { if (pBurnSoundOut) {
INT32 nSegmentLength = nBurnSoundLen / nInterleave; INT32 nSegmentLength = nBurnSoundLen / nInterleave;