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click noise fixed when 940 was used

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@498 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-06-26 20:04:33 +00:00
parent 45a1ef7153
commit 52250671ae
2 changed files with 3 additions and 7 deletions
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2
Pico/Memory.c
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@ -839,7 +839,7 @@ int ym2612_write_local(u32 a, u32 d, int is_from_z80)
if ((d ^ old_mode) & 0xc0) { if ((d ^ old_mode) & 0xc0) {
#ifdef __GP2X__ #ifdef __GP2X__
if (PicoOpt & POPT_EXT_FM) YM2612Write_940(a, d, get_scanline(is_from_z80)); if (PicoOpt & POPT_EXT_FM) return YM2612Write_940(a, d, get_scanline(is_from_z80));
#endif #endif
return 1; return 1;
} }

8
platform/gp2x/940ctl.c
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@ -82,10 +82,6 @@ int YM2612Write_940(unsigned int a, unsigned int v, int scanline)
upd = 0; upd = 0;
break; break;
case 1: /* data port 0 */
if (ST_address == 0x2b) upd = 0; /* DAC sel */
break;
case 2: /* address port 1 */ case 2: /* address port 1 */
if (addr_A1 == 1 && ST_address == v) if (addr_A1 == 1 && ST_address == v)
return 0; return 0;
@ -403,8 +399,8 @@ int YM2612UpdateOne_940(int *buffer, int length, int stereo, int is_buf_empty)
/* predict sample counter for next frame */ /* predict sample counter for next frame */
if (PsndLen_exc_add) { if (PsndLen_exc_add) {
if (PsndLen_exc_cnt + PsndLen_exc_add >= 0x10000) length = PsndLen + 1; length = PsndLen;
else length = PsndLen; if (PsndLen_exc_cnt + PsndLen_exc_add >= 0x10000) length++;
} }
/* give 940 ym job */ /* give 940 ym job */