From db49317be10622fc8d2e766831483c7db2e17e0e Mon Sep 17 00:00:00 2001 From: notaz Date: Sun, 22 Jun 2008 22:34:14 +0000 Subject: [PATCH] proper ym2612 save hopefully done git-svn-id: file:///home/notaz/opt/svn/PicoDrive@491 be3aeb3a-fb24-0410-a615-afba39da0efa --- Pico/Memory.c | 21 +++++- Pico/sound/ym2612.c | 158 +++++++++++++++++++++++++++++++++++++++++--- Pico/sound/ym2612.h | 8 +-- 3 files changed, 171 insertions(+), 16 deletions(-) diff --git a/Pico/Memory.c b/Pico/Memory.c index fe87ab9..06806cb 100644 --- a/Pico/Memory.c +++ b/Pico/Memory.c @@ -937,11 +937,23 @@ void ym2612_unpack_state(void) YM2612PicoStateLoad(); // feed all the registers and update internal state - for (i = 0x20; i < 0xB8; i++) { + for (i = 0x20; i < 0xA0; i++) { ym2612_write_local(0, i, 0); ym2612_write_local(1, ym2612.REGS[i], 0); } - for (i = 0x30; i < 0xB8; i++) { + for (i = 0x30; i < 0xA0; i++) { + ym2612_write_local(2, i, 0); + ym2612_write_local(3, ym2612.REGS[i|0x100], 0); + } + for (i = 0xAF; i >= 0xA0; i--) { // must apply backwards + ym2612_write_local(2, i, 0); + ym2612_write_local(3, ym2612.REGS[i|0x100], 0); + ym2612_write_local(0, i, 0); + ym2612_write_local(1, ym2612.REGS[i], 0); + } + for (i = 0xB0; i < 0xB8; i++) { + ym2612_write_local(0, i, 0); + ym2612_write_local(1, ym2612.REGS[i], 0); ym2612_write_local(2, i, 0); ym2612_write_local(3, ym2612.REGS[i|0x100], 0); } @@ -952,7 +964,10 @@ void ym2612_unpack_state(void) else #endif ret = YM2612PicoStateLoad2(&tat, &tbt); - if (ret != 0) return; // no saved timers + if (ret != 0) { + elprintf(EL_STATUS, "old ym2612 state"); + return; // no saved timers + } tac = (1024 - ym2612.OPN.ST.TA) << 16; tbc = (256 - ym2612.OPN.ST.TB) << 16; diff --git a/Pico/sound/ym2612.c b/Pico/sound/ym2612.c index 625864c..294d621 100644 --- a/Pico/sound/ym2612.c +++ b/Pico/sound/ym2612.c @@ -889,7 +889,7 @@ static void chan_render_loop(chan_rend_context *ct, int *buffer, int length) { int out = 0; - if (ct->pack&0xf000) out = ((ct->op1_out>>16) + (ct->op1_out<<16>>16)) << ((ct->pack&0xf000)>>12); /* op1_out0 + op1_out1 */ + if (ct->pack&0xf000) out = ((ct->op1_out>>16) + ((ct->op1_out<<16)>>16)) << ((ct->pack&0xf000)>>12); /* op1_out0 + op1_out1 */ ct->op1_out <<= 16; ct->op1_out |= (unsigned short)op_calc1(ct->phase1, eg_out, out); } else { @@ -1293,6 +1293,7 @@ static void reset_channels(FM_CH *CH) CH[c].SLOT[s].state= EG_OFF; CH[c].SLOT[s].volume = MAX_ATT_INDEX; } + CH[c].mem_value = CH[c].op1_out = 0; } ym2612.slot_mask = 0; } @@ -1481,17 +1482,17 @@ static int OPNWriteReg(int r, int v) set_ar_ksr(CH,SLOT,v); break; - case 0x60: /* bit7 = AM ENABLE, DR */ + case 0x60: /* bit7 = AM ENABLE, DR | depends on ksr */ set_dr(SLOT,v); if(v&0x80) CH->AMmasks |= 1<AMmasks &= ~(1<>3; @@ -1530,7 +1531,7 @@ static int OPNWriteReg(int r, int v) ym2612.OPN.SL3.kcode[c]= (blk<<2) | opn_fktable[fn >> 7]; /* phase increment counter */ ym2612.OPN.SL3.fc[c] = fn_table[fn*2]>>(7-blk); - ym2612.OPN.SL3.block_fnum[c] = fn; + ym2612.OPN.SL3.block_fnum[c] = (blk<<11) | fn; ym2612.CH[2].SLOT[SLOT1].Incr=-1; } break; @@ -1872,6 +1873,7 @@ void YM2612PicoStateLoad_(void) ym2612.slot_mask = 0xffffff; } +/* rather stupid design because I wanted to fit in unused register "space" */ typedef struct { UINT32 state_phase; @@ -1887,20 +1889,54 @@ typedef struct UINT8 unused; int TAT; int TBT; - UINT32 eg_cnt; + UINT32 eg_cnt; // 10 UINT32 eg_timer; UINT32 lfo_cnt; UINT16 lfo_ampm; - UINT16 unused2; + UINT8 fn_h; + UINT8 fn_h_sl3; + UINT32 keyon_field; // 20 + UINT32 kcode_fc_sl3_3; } ym_save_addon; +typedef struct +{ + UINT16 block_fnum[6]; + UINT16 block_fnum_sl3[3]; + UINT16 unused; +} ym_save_addon2; + + +//static YM2612 check_ym; + void YM2612PicoStateSave2(int tat, int tbt) { ym_save_addon_slot ss; + ym_save_addon2 sa2; ym_save_addon sa; unsigned char *ptr; int c, s; + refresh_fc_eg_chan( &ym2612.CH[0] ); + refresh_fc_eg_chan( &ym2612.CH[1] ); + if( (ym2612.OPN.ST.mode & 0xc0) ) + { + /* 3SLOT MODE */ + if( ym2612.CH[2].SLOT[SLOT1].Incr==-1) + { + refresh_fc_eg_slot(&ym2612.CH[2].SLOT[SLOT1], ym2612.OPN.SL3.fc[1], ym2612.OPN.SL3.kcode[1] ); + refresh_fc_eg_slot(&ym2612.CH[2].SLOT[SLOT2], ym2612.OPN.SL3.fc[2], ym2612.OPN.SL3.kcode[2] ); + refresh_fc_eg_slot(&ym2612.CH[2].SLOT[SLOT3], ym2612.OPN.SL3.fc[0], ym2612.OPN.SL3.kcode[0] ); + refresh_fc_eg_slot(&ym2612.CH[2].SLOT[SLOT4], ym2612.CH[2].fc , ym2612.CH[2].kcode ); + } + } else refresh_fc_eg_chan( &ym2612.CH[2] ); + refresh_fc_eg_chan( &ym2612.CH[3] ); + refresh_fc_eg_chan( &ym2612.CH[4] ); + refresh_fc_eg_chan( &ym2612.CH[5] ); + + memset(&sa, 0, sizeof(sa)); +//memcpy(&check_ym, &ym2612, sizeof(ym2612)); + // chans 1,2,3 ptr = &ym2612.REGS[0x0b8]; for (c = 0; c < 3; c++) @@ -1908,9 +1944,12 @@ void YM2612PicoStateSave2(int tat, int tbt) for (s = 0; s < 4; s++) { ss.state_phase = (ym2612.CH[c].SLOT[s].state << 29) | (ym2612.CH[c].SLOT[s].phase >> 3); ss.volume = ym2612.CH[c].SLOT[s].volume; + if (ym2612.CH[c].SLOT[s].key) + sa.keyon_field |= 1 << (c*4 + s); memcpy(ptr, &ss, 6); ptr += 6; } + sa2.block_fnum[c] = ym2612.CH[c].block_fnum; } // chans 4,5,6 ptr = &ym2612.REGS[0x1b8]; @@ -1919,10 +1958,20 @@ void YM2612PicoStateSave2(int tat, int tbt) for (s = 0; s < 4; s++) { ss.state_phase = (ym2612.CH[c].SLOT[s].state << 29) | (ym2612.CH[c].SLOT[s].phase >> 3); ss.volume = ym2612.CH[c].SLOT[s].volume; + if (ym2612.CH[c].SLOT[s].key) + sa.keyon_field |= 1 << (c*4 + s); memcpy(ptr, &ss, 6); ptr += 6; } + sa2.block_fnum[c] = ym2612.CH[c].block_fnum; } + for (c = 0; c < 3; c++) + { + sa2.block_fnum_sl3[c] = ym2612.OPN.SL3.block_fnum[c]; + } + + memcpy(&ym2612.REGS[0], &sa2, sizeof(sa2)); // 0x20 max + // other things ptr = &ym2612.REGS[0x100]; sa.magic = 0x41534d59; // 'YMSA' @@ -1936,21 +1985,28 @@ void YM2612PicoStateSave2(int tat, int tbt) sa.eg_timer = ym2612.OPN.eg_timer; sa.lfo_cnt = ym2612.OPN.lfo_cnt; sa.lfo_ampm = g_lfo_ampm; - sa.unused2 = 0; + sa.fn_h = ym2612.REGS[0xa4] = ym2612.OPN.ST.fn_h; + sa.fn_h_sl3 = ym2612.REGS[0xac] = ym2612.OPN.SL3.fn_h; memcpy(ptr, &sa, sizeof(sa)); // 0x30 max } int YM2612PicoStateLoad2(int *tat, int *tbt) { ym_save_addon_slot ss; + ym_save_addon2 sa2; ym_save_addon sa; unsigned char *ptr; + UINT32 fn; + UINT8 blk; int c, s; ptr = &ym2612.REGS[0x100]; memcpy(&sa, ptr, sizeof(sa)); // 0x30 max if (sa.magic != 0x41534d59) return -1; + ptr = &ym2612.REGS[0]; + memcpy(&sa2, ptr, sizeof(sa2)); + ym2612.OPN.ST.address = sa.address; ym2612.OPN.ST.status = sa.status; ym2612.addr_A1 = sa.addr_A1; @@ -1970,8 +2026,17 @@ int YM2612PicoStateLoad2(int *tat, int *tbt) ym2612.CH[c].SLOT[s].state = ss.state_phase >> 29; ym2612.CH[c].SLOT[s].phase = ss.state_phase << 3; ym2612.CH[c].SLOT[s].volume = ss.volume; + ym2612.CH[c].SLOT[s].key = (sa.keyon_field & (1 << (c*4 + s))) ? 1 : 0; + ym2612.CH[c].SLOT[s].ksr = (UINT8)-1; +//ym2612.CH[c].SLOT[s].Incr = check_ym.CH[c].SLOT[s].Incr; ptr += 6; } + ym2612.CH[c].SLOT[SLOT1].Incr=-1; + ym2612.CH[c].block_fnum = sa2.block_fnum[c]; + fn = ym2612.CH[c].block_fnum & 0x7ff; + blk = ym2612.CH[c].block_fnum >> 11; + ym2612.CH[c].kcode= (blk<<2) | opn_fktable[fn >> 7]; + ym2612.CH[c].fc = fn_table[fn*2]>>(7-blk); } // chans 4,5,6 ptr = &ym2612.REGS[0x1b8]; @@ -1982,10 +2047,85 @@ int YM2612PicoStateLoad2(int *tat, int *tbt) ym2612.CH[c].SLOT[s].state = ss.state_phase >> 29; ym2612.CH[c].SLOT[s].phase = ss.state_phase << 3; ym2612.CH[c].SLOT[s].volume = ss.volume; + ym2612.CH[c].SLOT[s].key = (sa.keyon_field & (1 << (c*4 + s))) ? 1 : 0; + ym2612.CH[c].SLOT[s].ksr = (UINT8)-1; +//ym2612.CH[c].SLOT[s].Incr = check_ym.CH[c].SLOT[s].Incr; ptr += 6; } + ym2612.CH[c].SLOT[SLOT1].Incr=-1; + ym2612.CH[c].block_fnum = sa2.block_fnum[c]; + fn = ym2612.CH[c].block_fnum & 0x7ff; + blk = ym2612.CH[c].block_fnum >> 11; + ym2612.CH[c].kcode= (blk<<2) | opn_fktable[fn >> 7]; + ym2612.CH[c].fc = fn_table[fn*2]>>(7-blk); + } + for (c = 0; c < 3; c++) + { + ym2612.OPN.SL3.block_fnum[c] = sa2.block_fnum_sl3[c]; + fn = ym2612.OPN.SL3.block_fnum[c] & 0x7ff; + blk = ym2612.OPN.SL3.block_fnum[c] >> 11; + ym2612.OPN.SL3.kcode[c]= (blk<<2) | opn_fktable[fn >> 7]; + ym2612.OPN.SL3.fc[c] = fn_table[fn*2]>>(7-blk); } +#if 0 + refresh_fc_eg_chan( &ym2612.CH[0] ); + refresh_fc_eg_chan( &ym2612.CH[1] ); + if( (ym2612.OPN.ST.mode & 0xc0) ) + { + /* 3SLOT MODE */ + if( ym2612.CH[2].SLOT[SLOT1].Incr==-1) + { + refresh_fc_eg_slot(&ym2612.CH[2].SLOT[SLOT1], ym2612.OPN.SL3.fc[1], ym2612.OPN.SL3.kcode[1] ); + refresh_fc_eg_slot(&ym2612.CH[2].SLOT[SLOT2], ym2612.OPN.SL3.fc[2], ym2612.OPN.SL3.kcode[2] ); + refresh_fc_eg_slot(&ym2612.CH[2].SLOT[SLOT3], ym2612.OPN.SL3.fc[0], ym2612.OPN.SL3.kcode[0] ); + refresh_fc_eg_slot(&ym2612.CH[2].SLOT[SLOT4], ym2612.CH[2].fc , ym2612.CH[2].kcode ); + } + } else refresh_fc_eg_chan( &ym2612.CH[2] ); + refresh_fc_eg_chan( &ym2612.CH[3] ); + refresh_fc_eg_chan( &ym2612.CH[4] ); + refresh_fc_eg_chan( &ym2612.CH[5] ); + + for (c = 0; c < 6; c++) + { + for (s = 0; s < 4; s++) + { + int i; + unsigned char *chk = ((unsigned char *) &check_ym.CH[c].SLOT[s]); + unsigned char *res = ((unsigned char *) &ym2612.CH[c].SLOT[s]); + + for (i = 0; i < sizeof(check_ym.CH[0].SLOT[0]); i++) + { + if (i != 0x0c && chk[i] != res[i]) + printf("ch[%i].slot[%i].%03x: %02x vs %02x\n", c, s, i, chk[i], res[i]); + } + } + + { + int i; + unsigned char *chk = ((unsigned char *) &check_ym.CH[c].ALGO); + unsigned char *res = ((unsigned char *) &ym2612.CH[c].ALGO); + + for (i = 0; i < 8*4; i++) + { + if ((i < 4 || i > 0x0b) && chk[i] != res[i]) + printf("ch[%i].%03x: %02x vs %02x\n", c, i, chk[i], res[i]); + } + } + } + + for (c = 0; c < sizeof(ym2612.OPN); c++) + { + unsigned char *chk = ((unsigned char *) &check_ym.OPN); + unsigned char *res = ((unsigned char *) &ym2612.OPN); + + if (chk[c] != res[c]) + { + printf("OPN: %03x: %02x vs %02x\n", c, chk[c], res[c]); + } + } +#endif + return 0; } diff --git a/Pico/sound/ym2612.h b/Pico/sound/ym2612.h index 07f4198..ed4910c 100644 --- a/Pico/sound/ym2612.h +++ b/Pico/sound/ym2612.h @@ -30,7 +30,7 @@ typedef struct /* Phase Generator */ UINT32 phase; /* #0x0c phase counter | need_save */ - UINT32 Incr; /* #0x10 phase step | need_save */ + UINT32 Incr; /* #0x10 phase step */ UINT8 KSR; /* #0x14 key scale rate :3-KSR */ UINT8 ksr; /* #0x15 key scale rate :kcode>>(3-KSR) */ @@ -54,16 +54,16 @@ typedef struct { FM_SLOT SLOT[4]; /* four SLOTs (operators) */ - UINT8 ALGO; /* algorithm */ + UINT8 ALGO; /* +00 algorithm */ UINT8 FB; /* feedback shift */ INT32 op1_out; /* op1 output for feedback */ - INT32 mem_value; /* delayed sample (MEM) value */ + INT32 mem_value; /* +08 delayed sample (MEM) value */ INT32 pms; /* channel PMS */ UINT8 ams; /* channel AMS */ - UINT8 kcode; /* key code: */ + UINT8 kcode; /* +11 key code: */ UINT32 fc; /* fnum,blk:adjusted to sample rate */ UINT32 block_fnum; /* current blk/fnum value for this slot (can be different betweeen slots of one channel in 3slot mode) */ -- 2.39.2