ref: 6f41d1d24f4fccba4aa77be15c60a0b173b2dfe6
parent: 997d2ee86ef77422ce7ddd08859bd5a4aef66145
author: Simon Howard <fraggle@gmail.com>
date: Mon Mar 9 19:59:43 EDT 2009
Make global variables static. Replace uint with uint32_t. Subversion-branch: /branches/opl-branch Subversion-revision: 1454
--- a/opl/fmopl.c
+++ b/opl/fmopl.c
@@ -61,16 +61,16 @@
/* output level entries (envelope,sinwave) */
/* envelope counter lower bits */
-int ENV_BITS;
+static int ENV_BITS;
/* envelope output entries */
-int EG_ENT;
+static int EG_ENT;
/* used dynamic memory = EG_ENT*4*4(byte)or EG_ENT*6*4(byte) */
/* used static memory = EG_ENT*4 (byte) */
-int EG_OFF; /* OFF */
-int EG_DED;
-int EG_DST; /* DECAY START */
-int EG_AED;
+static int EG_OFF; /* OFF */
+static int EG_DED;
+static int EG_DST; /* DECAY START */
+static int EG_AED;
#define EG_AST 0 /* ATTACK START */
#define EG_STEP (96.0/EG_ENT) /* OPL is 0.1875 dB step */
@@ -103,7 +103,7 @@
-1,-1,-1,-1,-1,-1,-1,-1
};
-static uint KSL_TABLE[8 * 16];
+static uint32_t KSL_TABLE[8 * 16];
static const double KSL_TABLE_SEED[8 * 16] = {/* OCT 0 */
@@ -153,7 +153,7 @@
static int SL_TABLE[16];
-static const uint SL_TABLE_SEED[16] = {+static const uint32_t SL_TABLE_SEED[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 31
};
@@ -179,7 +179,7 @@
/* multiple table */
#define ML(a) (int)(a * 2)
-static const uint MUL_TABLE[16]= {+static const uint32_t MUL_TABLE[16]= {/* 1/2, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15 */
ML(0.50), ML(1.00), ML(2.00), ML(3.00), ML(4.00), ML(5.00), ML(6.00), ML(7.00),
ML(8.00), ML(9.00), ML(10.00), ML(10.00),ML(12.00),ML(12.00),ML(15.00),ML(15.00)
@@ -215,7 +215,7 @@
/* --------------------- rebuild tables ------------------- */
#define ARRAYSIZE(x) (sizeof(x) / sizeof(*x))
-#define SC_KSL(mydb) ((uint) (mydb / (EG_STEP / 2)))
+#define SC_KSL(mydb) ((uint32_t) (mydb / (EG_STEP / 2)))
#define SC_SL(db) (int)(db * ((3 / EG_STEP) * (1 << ENV_BITS))) + EG_DST
void OPLBuildTables(int ENV_BITS_PARAM, int EG_ENT_PARAM) {@@ -332,7 +332,7 @@
/* ---------- calcrate Envelope Generator & Phase Generator ---------- */
/* return : envelope output */
-static inline uint OPL_CALC_SLOT(OPL_SLOT *SLOT) {+static inline uint32_t OPL_CALC_SLOT(OPL_SLOT *SLOT) {/* calcrate envelope generator */
if((SLOT->evc += SLOT->evs) >= SLOT->eve) { switch( SLOT->evm ) {@@ -455,7 +455,7 @@
#define OP_OUT(slot,env,con) slot->wavetable[((slot->Cnt + con)>>(24-SIN_ENT_SHIFT)) & (SIN_ENT-1)][env]
/* ---------- calcrate one of channel ---------- */
static inline void OPL_CALC_CH(OPL_CH *CH) {- uint env_out;
+ uint32_t env_out;
OPL_SLOT *SLOT;
feedback2 = 0;
@@ -462,7 +462,7 @@
/* SLOT 1 */
SLOT = &CH->SLOT[SLOT1];
env_out=OPL_CALC_SLOT(SLOT);
- if(env_out < (uint)(EG_ENT - 1)) {+ if(env_out < (uint32_t)(EG_ENT - 1)) {/* PG */
if(SLOT->vib)
SLOT->Cnt += (SLOT->Incr * vib) >> VIB_RATE_SHIFT;
@@ -483,7 +483,7 @@
/* SLOT 2 */
SLOT = &CH->SLOT[SLOT2];
env_out=OPL_CALC_SLOT(SLOT);
- if(env_out < (uint)(EG_ENT - 1)) {+ if(env_out < (uint32_t)(EG_ENT - 1)) {/* PG */
if(SLOT->vib)
SLOT->Cnt += (SLOT->Incr * vib) >> VIB_RATE_SHIFT;
@@ -497,7 +497,7 @@
/* ---------- calcrate rythm block ---------- */
#define WHITE_NOISE_db 6.0
static inline void OPL_CALC_RH(FM_OPL *OPL, OPL_CH *CH) {- uint env_tam, env_sd, env_top, env_hh;
+ uint32_t env_tam, env_sd, env_top, env_hh;
// This code used to do int(OPL->rnd.getRandomBit() * (WHITE_NOISE_db / EG_STEP)),
// but EG_STEP = 96.0/EG_ENT, and WHITE_NOISE_db=6.0. So, that's equivalent to
// int(OPL->rnd.getRandomBit() * EG_ENT/16). We know that EG_ENT is 4096, or 1024,
@@ -577,16 +577,16 @@
tone8 = OP_OUT(SLOT8_2,whitenoise,0 );
/* SD */
- if(env_sd < (uint)(EG_ENT - 1))
+ if(env_sd < (uint32_t)(EG_ENT - 1))
outd[0] += OP_OUT(SLOT7_1, env_sd, 0) * 8;
/* TAM */
- if(env_tam < (uint)(EG_ENT - 1))
+ if(env_tam < (uint32_t)(EG_ENT - 1))
outd[0] += OP_OUT(SLOT8_1, env_tam, 0) * 2;
/* TOP-CY */
- if(env_top < (uint)(EG_ENT - 1))
+ if(env_top < (uint32_t)(EG_ENT - 1))
outd[0] += OP_OUT(SLOT7_2, env_top, tone8) * 2;
/* HH */
- if(env_hh < (uint)(EG_ENT-1))
+ if(env_hh < (uint32_t)(EG_ENT-1))
outd[0] += OP_OUT(SLOT7_2, env_hh, tone8) * 2;
}
@@ -737,7 +737,7 @@
init_timetables(OPL, OPL_ARRATE, OPL_DRRATE);
/* make fnumber -> increment counter table */
for( fn=0; fn < 1024; fn++) {- OPL->FN_TABLE[fn] = (uint)(OPL->freqbase * fn * FREQ_RATE * (1<<7) / 2);
+ OPL->FN_TABLE[fn] = (uint32_t)(OPL->freqbase * fn * FREQ_RATE * (1<<7) / 2);
}
/* LFO freq.table */
OPL->amsIncr = (int)(OPL->rate ? (double)AMS_ENT * (1 << AMS_SHIFT) / OPL->rate * 3.7 * ((double)OPL->clock/3600000) : 0);
@@ -748,7 +748,7 @@
void OPLWriteReg(FM_OPL *OPL, int r, int v) {OPL_CH *CH;
int slot;
- uint block_fnum;
+ uint32_t block_fnum;
switch(r & 0xe0) {case 0x00: /* 00-1f:controll */
@@ -969,8 +969,8 @@
int i;
int data;
int16_t *buf = buffer;
- uint amsCnt = OPL->amsCnt;
- uint vibCnt = OPL->vibCnt;
+ uint32_t amsCnt = OPL->amsCnt;
+ uint32_t vibCnt = OPL->vibCnt;
uint8_t rythm = OPL->rythm & 0x20;
OPL_CH *CH, *R_CH;